JN0-304

单选题Given the following LSP configuration, which statement is true?（）label-switched-path lsp-xyz { to 10.200.1.1; primary path1; secondary path2; secondary path3; no-cspf; } path path1 { 10.200.10.1 strict; } path path2 { 10.200.20.1 strict; } path path3 {

题目
单选题
Given the following LSP configuration, which statement is true?（）label-switched-path lsp-xyz { to 10.200.1.1; primary path1; secondary path2; secondary path3; no-cspf; } path path1 { 10.200.10.1 strict; } path path2 { 10.200.20.1 strict; } path path3 { 10.200.30.1 loose; }
A

The router will use path1 when it is available and stable.

B

The router will use path3 when it is available and stable.

C

The router will attempt to establish path2 only when path1 and path3 are down.

D

The router will attempt to establish path1 only when path2 and path3 are down.

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相似问题和答案

第1题：

GiventhefollowingLSPconfiguration，whichstatementistrue？（）label-switched-pathlsp-xyz{to10.2000.1.1；primarypath1；secondarypath2；secondarypath3；no-cspf；}pathpath1{10.200.10.1strict；}pathpath2{10.200.20.1strict；}pathpath3{10.200.30.1loose}

A.Therouterwillusepath1whenitisavailableandstable.

B.Therouterwillusepath3whenitisavailableandstable.

C.Therouterwillattempttoestablishpath2onlywhenpath1andpath3aredown.

D.Therouterwillattempttoestablishpath1onlywhenpath2andpath3aredown.


参考答案：A

第2题：

09A设备开通过程中RTD阶段A扇区Path2通路关断，原因可能是（）.

  • A、校准线故障
  • B、RFU故障
  • C、综合控制线故障
  • D、TPA故障
  • E、Path2对应上跳线驻波比过高

正确答案:B,D,E

第3题：

Which interface tunnel parameter allows an LSP to use a specified explicit route?()

A.path-option

B.route-option

C.explicit-path-option

D.explicit-route-option


参考答案：A

第4题：

Given the following LSP configuration， which statement is true？（） label-switched-pathlsp-xyz {  to 10.2000.1.1；  primarypath1；  secondarypath2；  secondarypath3；  no-cspf；  }  pathpath1 {  10.200.10.1 strict；  }  pathpath2 {  10.200.20.1 strict；  }  pathpath3 {  10.200.30.1loose  }

  • A、The router will use path1 when it is available and stable.
  • B、The router will use path3 when it is available and stable.
  • C、The router will attempt to establish path2 only when path1 and path3 are down.
  • D、The router will attempt to establish path1 only when path2 and path3 are down.

正确答案:A

第5题：

语句“rmdir（’path1/path2’）”的执行目的就是递归删除path2和path1。


正确答案:错误

第6题：

What is the default function of a secondary path in MPLS?()

A. to act as an equal-cost path to the primary path

B. to enable another LSP for load balancing

C. to act as a diverse backup path to the primary path

D. to allow the use of explicit path selection via EROs


参考答案：C

第7题：

Unicast Reverse Path Forwarding （Urpf ） can work in the following modes：（）

  • A、Express mode
  • B、Strict mode
  • C、Loose mode
  • D、Tunnel mode
  • E、Safe mode

正确答案:B,C

第8题：

Given the following LSP configuration, which statement is true? ()

A. The router will use path1 when it is available and stable.

B. The router will use path3 when it is available and stable.

C. The router will attempt to establish path2 only when path1 and path3 are down.

D. The router will attempt to establish path1 only when path2 and path3 are down.


参考答案：A

第9题：

Which statement is true about a routing table?（）

  • A、It contains routers learned dynamically only
  • B、It finds the best path to each destination by using a modified shortest-path-first calculation
  • C、It contains only active BGP routes
  • D、It contains all accepted routes to all destinations

正确答案:D

第10题：

What is the default function of a secondary path in MPLS?（）

  • A、to act as an equal-cost path to the primary path
  • B、to enable another LSP for load balancing
  • C、to act as a diverse backup path to the primary path
  • D、to allow the use of explicit path selection via EROs

正确答案:C

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