Which one of the WAN data-link protocols below is used for out-of-band signaling?()A. HDLCB. NCPC. PAPD. LAPDE. LAPBF. None of the above

题目
Which one of the WAN data-link protocols below is used for out-of-band signaling?()

A. HDLC

B. NCP

C. PAP

D. LAPD

E. LAPB

F. None of the above


相似考题
更多“Which one of the WAN data-link protocols below is used for out-of-band signaling?() ”相关问题
  • 第1题:

    Which WAN service utilizes two different encapsulation types (one for data and one for signaling) on its data link layer?()

    A. ISDN

    B. Frame Relay

    C. ATM

    D. FDDI


    参考答案:A

  • 第2题:

    Which logical channel is used to transfer signaling messages such as resource reallocation?()

    A.PDTCH

    B.PTCCH

    C.PACCH

    D.PBCCH


    参考答案:C

  • 第3题:

    Which WAN service utilizes two different encapsulation types (one for data and one for signaling) on its data link layer?()

    • A、ISDN
    • B、Frame Relay
    • C、ATM
    • D、FDDI

    正确答案:A

  • 第4题:

    Which logical channel is used to transfer signaling messages such as resource reallocation?()

    • A、PDTCH
    • B、PTCCH
    • C、PACCH
    • D、PBCCH

    正确答案:C

  • 第5题:

    Which one of the following answer choices below is true regarding the OSPF topology database?()

    • A、All entries in the topology database will be included on each router.
    • B、All routers in the same OSPF area will have one topology database.
    • C、The Dijkstra algorithm is used in the creation of the topology database.
    • D、LSA packets are used to update and maintain the topology database.

    正确答案:D

  • 第6题:

    Which one of the statements below correctly describes the Virtual Router Redundancy Protocol  (VRRP),  which is being used in the Company network to provide redundancy?()

    • A、 A VRRP group has one active and one or more standby virtual routers.
    • B、 A VRRP group has one master and one or more backup virtual routers.
    • C、 A VRRP group has one master and one redundant virtual router.
    • D、 None of the other alternatives apply

    正确答案:B

  • 第7题:

    多选题
    Which three of the protocols below belong to the application layer?()
    A

    ARP

    B

    HTTPS

    C

    SMTP

    D

    CDP

    E

    TFTP

    F

    ICMP


    正确答案: F,C
    解析: 暂无解析

  • 第8题:

    单选题
    In MPLS traffic engineering, which one of the following protocols is used for Path Setup?()
    A

    BGP

    B

    OSPF

    C

    ISIS

    D

    RSVP


    正确答案: C
    解析: 暂无解析

  • 第9题:

    单选题
    Which of the protocols below, operates at Layer 2 of the OSI model, and is used to maintain a loop-free network?()
    A

    RIP

    B

    STP

    C

    IGRP

    D

    CDP

    E

    VTP


    正确答案: C
    解析: 暂无解析

  • 第10题:

    单选题
    Which one of the protocols below allows a router to respond to an ARP request destined to a remote host?()
    A

    Gateway DP

    B

    Reverse ARP

    C

    proxy ARP

    D

    Inverse ARP

    E

    indirect ARP


    正确答案: B
    解析: 暂无解析

  • 第11题:

    单选题
    Which one of the following answer choices below is true regarding the OSPF topology database?()
    A

    All entries in the topology database will be included on each router.

    B

    All routers in the same OSPF area will have one topology database.

    C

    The Dijkstra algorithm is used in the creation of the topology database.

    D

    LSA packets are used to update and maintain the topology database.


    正确答案: D
    解析: 暂无解析

  • 第12题:

    多选题
    Which two statements correctly identify factors to consider when Configuring WAN QoS?()
    A

    Voice Traffic uses Assured Forwarding

    B

    Voice Signaling traffic uses Assured Forwarding

    C

    Voice Signaling traffic uses priority queuing

    D

    Voice Traffic uses priority queuing

    E

    Voice signaling traffic should use priority queuing with Assured Forwarding


    正确答案: A,B
    解析: 暂无解析

  • 第13题:

    Which one of the protocols below allows a router to respond to an ARP request destined to a remote host?()

    A. Gateway DP

    B. Reverse ARP

    C. proxy ARP

    D. Inverse ARP

    E. indirect ARP


    参考答案:C

  • 第14题:

    Which one of the protocols below allows a router to respond to an ARP request destined to a remote host?()

    • A、Gateway DP
    • B、Reverse ARP
    • C、proxy ARP
    • D、Inverse ARP
    • E、indirect ARP

    正确答案:C

  • 第15题:

    Which one of the WAN data-link protocols below is used for out-of-band signaling?()

    • A、HDLC
    • B、NCP
    • C、PAP
    • D、LAPD
    • E、LAPB
    • F、None of the above

    正确答案:D

  • 第16题:

    Which three of the protocols below belong to the application layer?()

    • A、ARP
    • B、HTTPS
    • C、SMTP
    • D、CDP
    • E、TFTP
    • F、ICMP

    正确答案:B,C,E

  • 第17题:

    Which of the protocols below, operates at Layer 2 of the OSI model, and is used to maintain a loop-free network?()

    • A、RIP
    • B、STP
    • C、IGRP
    • D、CDP
    • E、VTP

    正确答案:B

  • 第18题:

    Which of the following WAN protocols is a packet switching technology?()

    • A、Frame Relay
    • B、POTS
    • C、PSTN
    • D、ISDN

    正确答案:A

  • 第19题:

    单选题
    Which one of the WAN data-link protocols below is used for out-of-band signaling?()
    A

    HDLC

    B

    NCP

    C

    PAP

    D

    LAPD

    E

    LAPB

    F

    None of the above


    正确答案: D
    解析: 暂无解析

  • 第20题:

    多选题
    Which two signaling protocols could be used in VPLS to advertise site information between PEs? ()
    A

    IKE

    B

    BGP

    C

    RSVP

    D

    LDP


    正确答案: A,B
    解析: 暂无解析

  • 第21题:

    单选题
    Which WAN protocol is used for out-of-band signaling?()
    A

    NCP

    B

    HDLC

    C

    LAPB

    D

    LAPD


    正确答案: A
    解析: 暂无解析

  • 第22题:

    单选题
    Which one of the statements below correctly describes the Virtual Router Redundancy Protocol  (VRRP),  which is being used in the Company network to provide redundancy?()
    A

     A VRRP group has one active and one or more standby virtual routers.

    B

     A VRRP group has one master and one or more backup virtual routers.

    C

     A VRRP group has one master and one redundant virtual router.

    D

     None of the other alternatives apply


    正确答案: B
    解析: 暂无解析

  • 第23题:

    单选题
    Which of the following protocols would be used to test if one host is reachable by another host, by sending echo requests and waiting for echo replies?()
    A

    SNMP

    B

    ICMP

    C

    TCP

    D

    UDP


    正确答案: A
    解析: 暂无解析