Cisco CCNA 640-822

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Cisco 640-822 Exam Syllabus Topics:

Cisco Interconnecting Cisco Networking Devices Part 1 Sample Questions:

1. Which type of address does a Layer 2 switch use to make forwarding decisions?

A) destination IP address
B) source and destination IP address
C) source MAC address
D) source IP address
E) destination MAC address

2. What process is used to establish a connection-oriented virtual circuit between two communicating hosts?

A) sequencing
B) flow control
C) three-way handshake
D) windowing
E) duplexing

3. Refer to the exhibit. The network shown in the exhibit is running the RIPv2 routing protocol. The network has converged, and the routers in this network are functioning properly. The FastEthernet0/0 interface on R1 goes down. In which two ways will the routers in this
network respond to this change? (Choose two.)

A) R1 will send LSAs to R2 and R3 informing them of this change, and then all routers will send periodic updates at an increased rate until the network again converges.
B) Because of the split-horizon rule, router R2 will be prevented from sending erroneous information to R1 about connectivity to the 192.168.1.0 network.
C) When router R2 learns from R1 that the link to the 192.168.1.0 network has been lost, R2 will respond by sending a route back to R1 with an infinite metric to the 192.168.1.0 network.
D) Routers R2 and R3 mark the route as inaccessible and will not accept any further routing updates from R1 until their hold-down timers expire.
E) All routers will reference their topology database to determine if any backup routes to the 192.168.1.0 network are known.

4. Refer to the exhibit.

HostX is transferring a file to the FTP server. Point A represents the frame as it goes toward the Toronto router. What will the Layer 2 destination address be at this point?

A) abcd.1123.0045
B) 192.168.7.17
C) 192.168.1.1
D) aabb.5555.2222
E) abcd.2246.0035

5. An administrator cannot connect from R1 to R2. To troubleshoot this problem, the administrator has entered the command shown in the exhibit.

Based on the output shown, what could be the problem?

A) The serial interface does not have a cable attached.
B) The serial interface has the wrong type of cable attached.
C) The serial interface is configured for the wrong frame size.
D) The serial interface is configured for half duplex.
E) The serial interface has a full buffer.

Solutions: