Networking MCQ Questions and answers- Technical Aptitude

41

Telecommunications networks come in a wide range of speed and capacity capabilities. Select the best fit for answer:

A) Bandwidth alternatives B) Switching alternating C) Inter organizational networks D) Extranets E) None of the above

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Answer & Solution

Answer: Option A

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42

Which of the following statements is correct?

A) characteristic of the hub architecture of ARC-net is alternative routing. B) characteristic of LAN is unlimited expansion C) characteristic of LAN is low cost access for low bandwidth channels D) characteristic of the hub architecture of ARC-net is directionalized transmission E) None of the above

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Answer & Solution

Answer: Option D

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43

A modem is connected in between a telephone line and a

A) network B) computer C) communication adapter D) serial port E) None of the above

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Answer & Solution

Answer: Option C

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44

What frequency range is used for TV transmission and low power microwave applications?

A) Very Low Frequency : 3 kHz to 30 kHz B) Medium Frequency : 300 kHz to 3 MHz C) Ultra High Frequency : 300 MHz to 3000 MHz D) Super High Frequency : 3000 MHz to 30000 MHz E) None of the above

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Answer & Solution

Answer: Option C

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45

Which of the following statement is correct?

A) Satellite transponders use a higher frequency for reception of radiation from earth stations and lower frequency for transmission to earth stations. B) Satellite transponders contain a device that echos the radiation without change from one point on earth to another C) Satellite transponder contain devices that transform the message sent from one location on earth to a different code for transmission to another location D) satellite transponders us lower frequency reception of radiation from earth stations and higher frequency for transmission to earth stations E) None of the above

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Answer & Solution

Answer: Option A

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46

We can receive data either through our television aerial or down our telephone lines and display this data on our television screen. What is the general name given to this process?

A) Viewdata B) Teletext C) Telesoftware D) Videotex E) None of the above

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Answer & Solution

Answer: Option D

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47

ASK, PSK, FSK, and QAM are examples of _____ encoding.

A) digital-to-digital B) digital-to-analog C) analog-to-analog D) analog-to-digital E) None of the above

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Answer & Solution

Answer: Option B

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48

The data-link layer, in reference to the OSI model, specifies

A) data link procedures that provide for the exchange of data via frames that can be sent and received B) the interface between the X.25 network and packet mode device C) the virtual circuit interface to packet-switched service D) All of the above E) None of the above

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Answer & Solution

Answer: Option A

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49

What function does a serial interface perform in data communication?

A) Converts serial data into audio signals B) Converts analog signals into digital signals C) Converts parallel data into a stream of bits D) Decodes incoming signals into computer data E) None of the above

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Answer & Solution

Answer: Option C

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50

You need to determine whether IP information has been assigned to your Windows NT. Which utility should you use?

A) NBTSTAT B) NETSTAT C) IPCONFIG D) WINIPCFG E) PING

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Answer & Solution

Answer: Option C

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