What leading bit values in the IP address indicate a class A
and Class B address ?
a. 0 and 10
b. 0 and 11
c. 1 and 11
d. 01 and 10
e. 10 and 110
A packet header contains 4 parts. they are:
Which one of TCP and UDP is connectionless ?
Which init script starts the inetd daemon ?
What agent acts as an interface between the user and mail transfer agent.
Difference between layer 2 and layer 3 devices ?
In the "Flags" column of the arp table, "S" means ?
Explain about vpn?
how to add a new host to DNS?
True/False: DNS gives you the ability to restrict queries from machines in a particular zone.
how many layers are there in network & explain in simple of alll layers?
You do not want to use any of DNS, NIS, NIS+ to resolve names. You just want to use /etc/hosts files. Which file should you copy to /etc/nsswitch.conf ?
Explain the function of the osi session layer?