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[单选题]

一个802.11a客户端必须支持哪些数据速率?

A.6、12、24Mbit/s

B.11、24、54Mbit/s

C.6、9、12、18、24、36、48、54Mbit/s

D.6、11、24、48Mbit/s

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更多“一个802.11a客户端必须支持哪些数据速率?A、6、12、24Mbit/sB、11、24、54Mbit/sC、6、9、12、18、24、36、48、”相关的问题

第1题

After making some network changes you power off and then power on your Cisco router. What sequence of events occurs when a router 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.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.

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第2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

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第3题

If you have Cisco integrated services router and need to upgrade the Cisco IOS image,which kind of Cisco Support services do you need?()

A. Cisco SMARTNet onsite

B. Cisco TAC

C. Advanced Hardware Replacement

D. Software Support

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第4题

Which two data link layers are supported by cisco ios software for IPv6?()

A.PPP

B.FDDI

C.Frame Relay PVC

D.NBMA

E.Frame Relay SVC

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第5题

If XYZ LTD needs to upgrade the Cisco IOS Software of a Cisco Router, Where is the best place to download the upgrade image file from?()

A. The best option is to download it from the Cisco TAC website

B. The best option is to download it from the Cisco.Com Software support site

C. The best option is to download it form the Cisco Advanced Services website

D. The best option is to download it from the TFTP site on Cisco.com

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第6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

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第7题

Which of the following commands will display the name of the IOS image file being used in a Cisco router?()

A. Router# show IOS

B. Router# show version

C. Router# show image

D. Router# show protocols

E. Router# show flash

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第8题

Which three products reside on the UC500 platform?()

A. Cisco Unified Communications ManagerExpress

B. Cisco IOS Firewall

C. Cisco UnifiedContact Center

D. Cisco IOS

E. Cisco Unity Express

F. Cisco UnifiedCallConnector

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第9题

What are two requirements to perform a warm Cisco IOS upgrade on a Cisco ISR router? ()(Choose two.)

A. at least one enabled Ethernet interface

B. Cisco IOS version 12.3(2)T or greater

C. enough memory to decompress the new Cisco IOS image

D. internal flash memory equaling two times the space required for the current Cisco IOS image

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第10题

Which of these commands can you use to show if an operational Catalyst switch port is set for autonegotiation of speed and duplex when running Cisco IOS software?()

A. show port network

B. show running-config

C. show controllers Ethernet-controller

D. show interfaces

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