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Stephen has an older monitor that he uses for presentations. Recently, Stephen has noticed that a certain spot on the monitor does not change when he shows his presentations. The spot does not display the colors and stays dark when the screen is white. What might be the problem with Stephen’s video issue?
Dead pixel
Video card overheating
Video drivers are out of date
Monitor’s inverter is failing
Dead pixel
David has a laptop that is having a problem with the video system. Initially you thought the problem might be the backlight, but in your research discovered it does not have a backlight. After additional troubleshooting you determine the laptop needs a new screen. What type of screen should you get for the laptop?
LED
OLED
CRT
Plasma
OLED
Patrick wants you to repair his laptop LCD screen. Patrick insists that it was not his fault, but sometime during the night, the laptop fell off his desk, and now the screen is broken. During disassembly of his laptop, you see a mini-PCIe card with a black cable and a white cable wire connected that appear to go into the screen bezel. What is the function of the two wires?
Wi-Fi antenna
Video cable
Sound cord for the sound port
Webcam connector
Wi-Fi antenna
Today when Dylan turned on his computer, he noticed that the monitor was very dim. He could still see the desktop icon and text. He turned the brightness all the way up, but that did not correct the issue. Dylan also checked to make sure the Power Options brightness was not turned down, causing the screen to go dim. He connected a different monitor, and the screen was fine. What caused the screen to be very dim?
Input connector on the monitor is faulty
Monitor’s power connector
Monitor backlighting
Monitor has Power Save mode enabled
Monitor backlighting
Ulysses has a laptop with a very dim monitor. He connects an external monitor, and it works just fine. How can Ulysses fix the problem?
Update the drivers
Replace the LCD screen
Replace the inverter board
Replace the onboard video card
Replace the inverter board
Jordan, a junior technician, ordered hardware for facial recognition capabilities on every computer at work. Before the hardware was delivered, he was removed from the project to help upgrade the operating system on every computer. After a few months, he was finally able to get back to the facial recognition project. He installs the webcam, the adapter card, and the drivers that were included in the optical media. Issues are evident so he checks the Device Manager and does not see any issues. When Jordan asks a senior technician for help, the senior technician asks him one question. What did the senior technician ask Jordan?
Did you update the BIOS/UFEI
Did you turn on the expansion port
Did you update the drivers
Did you update the hardware
Did you update the drivers
The video on your laptop needs to be updated. You have researched online, and according to the manufacturer, you can install a new video card in your laptop. What is the most likely slot connection you will use to install a new video card in your laptop?
USB
Mini-PCIe
ExpressCard slot
CardBus slot
Mini-PCIe
Genesis is learning about computers. She installs a digitizer along with the corresponding software, but the tablet is not recognized by the operating system. She calls you for help and you explain the difference, or similarities, between drivers and apps as it pertains to peripherals in general. What do you tell her?
Apps and drivers are essentially the same, but apps have bloatware that is not truly necessary
Apps control the hardware. Drivers allows users to interface with the features of the peripheral
Drivers control the hardware. Apps allows users to interface with the features of the peripheral
Apps and drivers coordinate the communication between the operating system and hardware
Drivers control the hardware. Apps allows users to interface with the features of the peripheral
Henry bought a new laptop. And even though it has a touchpad, he prefers to use a mouse. However, he notices that sometimes when he is typing, the cursor will move, causing him to mistype words or even delete sentences or entire paragraphs. What can Henry do to remedy this problem?
He can connect a touch screen monitor
Replace the mouse, it is defective
Disable the touchpad
Cover the touchpad with a sheet of paper
Disable the touchpad
Ron is using an older computer with only one RAM module to experiment with the installation of various Windows operating systems. After the first installation he checks the Device Manager and notices a yellow triangle next to the entry labeled SM Bus Controller. What should Ron do to fix this problem?
Reboot the computer after installing the OS
Flash the BIOS/UEFI with the latest version
Ensure the CPU and RAM are properly seated
Install the chipset drivers for the motherboard
Install the chipset drivers for the motherboard
Jose calls you at the help desk because he is having a problem logging on to his laptop computer. After several unsuccessful attempts to enter his password, he asks you to reset the password because he must have forgotten it. You reset his password, and he types it, but again the computer rejects it. Jose assures you that he typed the correct username and password. You ask him what type of computer he is using, and he tells you a laptop. What might be the problem with Jose's computer?
Keyboard is not working
OS is corrupt
Keyboard is in the wrong language
Num Lock key is on
Num Lock key is on
Under certain conditions, you may hear a whine from the power supply when you first power up the system. However, if you hear a whine coming from the video card, how can you fix it?
Ensure the 6-pin or 8-pin power cord is connected to the card
Upgrade the power supply to one that can deliver more power
Replace the video card; this is an indication of impending failure
Verify the video card is properly seated in the expansion slot
Ensure the 6-pin or 8-pin power cord is connected to the card
You just started a new job at a media production company. On the first day, Kumar drops off a new 27 inch monitor in your office and recommends you use the DisplayPort connector. Why would he make such a recommendation?
DisplayPort natively interfaces with the VGA connector offering a great deal of flexibility
DisplayPort uses an analog signal, so it is less susceptible to electro-magnetic interference
DisplayPort offers the highest data rate and is capable of delivering digital video and audio
DisplayPort offers the highest data rate and is capable of delivering digital video and audio
Bola is upgrading some peripherals devices connected to his computer. He buys a new webcam, gaming keyboard, and a card reader. What approach should he take when installing the peripherals?
Windows has generic drivers so connect all devices at once and then reboot
Install all the drivers first, connect the peripheral devices, then reboot the system
Install one peripheral at a time, reboot, and make sure it works before proceeding
Connect all peripheral devices first, install the drivers, and then restart the system
Install one peripheral at a time, reboot, and make sure it works before proceeding
Cathy is planning to purchase a new audio and video editing workstation to make computer training videos at work. In addition, she wants the ability to back up her large video files relatively quickly but not over the network to help preserve bandwidth. She does not exactly know or understand the type of devices she needs. What types of components would you recommend? (Select all that apply.)
High-end 3D video card
Two 4TB SATA 3 Drives
32 GB of DDR 4 RAM
High-end sound card
Blu-ray burner
eSATA storage device
Two 4TB SATA 3 Drives
32 GB of DDR 4 RAM
High-end sound card
Blu-ray burner
eSATA storage device
You are asked to install a new adapter card in 30 office computers at an existing branch location. Which of the following is NOT a necessary step in the process?
Backup important data that has not been backed up
Verify the adapter card to be installed is ESD-resistant
Verify the card fits into an empty expansion slot
Verify the devices drivers are available for the OS
Verify the adapter card to be installed is ESD-resistant
You install a new video adapter and update the drivers, but notice the icons have a distorted geometry. What could you do to fix the problem?
Adjust font size
Change resolution
Modify refresh rate
Enable ClearType
Change resolution
You work at a large department store selling computer products. Iwina walks in and wants to buy a wireless router. She explains that the media streaming device she ordered online supports a transmission speed of up to 200 Mbps. What type of router should you recommend?
Wi-Fi 802.11b
Wi-Fi 802.11a
Wi-Fi 802.11g
Wi-Fi 802.11n
Wi-Fi 802.11n
Four years ago Faleka bought a custom computer with a mid-tier motherboard and a basic configuration option. During the last three months he has noticed the video quality seems to be gradually degrading. To troubleshoot, he uses a known-good replacement monitor and video cable, but the problem persists. What would be a reasonable course of action for Faleka to take?
Remove the existing onboard video card and install a new one
Disable the onboard video port and install a new graphics card
A wireless router is too close to the monitor causing interference
Four years is a long time, so the video drivers need to be updated
Disable the onboard video port and install a new graphics card
You install a new peripheral, but it does not work. Then you remember about the drivers. Where can check to see if they were installed automatically?
Device Manager
Control Panel
Peripheral Manager
Programs and Features
Device Manager
Damion recently did an update to his computer and added a new video card. After the update, Damion decided that he would like to play his favorite game. While he was playing the game, the system locked up. He restarted the computer and did not have any issues until he tried to play the same game, at which point, the computer locked up again. What might be the problem with Damion's computer? (Select all that apply.)
Version of DirectX is out of date
Window is not compatible with the game
Video card device drivers need to be updated
Game is not compatible with video card
Version of DirectX is out of date
Video card device drivers need to be updated
Game is not compatible with video card
After Sandy and a friend troubleshoot her laptop they determine the LCD screen needs to be replaced. Sandy gets tired of waiting on her friend, who knows more about computers, and decides to do it herself by watching videos online. In the process, she accidentally breaks one of the two cables that wrap around the screen and connect to the mini-PCIe card inside the laptop. What is the impact of this mishap?
The laptop LCD screen will not have power
The laptop webcam will not function
The laptop will lose its Wi-Fi capabilities
The laptop sound will no longer work
The laptop will lose its Wi-Fi capabilities
Charanya decides it is time for an upgrade. She buys a new computer, a used 17-inch LCD monitor at a thrift shop, as well as a VGA splitter for screen duplication purposes and compatibility with the original VGA monitor. When she plugs in the monitors, the image on the LCD monitor is blurry. What are possible explanations for, and/or how could she rectify, this condition? Select two.
The monitor was defective to begin with so she should return it right away and buy a new one
The monitor is not set to the native or recommended resolution hampering the image quality
Upgrading the VGA cable to a DVI, HDMI, or DisplayPort standard will improve the image quality
A 17-inch monitor is too small to support the higher resolution capabilities of new computers
The monitor is not set to the native or recommended resolution hampering the image quality
Upgrading the VGA cable to a DVI, HDMI, or DisplayPort standard will improve the image quality
Jovi buys a high-end sound card for professional grade recording and playback. When he installs the card there seems to be a conflict so he disables the onboard audio using the Device Manager but that does not solve the problem. What else can Jovi do to overcome the problem?
Disable the onboard audio using the BIOS/UEFI
Disable the onboard DVI port on the motherboard
Rest the input and output jacks on the sound card
Disable the unused PCI lanes in the expansion slot
Disable the onboard audio using the BIOS/UEFI
Sherri has recently been injured. She is having a problem using her left hand and would like to use a stylus to move her mouse around the screen on her laptop computer. What type of I/O device can Sherri add to her system to allow a non-touch screen laptop to use a stylus to manipulate the screen?
Inverter
OLED
Touch screen
Digitizer
Digitizer
Makani is participating in an on-the-job training program at work. He is learning how to configure computers in a network. He is told to use private IP addresses because all organizations could use them without conflict since they are not routable. If the addresses are not routable, he wonders, how will the computers have internet access?
It is private network so they will not have internet access
A NAT router will translate a private address to a public one
A proxy server will temporarily change the address on the host
A proxy server will temporarily change the address on the host
A NAT router will translate a private address to a public one
You recently bought a new router, modem, and switch to create a wired network at home containing six computers. Beginning with the computers, how would you connect the devices to ensure the computers have internet access?
computers, router, modem, switch
computers, switch, router, modem
computers, modem, switch, router
computers, switch, modem, router
computers, switch, router, modem
Kwan, a fifth-grade teacher, has been learning about computers but does not know much about networking. He found a hub in the supply closet and decided to create a small network in his classroom consisting of a file/application server, 10 relatively new computers, and a printer. The students often complain that the computers are slow, but one student blames it on the network. What can Kwan do to eliminate complaints?
Upgrade to more powerful PCs
Replace the hub with a switch
Upgrade to a better router
Use NICs that support 1 Gbps
Replace the hub with a switch
What characteristics do the 10.0.0.1/24, 172.16.0.2/24, and 192.168.0.3/24 IP addresses have in common? Select three.
They are public IP addresses
They are private IP addresses
They are not routable by the ISP
They all have the subnet mask
They can be assigned to only one organization
They are private IP addresses
They are not routable by the ISP
They all have the subnet mask
A technician is configuring a new SOHO multifunction router at a customer site to provide network access to several wireless devices. The technician is required to protect the internal network from unauthorized access while performing the initial router setup as well as during normal operation after the configuration is completed. Which of the following is the best step for the technician to take in securing the router to meet this requirement?
Enable DHCP on the router and configure IP address reservations for the wireless clients
Change the default administrative password on the router
Disable the radio transmitter in the wireless router
Configure MAC filtering on the router and allow access to only the technician’s computer
Change the default administrative password on the router
You want to setup a separate network at home that is accessible from the internet. You want it to be isolated from your personal network, so you lease an IPv6 address from the ISP. When you configure the interface IDs of the devices on the network, which bits in the IPv6 address will you be modifying?
The first 48 bits of the IPv6 address
The 16 bits following the first 48
The last 64 bits of the IPv6 address
The last 32 bits of the IPv6 address
The last 64 bits of the following IPv6 address
Venus is a member of the IT department at a company that has a moderately-sized network. One of her performance review objectives is to help her department be more proactive relative to being notified, and responding to, certain events that occur in the network. What type of server will help her meet the objective?
SMTP server
LDAP server
IMAP server
Syslog server
Syslog server
You are setting up your Windows computer to connect to the Internet. When you type www.microsoft.com, the issues an error message indicating the site cannot be reached.
What network setting should you check to see the address of the server being used to resolve the domain name you entered in the browser?
IP address
Subnet mask
Gateway
DNS
DNS
Which of the following is a scenario in which an IT support technician would most likely be required to implement the alternate IP configuration method on a network host?
To ensure a workstation receives the same IP address from the DHCP server each time the workstation is booted.
In the event a DHCP server is unavailable, the workstation will have a valid IP address on the subnet.
When a workstation requires that more than two different DNS server IP addresses be configured for a specific network interface.
To assign a secondary DNS server IP address to a specific network interface on the workstation.
In the event a DHCP server is unavailable, the workstation will have a valid IP address on the subnet.
The owner of a small loan brokerage firm does not know much about computers but has always been concerned with security, so he buys a used enterprise grade router. Mango, a loan officer with a little bit of IT knowledge, configures FE80::1 as the only address on the internal interface of the router. What effect will this have?
Nothing because the address is routable
Internet access will now be suppressed
NAT will translate it to a public address
Security will be dramatically improved
Internet access will now be suppressed
You log in to a wireless router with administrative privileges and change the SSID. What exactly have you done?
Changed the network name
Changed the MAC address
Change the IP address
Changed the subnet mask
You cannot change the SSID
Changed the network name
A technician wants to configure a DHCP server to guarantee that certain printers always receive the same address. Which of the following should the technician configure?
VPN tunnel
Address reservation
Subnet mask
Default gateway
Address reservation
Torino receives a call from a SOHO client who says her computer is not working. He goes to her office and checks the network settings. He notices that the default gateway entry is blank, yet he can ping the router. Once he enters the default gateway, the problem is solved. What did the client mean when she said her computer is not working?
The network interface card was disabled
The computer had no internet access
She could not print on the local printer
The computer had an invalid IP address
The computer had no internet access
You buy a cable that has RJ-45 connectors. For what type of transmission will the cable be used?
Cellular
Cable
Fiber
DSL
Ethernet
Ethernet
You are asked to add a resource record in the DNS namespace for a website your company wants to publish. Which of the following entries will you make?
www.company.com IN A 209.165.200.5 14440
www.company.com 14440 209.165.200.5 A IN
www.company.com A IN 14440 209.165.200.5
www.company.com 209.165.200.5 IN A 14440
www.company.com A IN 14440 209.165.200.5
Jesenia read an article that said stored data, such as when you are downloading an app, is transmitted using TCP, but live-streaming events are transmitted using UDP. Why would this be true? Select two.
TCP is reliable and ensures the delivery of data using a connection-oriented mechanism.
UDP uses acknowledgements to ensure and guarantee the delivery of important data.
UDP will retransmit data that has been lost during the transmission to guarantee delivery
UDP is fast and does not retransmit lost data so as not to disrupt the live video feed.
Stored data is transmitted to a specific device, but live-stream data is sent to various devices.
TCP is reliable and ensures the delivery of data using a connection-oriented mechanism.
UDP is fast and does not retransmit lost data so as not to disrupt the live video feed.
You run the ipconfig /all command on your Windows computer and see a hexadecimal value that looks like this: E0-70-EA-4E-AB-A5. What does it represent? Select two.
IP address
Port number
MAC address
Logical address
Physical address
MAC address
Physical address
A restricted computer lab at a college has been set up with local authentication. Students are able to log in but do not have internet access. You check the network settings on one of the computers and it has an IP address of 169.254.1.10. What is the problem?
The AAA server is not reachable
The NAT server is not reachable
The DNS server is not reachable
The DHCP server is not reachable
The DHCP server is not reachable
Quintavius loves to tinker with computers so he sets off to see how many networking services he can install in one physical server. He sets up the system to support DCHP, DNS, HTTP, HTTPS, Telnet, SSH, and an email server. On what port will these services listen?
DCHP 67, DNS 53, HTTP 80, HTTPS 443, Telnet 23, SSH 22, SMTP 25
DCHP 53, DNS 443, HTTP 80, HTTPS 23, Telnet 22, SSH 25, SMTP 67
DCHP 443, DNS 23, HTTP 80, HTTPS 22, Telnet 25, SSH 67, SMTP 53
DCHP 23, DNS 22, HTTP 80, HTTPS 25, Telnet 67, SSH 53, SMTP 443
DCHP 67, DNS 53, HTTP 80, HTTPS 443, Telnet 23, SSH 22, SMTP 25
You are a security professional tasked with preventing fraudulent emails. Which DNS records will you configure to help you realize this goal? Select three.
DKIM
CNAME
SPF
MX
DMARC
DKIM
SPF
DMARC
Which of the following devices are most commonly used to connect a LAN to an ISP for broadband services? (Select TWO.)
Network interface card
Cable modem
Firewall
DSL modem
Dial-up modem
Cable modem
DSL modem
Akello uses his computer to download a document from the internet. What role does his computer play as opposed to the computer from which he is downloading the document? Select two.
His computer is a client
His computer is a server
The computer form which he downloads the document is a client
The computer from which he downloads the document is a server
His computer is a client
The computer from which he downloads the document is a server
Henry is using the command line to troubleshoot whether a Windows client is able to connect to the server on his network. What command should Henry use to check whether he has connectivity to the server?
ipconfig
ipconfig /displaydns
ifconfig
ping
ping
A client contacted you to request your help in researching and supplying the hardware necessary to implement a SOHO solution at his new home-based business. Which of the following SOHO router features will simplify IP address configuration on the private network for both wired and wireless clients?
Multi-port switch
FTP server
DCHP server
Firewall
Wireless access point
DHCP server
You are running a performance test using three different browsers on the same computer to simultaneously access the same web site. What numeric identifier or address is used to keep the three connections separate at the application (browser) level?
MAC Address
Port number
IP address
FQDN
Port number
Abigail needs to move out of state to take care of her mother. She will need secure remote access to continue working as a cloud engineer. What type of connection does Abigail need to securely access the computing resources at her company?
UTM
WAP
VPN
Firewall
VPN
Jana is an independent software developer looking for a cloud model that will allow her to easily and quickly provision computing resources, test her application, then release the computing resources when done. Which model should Jana use?
IaaS
PaaS
SaaS
XaaS
PaaS
A coworker is asking for your advice on a problem with a computer that will not communicate on the network. While assisting the coworker, you suspect that the wired NIC may have failed. Which of the following will you recommend to your coworker as the best tool to diagnose this issue?
Wi-Fi analyzer
Loopback plug
Punchdown tool
Cable tester
Loopback plug
What is the purpose for the twists in twisted pair Ethernet cabling?
Increase the maximum cable distance
Reduce cross talk between wire pairs
Decrease the signal strength over distance
Increase fire resistance is ceiling cavities
Reduces crosstalk between wire pairs
To reduce costs, a company wants to slowly transition and eventually eliminate their dependency on their own hardware, datacenter, and IT personnel to manage the data center. What would you initially recommend?
Public cloud services
Client-side virtualization
Hypervisor services
Hybrid cloud services
Hybrid cloud services
You are using Wireshark to troubleshoot activity on your network because the performance seems to have degraded over the last two days. What can you discover using Wireshark?
Port flapping on a switch
Defective network cable
High usage by a network client
Wireless interfernece
High usage by a network client
A technician is working at a client's office after hours and needs two cables to finish the work but does not have immediate access to prebuilt cables. One cable needed is for a dial-up connection from the dial-up modem to the existing analog POTS jack on the wall. The other cable is for an Ethernet connection from the computer to the existing keystone jack on the wall. The technician has the necessary wire and connectors to make the cables. Which of the following tools will the technician use to make the cables and then verify that they both work properly? (Select THREE.)
Crimper
Toner probe
Cable tester
Cable stripper
Punchdown tool
Loopback plug
Crimper
Cable tester
Cable stripper
You are tasked with securing a network for a client that requires a spam gateway, VPN, anti-malware as well as an end-point management system. Which of the following would best help you meet the requirements of the client?
Implement a firewall
Implement an IPS
Implement a UTM appliance
Implement identity-based ACLS
Implement an IDS
Implement a UTM aplliance
Mr. Sales knocks on your door and tries to sell you a faucet with the ability to notify you through your cell phone if it springs a leak. What technology enables this capability?
PoE
SDN
IoT
SCADA
IoT
A technician has verified that a bad Cat6 cable run in the wall is responsible for a workstation's lack of communication on the network. Which of the following tools can be used to pinpoint the location of the cable inside the wall?
