Network Administration Questions

Q:

What is passive topology?

Answer

When the computers on the network simply listen and receive the signal, they are referred to as passive because they don’t amplify the signal in any way.


Example forpassive topology - linear bus.

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Q:

List the steps involved in creating the checksum.

Answer

- Divide the data into sections


- Add the sections together using 1's complement arithmetic


- Take the complement of the final sum, this is the check sum

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Q:

Explain the function of Transmission Control Block

Answer

A TCB is a complex data structure that contains a considerable amount of information about each connection

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Q:

In OSI network architecture, the routing is performed by

A) transport layer B) session layer
C) network layer D) data link layer
 
Answer & Explanation Answer: C) network layer

Explanation:

in_osi_network_architecture_the_routing_is_performed_by1553604163.jpg image

 

In networking, the Open Systems Interconnection is commonly called as OSI model. It has a 7 layer architecture for the communication.

 

In OSI network architecture, the routing is performed by network layer which is layer number 3 with the help of intermediate routers.

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Q:

Compare Error Detection and Error Correction:

Answer

The correction of errors is more difficult than the detection. In error detection, checks only any error has occurred. In error correction, the exact number of bits that are corrupted and location in the message are known. The number of the errors and the size of the message are important factors.

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Q:

What is APIPA? How would you recognize it?

Answer

Automatic Private IP Addressing


for small network if u see something default automatic numeric values entered in a device that is attached you can see someone novice has done that using APIPA


 

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Q:

Series of interface points that allow other computers to communicate with the other layers of network protocol stack is called SAP

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:
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Q:

What is 255.255.255.255 used for?

Answer

Research

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