Which two protocols are used by bridges and/or switches to prevent loops in a layer 2 network?（）A、802.1dB、VTPC、802.1qD、STPE、SAP

题目

Which two protocols are used by bridges and/or switches to prevent loops in a layer 2 network?（）

  • A、802.1d
  • B、VTP
  • C、802.1q
  • D、STP
  • E、SAP
相似考题

1.Both bridges are switches are being used throughout the Ezonexam LAN. Which of the following statements are true regarding bridges and switches in this network?(Choose 3)A. Switches are primarily software based while bridges are hardware based.B. Switches usually have a higher number of ports than most bridges.C. Bridges are frequently faster than switches.D. Bridges define broadcast domains while switches define collision domains.E. Both bridges and switches forward Layer 2 broadcasts.F. Both bridges and switches make forwarding decisions based on Layer 2 addresses.

2.Catalyst switches utilize a special technology to identify and prevent topology loops and ensure that data flows properly through a single network path. What is the name of this technology?()A. VTPB. ISLC. 802.1QD. STPE. None of the above

3.With regard to bridges and switches, which of the following statements are true?()A. Switches are primarily software based while bridges are hardware based.B. Both bridges and switches forward Layer 2 broadcasts.C. Bridges are frequently faster than switches.D. Switches typically have a higher number of ports than bridges.E. Bridges define broadcast domain while switches define collision domains.F. Both bridges and switches make forwarding decisions based on Layer 2 addresses.

4.Which routing table stores IPv4 unicast routes and is used by multicast routing protocols to prevent loops?()A. inet.0B. inet.1C. inet.2D. inet.3

更多“Which two protocols are used by bridges and/or switches to prevent loops in a layer 2 network?（）A、802.1dB、VTPC、802.1qD、STPE、SAP”相关问题

  • 第1题：

    Which two protocols are used by bridges and／or switches to prevent loops in a layer 2 network?()

    A.802.1d

    B.VTP

    C.802.1q

    D.STP

    E.SAP


    参考答案：A, D

  • 第2题：

    Which of the following statements are true regarding bridges and switches (Choose 3.)()。

    A.Switches are primarily software based while bridges are hardware based.

    B.Both bridges and switches forward Layer 2 broadcasts.

    C.Bridges are frequently faster than switches.

    D.Switches have a higher number of ports than most bridges.

    E.Bridges define broadcast domains while switches define collision domains.

    F.Both bridges and switches make forwarding decisions based on Layer 2 addresses.


    参考答案：B, D, F

  • 第3题：

    Which of the following routing protocols are less likely prone routing loops and network reachability problems when used in discontiguous networks?（）

    • A、IGRP
    • B、CDP
    • C、OSPF
    • D、RIP v1
    • E、RIP v2
    • F、EIGRP

    正确答案:C,E,F

  • 第4题：

    哪两个协议所使用的网桥和/或交换机，以防止在第2层网络环路？（）

    • A、 802.1d
    • B、 VTP
    • C、 802.1q
    • D、 STP
    • E、 SAP

    正确答案:A,D

  • 第5题：

    At which layer of the OSI model is RSTP used to prevent loops？（）

    • A、data link
    • B、network
    • C、physical
    • D、transport

    正确答案:A

  • 第6题：

    In a switched LAN network, what is the Spanning-Tree algorithm used for?（）

    • A、It is used to provide a mechanism for routing updates in switched environments.
    • B、It is used to prevent routing loops in networks with redundant routes.
    • C、It is used to prevent switching loops in networks with redundant switched routes.
    • D、It is used to manage, the addition, deletion, and naming of VLANs across multiple switches.
    • E、It is used to segment a network into multiple collision domains.
    • F、None of the above.
    • G、All of the above are functions of STP.

    正确答案:C

  • 第7题：

    What two features in Cisco switches help prevent Layer 2 loops？（）

    • A、UniDirectional Link Detection
    • B、Hot Standby Router Protocol
    • C、Virtual Router Redundancy Protocol
    • D、PortFast
    • E、root guard
    • F、loop guard

    正确答案:A,F

  • 第8题：

    In Layer 2 topologies， spanning-tree failures can cause loops in the network. These unblocked loops cancause network failures because of excessive traffic. Which two Catalyst 6500 features can be used to limitexcessive traffic during spanning-tree loop conditions？（）

    • A、loop guard
    • B、storm control
    • C、storm suppression
    • D、broadcast suppression
    • E、BPDU guard