Wi-Fi analyzer
Network multimeter
Cable tester
Toner probe
Toner probe
Jochi just started college and is using an online LMS (learning management system) to gain access to his assignments. From his perspective, what type of cloud service does the LMS represent?
Iaas
Paas
SaaS
Xaas
SaaS
A geospatial company uses LRFW networks because it allows them to transmit signals across large distances that can sometimes exceed 100 miles. What features of LRFW enable this capability? Select two.
Highly directional antennas
High frequency transmission
High orbital geospatial satellite
High power transmission
Highly directional antennas
High power transmission
Online activity for a retail company rises dramatically in November and December. Which cloud computing feature allows them to automatically scale up or down their computing resources to meet demand?
Rapid Elasticity
High Avaibility
Metered Utilization
File Synchronization
Rapid Elasticity
Which of the following is a function of an endpoint management server appliance?
Filtering the web content delivered to users on the local area network
Scanning incoming and outgoing cooperate email for spam, malware, and viruses
Restricting a device’s access to the network until security requirements are met
Providing authentication services for all network-connected devices
Restricting a device’s access to the network until security requirements are met
In which of the following situations should you install an IPS instead of an IDS?
You want to improve access times to frequently accessed websites
You want to document any instance of malicious activity on your LAN
You want to block a single MAC address from accessing your LAN
You want to block unauthorized activity on your LAN from the Internet
You want to block unauthorized activity on your LAN from the Internet
A corporation requires a connection between two campus building that are 250 meters apart. The link must be able to carry traffic at 8 Gbps, at the very least. Which of the following cable combinations will meet these requirements?
Coaxial cable with BNC connectors
Cat6 STP cable with RJ-45 connectors
10GBase cable with either SC or LC connectors
Cat5e UTP cable with RJ-45 connectors
10GBase cable with either SC or LC connectors
Adelina works at an online retail company where weekend sales spike and generate increased network traffic. She is asked to investigate options to help alleviate network congestion inexpensively. Which solution will help mitigate the problem with relative ease?
Configure VLANs
Use CAT-7 cables
Upgrade the router
Use 10 Gbps Ethernet
Configure VLANs
You just completed a contract setting up the network in a new 10-story office building for a commercial airline company. They are not happy with their VoIP service. You troubleshoot and determine you need to modify the QoS policies. Which type of traffic should have the highest priority?
FTP
Web
Data
Voice
Voice
You are completing a networking assignment and need to connect devices as shown in the schematic. Computer PC1 connects to switch S1. S1 connects to router R1. R1 connects to router R2. R2 connects to switch S2 which connects to computer PC2. None of the devices support auto-linking.
PC1 - - - - S1 - - - - R1 - - - - R2 - - - - S2 - - - - PC2
Beginning with PC1, what type of cable do you need to connect the devices (XO = crossover, ST = straight-through)?
XO, XO, ST, XO, XO
XO, ST, ST, ST, XO
ST, XO, XO, XO, ST
ST, ST, XO, ST, ST
ST, ST, XO, ST, ST
A large corporation needs a high-speed network to test a product that will backup and restore terabytes of data. What type of network should they use?
LAN
MAN
PAN
SAN
WLAN
SAN
Nikita attempts to install a hypervisor on her laptop. When she tries to create a virtual machine an error message suggests that virtualization is not supported. Where can she check to see if virtualization is enabled?
UEFI/BIOS
Control Panel
Device Manager
Programs and Features
UEFI/BIOS
A technician has been dispatched to a client's office to diagnose wireless network issues and suspects the channel overlap may be the problem. Which of the following tools can the technician use to help determine whether her suspicions are correct?
Toner probe
Cable tester
Loopback plug
Wi-Fi analyzer
Wi-Fi analyzer
You buy a PoE (Power over Ethernet) security camera in a liquidation sale that requires at least 22 Watts of power. Before installing it, you test it by connecting it to a switch capable of transmitting power based on the PoE IEEE 802.3af standard. However, the camera does not turn on. Which of the following best describes the problem?
The PoE device is not transmitting enough power to turn on the camera
You need to connect a PoE injector to send more power to the switch
The camera is using a PoE standard that is outdated and not compatible
The firmware on the switch should be upgraded to the IEEE 802.3 at standaed
The PoE device is not transmitting enough power to turn on the camera
Reyad is preparing for a hands-on Linux exam. He wants to practice in an isolated environment on his computer because he does not want his live system to be negatively affected. Which of the following should he implement?
