Port is where upper layer protocols access which layer ?
a. data-link
b. network
c. transport
d. session
Host A is connected to Router B. Router B is connected to Router C. Router is connected to Host D. How many hops away is Host D from Host A ?
Which file holds the IP address of the default gateway ?
Which standar does IEE 802.4 define ?
What is a "preamble" in IEEE 802.3 frame? a. an indication of the end of a frame b. an indication of the start of a new frame c. an indication of congestion d. an indication of a corrupted frame
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what is difference between cisco switch and other vendor switch?
Command to add a route to server1 via router1 with 3 hops :
Which macro defines optional features that are included in the sendmail.cf file ?
what is the network?
What does the /var/named/loopback-domain.info file specify ?
What are rights networking?
System used to deliver mail between domains running different mail protocols is called ?