What are firewalls?
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What is a decoder?
What are the different call flows supported in H323?
Explain the functionality of osi session layer?
What is an encoder?
What do you understand by ping command?
Which command will you use to find out the name of the pc in networks?
How a switch is different from a hub?
How many layers are in tcp/ip?
What is line group in CUCM?
What do you understand by mac address?
What are proxy servers?
In how many ways the data is represented and what are they?