Cross-platform virtualization
Application virtualization
NIC virtualization
Sandbox
Sandbox
You are using a crimper to attach an RJ-45 connector to a Cat 6 UTP cable. Your company requires that all cabling follow the TIA/EIA 568A standard. Starting with pin 1 of the modular plug, which wire color code will you use?
Orange/white, orange, green/white, blue, blue/white, green, brown/white, brown
Green/white, green, orange/white, blue, blue/white, orange, brown/white, brown
Orange/white, orange, green/white, green, blue/white, blue, brown/white, brown
Green/white, green, orange/white, orange, blue/white, blue, brown/white, brown
Green/white, green, orange/white, blue, blue/white, orange, brown/white, brown
The back cover of a mobile device is warmer than usual, and the battery seems to lose its charge much quicker than normal. The user has scanned for malware, closed unused apps, and decreased the brightness level of the screen, but the symptoms persist. Which of the following is the most likely cause for this behavior?
The firmware is out of date
The charger is defective
The AC power outlet is faulty
The battery is going bad
The battery is going bad
A mobile phone user in your company is experiencing dropped phone calls. While interviewing the user, you determine the problem started after she checked her email this morning. No other mobile devices in the organization are dropping calls. Which of the following is the most likely reason for the dropped calls?
Cellular service is weak in the office building
Malware is interfering with the calls
The user is connected to an unauthorized Wi-Fi network
The user has exceeded the li,it on her data plan
Malware is interfering with the calls
Jolie wants to see a list of, and manage, apps on her Android phone. Where can she go on her phone to do this?
Settings
Control center
App drawer
The dock
App drawer
You are asked to install an authentication system at a data center that requires both, a fingerprint scanner, and facial recognition for access. What type of authentication will you implement?
Two-factor authentication
Multifactor authentication
Biometric authentication
TouchID and FaceID
Biometric authentication
Jozef is a youngster who writes an app for the iPhone. He posts it on a website, but nobody ever downloads it. He speaks with a senior developer who gives him advice. He implements the advice, and his app now has a lot of downloads. What did Jozef do differently?
He advertised on popular social media sites
He placed the app on the Apple App Store
He made the app available on the Play Store
He placed the app on the Apple App Store
A company asks Aurora to work on a mobile device that belongs to a colleague. After her evaluation, she narrows down the list of things to consider doing. They include uninstalling some apps, updating the OS, and possibly performing a factory reset. What would have prompted her to consider these actions?
The device is being returned to the provider
The perfomance of the device had degraded
The device is being prepared for another user
You are trying to remove suspected malware
You are trying to remove suspected malware
Derek is planning a camping trip and wants to be able to listen to music at the campsite. Derek currently has a smartphone but does not like the sound coming from the speakers.
What can Derek do to enjoy better sound quality while at the campsite?
Connect to a Bluetooth speaker
Tether to his laptop
Create a hotspot
Use his smartphone speakers; this is the only way Derek can listen to music on his smartphone
Connect to a Bluetooth speaker
James wants to sync his Android phone to back up his pictures. However, he does not want to sync his data files.
How can James select what to synchronize from his phone to Google storage?
Sync app
Device maintenance
Connections
Settings app
Settings app
Collette wants to stream a movie from her iPad to her Apple TV. What type of connection should she use?
AirDrop
CDMA
RFID
NFC
AirDrop
Randy is concerned about his company's data security on the Internet. Because cellular signals are not encrypted, he is concerned that the new smartphones given to the sales department will allow a breach. Randy has decided the company needs a more secure way to allow the sales department to connect to the company network over the Internet. What should Randy deploy to allow the sales department to connect to the company network securely over a cellular data signal?
SSH
VPN
IMEI
POP3
VPN
Jerry recently purchased a new iPad. He needs guidance on setting it up and wants to find documentation to help with the setup. Where can Jerry find detailed steps on how to connect to a network, configure email, update the OS, sync, and back up settings and data, as well as what to do when things go wrong with his iPad or an iPhone?
User guide for the device
Troubleshooting FAQs
The Apple Store
Settings on device
User guide for the device
Ferran got a new cell phone. But every month he receives a data-usage limit notification even though he has not done anything unusual except use, install, and remove games and apps. What can he do to try to rectify the problem?
