Midterm CompTIA A+ Quiz Flashcards

You are troubleshooting a legacy network device that uses an RS-232 serial connection for management. The device is not responding to commands sent from your laptop. After verifying that the serial cable is securely connected, which of the following actions would BEST help you analyze and resolve the issue?

A) Update the device's firmware using a USB flash drive to bypass the serial connection.

B) Check the COM port settings in your OS to ensure they match the device's communication parameters.

C) Replace the RS-232 serial cable with a VGA cable to test if the issue is with the cable type.

D) Use a PS/2-to-serial adapter to connect the device to your laptop's keyboard port for input.

B) Check the COM port settings in your OS to ensure they match the device's communication parameters.

Which of the following BEST describes a key feature of the DisplayPort interface that is used for connecting video monitors to computers?

A) DisplayPort carries both analog and digital signals.

B) DisplayPort can send both video and audio signals over the same cable.

C) DisplayPort is electrically equivalent to DVI and HDMI.

D) DisplayPort utilizes the same connectors as HDMI.

B) DisplayPort can send both video and audio signals over the same cable.

A curious teenager opens up a desktop case and looks at all the components inside to see how they connect. The teenager is currently looking at a mainstream interface for a modern adapter card. What is the teenager most likely looking at?

A) SATA

B) eSATA

C) PCIe

D) PCI

C) PCIe

Which of the following is a key advantage of Thunderbolt compared to standard USB interfaces?

A) It provides faster wireless connectivity.

B) It only works with Apple devices.

C) It can daisy-chain multiple devices through a single port.

D) It is smaller than USB-C.

C) It can daisy-chain multiple devices through a single port.

What distinguishes the M.2 interface from SATA regarding power requirements?

A) The M.2 interface only supports low-power devices that do not require an external power source.

B) The M.2 interface requires a separate Molex connector for power.

C) The M.2 interface requires a SATA power cable for functionality.

D) The M.2 interface supplies power over the bus.

D) The M.2 interface supplies power over the bus.

You are installing a new SATA hard drive in your Windows workstation. Which of the following connectors should you use to connect your hard drive to the motherboard?

A) 50-pin connector

B) 40-pin connector

C) 7-pin connector

D) 80-pin connector

C) 7-pin connector

What trade-off should users understand when considering Mini-LED displays compared to OLED displays?

A) Mini-LED significantly reduces manufacturing complexity and always costs less than simpler LCD technologies.

B) Mini-LED uses fewer lighting zones than standard LED displays, which decreases brightness.

C) Mini-LED improves brightness and reduces blooming but cannot produce true blacks like OLED.

D) Mini-LED eliminates the need for backlighting while maintaining perfect black levels across all pixels.

C) Mini-LED improves brightness and reduces blooming but cannot produce true blacks like OLED.

A technician is building out a new desktop PC and is trying to connect the hard drive and ensure it has power. In a more modern system, which cable will provide power?

A) Molex

B) 7-pin

C) 15-pin

D) eSATA

C) 15-pin

A medium-size company has a fleet of standard computers that are several years old. A clever manager has realized that most components are fine, but upgrading the RAM will make a significant impact, and users will be happier. They also want to give the appearance that they bought completely new desktops, so they will buy new cases with the memory upgrade. Which of the following cases should they purchase?

A) mATX

B) ITX

C) SFF

D) ATX

D) ATX

A gamer wants to build a new desktop completely from scratch, and the standard regular case has just come in. Which type of motherboard should the gamer order?

A) ITX

B) mATX

C) RAID

D) ATX

D) ATX

How do dual-channel and quad-channel memory configurations improve system performance?

A) By increasing the storage capacity of each individual DIMM

B) By automatically adjusting RAM speeds to match the CPU

C) By enabling simultaneous access to multiple memory modules

D) By allowing more power to flow to each RAM module

C) By enabling simultaneous access to multiple memory modules

A technician uses a connector that carries visual displays from a personal computer to the monitor. It consists of a cable and connector that is usually blue. What is this called?

