What agent accepts messages from mail user agent. resolves destinations addresses, selects proper mailer to deliver mail, and receives incoming mail from other mail transfers agents.
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Describe a routing filter and what it does?
Class E IP address range and its use ? a. 240-255, experimental b. 224-239, multicast c. 224-255, multicast d. 192-255, experimental
Which machines use the /etc/main.cf file ?
what is topologies?
15 Answers IBM, TCP,
Host C mounts /usr/local from host B. Host C shares out /usr to few machines. Can host C share out /usr/local to these machines, as well?
Explain the major disadvantage of a star topology?
Which file identifies the name of the system that is being booted ?
Define tunnel mode?
What platforms do you currently work on at your desk?
You have a class C subnet. You would like divide it up into subnets by "subnetting". You have to have at least 24 nodes per subnet. How many subnets can you have ? a. 2 b. 6 c. 7 d. 8 e. 14
The destination address used while sending a packet to all hosts in the network is called
Which OSI layer uses segments? a. Application b. Presentation c. Session d. Transport
Networking Protocols 
