Explain Cisco IP Phone boot up process?
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What are ip classes?
Expand dhcp and describe how it works?
Define static ip and dynamic ip?
What are TCS and OLC in H323?
What is ring topology?
In what scenarios are priority and QoS (Quality of Service) protocol services useful
What is Call Park?
What are the main disadvantages of routing in switched networks.
How vpn is used in the corporate world?
What happens to the theoretical transfer rate when a full duplex transmission mode is used?
What are the layers in osi reference models? Describe each layer briefly.
List three advantages of the packet switching technique compared with that of circuit switching.