A) eSATA

B) DVI

C) Molex

D) VGA

D) VGA

A technician researches flat-screen displays to find the perfect model for a conference room. The screen should feature a high viewing angle as the conference room is wide. Which technology does the technician look for when purchasing a flat-screen display?

A) IPS

B) OLED

C) VA

D) LED

A) IPS

A firm has asked a forensics expert to review the contents of an older SCSI system. However, before acquiring the system, the components were separated to obscure the information on the system. What should the forensics expert do to the first device on the SCSI bus?

A) Terminate.

B) Allocate to ID 0.

C) Configure to unique ID of 15.

D) Configure to unique ID of 7.

A) Terminate.

Which of the following statements BEST describes the function and characteristics of a serial port?

A) A serial port uses a 15-pin interface and is primarily used for connecting video devices to computers.

B) A serial port supports high-speed data transmission rates similar to USB and is widely used in modern computing for connecting external modems.

C) A serial port is a legacy connection interface that transmits data one bit at a time over a single wire and is known as Recommended Standard #232 (RS-232).

D) A serial port transmits data one bit at a time over a single wire and is commonly used for connecting modern USB devices.

C) A serial port is a legacy connection interface that transmits data one bit at a time over a single wire and is known as Recommended Standard #232 (RS-232).

A technician is looking at SATA interface specifications and notices a particular key associated with it. A technician usually keys a SATA interface SSD as what?

A) B/M

B) M

C) B

D) M.2

C) B

Where should you apply the thermal paste when installing a processor?

A) Between the heat sink and CPU

B) Between the motherboard and CPU

C) Between the heat sink and fan

D) Between the CPU and fan

A) Between the heat sink and CPU

Which of the following refers to placing two or more processors in a single processor chip?

A) Hyper-threading

B) Multi-threading

C) Multi-core

D) Multi-processor

C) Multi-core

Which storage device uses aluminum platters for storing data?

A) SD card

B) DVD disc

C) CD-ROM disc

D) Hard disk

E) DLT tape

D) Hard disk

Why is the x86 architecture preferred for desktops and servers?

A) It prioritizes power efficiency and uses a simplified instruction set.

B) It supports a larger instruction set for complex operations and general-purpose tasks.

C) It eliminates the need for cache memory by relying solely on main memory.

D) It is designed exclusively for embedded systems and mobile devices.

B) It supports a larger instruction set for complex operations and general-purpose tasks.

What is the purpose of installing identical memory modules in corresponding slots of a dual-channel motherboard?

A) To enable dual-channel mode, which improves memory performance

B) To ensure the system only uses one memory channel

C) To allow modules with different speeds and capacities to work together seamlessly

D) To increase the memory capacity without impacting performance

A) To enable dual-channel mode, which improves memory performance

A computer engineer is designing a custom new gaming laptop and is currently designing power output and connections. Which rail is the most important to consider?

A) 12V

B) 120V

C) 5V

D) 3.3V

A) 12V

A server administrator is looking at older physical servers and notices that while a key web server is in a RAID configuration, no redundancy is available. What type of RAID is this?

A) 10

B) 0

C) 5

D) 1

B) 0

A PC technician is researching why memory is not performing as expected when installing quadruple channel memory. What should the technician also check? (Select all that apply.)

A) Check for mismatched modules.

B) Check for bad RAM.

C) Check for flex mode.

D) Make sure the full complement is installed.

A) Check for mismatched modules.

C) Check for flex mode.

D) Make sure the full complement is installed.

An amateur videographer starts a business that films sports games and wants to use memory cards with the highest speed. Which of the following meets the customer's needs?

A) UHS-II full duplex

B) FD624

C) FD312

D) UHS-II half duplex

B) FD624

You have an AMD processor and an Intel processor with the same speed rating. Which statement is true about their relative performance?

A) Performance depends on other factors, such as cache and other features.

