Online Access Free 640-822 Exam Questions

Which statement is correct regarding the configuration of a serial link on a Cisco router?

• A.The clock rate command is a requirement for DCE interfaces.
• B.Cisco routers are DCE devices.
• C.If the clock rate command is configured, then the bandwidth command is required.
• D.If the bandwidth command is configured, then the clock rate command is required.
• E.The bandwidth command guarantees maximum bandwidth during congestion.

Refer to the exhibit.

If host A sends an IP packet to host B, what will the source physical address be in the frame when it reaches host B?

• A.10.168.10.99
• B.B2:B2:B2:B2:B2:B2
• C.C3:C3:C3:C3:C3:C3
• D.D4:D4:D4:D4:D4:D4
• E.A1:A1:A1:A1:A1:A1
• F.10.168.11.88

Which IP addresses are valid public Class A host addresses? Assume the default Class A subnet mask is in use. (Choose two.)

• A.131.241.78.3
• B.127.0.0.1
• C.128.16.89.72
• D.68.95.255.100
• E.10.154.16.87
• F.11.22.33.44

What will cause a router to enter setup mode? (Choose two.)

• A.The configuration file is missing in NVRAM.
• B.The IOS is corrupt.
• C.The IOS is missing.
• D.Boot system commands are misconfigured in the running-configuration.
• E.The setup command was issued from the privileged mode prompt.
• F.The configuration register is set to 0x2100.

Which line from the output of the show ip interface command indicates that there is a Layer 1 problem?

• A.Serial0/1 is up, line protocol is down
• B.Serial0/1 is up, line protocol is up
• C.Serial0/1 is down, line protocol is down
• D.Serial0/1 is administratively down, line protocol is down