CompTIA A+ Core 1 (220-1201) Full Course & Practice Exam, CompTIA A+ Core 1 (220-1201) 6 Practice Exams 3, CompTIA A+ Core 1 (220-1201) 6 Practice Exams 4, CompTIA A+ Core 1 (220-1201) 6 Practice Exams 5, CompTIA A+ Core 1 (220-1201) 6 Practice Exam…

Which type of wireless network utilizes the 2.4 GHz frequency band and reaches speeds of up to 54 Mbps?

802.11g

Which of the following is a connectionless protocol that utilizes on UDP?

DHCP

Which mobile connectivity option allows devices to communicate by bringing them into close proximity, usually within a few centimeters/inches?

NFC

How many volts of electrical charge are applied to the drum of a laser printer?

-600 volts

Which of the following technologies can provide the precise latitude and longitude of a device's location when it is located outdoors?

GPS

Tom, a salesman, is trying to print a 3-page report to the network printer located in the Sales department’s office space. He walks over to the printer but doesn’t see the pages in the printer’s output tray. He checks the on-screen display of the printer, but he doesn’t see any errors listed. Tom tries a few more times, but he gets the same results. Frustrated, Tom selects the network printer for the Customer Service department and sends his print job there. He walks over to their offices and finds his 3-page report sitting in that printer’s output tray. Tom asks you to help him solve this printing problem. What action should you take FIRST to help solve Tom’s problem?

Verify that Tom has been sending the document to the correct network printer's queue

What network device uses ACLs to prevent unauthorized access into company systems?

Firewall

A user wants to print a spreadsheet horizontally on a piece of paper instead of vertically to fit more columns on a single page. What setting should the user enable on the printer for this print job to achieve this result?

Orientation

An IT administrator notices that their cloud-hosted application is running with excessive CPU resources even when user traffic is low, leading to unnecessary costs. How can the administrator use elasticity to resolve this issue?

Configure the system to scale resources down during periods of low usage automatically

A user reports that their mobile device is not charging when connected to their computer via a USB cable. The user is using a USB-A to USB-C cable. Upon inspecting the device, you confirm that it does not detect the connection to the computer. What is the first step you should take to diagnose the issue?

Try a different USB port on the computer to rule out port failure

Dion Training's file server uses a RAID 5 for its main data store. Recently, the RAID began flashing from green to yellow. Additionally, an alert was received that stated, "RAID ARRAY DISK1 FAILURE." Unfortunately, the company no longer has any spare 1 TB, 5400 RPM Seagate drives, so a technician replaces DISK1 with a 1 TB, 7200 RPM Western Digital drive. When the technician attempts to rebuild the array, the drive stays in degraded operation and continues to alert that "RAID ARRAY DISK1 FAILURE" is occurring. What is the most likely cause of this issue?

The HDD is incompatible

Which of the following networked hosts should be installed to prevent users from being overwhelmed with junk emails?

Spam gateway

Dion Training wants to install a new accounting system and is considering moving to a cloud-based solution to reduce cost, reduce the information technology overhead costs, improve reliability, and improve availability. Your Chief Information Officer is supportive of this move since it will be more fiscally responsible. Still, the Chief Risk Officer is concerned with housing all of the company’s confidential financial data in a cloud provider’s network that might be shared with other companies. Since the Chief Information Officer is determined to move to the cloud, what type of cloud-based solution would you recommend to account for the Chief Risk Officer’s concerns?

SaaS in a private cloud

The large multi-function network printer has recently begun to print pages that appear to have a dust-like coating when handled by the users. Which of the following components should be replaced based on this description?

Fuser

Which of the following types of data should you transmit over TCP?

An order for a $50,000 stock purchase

Which of the following devices should be installed as an intermediary between your clients and the web servers they want to connect to to make an HTTP request from the client, check it, and then forward it to its destination?

Proxy server

What command is used to test if your own network card's driver is working properly?

ping 127.0.0.1

Jason left his smartphone in his car while running into a convenience store to grab a cold drink on a sunny day. When he got back to the car, his smartphone would not turn on. Which of the following issues most likely occurred?

The smartphone is overheated

Brenda’s workstation continually fails to keep accurate time. She manually sets the date and time within Windows, but the next day the time is inaccurate again. When she leaves work at the end of the day, Brenda shuts down her workstation per company policy. The next morning when she boots up the computer, she must reset the time again. Which of the following is MOST likely causing the inaccurate time on the workstation?

The desktop's CMOS battery has failed

Which of the following locations are you likely to find the antenna wires located within a laptop or mobile device?

Positioned around the display panel

Your firewall is blocking outbound email traffic that is attempting to be sent. Which port should you verify is set to ALLOW in the firewall to ensure your emails are being sent?

25

You are troubleshooting a storage issue on a customer's computer. During the computer's operation, you hear a loud, rhythmic sound. Which of the following storage components is likely failing?

HDD

Which of the following refers to using virtual machines as a method of provisioning workstations for corporate users?

VDI

Using the image of the motherboard above, which of the following correctly indicates the circled area?

PATA connector

Which of the following is an open-source wireless communication protocol operating in the 2.4 GHz frequency band and is primarily used for home automation?

Zigbee

A company relies on legacy accounting software that is no longer compatible with the latest operating systems. Which of the following is the BEST solution to ensure continued use of the software without upgrading the operating system?

Install a virtual machine running the legacy OS

Which of the following types of power supplies allows the installer to attach or remove cables from the power supply as needed to reduce cable clutter inside the computer's case?

Modular power supply

Linda wants to reduce the number of monitors, keyboards, and mice required to control the multiple servers she manages in the data center. Which of the following devices should she install to allow a single keyboard or mouse to control multiple systems?

KVM

You are currently conducting passive reconnaissance in preparation for an upcoming penetration test against Dion Training. You are reviewing the DNS records for the company and are trying to identify which third-party hosted services they may be using. Which of the following DNS records should you analyze to identify any human-readable records, domain verifications, and domain authentications

TXT

A computer technician is replacing a failed power supply in a customer's gaming workstation that contains multiple hard drives and a dedicated graphics card. Which of the following are the two most important things for the technician to consider when selecting a power supply replacement for this system? (Select TWO.)

Wattage rating

Number and type of connectors

A user reports that their mobile device has become significantly slower over time. Upon inspection, you discover that the device still uses a traditional HDD. What is the MOST effective upgrade to improve the performance of the device?

Replace the HDD with an SSD

An employee's workstation will operate for a short period of time, but then it unexpectedly shuts down. When you check the workstation, you hear the hum of the cooling fans. What is most likely the issue?

CPU overheated

Which of the following devices could be used to extend transmissions of a signal over longer distances by receiving and retransmitting a given signal at the lowest cost?

Repeater

Tom is running some new Cat 5e cabling in an office building to connect a few offices. The ceiling is constructed as a drop ceiling with fluorescent lights and does not have any cable trays. Due to the proximity of the fluorescent lights to the cable being run, what type of CAT 5e cable should be run?

STP

Which option would you MOST likely use to configure PXE to set up remote imaging on a computer during a deployment?

BIOS boot option

Which of the following is a primary benefit of using VDI?

Enhances desktop security and control

Using the image above, which of the following correctly identifies the fiber optic connector shown as Connector A?

SC

Which of the following types of hard drives would be used in a gaming laptop to increase the system's boot-up performance while providing a large amount of storage at a lower overall cost?

Hybrid drive

Which cellular technology utilizes new frequency bands to reach proposed speeds of up to 20 Gbps?

5G

Using the image of the motherboard above, which of the following correctly indicates the circled area?

AGP

Which of the following is categorized as a private IP address?

172.30.15.12

Which of the following is used to capture the logs from different devices across the network to correlate different events across multiple servers and clients?

Syslog server

A technician at Dion Training is troubleshooting an issue with a workstation. The technician believes that the power supply needs to be replaced based on the symptoms they observed. Which of the following symptoms did the technician likely observe to lead them to this conclusion?

Burning smell

Your desktop computer is currently running out of internal storage space. You want to upgrade the workstation with more internal storage to store additional videos, photos, and backups. Which of the following is the BEST storage solution to avoid having to expand again next year while still meeting your need to store more data?