B) The AMD processor performs better than the Intel processor.

C) The Intel processor performs better than the AMD processor.

D) Both processors perform at about the same level.

A) Performance depends on other factors, such as cache and other features.

Which of the following statements is true? (Select two.)

A) 32-bit processors use only the IA-32 instruction set (also referred to as x86).

B) 64-bit processors use the x86-64 instruction set (also referred to as x64).

C) 32-bit applications can only run on 32-bit processors.

D) x64 processors execute only 64-bit instructions in the hardware.

E) 32-bit applications can run on 64-bit processors if the BIOS/UEFI is set correctly.

A) 32-bit processors use only the IA-32 instruction set (also referred to as x86).

B) 64-bit processors use the x86-64 instruction set (also referred to as x64).

A systems technician builds a graphics system with the best possible parts. The RAM appears to be the same, but what could the technician use to differentiate between the best ones?

A) Transfer rate

B) PC-# value

C) Timing

D) RAM type

C) Timing

A helpdesk technician is diagnosing a laptop and determines that the RAM has gone bad. The technician should replace it with what type of memory?

A) SODIMM

B) Swap space

C) DIMM

D) Pagefile

A) SODIMM

A technician installs a type of computer memory into a laptop built using integrated circuits. What is this called?

A) SODIMM

B) ECC RAM

C) DDR5

D) Virtual RAM

A) SODIMM

Which of the following will ensure optimal system cooling? (Select three.)

A) Remove the side panel on the case.

B) Keep the ambient temperature below 80 degrees F.

C) Leave space between the case and any walls or obstructions.

D) Bundle cables together and secure unused cables to the case.

E) Stack hard drives next to each other.

F) Remove unused expansion slot covers to increase airflow.

B) Keep the ambient temperature below 80 degrees F.

C) Leave space between the case and any walls or obstructions.

D) Bundle cables together and secure unused cables to the case.

Which of the following central processing unit (CPU) architectures implement a system-on-chip (SoC) where all the controllers are part of the CPU?

A) x86

B) x64

C) ARM

D) IA-32

C) ARM

An avid technical enthusiast recently purchased an ENERGY STAR 80 PLUS mining rig operating on a 500W supply. How much power should the enthusiast estimate the mining rig to use?

A) 400W

B) 200-300W

C) 500W

D) 625W

D) 625W

Jessica is concerned about losing data due to a hard disk failure, and her computer only supports three disks. Which RAID type would give her the BEST mirrored data protection?

A) RAID 5

B) RAID 1

C) RAID 0

D) RAID 10

B) RAID 1

Which of the following factors is most important when choosing a power supply for a PC?

A) The type of cooling system

B) The color of the PSU

C) The wattage rating of the PSU

D) The number of USB ports

C) The wattage rating of the PSU

When configuring fan settings in the UEFI setup program, which option prioritizes quieter operation over cooling performance?

A) Cool

B) Balanced

C) Quiet

D) Fanless

C) Quiet

A user's computer uses a DVI cable and a display with built-in audio, but lacks audio. What is the cause of the issue?

A) Failing monitor circuitry

B) Output resolution mismatch

C) Using an incorrect cable type

D) Outdated audio drivers

C) Using an incorrect cable type

Which step is crucial to ensure that overheating is not the cause of performance issues in a computer system?

A) Verify component compatibility

B) Monitor temperature sensors and fan speeds

C) Use diagnostic tests to compare CPU baselines

D) Rule out operating system issues

B) Monitor temperature sensors and fan speeds

To optimize the cooling system of an overheating workstation via UEFI settings, what action should you take?

A) Configure duty cycle settings to a higher percentage

B) Set cooling to Quiet

C) Use third-party apps for fan control

D) Disable USB ports

A) Configure duty cycle settings to a higher percentage

What boot option do you configure on PCs to have them get their boot settings from a network server?

