What is ISDN and Q.931?
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What is the importance of the osi physical layer?
How vpn is used in the corporate world?
What is ring topology?
What is a proxy server and how do they protect the computer network?
Given a Class B Network with subnet mask of 255.255.248.0 and a packet addressed to 130.40.32.16, what is the subnet address?
What is the difference between phone button template and soft-key template?
What is RTP in case of VoIP? Which layer of OSI model does it work on?
What are some drawbacks of implementing a ring topology?
What are user facing features?
What is the number of network ids in a class c network?
What is a network?
What is codec and DSP?