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计算机考试 | CompTIA认证考试

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单选题 A VPN connection is not working correctly and the technician is unable to ping the VPN server. Which of the following actions should the technician do FIRST?()

A

Call their local ISP

B

Verify the IP information of the server

C

Check their local Internet connection

D

Verify the hostname of the server

单选题 Which of the following should be configured to provide priority to voice traffic?()

A

Port mirroring

B

DMZ

C

Qos

D

Trunking

单选题 After testing a new 100BaseTX cable, the technician determines that only pairs 4, 5, 7, and 8 are straight-thru wires. Which of the following MOST likely describes this cable type?()

A

Crossover cable with open pairs

B

Crossover cable

C

Rollover cable

D

Straight-thru cable with open pairs

单选题 A technician is working on a SOHO wireless network and notices that the wireless adaptor in the laptop shows excellent connection at 11Mbps. The technician has a wireless N adaptor. Which of the following would BEST describe this connection speed?()

A

The laptop is too far away from the WAP.

B

The WAP is using 802.11a frequencies.

C

The laptop is only set to allow 802.11n connections.

D

The technician is on an 802.11b network.

单选题 Which of the following LAN technologies is defined as fast Ethernet?()

A

10Base-T

B

100Base-T

C

100Base-FX

D

1000Base-T

单选题 Which of the following would MOST likely be used with multimode fiber?()

A

10GBase-LR

B

10GBase-T

C

10GBase-ER

D

10GBase-SR

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