A) Network/PXE

B) Fixed disk

C) Optical drive

D) USB

A) Network/PXE

How do you configure a system to boot from a USB drive instead of the internal hard drive?

A) Format the internal hard drive

B) Access UEFI setup and prioritize the USB drive in the boot sequence

C) Connect the USB and restart without changes

D) Disable the internal hard drive in UEFI

B) Access UEFI setup and prioritize the USB drive in the boot sequence

What is the primary purpose of implementing Secure Boot in a UEFI-based system?

A) Prevent unauthorized access to UEFI settings

B) Enable booting from multiple operating systems

C) Increase boot speed by skipping checks

D) Ensure only trusted and signed software is loaded during boot

D) Ensure only trusted and signed software is loaded during boot

A server with multiple RAID volumes displays an "OS not found" error upon reboot, though drives are active. What could cause this?

A) The second volume is booting first

B) The bootable device cannot be found

C) The first volume may be corrupted

D) All of the above

D) All of the above

A user complains their monitor dims every day at 5:30pm. What could fix this problem?

A) Adjust resolution

B) Adjust contrast

C) Submit display for warranty repair

D) Turn off the auto-dim feature

D) Turn off the auto-dim feature

When evaluating a computer with disk/file corruption problems, what issue is most likely occurring as a result?

A) No power

B) Capacitor swelling

C) Application crash

D) Inaccurate system date/time

C) Application crash

Which action fixes a fuzzy display image caused by a resolution mismatch?

A) Use a screensaver

B) Change the output resolution

C) Update the display driver

D) Secure video cables

B) Change the output resolution

When troubleshooting boot sector issues, which step is essential to ensure the system boots from the correct drive?

A) Inspect the power supply

B) Update system firmware

C) Check keyboard connection

D) Verify boot order in UEFI/BIOS settings

D) Verify boot order in UEFI/BIOS settings

How would desktop support personnel determine if a hard disk drive (HDD) suffers from a mechanical issue?

A) Missing drive in OS

B) Clicking noises or grinding platters

C) High IOPS

D) Low power usage

B) Clicking noises or grinding platters

A network administrator gets a "boot device not found" error on a Windows Server VM. What action can resolve this?

A) Repair the MBR or EFI bootloader

B) Reduce IOPS

C) Use SMART to repair the HDD

D) Format the VM drive

A) Repair the MBR or EFI bootloader

An entry-level RAID controller might not support which of the following RAID types due to controller limitations?

A) RAID 0

B) RAID 1

C) RAID 5

D) RAID 0 and RAID 1

C) RAID 5

Which of the following wireless networking standards uses a frequency of 5 GHz and supports data transmission speeds up to 2.6 Gbps?

A) 802.11ac

B) 802.11g

C) 802.11b

D) 802.11a

E) 802.11n

A) 802.11ac

What improvements does Bluetooth 5 offer compared to previous versions?

A) Compatibility with RFID for tracking and inventory control

B) Reduced range and speed for energy savings

C) Increased range, speed, and messaging capacity with improved power efficiency

D) Higher speeds and larger range at the expense of battery life

C) Increased range, speed, and messaging capacity with improved power efficiency

Which of the following BEST describes how a switch functions?

A) It connects multiple cable segments for different architectures and translates data packets to broadcast them to all connected hosts.

B) It connects multiple cable segments or devices and broadcasts data packets to all of its connected hosts.

C) It connects multiple cable segments for different architectures and translates data packets to forward them to the appropriate host.

D) It connects multiple cable segments or hosts and forwards data packets to the appropriate host.

D) It connects multiple cable segments or hosts and forwards data packets to the appropriate host.

What does a dBm measurement represent?

A) The bandwidth capacity of the network

B) The amount of power output by the Wi-Fi analyzer

C) A measurement of the device's battery level

D) A signal strength ratio compared to 1 milliwatt (mW)

D) A signal strength ratio compared to 1 milliwatt (mW)

You are assisting a user who wants to connect their smartwatch, wireless earbuds, and smartphone to share data and receive notifications seamlessly within a short range without relying on external networks. Which type of network would BEST meet the user's needs?