3 TB HDD

Which of the following components of a laser printer is used to apply an electric charge to the paper so that the paper attracts toner to it during the imaging process?

Transfer roller

What is the BEST explanation for why consumer-based IoT devices are less secure than traditional desktops and servers?

IoT devices focus on convenience more than security

What material is first applied to a CPU during installation to help draw excess heat away from the processor?

Thermal paste

What type of connector provides power to an internal hard drive from the computer's power supply using a 4-pin connector?

Molex

A technician is troubleshooting a workstation in Dion Training’s conference room. The workstation is intermittently rebooting without warning. The workstation is located in a closed wooden cabinet under a large television. The technician reviews the Windows system logs for this workstation but does not identify any correlation with the different times or activities when the reboots occur. The technician shut down the workstation, opened the case, and verified that the memory modules and cables are properly connected. Which of the following is the MOST likely reason for the reboots that are occurring?

The workstation is overheating

You attempt to log on to a Windows workstation, and an error message pops up that says there is a duplicate IP address detected on the network. You restart the workstation, and the same error is displayed when you attempt to log in again. Which of the following is MOST likely causing this error message to occur?

A static address has been configured on the workstation

You have decided that you wanted to install a second operating system on your computer. After installing the OS and rebooting the computer, you see the "Operating System Not Found" error on your display. You verify that the boot.ini file is configured properly, but the error still appears. What is MOST likely causing this error?

An incompatible partition is marked as active

Several users at an adjacent office building report intermittent connectivity issues after a new flagpole was installed between the two offices. The network technician has determined the adjacent office building is connected to the main office building via an 802.11ac bridge. The network technician logs into the AP and confirms the SSID, encryption, and channels are all correct. Which of the following is MOST likely the cause of this issue?

Signal attenuation

You have been asked to fix a laptop with a screen image that is being displayed upside down. What is the BEST method to fix this issue?

Change the orientation of the screen

Dion Training uses a large laser printer to print documents in its office. The laser printer has recently begun creating printouts that contain a double image or ghost image appearance to them. Jason just printed out a test page:

Drum

Which of the following synchronization methods does NOT work with Android devices?

iTunes

You are troubleshooting a computer that won't display any output on the screen. First, you powered the computer off and on again, noting that the fans were spinning, but there was still no display output. You confirmed that the monitor and video cable were working by testing them with another computer. Next, you reseated the PCIe x16 video card and tried a different video card, but the issue persisted. You checked all power connections inside the case to ensure they were secure. Finally, you tested the computer with minimal components (motherboard, processor, one stick of RAM, and power supply), but there was still no display and no POST beep codes. Given the steps taken, what is the MOST likely cause of the issue?

The power supply wattage is too low for the components in the computer

A user reports that their mobile device has become slower over time, especially when switching between multiple apps or using resource-heavy applications like video editing tools. The user also mentions that closing other apps seems to temporarily improve the device's speed. What is the first step you should take to diagnose the issue?

Check the device settings for available RAM and active processes

Which cloud computing concept is BEST described as focusing on replacing the hardware and software required when creating and testing new applications and programs from a customer's environment with cloud-based resources?

PaaS

Which of the following technologies would allow your laptop to share content with a mobile device wirelessly using touchless transfer?

NFC

Dion Training wants to order some new laptops for their video editors. The video editors want to ensure the display has the best color accuracy when using a 60 Hz refresh rate. Which of the following types of displays should the company purchase to meet this requirement?

IPS

Using the image of the motherboard above, which of the following correctly indicates the circled area?

Port cluster

A company is transitioning to a cloud-based infrastructure and wants to implement a pay-as-you-go model for its IT services. Which cloud deployment model should they choose?

Public cloud

Which of the following is a page description language that produces higher quality outputs at the expense of speed?

PostScript

Which type of RAID should be used for a virtualization server that must have the fastest speed and highest redundancy level?

RAID 10

A network technician connects three temporary office trailers with a point-to-multipoint microwave radio solution in a wooded area. The microwave radios are up, and the network technician can ping network devices in all of the office trailers. However, users are complaining that they are experiencing sporadic connectivity. What is the MOST likely cause of this issue?

