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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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Q:

What is CIDR?

Answer

Classless Inter-Domain Routing 

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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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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:

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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Q:

What is a TCP Session?

Answer

the layer that establishes ,manages and terminates the session between two communticating devices

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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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Q:

What is multicast?

Answer

To send data/info to group of computers using same network

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