A) Personal Area Network (PAN)

B) Metropolitan Area Network (MAN)

C) Local Area Network (LAN)

D) Wide Area Network (WAN)

A) Personal AreaNetwork (PAN)

You are tasked with setting up a network in a small office that requires the use of security cameras and VoIP phones while minimizing the need for additional power outlets and cables. Which type of switch would BEST meet the office's requirements?

A) Unmanaged Switch

B) Patch Panel

C) Managed Switch without PoE

D) Managed Switch with PoE

D) Managed Switch with PoE

You are using a crimper to attach an RJ-45 connector to a Cat 6 UTP cable using the T568A standard. Which wire should you connect to pin 1?

A) Blue

B) Orange with white

C) Green

D) Green with white

D) Green with white

Which of the following technologies does the 802.11ac wireless networking standard use to provide increased bandwidth and communication speeds? (Select two.)

A) Dual-band transmission to allow data to be transmitted at two frequencies at the same time

B) Channel bonding to combine more channels in the 5 GHz band to allow more than double the bandwidth

C) Peer-to-peer mode to allow each host to communicate directly with other hosts

D) MU-MIMO to allow multiple users to access the same channel

E) OFDM modulation to allow several parallel data channels to stream data

B) Channel bonding to combine more channels in the 5 GHz band to allow more than double the bandwidth

D) MU-MIMO to allow multiple users to access the same channel

Which type of wireless technology increases bandwidth for a home wireless network by using multiple antennae for both the transmitter and receiver?

A) MIMO

B) Channel bonding

C) Radio waves

D) Long-range

A) MIMO

A network technician installs wireless access points (APs) in an office and would like to use power over Ethernet (PoE) to power the APs, but the current network infrastructure is not capable of doing this. What would the technician need to install to augment the power requirements?

A) Patch panel

B) Managed switch

C) Firewall

D) Power injector

D) Power injector

What does an Ethernet switch use to forward frames to the correct destination?

A) MAC address

B) IP address

C) VLAN ID

D) Port number

A) MAC address

A college that has several campuses located in different parts of the city has hired a network technician. What type of network will the technician most likely be working on?

A) Wi-Fi

B) MAN

C) LAN

D) WAN

B) MAN

A network technician used a tool that energizes each wire in a cable, and the LED on the tool did not light up for some wires, indicating a break or fault. What tool was the technician using?

A) Tone generator

B) Loopback plug

C) Cable tester

D) Toner probe

C) Cable tester

Which of the following terms refers to a network resource-sharing model that uses access control lists saved on each computer?

A) Client/server

B) Extranet

C) Intranet

D) Peer-to-peer

D) Peer-to-peer

Each Ethernet network interface card (NIC) port has a unique hardware/physical identifier used for network routing and switching. What is this unique hardware or physical identifier?

A) Service set identifier

B) VLAN ID

C) Internet protocol address

D) Media access control address

D) Media access control address

A technician is assisting the CISO in wirelessly transferring data between their smartwatch and their corporate PC over a limited range. What network method is being used?

A) LAN

B) Wi-Fi

C) PAN

D) WLAN

C) PAN

A penetration tester must infiltrate a company's facility to capture all the network traffic from a particular set of PCs over a physical network cable by accessing the IDF closets. What tool can the tester utilize to accomplish their goal?

A) Toner probe

B) Network tap

C) Wi-Fi analyzer

D) Cable tester

B) Network tap

You are an IT consultant tasked with designing a network for a company that has multiple offices spread across a single metropolitan area while maintaining high-speed communication and centralized management. Which type of network would BEST suit the company's needs?

A) Metropolitan Area Network (MAN)

B) Personal Area Network (PAN)

C) Wide Area Network (WAN)

D) Local Area Network (LAN)

A) Metropolitan Area Network (MAN)

A system administrator has a patch cable with a broken RJ45 jack and needs to affix a new jack to the cable. What instrument should be used?

