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Which Cisco IOS command globally enables port-based authenti

题目
单选题
Which Cisco IOS command globally enables port-based authentication on a switch？ （）
A

aaa port-auth enable

B

radius port-control enable

C

dot1x system-auth-control

D

switchport aaa-control enable

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相似问题和答案

第1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2题：

Which command would you configure globally on a Cisco router that would allow you to view directly connected Cisco devices?()

A. enable cdp

B. cdp enable

C. cdp run

D. run cdp


参考答案：C

第3题：

Which tool enables easy configuration and monitoring of Cisco ISRs? ()

A. Cisco MWAM

B. Cisco SDM

C. Cisco NAC Appliance

D. Cisco Unified Communications Manager Express


参考答案：B

第4题：

Which IOS security feature is configured by the ip inspect inspection-name {in | out} command？（）

  • A、IPsec site-to-site VPN
  • B、Cisco AutoSecure
  • C、Cisco IOS Firewall
  • D、IPS

正确答案:C

第5题：

What are three results of issuing the switchport host command？ （）

  • A、enables PortFast
  • B、disables trunking
  • C、disables Cisco Discovery Protocol
  • D、enables port security
  • E、enables loopguard
  • F、disables EtherChannel

正确答案:A,B,F

第6题：

Which Cisco IOS diagnostics command can disrupt the operation of a router under high－load conditions?()

A. show running-config

B. show processes cpu

C. debug all

D. logging host ip address


参考答案：C

第7题：

What are two characteristics of the SDM Security Audit wizard？（）

  • A、displays a screen with Fix-it check boxes to let you choose which potential security-related configuration changes to implement
  • B、has two modes of operationinteractive and non-interactive
  • C、automatically enables Cisco IOS firewall and Cisco IOS IPS to secure the router
  • D、uses interactive dialogs and prompts to implement role-based CLI
  • E、requires users to first identify which router interfaces connect to the inside network and which connectto the outside network

正确答案:A,E

第8题：

Which command must be globally enabled on a Cisco router to support IPv6?()

A. ip routing ipv6

B. ipv6 unicast - routing

C. ipv6 routing

D. ip classless

E. ipv6 cef


参考答案：B

第9题：

In a Cisco SDN， every element in the network acts as a point of defense. Which two best describethe features of Cisco SDN？ （）

  • A、 enables automated threat response
  • B、 enables noncompliant device access
  • C、 enables endpoint posture enforcement
  • D、 enables third-party client and server protocols

正确答案:A,C

第10题：

On switch R1 you issue the "udld enable" global command.  What does this command accomplish？ （）

  • A、 Enables all fiber-optic LAN ports for Unidirectional LINK Detection （UDLD）
  • B、 Enables all copper media LAN ports Unidirectional Link Detection （UDLD）
  • C、 Overrides the default UDLS setting for all ports
  • D、 Globally enables all ports on the device for Unidirectional Link Detection （UDLS）
  • E、 None of the other alternatives apply

正确答案:A

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