Cisco 640-821

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Cisco 640-821 Exam Syllabus Topics:

Cisco Introduction to Cisco Networking Technologies Sample Questions:

1. Which Cisco IOS command identifies the system hardware and the IOS currently running on a router?

A) show running-config
B) show startup-config
C) show controllers
D) show processes
E) show version

2. An elementary school has a computer in every classroom. One entire wing of the school connects to a centrally located hub. The teachers have reported a slowdown in the past few weeks to the network administrator. The network administrator has analyzed the network and documented a steep increase in utilization as the teachers use a new network- based classroom management application. Which solution will improve the performance the most?

A) Ensure all devices in the affected wing have a default gateway.
B) Install a repeater in the affected wing.
C) Replace the hub with a switch.
D) Reboot the router that connects to the hub.
E) Install a router and install another hub in the affected wing.

3. DRAG DROP
drag drop

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

5. The internetwork shown in the diagram is experiencing network delays. On the basis of the information provided in the exhibit, what is the problem?

A) The cable between Router1 and Switch1 should be a crossover.
B) The server is on a different subnet than router interface Fa0/0.
C) The connection between Switch1 and Switch2 should be half-duplex.
D) The cable between Switch1 and Switch2 should be straight-through.
E) The cable connecting Host A to Switch2 is too long.

Solutions: