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What method in a Cisco IOS router can confirm that packets m

题目
单选题
What method in a Cisco IOS router can confirm that packets marked for a particular QoS marking are being matched?（）
A

Issue a show policy-map interface command. 

B

Assuming Netflow is enabled, issue a show ip cache verbose flow command.

C

Issue a show crypto ipsec session command.

D

Issue a debug qos set command and a terminal monitor command.

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相似问题和答案

第1题：

Which two privileged mode cisco ios commands can be used to determine a cisco router chassis serial number?()

A.show inventory

B.show flash：filesys

C.dirflash：include chassis

D.show diag

E.show controllers


参考答案：A, D

第2题：

Refer to the exhibit. For what two reasons has the router loaded its IOS image from the location that is shown? ()

A.Router1 has specific boot system command that instruct it to load IOS from TFTP server.

B.Router1 is acting as a TFTP server for other routers.

C.Router1 cannot locate a valid IOS image in flash memory.

D.Router1 defaulted to ROMMON mode and loaded the IOS image from a TFTP server.

E.Cisco routers will first attempt to load a image from TFTP for management purposes.


参考答案：A, C

第3题：

After making some network changes you power off and then power on your Cisco router named VE1. What sequence of events occurs when VE1 is powered up?

A. Perform. POST, locate configuration statements, apply configuration statements, locate Cisco IOS software, and load Cisco IOS software.

B. Locate Cisco IOS software, load Cisco IOS software, locate configuration statements, apply configuration statements, and perform. POST.

C. Test software routines, POST, load configuration files, load Cisco IOS software, test Cisco IOS software.

D. Perrform. POST, locate Cisco IOS software, load the Cisco IOS software, locate configuration statements, and apply configuration statements.

E. Load and test IOS, load configuration files, test software routines, POST.

F. None of the above


正确答案：D
D 解析：Explanation:
Upon initial start up, Cisco routers perform. the following steps in order:
1. The router performs a power-on self-test (POST) to discover and verify the hardware.
2. The router loads and runs bootstrap code from ROM.
3. The router finds the IOS or other software and loads it.
4. The router finds the configuration file and loads it into running config.

第4题：

What is the recommended Cisco DSCP value for a switch or router passing Cisco Unified Wireless IP Phone 7921G RTP packets?（）

  • A、CS3
  • B、CS1
  • C、EF
  • D、5
  • E、6

正确答案:C

第5题：

What is the OSPF default frequency,in seconds,at which a cisco router sends hello packets on a multiaccess network?（）

  • A、10
  • B、40
  • C、30
  • D、20

正确答案:A

第6题：

What Cisco IOS feature can be enabled to pinpoint an application that is causing slow network performance?()

A.SNMP

B.Netflow

C.WCCP

D.IP SLA


参考答案：B

第7题：

What is the OSPF default frequency,in seconds,at which a cisco router sends hello packets on a multiaccess network?()

A.10

B.40

C.30

D.20


参考答案：A

第8题：

In the Cisco IOS, what is the definition of a global command?()

A. A command that can be entered in any configuration mode.

B. A command that supports all protocols.

C. A command that is implemented in all IOS versions.

D. A command that is set once and affects the entire router.

E. A command that is available in every release of IOS.


参考答案：D

第9题：

What are two security features of the Cisco Secure Router 500 Series？ （）

  • A、Cisco Intrusion Prevention System
  • B、Cisco IOS Software Firewall
  • C、Cisco IOS Easy VPN
  • D、Cisco Unified Wireless Networking
  • E、Cisco ASA Hardware Firewall

正确答案:A,B

第10题：

What is the OSPF default frequency,in seconds,at which a cisco router sends hello packets on a multi-access network?（）

  • A、10
  • B、40
  • C、30
  • D、20

正确答案:A

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