单选题What is the term "ordered control" mean regarding how MPLS LSPs are established?（）A establish starting at the egress router going back to the ingress routerB establish starting at the ingress router going downstream to the egress routerC establish when

题目
单选题
What is the term "ordered control" mean regarding how MPLS LSPs are established?（）
A

establish starting at the egress router going back to the ingress router

B

establish starting at the ingress router going downstream to the egress router

C

establish when a router learns of a new prefix

D

establish when the path correctly matches the reverse path forwarding check

相似考题

1.On which component are RED and WRED managed in the router?()A. I/O moduleB. switch fabricC. egress line moduleD. ingress line module

2.What is the term "ordered control" mean regarding how MPLS LSPs are established?()A. establish starting at the egress router going back to the ingress routerB. establish starting at the ingress router going downstream to the egress routerC. establish when a router learns of a new prefixD. establish when the path correctly matches the reverse path forwarding check

3.A router receives a packet from a neighbor with an MPLS shim header value of 0.What does the router do with this packet?()A. It performs a label pop operation and an IP lookup.B. It performs a label swap operation and an IP lookup.C. It sends an error message toward the egress router.D. It sends an error message toward the ingress router.

4.How is an RSVP resv message sent back to the ingress router?()A. reverse path of the RROB. least cost to the ingress routerC. shortest path to the egress routerD. reverse path of the path vector TLV

更多“单选题What is the term "ordered control" mean regarding how MPLS LSPs are established?（）A establish starting at the egress router going back to the ingress routerB establish starting at the ingress router going downstream to the egress routerC establish when”相关问题

  • 第1题：

    With MPLS Fast Reroute, what is the "point of local repair"?()

    A. egress router

    B. ingress router

    C. start of the bypass tunnel

    D. all routers in the bypass tunnel


    参考答案：C

  • 第2题：

    The policy action of color is used for congestion control under which circumstance?()

    A.congestion in an upstream router

    B.congestion in a downstream router

    C.contention for queue space on an egress interface

    D.contention for queue space on an ingress interface


    参考答案：C

  • 第3题：

    On which component are RED and WRED managed in the router?（）

    • A、I/O module
    • B、switch fabric
    • C、egress line module
    • D、ingress line module

    正确答案:C

  • 第4题：

    Where does Layer2 de-encapsulation occur on the ERX Edge Router？（）

    • A、on the SRP
    • B、on the I/O adapter
    • C、on the egress line module
    • D、on the ingress line module

    正确答案:D

  • 第5题：

    A router receives a packet from a neighbor with an MPLS shim header value of 0.What does the router do with this packet?（）

    • A、It performs a label pop operation and an IP lookup.
    • B、It performs a label swap operation and an IP lookup.
    • C、It sends an error message toward the egress router.
    • D、It sends an error message toward the ingress router.

    正确答案:A

  • 第6题：

    MPLS网络中，关于LER描述正确的是（）。

    • A、Ingress LER压入标签
    • B、Ingress LER弹出标签
    • C、Egress LER压入标签
    • D、VRP在缺省情况下，Egress LER弹出标签

    正确答案:A

  • 第7题：

    What is the term "ordered control" mean regarding how MPLS LSPs are established?（）

    • A、establish starting at the egress router going back to the ingress router
    • B、establish starting at the ingress router going downstream to the egress router
    • C、establish when a router learns of a new prefix
    • D、establish when the path correctly matches the reverse path forwarding check

    正确答案:A

  • 第8题：

    What is the optimize timer on an RSVP-signaled Label-Switched Path (LSP)?（）

    • A、The time it takes to identify the optimal path for the LSP.
    • B、The interval at which the ingress router recalculates the LSP's path.
    • C、The time the ingress router takes to establish the primary path.
    • D、The maximum number of times the ingress router tries to establish the primary path.

    正确答案:B

  • 第9题：

    单选题
    What is the term "ordered control" mean regarding how MPLS LSPs are established?（）
    A

    establish starting at the egress router going back to the ingress router

    B

    establish starting at the ingress router going downstream to the egress router

    C

    establish when a router learns of a new prefix

    D

    establish when the path correctly matches the reverse path forwarding check


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    How is an RSVP resv message sent back to the ingress router?（）
    A

    reverse path of the RRO

    B

    least cost to the ingress router

    C

    shortest path to the egress router

    D

    reverse path of the path vector TLV


    正确答案： D
    解析： 暂无解析

  • 第11题：

    单选题
    What is the optimize timer on an RSVP-signaled Label-Switched Path （LSP）？（）
    A

    the time it takes to identify the optimal path for the LSP

    B

    the interval at which the ingress router recalculates the LSP’s path

    C

    the time the ingress router takes to establish the primary path

    D

    the maximum number of times the ingress router tries to establish the primary path


