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220-1101 Exam Dumps - CompTIA A+ Certification Exam: Core 1

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Question # 89

Which of the following 802.11 standards supports both 5GHz and 2.4GHz channel frequencies?

A.

802.11a

B.

802.11ac

C.

802.11b

D.

802.11g

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Question # 90

A technician is working on a critical warehouse machine that will not turn on. The technician has determined the power supply for the machine failed. The warehouse manager is looking for a solution that will prevent downtime in the future. Which of the following devices should the technician install to meet this requirement?

A.

Grounded power supply

B.

Modular power supply

C.

220V power supply

D.

Redundant power supply

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Question # 91

A systems administrator is attempting to resolve a ticket regarding an issue with an email server. The administrator is covering for a coworker who was previously working on the ticket. The coworker already gathered facts about the issue and spoke with users concerning their missing emails. The coworker also discovered the email server's retention policy was updated shortly before users first noticed the issue. Which of the following should the systems

administrator do NEXT to resolve the email issue?

A.

Escalate the ticket to a higher level to resolve the email server issue.

B.

Test a theory to determine the cause of the email server issue.

C.

Establish a theory of probable cause for the email server issue.

D.

Create a plan of action to resolve the email server issue.

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Question # 92

A technician is inspecting a projector that is displaying fuzzy images. Which of the following actions would provide the BEST solution?

A.

Adjusting the lens

B.

Changing the filter

C.

Replacing the video cable

D.

Reseating the lamp

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Question # 93

A technician has set up a new conference room with a TV and a video soundbar. The technician wants to test the system with a conference call. During the test, the TV speaker produces sound, but the soundbar does not. Which of the following is the MOST likely cause of the issue?

A.

The volume on the TV needs to be turned up.

B.

The conference call needs to be unmuted for audio.

C.

An incorrect HDMI cable is being used.

D.

The TV's HDMI-ARC port is not being used.

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Question # 94

Which of the following are default ports for HTTP and HTTPS traffic? (Select TWO).

A.

23

B.

25

C.

80

D.

143

E.

389

F.

443

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Question # 95

A network technician has been tasked with creating a patch cable. The RJ45 connectors will not slay attached to the cable. Which of the following tools Is needed to fix this Issue?

A.

Cable tester

B.

Crimper

C.

Punchdown tool

D.

Loopback plug

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Question # 96

A technician responds to a help desk ticket that indicates a user's workstation is not booting. The technician initially suspects a failed hard drive. The technician performs diagnostics and confirms the hard drive is fully operational.

Which of the following steps should the technician complete NEXT?

A.

Reinstall the operating system.

B.

Configure a new RAID array.

C.

Report the status of the drive and close the ticket.

D.

Consider another possible cause of the issue.

E.

Restore the latest backup of the system.

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