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多选题Which three statements about MPLS traffic engineering （MPLS TE） are true？ （）AMPLS TE supports admission controlBMPLS TE tunnel traffic is a link attribute to compute the TE tunnel pathCMPLS TE uses BGP extension to advertise link attributesDMPLS TE pro

题目
多选题
Which three statements about MPLS traffic engineering （MPLS TE） are true？ （）
A

MPLS TE supports admission control

B

MPLS TE tunnel traffic is a link attribute to compute the TE tunnel path

C

MPLS TE uses BGP extension to advertise link attributes

D

MPLS TE provides protection capability

E

MPLS TE uses RSVP to establish LSP

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相似问题和答案

第1题：

Which three statements about NetFlow are true？（）

  • A、NetFlow records unidirectional IP traffic flow.
  • B、NetFlow records MPLS frame flow.
  • C、NetFlow expert is only over TCP.
  • D、NetFlow records is only over UDP.
  • E、NetFlow records subinterface information of traffic flow.

正确答案:A,B,E

第2题：

Which two QoS classification and marking statements are true？（）

  • A、 In a Frame Relay network， delay sensitive traffic is tagged with the discard eligible （DE） bit.
  • B、 In an MPLS network， the three most significant bits of the DSCP or the IP precedence of the IP packet are copied into the MPLS EXP field
  • C、 In an MPLS network， the MPLS EXP bits are used to identify up to 16 CoS values.
  • D、 The differentiated services code point （DSCP） field consists of the first three bits of the IP precedence field in the header of an IP packet.
  • E、 The 802.10 standard uses a three bitfield referred to as the user priority bits （PRI） to mark packets as belonging to a specific CoS.

正确答案:B,E

第3题：

What are three TLVs that support IS－IS extensions for traffic engineering?()

A. Extended IS reachability

B. Extended IP reachability

C. Traffic engineering opaque

D. Traffic engineering router ID

E. Extended MPLS reachability


参考答案：A, B, D

第4题：

What protocol is used for Path Setup in MPLS traffic engineering？（）

  • A、OSPF
  • B、ISIS
  • C、BGP
  • D、RSVP
  • E、PIM

正确答案:D

第5题：

Which three IS-IS TLVs are used to support MPLS traffic engineering？ （）

  • A、extended TLV 22
  • B、extended TLV 23
  • C、extended TLV 134
  • D、extended TLV 135
  • E、extended TLV 136
  • F、extended TLV 138

正确答案:A,C,D

第6题：

Which two QoS classification and marking statements are true？ （）

  • A、 In a Frame Relay network， delay sensitive traffic is tagged with the discard eligible （DE） bit.
  • B、 In an MPLS network， the three most significant bits of the DSCP or the IP precedence of the IP packet are copied into the MPLS EXP field.
  • C、 In an MPLS network， the MPLS EXP bits are used to identify up to 16 CoS values.
  • D、 The differentiated services code point （DSCP） field consists of the first three bits of the IP precedence field in the header of an IP packet.
  • E、 The 802.1Q standard uses a three bit field referred to as the user priority bits （PRI） to mark packets as belonging to a specific CoS.

正确答案:B,E

第7题：

Which of these is not a component of MPLS traffic engineering？（）

  • A、trunk admission control
  • B、forwarding traffic to tunnel
  • C、information distribution
  • D、path selection， calculation， and setup
  • E、traffic patterns prediction

正确答案:E

第8题：

Which configuration command configures IS－IS to support MPLS Traffic Engineering?()

A. metric-style wide

B. redistribute mpls

C. metric-style narrow

D. dynamic-redistribute


参考答案：A

第9题：

What are three TLVs that support IS-IS extensions for traffic engineering?（）

  • A、Extended IS reachability
  • B、Extended IP reachability
  • C、Traffic engineering opaque
  • D、Traffic engineering router ID
  • E、Extended MPLS reachability

正确答案:A,B,D

第10题：

Which four services use the inner labels of an MPLS label stack？ （）

  • A、MPLS VPN
  • B、switching path in MPLS core
  • C、Cisco MPLS Traffic Engineering and Fast Reroute
  • D、MPLS over ATM
  • E、VPN over Traffic Engineering core
  • F、any transport over MPLS

正确答案:A,C,E,F

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