最新的642-832题库下载！

CCNP 考试题库由我们专业IT认证讲师及产品专家精心打造，包括了当前最新的全真试题，全部附有正确答案。题库覆盖率高达95%以上， 同时会根据考试厂商的变化及时更新，确保考生能一次通过考试！

  现提供考试信息和部分真题如下：

  考试号：642-832

  认证名称：Troubleshooting and maintaing cisco ip networks  

  考题数目：229 Q&As

  更新：May-31-2010

  1 .Which of the following characteristics describe the BPDU Guard feature? (Choose all

that apply.)

A. A BPDU Guard port should only be configured on ports with PortFast enabled.

B. BPDU Guard and PortFast should not be enabled on the same port.

C. BPDU Guard is used to ensure that superior BPDUs are not received on a switch port.

D. A BPDU Guard port receiving a BPDU will go into err-disable state.

E. A BPDU Guard port receiving a BPDU will be disabled.

F. BPDU Guard can be enabled on any switch port.

Answer: A, E

2 .Which of the following are valid modes of accessing the data plane? (Choose all that

apply.)

A. Serial connection

B. Secure Shell

C. RADIUS

D. Simple Network Management Protocol

E. HTTP F. Telnet

Answer: A, B, D, E, F

3 .Which of the following is not an essential prerequisite for AutoQoS to be correctly

applied to an interface? (Choose all that apply.)

A. The interface must be configured as a Multilink PPP interface.

B. The correct bandwidth should be configured on the interface.

C. A QoS policy must not be currently attached to the interface.

D. CEF must be enabled.

E. AutoQoS must be enabled globally before it can be enabled on the interface.

F. An IP address must be configured on the interface if its speed is equal to or less than

768 kbps.

Answer: A, E

4 .Which of the following topology situations would be a qood candidate for configuring

DMVPN?

A. Extranet VPN

B. Managed overlay VPN topology

C. Hub-and-spoke VPN topology

D. Central-site VPN topology

E. Full mesh VPN topology

F. Remote-access VPN topology

Answer: E

5 .Which of the following is not considered a common approach to narrow the field of

potential problem causes? (Choose the best answer.)

A. Following the traffic path

B. Top-down

C. Comparing configurations

D. Bottom-up

E. Divide and conquer

F. Examine SLAs

Answer: F

6 .Which of the following best describes the following command: ip flow-export

destination 192.168.1.50 1500?

A. it is not a valid NetFlow command.

B. it is an SNMP command that exports 1500-byte packets to IP address 192.168.1.50.

C. it is a NetFlov/ command that v/ill export 1500-byte packets to IP address

192.168.1.50.

D. it is a NetFlov/ command that allows IP address 192.168.1.50 to send traffic to port

1500.

E. It is a NetFlov/ command that v/ill specify that the NetFlov/ collector's IP address is

192.168.1.50 over UDP port 1500.

F. It is an SNMP command that exports flows to destination address 1Q2.168.1.50 for

packets up to an MTU of 1500.

Answer: E

  以上只是部分真题。提供更多科目的题库下载！