Explain 802.1Q header?.
You have a Class C network. You want to subnet it such that you have at least 25 hosts per subnet. How many subnets can you have?
What does the receiving host do with packets when it is using a connection-oriented protocol ? a. acknowledges only the first and last packet, puts the packets in their proper order. b. acknowledges only the first and last packet, discards in any packet that have arrived out of sequence. c. acknowledges each packet and puts the packets in their proper order. d. acknowledges each packet and discards in any packet that have arrived out of order
Which DNS debugging tool allows in-depth debugging of DNS problems ?
one client is uanble to connect web server it is located in some remote location what are the problems how to troubleshoot the problem
Define ipconfig?
Explain how to perform system maintenance?
Network adapter card drivers reside in the which sub-layer of the Data Link layer of the OSI model.
How do you display a routing table on a Cisco? On a host?
What is a device that amplifies and regenerates the data signal bit by bit.
3 types of mail access supported by IMAP4 are:
What is spoofing? a. Where a packets claims its source to be other that what its source really is. b. Same as "denial of service" attacks c. Where a machine continually pings another machine d. Where certain broadcasts are passed through a router
deferances between work group and domain?