CMS专题

多选题Which four Cisco Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning-Tree plus?()APortFastBUplinkFastCloop guardDroot guardEBPDU guardFBackboneFast

题目
多选题
Which four Cisco Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning-Tree plus?()
A

PortFast

B

UplinkFast

C

loop guard

D

root guard

E

BPDU guard

F

BackboneFast

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相似问题和答案

第1题:

Which four Cisco Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning-Tree plus?()

A. PortFast

B. UplinkFast

C. loop guard

D. root guard

E. BPDU guard

F. BackboneFast


参考答案:A, C, D, E

第2题:

Which command enables RSTP on aswitch?()

A.spanning-tree mode rapid-pvst

B.spanning-tree uplinkfast

C.spanning-tree backbonefast

D.spanning-tree mode mst


参考答案:A

第3题:

Catalyst 3500(Cisco.[OS系统)中配置PortFast生成树可选功能的命令格式是——。

A.set spanning—tree portfast<mod/port>enable

B.set spanning-tree portfast<mod/port>enable

C.spanning—tree portfast default

D.set spanning—tree portfast<mod/port>default


正确答案:C
解析:选项A)、B)、D)是Catalyst 6500(Catalyst OS系统)配置PortFast生成树可选功能的命令,故选c)。

第4题:

What Cisco technology protects against Spanning-Tree Protocol manipulation?()

  • A、 Spanning tree protect
  • B、 Root Guard and BPDU Guard
  • C、 Unicast Reverse Path Forwarding
  • D、 MAC spoof guard
  • E、 Port Security

正确答案:B

第5题:

Cisco provides two enhancements to 802.11 security which protect a WEP key from exploits. Which two technologies provide these security enhancements? ()

  • A、802.1X
  • B、Cisco Temporal Key Integrity Protocol (CKIP)
  • C、Extensible Authentication Protocol-Flexible Authentication via Secure Tunneling (EAP-FAST)
  • D、Cisco Message Integrity Check (CMIC)
  • E、One-Time Passwords (OTP)
  • F、Advanced Encryption Standard (AES)

正确答案:B,D

第6题:

Which command enables RSTP on a switch?()

A. spanning-tree mode rapid-pvst

B. spanning-tree uplinkfast

C. spanning-tree backbonefast

D. spanning-tree mode mst


参考答案:A

第7题:

Which four Cisco priority Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning Tree? ()

  • A、 PortFast
  • B、 UplinkFast
  • C、 loop guard
  • D、 root guard
  • E、 BPDU guard
  • F、 BackboneFast

正确答案:A,C,D,E

第8题:

Under which two circumstances should Spanning Tree Protocol be implemented?()

A. to ensure a loop-free topology

B. to protect against user-side loops

C. when a VLAN spans access layer switches

D. for the most deterministic and highly available network topology

E. because of the risk of lost connectivity without Spanning Tree Protocol


参考答案:B, C

第9题:

Examine the following options,which Spanning Tree Protocol (STP) protection mechanism disables aswitch port if the port receives a Bridge Protocol Data Unit (BPDU)?()

  • A、Uplink Fast
  • B、Port Fast
  • C、BPDU Guard
  • D、Root Guard

正确答案:C

第10题:

Which three of the following network features are methods used to achieve high availability()

  • A、Spanning Tree Protocol(STP)
  • B、Delay reduction
  • C、Hot Standby Routing Protocol(HSRP)
  • D、Dynamic routing protocols
  • E、Quality of Service(QoS)
  • F、Jitter management

正确答案:A,C,D

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