[Free] New Updated (October) 220-801 CompTIA Real Exam 241-250

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QUESTION 241

A technician is called to replace a network jack that has been damaged. Which of the following tools will the technician need to complete this task?

 

A.

Toner probe

B.

Multimeter

C.

Loopback plug

D.

Crimper

 

Correct Answer: D

Explanation:

http://www.computerhope.com/jargon/c/crimp.htm

 

 

QUESTION 242

A small business has a Terminal Services server that off-site employee’s access. The server is at an address of 192.168.20.10 and the local router is at 192.168.20.1. Which of the following would be the correct entries to enter into the router’s port forwarding to ensure that Terminal Services traffic is getting routed efficiently?

 

A.

Port 3389, Address 192.168.20.1

B.

Port 443, Address 192.168.20.1

C.

Port 3389, Address 192.168.20.10

D.

Port 443, Address 192.168.20.10

 

Correct Answer: C

Explanation:

For port forwarding you need to specify port 3389 and the address of the server.

 

 

QUESTION 243

When comparing DSL broadband to cable broadband, which of the following is an advantage of DSL broadband?

 

A.

Upgraded copper lines allow maximum speed greater than cable

B.

Signal is not shared back to the switch

C.

Signal is shared back to the switch

D.

Distance is not a factor in signal speed

 

Correct Answer: B

Explanation:

A digital subscribers line is not shared back to the switch unlike Cable broadband network.

 

 

 

 

QUESTION 244

When computers are connected on a network in a manner where the data flows to a central point and then back out describes which of the following networks?

 

A.

Ring

B.

Mesh

C.

Star

D.

Hybrid

 

Correct Answer: C

Explanation:

http://en.wikipedia.org/wiki/Star_network

 

 

QUESTION 245

Which of the following cable types would be the BEST option to transmit video 2000 feet (609.6 meters) without the use of a repeater?

 

A.

RG-59

B.

Fiber

C.

CAT6

D.

RG-6

 

Correct Answer: B

Explanation:

http://computer.howstuffworks.com/fiber-optic.htm

 

 

QUESTION 246

A technician is given a task of terminating a bundle of CAT5 cables that have not been labeled. Which of the following tools will be the BEST to perform this job task?

 

A.

Crimper, multimeter

B.

Crimper, cable tester, toner probe

C.

Crimper, cable tester

D.

Crimper, toner probe, multimeter

 

Correct Answer: B

Explanation:

You need a crimper, cable tester and a toner probe to terminate a bundle of CAT5 cables. Crimper will crimp RJ-45 to a CAT5 cable. You can check the cable with cable tester and a toner probe.

 

 

QUESTION 247

Which of the following wireless technologies is primarily setup for video/audio and the frequency is 5 GHz?

 

A.

Cellular

B.

802.11a

C.

802.11b

D.

Satellite

 

Correct Answer: B

Explanation:

http://compnetworking.about.com/cs/wireless80211/g/bldef_80211a.htm

 

 

QUESTION 248

Joe, a home user, reports that on occasion he cannot print from his laptop to his wireless printer. The problem seems to occur only when Joe is at one end of his home. A technician checks the signal strength of the laptop in that location and finds it to be good. The technician notes that Joe’s router is using the default SSID with no encryption. Which of the following could be the issue?

 

A.

The printer drivers need to be updated on the laptop.

B.

The wireless printer does not have wake on LAN set properly.

C.

The laptop is picking up another router with default settings.

D.

The wireless network needs to have encryption turned on in order to print.

 

Correct Answer: C

Explanation:

If you keep the default SSID without encryption, your wifi can get mixed with another WIFI with default settings. To avoid this problem, create a unique SSID with strong encryption so it doesn’t get mixed up in the air.

 

 

QUESTION 249

Which of the following would a technician need to setup a cable modem at a customer’s home? (Select TWO).

 

A.

Coaxial

B.

CAT5e

C.

PVC

D.

Plenum

E.

Fiber

 

Correct Answer: AB

Explanation:

You need a coaxial cable that carrier TV and internet signals. Attach it to a cable modem and then use CAT5e to connect the computer to the modem.

 

 

QUESTION 250

Which of the following IEEE 802.11 standards operates natively in both the 2.4Ghz and 5Ghz spectrum?

 

A.

802.11a

B.

802.11b

C.

802.11g

D.

802.11n

 

Correct Answer: D

Explanation:

http://en.wikipedia.org/wiki/IEEE_802.11#802.11n

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