What is network topology?
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Briefly describe nat.
What are the functions of network layer?
Why are global and device-level addressing systems necessary?
What is option 150 and option 66 in DHCP?
What is meant by 127.0.0.1 and local host?
What is SRST and MGCP fall-back?
Why is it recommended to use a separate Vlan for IP Phones?
Give some examples of private network addresses.
What are the advantages of address sharing?
What are the layers in osi reference models?
What is CUCM Cluster?
Explain the importance of authentication.