3 purposes of ICMP :
a. router discovery
b. gurantee of transport
c. estimate of bandwidth
d. error messaging
e. diagnostics/testing
f. gurantee of uniqueness of node addresses
TCP/IP has howmany layers? a. 2 b. 3 c. 4 d. 5
What is the subnet for a class C network ?
True or False: In the OSI model the Physical layer communicates directly with the what layer in another computer.
Define rsa algorithm?
What does CIDR use to reduce the size of the routing tables ?
Which OSI layer provides synchronization by placing checkpoints in the data stream.
Which layer begins the process of creating packets?
Which command will cause the in.namded daemon to reread it's configuration files ?
Which subdirectory of /usr/lib/mail contains the configuration files for sendmail ?
Explain the importance of implementing a fault tolerance system? Are there limitations?
Which layer packages data into frames?
Define nat?