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what is stp.
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Answer / noushad
Spanning tree protocol is layer 2 protocol .while we
connect between 2 swiches by a two trunk link a loop
occur .stp used to avoid loop by blocking a link though its
calculation still permitting reduntant connection
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What is the difference between RIP & RIPng???? Can anyone explain it..!!! Thank u in advance.
Which of the following is a valid extended IP access-list? A.) router(config)# access-list 101 permit tcp host 172.16.30.0 any eq 21 log B.) router# access-list 101 permit tcp host 172.16.30.0 any eq 21 log C.) router(config)# acess-list 101 permit any any 172.16.30.0 D.) router(config)# access-list 101 permit ip host 172.16.30.0 any eq 21 log
Hi, If we create more Gateway from one our Router Interface Gateway (Example: by set up a ISA server etc) will it effect on our bandwidth to be low? please help me
Difference between subnetting & Vlan??
How much hold down time of eigrep protocol?
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What is the difference between an igp and an egp?
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What is the virtual channel?
What is BootP?
Identify the 2 commands that save the running-config to a TFTP server? A.) write running tftp B.) copy running network C.) copy running tftp D.) write network
Identify 2 features of PPP CHAP authentication? A.) Username and password is sent in clear text B.) Authentication messages are sent periodically during the connection C.) Less secure then PAP D.) Local router 'challenges' the remote router
CCNA 