Interference

Which type of wireless network utilizes the 2.4 GHz or 5 GHz frequency bands and reaches speeds of 108 Mbps to 600 Mbps?

802.11n

Dion Training's file server is using a RAID 5 with four disk drives as its data store. One of the drives in the array has just failed. The RAID 5 is still operating, and no data loss has been experienced, but the array is no longer providing any resiliency or redundancy. Which of the following actions should you take to restore this drive to normal operations?

Replace failed disk and rebuild the array

You have been asked by Dion Training to build a specialized computer that will be used exclusively for video editing. Which of the following should you install to BEST meet the company's needs? (Select THREE.)

4 TB HDD (10,000 RPM)

Specialized video card

You are setting up a projector and a laptop for a big presentation in the Dion Training conference room. You start up the presentation software and mirror the laptop's display to the projector. The image on the screen from the projector is flickering intermittently, but the image on the laptop's display is working with no issues. You attempt to change the laptop's resolution to a lower setting and a higher setting, but still, the projector's flickering persists. Which of the following steps should you attempt NEXT?

Ensure the display cable is securely connected to both the laptop and the projector

A company is implementing biometric authentication for a secure access system. They want a method that analyzes physical traits visible from a distance to avoid the need for close-up interaction. Which biometric technology should they use?

Facial recognition

Dion Training's Chief Financial Officer (CFO) needs your help. His laptop has stopped working, and it will not power on. During your troubleshooting efforts, you have determined the motherboard has failed and needs to be replaced. Unfortunately, it will be a few days before a new motherboard arrives from your supplier. In the meantime, the CFO needs to get some spreadsheets containing the proposed budgets for a new project from the laptop to his desktop in his office. Which of the following actions should you perform to give the CFO access to the files he needs?

Remove the hard drive from the laptop, place it in an external USB enclosure, and connect it as a secondary drive to the CFOs desktop computer to copy the spreadsheets

The touch screen on your Windows 10 laptop is not working properly. You have been asked to troubleshoot the laptop. What should you check FIRST?

Digitizer settings

A client contacts the service desk because their laptop will not charge when plugged in. The client states that the laptop runs properly while connected to the wall outlet, but if they unplug it, then the laptop immediately powers off. Which of the following do you recommend to solve this issue?

Replace the battery

Dion Training Solutions wants to migrate their email server from an on-premise solution to a vendor-hosted web-based solution like Google Workspace or Gmail. Which of the following types of cloud models best describes this proposed solution?

SaaS

Which of the following types of wireless connections requires a pin to be entered as part of the pairing process before it is utilized?

Bluetooth

Which of the following ports should you unblock at the firewall if your workstation cannot access http://www.diontraining.com but can access https://www.diontraining.com?

80

What is the purpose of utilizing secure boot?

Provide security for the OS

Dion Training's office is outside of the service area for traditional business internet connectivity. Jason wants to ensure the office has a 1 Gbps connection to the office with under 10 ms of latency. To achieve this, he ordered a business class microwave service. Which of the following types of internet connection types did he order?

WISP

Using the image of the motherboard above, which of the following correctly indicates the circled area?

PCIe x4

A company hosts its e-commerce website on a cloud platform. During a flash sale, the website experiences a sudden increase in traffic, but the cloud service automatically adds resources to handle the load. What cloud characteristic is demonstrated in this scenario?

Elasticity

Which of the following ports should a client use to automatically request an IP address from the server?

67

Of the following laptop display types, which of them requires an inverter?

LCD

A technician is building a new computer for Dion Training. The technician installs the motherboard, processor, memory, hard drives, and case fans, then they attempt to connect the cables to the appropriate connections. When the technician powers on the system, the fans spin, and the motherboard’s LEDs light up. Unfortunately, the computer does not successfully complete the POST, and the monitor remains blank. Which of the following did the technician likely forget to connect to the motherboard?

CPU 8-pin power cable

You are installing some new hard drives in a legacy Novell NetWare server in a closed IPX network. The hard drive has a 4-bit set of jumpers that must be configured to represent the device's ID number (0-15) in the storage device chain. Which of the following types of connectors would you use for data transfer with these hard drives?

