640-821 무료 덤프문제 온라인 액세스

What is the default configuration register setting on most Cisco routers?

• A.0x2210
• B.0x2102
• C.0x2142
• D.0x2104
• E.0x2012

Which OSI layer header contains the address of a destination host that is on another network?

• A.session
• B.network
• C.transport
• D.data link
• E.application
• F.physical

DRAG DROP
drag drop

정답:

How many simultaneous Telnet sessions does a Cisco router support by default?

• A.4
• B.6
• C.5
• D.1
• E.2
• F.3

Refer to the topology and MAC address table shown in the exhibit. Host A sends a data frame to host D.
What will the switch do when it receives the frame from host A?

• A.The switch will add the destination address of the frame to the MAC address table and forward the frame to host
• B.The switch will flood the frame out of all ports except for port Fa0/3.
• C.The switch will add the source address and port to the MAC address table and forward the frame to host D.
• D.The switch will discard the frame and send an error message back to host A.