According to you which is the most important OSI layer?

643

Explain dhcp briefly?

194

Can you name all the physical layers in networking?

680

What is one basic requirement for establishing vlans?

121

What are the fields of VLAN tag?

1488

What is RTP in case of VoIP? Which layer of OSI model does it work on?

120

when I issue the "show ip route bgp" command, I see my routes being learned via ospf and bgp. How can I verify on the nx-os which one will always be used and which one is a backup?

707

Why transport layer protocols like TCP and UDP are called end-to-end protocols. What is the difference between them?

2668

What is the use of internet addresses?

678

Explain the difference between broadcast domain and collision domain?

595

How do I find available ip addresses?

646

What is CUCM Cluster?

191

What is the difference between domain and workgroup?

218

Define the meaning of an Authentication.

612

How do we do authentication with message digest(md5)?

544