What is the difference between arp and rarp?
What is icmp protocol?
What are 10base2, 10base5 and 10baset ethernet lans?
What causes a triggered update to reset the router hold-down timer?
Explain the terms unicast, multicast, broadcast.
How do we do encryption and authentication in L2TP?
How many ways are there to implement VPN architecture?
What is the virtual path?
After how long keep alive messages exchange in eigrp?
what are the different symmetric algorithms?
What is ping used for?
When does network congestion occur?
Explain the benefits of vlan?
Explain how an spf algorithm works?
What are packets?