SCSI

Your company’s network has 33 computers that are directly connected to two switches using CAT 5e cables. The two switches are interconnected using a fiber cable with MTRJ connectors at the end of the cables. All 33 computers and the 2 switches are located within the same office building. Which of the following types of networks would best describe this network configuration?

LAN

Which type of wireless network utilizes the 5 GHz frequency band and reaches speeds of up to 54 Mbps?

802.11a

Your son accidentally knocked his laptop off his desk while it was charging. Your son picks up the laptop and notices that the laptop's battery will no longer charge. You begin to troubleshoot the problem to identify the cause. You ensure the laptop is connected to the power adapter and that the power adapter is plugged into a power outlet, but the laptop's battery will still not charge. Which of the following components was MOST likely damaged when the laptop was knocked off of the desk?

DC jack

You have installed and configured a new wireless router. The clients and hosts can ping each other. The network uses a fiber optic WAN connection with 1 Gbps throughput. The wired clients have fast connections, but the wireless clients are displaying high latency when a ping is performed. The wireless clients are also only receiving 300 Mbps when downloading files from the Internet. Which of the following is MOST likely the cause of the slow speeds experienced by the wireless clients?

The wireless access point is experiencing RF interference

You work for the city's Department of Motor Vehicles (DMV). There are five DMV locations spread out across the city that you have been asked to connect with a network. You have created a list of requirements for this network, including that it must be wired and support at least 1 Gbps of bandwidth. Which of the following network types would MOST likely be used for the DMV to connect their internal networks across the city securely?

MAN

The projector in the Dion Training conference room is creating a distorted image when in use. The technician measures the top of the screen at 72” wide and the bottom of the screen at only 66” wide. The technician checks the projector’s resolution and the resolution in the operating system’s display settings. They notice that they are both set correctly to HDTV (1920 x 1080) mode. Which of the following settings on the project should the technician adjust to fix this distortion?

Keystone

Which of the following types of expansion cards is this?

MINIPCIe

Jason's cellphone company allows him to use his smartphone as a wireless hotspot with his laptop when traveling. Jason notices that if he runs a speed test from his smartphone, the cellular connection is 8761 kbps. If he runs the same speed test connection from his laptop connected to his cellphone over its wireless hotspot, the speed drops to 243 kbps. Which of the following is the MOST likely cause for the drop in the speed test results?

The wireless hotspot feature is throttling the cellular connection speed

A student wants to run a Linux operating system on their Windows laptop to practice coding. They decide to use a Type II hypervisor for virtualization. What is a key characteristic of a Type II hypervisor?

It runs as an application on an existing operating system and uses the host’s resources

Which of the following network performance metrics is used to represent the round-trip time it takes for a packet to be sent by a device to a server and then a response received from that destination server?

Latency

A developer is using cross-platform virtualization to run a Linux-based development environment on a Windows machine. After updating the virtualization platform, the developer reports that the virtualized environment failed to launch. What should the technician do FIRST to resolve the issue?

Check the virtualization platform's compatibility with the new update

Josie in Human Resources was just issued a new laptop by Dion Training. When she plugs the laptop into the network's wall jack and turns it on, she receives an error message. She calls the service desk to report that the error message being displayed states, "There is an IP address conflict with another system on the network." You are working as a field service technician and have been asked to resolve this error. What should you do?

Configure the laptop's network connection to use DHCP instead of a static IP

A technician is upgrading the RAM in a desktop computer. The system originally had DDR3 RAM installed, but the technician wants to use DDR4 RAM. What must the technician verify before proceeding?

That the motherboard supports DDR4 RAM

During the process of replacing an SSD in a mobile device, which precaution is most important to protect the component from damage?

Wear an anti-static wrist strap and work on a surface that prevents electrostatic discharge

You are troubleshooting a computer that will not boot. You do not hear anything when you attempt to boot the computer, but you smell something that reminds you of burning plastic. Which of the following tools should you use to diagnose the problem with this computer?

Power supply tester

Using the image of the motherboard above, which of the following correctly indicates the circled area?

PCIe x1