What are the protocol data units (pdu) in ccna?
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Which device works at the Network Layer of the OSI model? Router Switch Bridge Hub
What are the different layers of osi model?
To monitor IP igrp traffic, you can use "debug IP igrp transaction" or "debug IP igrp events". How do you display information about IPX routing update packets? A. debug routing B. debug ipx transaction C. debug ipx routing activity D. debug ipx events
Which of the following provide correct information about a protocol at the transport layer of the OSI model? A.) UDP - Provides Connectionless datagrams service B.) TCP - Provides Connection Oriented Services C.) SMTP - Provides Mail Exchange D.) IP - Route determination E.) TCP - Provides Flow Control and Error Checking F.) FTP - Transfers of Files
Which of the following is an invalid host address using a netmask of 255.255.255.192? A.) 10.1.1.1 B.) 10.1.1.66 C.) 10.1.1.130 D.) 10.1.1.127
Identify the 2 hardware components used to manage and/or configure a router? A.) Auxiliary port B.) ROM port C.) Management port D.) Console port
What is default cost of serial interface in ospf?
Windowing is a type of? A.) Negative acknowledgement B.) Address resolution C.) Layer transition mechanism D.) Flow control
Which command we give for see routing table?
Which statement is true regarding the user exec and privileged exec mode? A.) The '?' only works in Privileged exec B.) They are identical C.) They both require the enable password D.) User exec is a subset of the privileged exec
What is the maximum request timer?
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