What does the LLC sublayer of the Data Link Layer do ?
a. Error Checking
b. Gets data on and off the wire
c. Decides which machines gets to go next on the wire
d. Provides clocking signals
if the server has slow how to check the server performance? How to check server performance what is the procedure?
3 types of mail access supported by IMAP4 are:
Which layer does: flow control, windowing, error recovery ? a. data-link b. network c. transport d. session
A modem modulates digital signals into analog and __ analog signals back into digital signals.
Define dos?
It is advisable not to use telnet because of security problems. Which program should you use instead ?
4 functions that ICMP protocol performs are: a. echo (ping) b. telnet c. rcp d. rlogin e. rpc f. TTL announce (used by traceroute) g. source quench message (during congestion) h. network error announcement
how to add additional instances sar r3, what are the steps to take server is down.
Which protocol is used typically within an AS ?
what is networking?
any one explain about frame and MAC address,packet and IP address,and segment and port address
what are the advantages and disadvantages of Vlan?