CompTIA A+ 220-1201 Question A-24

Which of the following wireless standards is only capable of 5GHz frequencies?

A. 802.11a
B. 802.11ac
C. 802.11b
D. 802.11g

Correct Answer: A

CompTIA A+ 220-1201 Question A-23

Which of the following channels would commonly be used on an 802.11 wireless network?

A. 6
B. 17
C. 802
D. 8080

Correct Answer: A

CompTIA A+ 220-1201 Question A-22

A client has three locations within city limits that need to be networked. Vendor network requirements for all three locations are a minimum of 1GB. Which of the following are the types of networks that will MOST likely be used for internal office and office-to-office networking? (Choose two.)

A. MAN
B. LAN
C. WAN
D. PAN
E. SAN
F. WLAN

Correct Answer: AB

CompTIA A+ 220-1201 Question A-21

A technician is setting up a WiFi-enabled thermostat for a customer, but the customer is concerned about IoT devices getting hacked. Which of the following BEST address the customer’s concerns? (Choose two.)

A. Use the latest encryption standard on the wireless network and set a strong password.
B. Enable two-factor authentication for the IoT device’s cloud account, if it is available.
C. Separate the IoT thermostat by segregating it in a DMZ network.
D. Disable wireless access on the thermostat to make it unshakable.
E. Upgrade the customer’s router to the latest version to improve network security.
F. Upgrade the customer’s wireless network encryption to WPA.

Correct Answer: AC

CompTIA A+ 220-1201 Question A-20

A technician replaced a broken LED screen on a mobile computer. The operating system can be seen perfectly on screen, but the touch screen is non-responsive. Which of the following are the MOST probable root causes for the given failure? (Choose three.)

A. The hardware replacement used is a non-touch-screen.
B. The touch screen must be calibrated after a replacement.
C. The digitizer cable is not seated properly on the motherboard.
D. The new touch-screen drivers must be installed.
E. The replacement part is dead-on-arrival.
F. The LCD panel firmware must be updated.
G. The grounding screws are not securely attached.

Correct Answer: ACD

CompTIA A+ 220-1201 Question A-19

A user is unable to access websites and has reported connectivity issues with pop-ups on the screen. A technician removes malware, and then is able to ping the router and access the websites. Which of the following NEXT steps should the technician perform in troubleshooting this issue? (Choose two.)

A. Documents findings, actions, and outcomes.
B. Reboot the device to verify the fix.
C. Reconnect the device to the network.
D. Verify the settings in IPConfig.
E. Research the problem based on symptoms.
F. Run a virus scan.

Correct Answer: AF

CompTIA A+ 220-1201 Question A-18

A customer asks a technician to help set up a specialized computing system for video editing. Which of the following should the technician install on the workstation to BEST meet the customer’s specifications? (Choose two.)

A. SSD
B. Dual monitors
C. Gigabit NIC
D. Hypervisor
E. Docking station
F. NAS

Correct Answer: AB

CompTIA A+ 220-1201 Question A-17

A customer contacts the help disk stating a laptop does not remain charged for more than 30 minutes and will not charge more than 15%. Which of the following components are the MOST likely causes the issue? (Select three.)

A. LCD power inverter
B. AC adapter
C. Battery
D. Processor
E. VGA card
F. Motherboard
G. Backlit keyboard
H. Wireless antenna

Correct Answer: ABC

CompTIA A+ 220-1201 Question A-16

A server administrator set up a VM to be used in a lab setting. A technician is setting up thin-client computers to access this VM. Which of the following tasks are required to complete the project? (Choose three.)

A. Connect the device to a printer.
B. Install the operating system.
C. Install a USB keyboard and mouse.
D. Connect the device to the network.
E. Install the latest system updates.
F. Install the latest device drivers.
G. Connect the device to a monitor.
H. Install the necessary applications.

Correct Answer: D, E, H

CompTIA A+ 220-1201 Question A-15

A technician needs to routinely run scripting commands in Linux but does not want to walk over the server room every time to perform the task. The technician also travels between buildings and has a Windows 10 laptop with 4GB of memory and a fully partitioned 500GB hard drive. Which of the following steps should the technician take to resolve this issue? (Choose two.)

A. Increase the memory to 8GB.
B. Install a Linux guest VM.
C. Add another 500GB hard drive.
D. Create a Linux LiveBoot CD.
E. Repartition the hard drive.
F. Install Linux on a new ext3 partition.

Correct Answer: EF