    正确答案:B,D

  • 第9题：

    多选题
    In Layer 2 topologies， spanning-tree failures can cause loops in the network. These unblocked loops cancause network failures because of excessive traffic. Which two Catalyst 6500 features can be used to limitexcessive traffic during spanning-tree loop conditions？（）
    A

    loop guard

    B

    storm control

    C

    storm suppression

    D

    broadcast suppression

    E

    BPDU guard


    正确答案： B,C
    解析： 暂无解析

  • 第10题：

    多选题
    What two features in Cisco switches help prevent Layer 2 loops？（）
    A

    UniDirectional Link Detection

    B

    Hot Standby Router Protocol

    C

    Virtual Router Redundancy Protocol

    D

    PortFast

    E

    root guard

    F

    loop guard


    正确答案： F,D
    解析： 暂无解析

  • 第11题：

    多选题
    Which two protocols are used by bridges and/or switches to prevent loops in a layer 2 network?（）
    A

    802.1d

    B

    VTP

    C

    802.1q

    D

    STP

    E

    SAP


    正确答案： B,E
    解析： 暂无解析

  • 第12题：

    单选题
    Which routing table stores IPv4 unicast routes and is used by multicast routing protocols to prevent loops?（）
    A

    inet.0

    B

    inet.1

    C

    inet.2

    D

    inet.3


    正确答案： B
    解析： 暂无解析

  • 第13题：

    At which layer of the OSI model is RSTP used to prevent loops?()

    A.data link

    B.network

    C.physical

    D.transport


    参考答案：A

  • 第14题：

    Networks can be interconnected by different devices in the physical layer networks can be connected by（ ）_or hubs.which just move the bits from one network to an identical network.One layer up we find bridges and switches which operate at data link layer.They can accept（ ）examine the MAC address and forward the frames to a different network while doing minor protocol translation in the process in me network layer,we have routers that can connect two networks,If two networks have（ ）network layer,the router may be able to translate between the packer formats.In the transport layer we find transport gateway,which can interface between two transport connections Finally,in the application layer,application gateways translate message（请作答此空）.As an example,gateways between Internet e-mail and X.400 e-mail must（ ）the e-mail message and change various header fields.

    A.syntax
    B.semantics
    C.language
    D.format

    答案：B
    解析：

  • 第15题：

    In Layer 2 topologies， spanning-tree failures can cause loops in the network. These unblocked loops can cause network failures because of excessive traffic. Which two Catalyst 6500 features can be used to limit excessive traffic during spanning-tree loop conditions？ （）

    • A、loop guard
    • B、storm control
    • C、storm suppression
    • D、broadcast suppression
    • E、BPDU guard

    正确答案:B,D

  • 第16题：

    Which routing table stores IPv4 unicast routes and is used by multicast routing protocols to prevent loops?（）

    • A、inet.0
    • B、inet.1
    • C、inet.2
    • D、inet.3

    正确答案:C

  • 第17题：

    Bridges and switches are Layer 2 devices that provide the same basic functionality but that also have some differences. Which two traits apply to switches only？（）

    • A、 supports Layer 2 VLANs
    • B、 segment LANs
    • C、 are faster because forwarding decisions are made on hardware
    • D、 typically have fewer ports because forwarding decisions are made in software
    • E、 flood frames out all ports

    正确答案:A,C

  • 第18题：

    Catalyst switches utilize a special technology to identify and prevent topology loops and ensure that data flows properly through a single network path. What is the name of this technology?（）

    • A、VTP
    • B、ISL
    • C、802.1Q
    • D、STP
    • E、None of the above

    正确答案:D

  • 第19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20题：

    多选题
    Which of the following statements are true regarding bridges and switches? (Choose 3.)（）
    A

    Switches are primarily software based while bridges are hardware based.

    B

    Both bridges and switches forward Layer 2 broadcasts.

    C

    Bridges are frequently faster than switches.

    D

    Switches have a higher number of ports than most bridges.

    E

    Bridges define broadcast domains while switches define collision domains.

    F

    Both bridges and switches make forwarding decisions based on Layer 2 addresses.


    正确答案： B,D
    解析： 暂无解析

  • 第21题：

    多选题
    With regard to bridges and switches, which of the following statements are true?（）
    A

    Switches are primarily software based while bridges are hardware based.

    B

    Both bridges and switches forward Layer 2 broadcasts.

    C

    Bridges are frequently faster than switches.

    D

    Switches typically have a higher number of ports than bridges.

    E

    Bridges define broadcast domain while switches define collision domains.

    F

    Both bridges and switches make forwarding decisions based on Layer 2 addresses.


    正确答案： A,E
    解析： 暂无解析

  • 第22题：

    多选题
    Which of the following routing protocols are less likely prone routing loops and network reachability problems when used in discontiguous networks?（）
    A

    IGRP

    B

    CDP

    C

    OSPF

    D

    RIP v1

    E

    RIP v2

    F

    EIGRP


    正确答案： B,C
    解析： 暂无解析

  • 第23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： A
    解析： 暂无解析

相关内容