Disable Wi-Fi capabilities to limit data usage
Install an app to monitor the amount of data used
Upgrade to a better plan that provides more data
Verify all apps that are not being used are closed
Verify all apps that are not being used are closed
Juniper wants to buy her father a tablet. He has relatively poor vision, so she does not want him to have to worry about the orientation of the plug on the cable when he charges the device. Juniper will get her father a tablet with what type of USB charging port?
Lighting
MicroUSB
MiniUSB
USB-C
USB-C
Arun recently graduated with both, civil and electrical engineering degrees. His first project is to design a system that will replace the manual tolls in a highway with a wireless toll booth collection system. He decides that passing vehicles should have a small device that transmits data to fixed stations at various points along the highway for automated billing. What type of technology should Arun consider to be the most viable?
RFID
Wi-Fi
Cellular
Bluetooth
RFID
Your mobile device is displaying messages informing you that your device is infected with malware. The instructions tell you to install another app to properly remove the malware.
What should you do?
Back up all user data and perform a factory reset
Go ahead and install the app to clean the device
Follow the instructions in the message and verify the app site is legitimate
Disregard the message and check for a compromised app
Disregard the message and check for a compromised app
You need to create LAN a connection using a mobile device. Which of the following will most readily allow you to create the connection without using a physical tether? Select two.
Use a USB cable to connect to the LAN
Use Wi-Fi to connect to a LAN
Use Bluetooth to connect to a LAN
Create a mobile Wi-Fi hotspot
Use RFID or NFC to connect to the LAN
Use Wi-Fi to connect to a LAN
Create a mobile Wi-Fi hotspot
A user is asking her smartphone to recommend a restaurant. But even though the cellular service is active and functioning properly, the app seems unable to determine its whereabouts. What is the first thing the user should check?
The user should check the smartphone for a week or dropped Wi-Fi signal
The user should check the smartphone’s battery for a low charge condition
The user should verify location services is enabled on the smartphone
The user should contact her cellular provider and ask for an update
The user should verify location services is enabled on the smartphone
You are in the market for a used smartphone, but you want to ensure it you can use it as a hotspot. Which technology should it support? Select all that apply.
2G
3G
4G
5G
4G
5G
Bryson has contacted you because he needs to know what kind of data he can synchronize from his iPad to his PC. What can Bryson synchronize from his iPad to his PC? (Select all that apply.)
Contacts
Photos
Music
Notes
Location Data
Calendar
Contacts
Photos
Music
Notes
Calendar
Frank is traveling for work with his company laptop and company phone. During a layover, he reviews his files in preparation for a presentation but discovers he forgot an important file. The good news is the file is in cloud storage. How can Frank download this file? (Select all that apply.)
Use his cellphone to create a hotspot
Use the Wi-Fi service in the airport
Tether his laptop to his smartphone
Use a VPN to connect to cloud storage
Use his cellphone to create a hotspot
Tether his laptop to his smartphone
Dennis is on a road trip with his family. His children want to use their tablet to watch a movie online. What can Dennis do that will allow the children to watch a video on the Internet while in the car?
Tether his phone to the tablet
Enable wireless sharing
Set the tablet to airplane mode
Enable a hotspot on his smartphone
Enable a hotspot on his smartphone
John just bought a used iPad from a friend who had lost the charging cable. John notices that the cable is similar to the charging cable for his Android smartphone, but not quite the same. What type of cable will John need to purchase to charge the iPad?
Micro USB
Lightning
MiniUSB
Mini HDMI
Lightning
Kiran realizes her iPhone has no battery power. She needs to make an emergency call and starts charging it. When she turns around, her two-year-old grabs the phone and starts running into the kitchen. She chases him so he tries to hide it in the sink, but it lands in a pot full of water. What should Kiran do with the wet iPhone?
Submerge the phone in a bap of rice
Use a heat chamber or hair dryer
Try charging the phone anyway
Use compressed air to dry the iPhone
Try charging the phone anyway
Mark has been asked to set up several smartphones to connect to the email server in the company for which he works. What is the effect of configuring POP3 vs IMAP using the default settings?
IMAP deletes message from the email server, POP3 does not
POP3 deletes message from the email server, IMPA does not
Both will delete messages from the server once downloaded
Both will preserver messages on the server once downloaded
POP3 deletes messages from the email server, IMAP does not
Juula just purchased a new tablet from the Apple Store for her home-based business. She wants to ensure the calendar and contacts she creates are automatically saved online. What service should Juula use?
Yahoo
OneDrive
iCloud
iCloud
Note
Flashcard