[Free] New Updated (October) 220-801 CompTIA Real Exam 341-350

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QUESTION 341

Which of the following wireless networking standards operates at the SHORTEST distance?

 

A.

802.11a

B.

802.11b

C.

802.11g

D.

802.11n

 

Correct Answer: A

Explanation:

http://compnetworking.about.com/cs/wirelessproducts/f/wifirange.htm

 

 

QUESTION 342

Which of the following are characteristics of transferring data using fiber as the medium? (Select TWO).

 

A.

Fiber can transmit data the farthest distance without requiring a repeater

B.

Fiber is the least susceptible to EMI

C.

Fiber is the most susceptible to changes in temperature and humidity, which can cause varying transmission speeds

D.

Fiber can transmit power as well as data, which will lead to cost savings

E.

Fiber is the least expensive means of transmitting data

 

Correct Answer: AB

Explanation:

http://computer.howstuffworks.com/fiber-optic4.htm

 

 

QUESTION 343

Which of the following cable types has a MAXIMUM transmission rate of 100 Mb?

 

A.

CAT3

B.

CAT5

C.

CAT5e

D.

CAT6

 

Correct Answer: B

Explanation:

http://en.wikipedia.org/wiki/Category_5_cable

 

 

QUESTION 344

Which of the following cable types is commonly used for analog/digital television transmission?

 

A.

UTP

B.

CAT3

C.

RG-6

D.

SC

 

Correct Answer: C

Explanation:

http://www.bluejeanscable.com/articles/rg6.htm

 

 

QUESTION 345

Which of the following wireless standards has a transfer speed of 11 Mbps?

 

A.

802.11a

B.

802.11b

C.

802.11g

D.

802.11n

 

Correct Answer: B

 

 

QUESTION 346

Which of the following connection types uses an analog signal as a carrier to send and receive data?

 

A.

Cellular

B.

Dial-up

C.

Satellite

D.

WiMAX

Correct Answer: B

 

 

QUESTION 347

When using the file transfer protocol in active mode, which of the following ports is used to transfer a file?

 

A.

20

B.

23

C.

25

D.

115

 

Correct Answer: A

 

 

QUESTION 348

A user, Anne, is moving to a new cubicle and needs to have her analog desk phone switched to a new location. Which of the following tools are required for a technician to make this switch in the network closet?

 

A.

Multimeter

B.

Punchdown

C.

Cable tester

D.

Crimper

 

Correct Answer: B

 

 

QUESTION 349

Which of the following ratings describes a cable that is safe to run above a drop ceiling with open HVAC?

 

A.

Plenum rated

B.

CAT6 rated

C.

STP rated

D.

CAT5 rated

 

Correct Answer: A

 

 

QUESTION 350

Which of the following network devices provides LAN segmentation and allows for full duplex communication?

 

A.

Repeater

B.

Switch

C.

Hub

D.

Modem

 

Correct Answer: B

 

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