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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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Subject: Network Administration

Q:

What is the (default) class type of 195.152.12.1?

Answer

CLASS B with NET ID 195.152.0.0

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Subject: Network Administration

Q:

What command-line tool would help you discover for which port numbers your computer is listening?

Answer

netstat -n  (on Dos prompt)

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Subject: Network Administration

Q:

What command would you type in at a command prompt to view the IP address of the remote computer?

Answer

Ping


Netstat

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Subject: Network Administration

Q:

When would you use the ping command with the "-t" switch?

Answer

to get the ping back from other computer with no packet loss

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Subject: Network Administration

Q:

What is the difference between TCP and UDP?

Answer

TCP-Transmission Control Protocol


UDP- user Datagram protocol


UDP is user assisted program and converts the application into the encapsulated form and makes it end point for data to send and then TCP helps in transmission or broadcast!

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Subject: Network Administration

Q:

What is the difference between a Hub and a Switch?

Answer

Hub is device to connect two devices, switch is a network bridge which processes and routes data approirately over network layer of OSI Reference model

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Subject: Network Administration

Q:

What are the main advantages and disadvantages of Fiber-Optic-based networks?

Answer

Advantages      : More efficient and quality of service is better.


Dis advantages: Expensive, complicated

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Subject: Network Administration