Networking MCQ Questions and answers- Technical Aptitude

11

Which of the following network access standard is used for connecting stations to a packet-switched network?

A) X.3 B) X.21 C) X.25 D) X.75 E) None of the above

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Answer & Solution

Answer: Option C

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12

Interconnected networks need communication processors such as switches, routers, hubs, and gateways. Select the best fit for answer:

A) TCP/IP B) Protocol C) Open Systems D) Internetwork processor

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Answer & Solution

Answer: Option D

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13

A decrease in magnitude of current, voltage, a power of a signal in transmission between points, is known as

A) Attenuation B) Amplitude C) Aloha D) Carrier E) None of the above

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Answer & Solution

Answer: Option A

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14

The term "remote job entry" relates to

A) batch processing B) realtime processing C) transaction processing D) distributed processing E) None of the above

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Answer & Solution

Answer: Option A

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15

Which of the following performs modulation and demodulation?

A) fiber optic B) satellite C) coaxial cable D) modem E) None of the above

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Answer & Solution

Answer: Option D

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16

Data communications monitors available on the software market include

A) ENVIRON/1 B) TOTAL C) BPL D) Telenet E) None of the above

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Answer & Solution

Answer: Option A

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17

Which of the following statement is correct?

A) A spin stabilized satellite used solar cells mounted on a cylinder body that continuously rotates so that 40 a time and it also uses gyroscopic action of a spinning satellite to maintain its orientati B) A spin stabilized satellite uses solar panels whose cells are continually oriented toward the sun C) Satellite transponders use lower frequency reception of radiation from earth stations and higher frequency for transmission to earth stations. D) satellite transponders use a single frequency for reception and transmission from one point on earth to another E) None of the above

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Answer & Solution

Answer: Option A

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18

What is the default subnet mask for a class A network?

A) 127.0.0.1 B) 255.0.0.0 C) 255.255.255.0.0 D) 255.255.255.0 E) None of the above

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Answer & Solution

Answer: Option B

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19

When using the loopback address, if TCP/IP is installed correctly, when should you receive a response?

A) Immediately B) Only if the address fails C) After the next host comes online D) Within two minutes E) None of the above

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Answer & Solution

Answer: Option A

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20

Which of the following statement is correct?

A) Satellite transponders contain a receiver and transmitter designed to relay microwave transmissions from one point on earth to another. B) Satellite transponders contain a device that echos the radiation without change from one point on earth to another. C) Satellite transponder contains devices that transform the message sent from one location on earth to a different code for transmission to another location. D) Satellite transponders use 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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