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CompTIA Network+ certification Questions and Answers

Question 17

In contrast to earlier Wi-Fi speeds, which of the following BEST describes the antenna and channelization properties used in 802.11n?

MIMO, DSSS

MIMO, OFDM

CSMA, DSSS

CSMA, CDMA

Question 18

Which of the following spreads out each of the individual wires of a UTP cable onto their own metal connector?

BNC connection

110 block

Plenum

LC connector

Question 19

Which of the following would be considered a Demarc extension?

A patch cable connecting a cable modem with a wireless router

Patch panel wiring

Punch down block wiring

Copper wire connecting the main PSTN point of entry to a wall data outlet

Question 20

Which of the following can MOST likely cause intermittent connection problems with a CAT5 network cable?

Cable has been looped too many times.

Cable has a twist tie attached too close to the connector.

Cable is too warm.

Cable is run too close to a fluorescent light.