Free Access CompTIA.220-1101.v2023-03-28.q32 Practice Test (Page 5)

Question 16

Which of the following standards supports MIMO technology?

A.802.11n

B.802.11a

C.802.11g

D.802.11b

Question 17

Which of the following network devices is used to separate broadcast domains?

A.Wireless access point

B.Hub

C.Switch

D.Router

Question 18

A user's mobile phone gets really hot to the touch and does not retain a charge. The user also reports that the phone is very slow, especially while charging. Which of the following is MOST likely causing these symptoms?

A.Defective battery

B.CPU overheating

C.Broken charging port

D.Digitizer failure

Question 19

A Wi-Fi mesh network has been optimized to eliminate poor coverage areas, yet users still experience decreased bandwidth and connectivity issues. Which of the following actions should the technician take NEXT?

A.Turn off broadcasting of the SSID on the mesh network so that other networks cannot see it.

B.Relocate any large, dense, solid, and metal objects, such as mirrors and file cabinets, in the mesh network coverage area to the perimeter so that wireless reflections, absorptions, and occlusions are minimized.

C.Use a Wi-Fi analyzer to determine whether the channel in use is overcrowded and to identify which channel the mesh network should use for best performance.

D.Use the signal strength indicator on a mobile device to roam the coverage area and generate a heat map to isolate zones with weak signals.

Question 20

A technician powers on a PC and its monitor and sees the following error message:
No input signal detected
The display lights on the computer are on. Which of the following is a possible solution?

A.Changing the BIOS settings

B.Checking the power plug on the monitor

C.Changing the connector setting on the monitor

D.Checking the power plug on the PC

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