Online Access Free 640-821 Exam Questions

Which IOS user EXEC command will allow a network technician to determine which router in the path to an unreachable network host should be examined more closely for the cause of the network failure?

• A.Router> ping
• B.Router> show ip route
• C.Router> telnet
• D.Router> trace
• E.Router> show interface
• F.Router> show cdp neighbors

What is the maximum number of IP addresses that can be assigned to hosts on a local subnet that uses the 255.255.255.224 subnet mask?

• A.15
• B.32
• C.16
• D.30
• E.14
• F.31

Which command will reinitialize the router and totally replace the running configuration with the current startup configuration?

• A.router# copy tftp startup-config
• B.router# setup
• C.router# restart
• D.router# reload
• E.router# copy running-config flash
• F.router# copy startup-config running-config

A network administrator is connecting PC hosts A and B directly through their Ethernet interfaces as shown in the graphic. Ping attempts between the hosts are unsuccessful.
What can be done to provide connectivity between the hosts? (Choose two.)

• A.A crossover cable should be used in place of the straight-through cable.
• B.The hosts must be reconfigured to use private IP addresses for direct connections of this type.
• C.The subnet masks should be set to 255.255.255.192.
• D.A default gateway needs to be set on each host.
• E.The subnet masks should be set to 255.255.255.0.
• F.A rollover cable should be used in place of the straight-through cable

Refer to the exhibit. SwitchA receives the frame with the addressing shown in the exhibit.
According to the command output also shown in the exhibit, how will SwitchA handle this frame?

• A.It will forward the frame out port Fa0/6 only.
• B.It will flood the frame out all ports.
• C.It will drop the frame.
• D.It will flood the frame out all ports except Fa0/3.
• E.It will forward the frame out port Fa0/3 only.