A) Crimper

B) Punchdown tool

C) Loopback plug

D) Cable stripper

A) Crimper

You recently purchased a digital HD antenna to connect to your television. Which of the following is the type of coaxial cable connector you need to make the connection?

A) UTP

B) F-type

C) EMI

D) BNC

B) F-type

A network administrator troubleshoots a video conferencing application that experiences minor glitches but requires minimal overhead and speed. Which protocol is MOST likely used? A) TCP B) SSH C) HTTPS D) UDP

D) UDP

What type of network connection protocol tunnels traffic to provide a secure connection utilizing encryption and authentication technology? A) SNMP B) VPN C) VLAN D) DLP

B) VPN

Hosts and routers that can operate on IPv4 and IPv6 simultaneously are called what? A) Global address B) Dynamic C) Link-local D) Dual stack

D) Dual stack

Several network devices are unable to connect to the internet and have IP addresses in the 169.254.x.x range. What is the MOST likely cause? A) Misconfigured DNS server B) DHCP scope ran out of available IP addresses C) Devices using static IP conflicts D) Incorrect subnet mask

B) DHCP scope ran out of available IP addresses

Which of the following identify an IPv6 address's prefix component? (Select two.) A) First quartet B) Last 64 bits C) First 64 bits D) First four quartets E) Last four quartets F) Last quartet

C) First 64 bits and D) First four quartets

While setting up a home office, a technician disables the DHCP service on the office router but does not want to rely on link-local addressing. Which IP addressing method should they use? A) APIPA B) Static C) Dynamic D) Alternate

B) Static

Why would a DNS server have AAAA and A resource records? A) To resolve IPv4 and IPv6 client queries B) To identify an email server C) To enable RDP D) To store free-form text records

A) To resolve IPv4 and IPv6 client queries

What is the primary purpose of the Address Resolution Protocol (ARP) in the TCP/IP model? A) Manage high-level application protocols B) Resolve MAC addresses associated with IP addresses C) Assign IP addresses D) Ensure reliable data delivery

B) Resolve MAC addresses associated with IP addresses

Which protocol makes a secure connection to the graphical interface of another computer and uses TCP port 3389? A) Remote Desktop Protocol B) TFTP C) SNMP D) SMB

A) Remote Desktop Protocol

What is one disadvantage of a wireless internet service provider (WISP) using directional antennas? A) Phased array B) Limited range C) Latency D) Line of sight

D) Line of sight

What is the default port for secure POP3/IMAP (POP3S/IMAPS)? A) TCP port 143 or 110 B) TCP port 80 or 443 C) TCP port 993 or 995 D) TCP port 25 or 587

C) TCP port 993 or 995

You need to ensure that devices on your local network can communicate with external networks like the Internet. What device should you configure next? A) DSL splitter B) Router C) Cable modem D) Switch

B) Router

When communicating with electrical signals or pulses of light, what standard do cable-based copper and fiber local area networks use? A) IEEE 802.3 B) IEEE 802.11 C) TIA/EIA-568 D) RS-232

A) IEEE 802.3

A company wants to redirect traffic from an acquired company's website to its own without maintaining two websites. Which DNS record type should they use? A) MX Record B) AAAA Record C) A Record D) CNAME Record

D) CNAME Record

What type of TXT record uses cryptography to validate the source server of a given email to help recipient servers reject spoofed messages and spam? A) SPF B) MX C) DKIM D) AAAA record

C) DKIM

Which of the following describes the part of the IPv6 address that identifies the subnet? A) Interface ID B) Network ID C) First quartet in prefix D) Last quartet in interface ID

B) Network ID

Which of the following BEST describes the primary characteristic of Fiber to the Curb (FTTC) and Fiber to the Premises (FTTP) internet connections? A) They rely on fiber optic cables to deliver high-speed internet connections. B) They are exclusively used for cellular. C) They use coaxial cables. D) They use legacy copper telephone lines.