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    How is an RSVP resv message sent back to the ingress router？（）
    A

     reverse path of the RRO

    B

     least cost to the ingress router

    C

     shortest path to the egress router

    D

     reverse path of the path vector TLV


    正确答案： C
    解析： 暂无解析

  • 第13题：

    What is true about a Bypass Tunnel in MPLS Fast Reroute?()

    A. Only configured on the egress router

    B. Only configured on the ingress router

    C. Is pre-signalled to reduce packet loss

    D. Must intersect the primary LSP at two locations


    参考答案：D

  • 第14题：

    The router SIS-R has been configured in a CIS network. As a network administrator, you were required to enable MPLS on that router.Which of the following description is making sense on the basis of the output information?（）

    A. CEF switching is only needed to forward labeled packets.

    B. CEF switching is needed on both ingress and egress interfaces on which MPLS is enabled.

    C. Interface-level CEF switching is needed only on egress interfaces that are sending IP packets on which the egress LSR performs the label imposition process.

    D. Interface-level CEF switching is needed only on ingress interfaces that are receiving IP packets on which the ingress LSR performs the label imposition process.


    参考答案：D

  • 第15题：

    What is true about a Bypass Tunnel in MPLS Fast Reroute?（）

    • A、Only configured on the egress router
    • B、Only configured on the ingress router
    • C、Is pre-signalled to reduce packet loss
    • D、Must intersect the primary LSP at two locations

    正确答案:D

  • 第16题：

    With MPLS Fast Reroute, what is the "point of local repair"?（）

    • A、egress router
    • B、ingress router
    • C、start of the bypass tunnel
    • D、all routers in the bypass tunnel

    正确答案:C

  • 第17题：

    How is an RSVP resv message sent back to the ingress router?（）

    • A、reverse path of the RRO
    • B、least cost to the ingress router
    • C、shortest path to the egress router
    • D、reverse path of the path vector TLV

    正确答案:A

  • 第18题：

    What are three facts control plane policing？ （）

    • A、a set of rules that can be established and associated with the ingress and egress ports of the control plane
    • B、improves performance of the control plane by marking control plane packets with DSCPEF
    • C、protects the control plane on a router from DoS attacks
    • D、treats the control plane as a separate entity with its own ingress （input） and egress （output） ports
    • E、provides the control plane with a separate token bucket
    • F、enhances security of the control plane by tunneling packets to and from the control plane

    正确答案:A,C,D

  • 第19题：

    What is the optimize timer on an RSVP-signaled Label-Switched Path （LSP）？（）

    • A、the time it takes to identify the optimal path for the LSP
    • B、the interval at which the ingress router recalculates the LSP’s path
    • C、the time the ingress router takes to establish the primary path
    • D、the maximum number of times the ingress router tries to establish the primary path

    正确答案:B

  • 第20题：

    The policy action of color is used for congestion control under which circumstance?（）

    • A、congestion in an upstream router
    • B、congestion in a downstream router
    • C、contention for queue space on an egress interface
    • D、contention for queue space on an ingress interface

    正确答案:C

  • 第21题：

    单选题
    What is the optimize timer on an RSVP-signaled Label-Switched Path (LSP)?（）
    A

    The time it takes to identify the optimal path for the LSP.

    B

    The interval at which the ingress router recalculates the LSP's path.

    C

    The time the ingress router takes to establish the primary path.

    D

    The maximum number of times the ingress router tries to establish the primary path.


    正确答案： D
    解析： 暂无解析

  • 第22题：

    单选题
    Where does Layer2 de-encapsulation occur on the ERX Edge Router？（）
    A

    on the SRP

    B

    on the I/O adapter

    C

    on the egress line module

    D

    on the ingress line module


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    A router receives a packet from a neighbor with an MPLS shim header value of 0.What does the router do with this packet?（）
    A

    It performs a label pop operation and an IP lookup.

    B

    It performs a label swap operation and an IP lookup.

    C

    It sends an error message toward the egress router.

    D

    It sends an error message toward the ingress router.


    正确答案： C
    解析： 暂无解析

  • 第24题：

    单选题
    The policy action of color is used for congestion control under which circumstance?（）
    A

    congestion in an upstream router

    B

    congestion in a downstream router

    C

    contention for queue space on an egress interface

    D

    contention for queue space on an ingress interface


    正确答案： A
    解析： 暂无解析

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