A) They rely on fiber optic cables to deliver high-speed internet connections.

Which of the following best describes the advantages of Asymmetrical Digital Subscriber Line (ADSL) over SDSL for home users? A) SDSL is more cost-effective. B) SDSL provides faster downlink speeds. C) ADSL offers equal uplink and downlink speeds. D) ADSL provides faster downlink speeds suitable for typical home usage patterns.

D) ADSL provides faster downlink speeds suitable for typical home usage patterns.

Which Transport layer protocol provides reliable, ordered, and error-checked data delivery through acknowledgments and retransmissions? A) UDP B) TCP C) ICMP D) IP

B) TCP

Devices receiving an IP address in which range indicate that they could not obtain an IP address from the DHCP server (APIPA)? A) 10.0.x.x B) 192.168.x.x C) 169.254.x.x D) 172.16.x.x

C) 169.254.x.x

You are an IT technician troubleshooting a limited connectivity issue for a single user in an office environment. The user cannot access the internet but can access local network resources, and the network adapter has an IP address in the range of 169.254.x.x. What is the MOST likely cause?

A) The network cable is damaged.

B) The user's computer has a faulty network adapter.

C) The switch port is misconfigured.

D) The DHCP server is not assigning an IP address.

D) The DHCP server is not assigning an IP address.

You are assessing a smart home system where the hub connects to the Wi-Fi network and IoT devices communicate using the Zigbee protocol. What potential security risk should you prioritize?

A) Physical tampering with smart devices

B) Unauthorized access to the Wi-Fi network through the hub/control system

C) Insufficient data storage capacity for logs

D) Data interception due to the low-power nature of Zigbee

B) The risk of unauthorized access to the Wi-Fi network through the hub/control system

A user reports slow network speeds while transferring files, and you notice the user's network adapter and switch port are set to different duplex modes. What should you do?

A) Replace the network cable with a shielded one

B) Set both the network adapter and switch port to auto-negotiate

C) Disable and re-enable the network adapter

D) Update the firmware on the switch

B) Set both the network adapter and switch port to auto-negotiate

Appliances do not store credentials to authenticate clients within a network acting as transit points. Where are these credentials held for network authentication?

A) Switches and access points

B) Syslog

C) Spam gateways

D) AAA server

D) AAA server

A security technician is installing a doorbell/video entry system so a customer can communicate with visitors remotely. What kind of device is this?

A) Hub and control system

B) Zigbee

C) OT

D) Smart device

D) Smart device

An administrator is troubleshooting a control server running as software on ordinary computers in a large-scale, multiple-site Industrial Control System (ICS). What system is this?

A) Embedded system

B) Internet of Things (IoT) devices

C) Load balancer

D) Supervisory control and data acquisition (SCADA)

D) Supervisory control and data acquisition (SCADA)

A web developer needs to create a correctly structured secure URL with protocol HTTPS, host www.examplecompany.com, and file path /products/new-product.html. Which component structure is correct?

A) www.examplecompany.com/products/new-product.html

B) http://www.examplecompany.com/products/new-product.html

C) https://www.examplecompany.com/products/new-product.html

D) /products/new-product.html

C) https://www.examplecompany.com/products/new-product.html

An energy company is upgrading its systems across multiple sites to control them with software communicating with current PLCs and new RTUs. What kind of system is this?

A) SCADA

B) ICS

C) Embedded system

D) OT

A) SCADA

A technician troubleshoots an authentication, authorization, and accounting (AAA) system. What component is responsible for requesting access?

A) AAA server

B) Proxy server

C) The supplicant

D) Syslog

C) The supplicant

Which component in an authentication, authorization, and accounting (AAA) server setup does not store credentials but acts as a transit forwarding data between devices?

A) RADIUS

B) Supplicant

C) AAA

D) NAP

D) NAP