单选题Why will as witch never learn a broadcast address？（）A Broadcast frames are never sent to swiches.B Broadcast addresses use an incorrect format for the switching table.C A broadcast address will never be the source address of a frame.D Broadcasts only u

题目
单选题
Why will as witch never learn a broadcast address？（）
A

Broadcast frames are never sent to swiches.

B

Broadcast addresses use an incorrect format for the switching table.

C

A broadcast address will never be the source address of a frame.

D

Broadcasts only use network layer addressing.

E

A broadcast frame is never forwarded by a switch.

相似考题

1.VE1 is a switch in the Ezonexam network. Why will VE1 never learn the broadcast address?A. Broadcast frames are never sent to switchesB. A broadcast frame. is never forwarded by a switchC. Broadcasts only use network layer addressingD. A broadcast address will never be the source address of a frameE. Broadcast addresses use an incorrect format for the switching tableF. None of the above

2.Which two statements accurately describe a broadcast domain?()A. Broadcast domains require that the participating devices connect to common switches or hubs.B. Broadcast domains consist of devices reachable by frames addressed to the Layer 2 broadcast address.C. Broadcast domains require a gateway device such as a router.D. Broadcast domains consist of devices that reside on the same VLAN.

3.A Class C network address has been subnetted with a ／27 mask.Which of the following addresses is a broadcast address for one of the resulting subnets?()A.201.57.78.33B.201.57.78.64C.201.57.78.97D.201.56.78.97E.201.57.78.159F.201.57.78.254

4.●When a bridge transmits an Ethernet frame, the Ethernet frame. has(75).(75)A. the broadcast address for the its source addressB. the bridge's LAN address for its destination addressC. the bridge's LAN address for its source addressD. none of the above

参考答案和解析
正确答案： D
解析： 暂无解析
更多“单选题Why will as witch never learn a broadcast address？（）A Broadcast frames are never sent to swiches.B Broadcast addresses use an incorrect format for the switching table.C A broadcast address will never be the source address of a frame.D Broadcasts only u”相关问题

  • 第1题：

    What does a Layer 2 switch do if it receives a frame with a destination MAC address that is not found in its MAC address table?()

    A. The frame is dropped.

    B. The frame is addressed with a broadcast MAC address and sent out all ports.

    C. The frame is sent out all ports except the receiving port.

    D. An ARP request is sent out all ports except the receiving port.

    E. A destination unreachable message is sent back to the source address.

    F. None of the above.


    参考答案：C

  • 第2题：

    When a DHCP server is configured, which two IP addresses should never be assignable to hosts?()

    A. network or subnetwork IP address

    B. broadcast address on the network

    C. IP address leased to the LAN

    D. IP address used by the interfaces

    E. manually assigned address to the clients

    F. designated IP address to the DHCP server


    参考答案：A, B

  • 第3题：

    Why will as witch never learn a broadcast address?()

    A.Broadcast frames are never sent to swiches.

    B.Broadcast addresses use an incorrect format for the switching table.

    C.A broadcast address will never be the source address of a frame.

    D.Broadcasts only use network layer addressing.

    E.A broadcast frame is never forwarded by a switch.


    参考答案：C

  • 第4题：

    Which of the following correctly fills in the missing words of this sentence： An ARP request uses aaddress， whereas an ARP reply uses a address.（）

    • A、broadcast， multicast
    • B、unicast， broadcast
    • C、broadcast， unicast
    • D、multicast， unicast
    • E、broadcast， broadcast
    • F、unicast， multicast

    正确答案:C

  • 第5题：

    Which two statements accurately describe a broadcast domain?（）

    • A、Broadcast domains consist of devices that connect to a common switch or hub.
    • B、Broadcast domains consist of a group of devices that can be reached by sending a frame addressed to the Layer 2 broadcast address.
    • C、Broadcast domains require a gateway device such as a router.
    • D、Broadcast domains consist of devices that reside on the same sub-network.

    正确答案:B,D

  • 第6题：

    What is the result of issuing the frame-relay map ip 192.168.1.2 202 broadcast command?（）

    • A、defines the source IP address that is used in all broadcast packets on DLCI 202
    • B、defines the DLCI that is used for all packets that are sent to the 192.168.1.2 IP address
    • C、defines the destination IP address that is used in all broadcast packets on DLCI 202
    • D、defines the DLCI on which packets from the 192.168.1.2 IP address are received

    正确答案:B

  • 第7题：

    Why will as witch never learn a broadcast address？（）

    • A、Broadcast frames are never sent to swiches.
    • B、Broadcast addresses use an incorrect format for the switching table.
    • C、A broadcast address will never be the source address of a frame.
    • D、Broadcasts only use network layer addressing.
    • E、A broadcast frame is never forwarded by a switch.

    正确答案:C

  • 第8题：

    Which two statements are true about the primary address on an interface?（）

    • A、It is the address used by default as the local address for broadcast and multicast packets sourced locally and sent out of the interface.
    • B、You use the primary address when you have multiple IP addresses belonging to the same subnet on the same interface.
    • C、It can be useful for selecting the local address used for packets sent out of unnumbered interfaces when multiple non-127 addresses are configured on the loopback interface.
    • D、By default, the primary address on an interface is selected as the numerically highest local address configured on the interface.

    正确答案:A,C

  • 第9题：

    单选题
    What does a Layer 2 switch do if it receives a frame with a destination MAC address that is not found in its MAC address table?（）
    A

    The frame is dropped.

    B

    The frame is addressed with a broadcast MAC address and sent out all ports.

    C

    The frame is sent out all ports except the receiving port.

    D

    An ARP request is sent out all ports except the receiving port.

    E

    A destination unreachable message is sent back to the source address.

    F

    None of the above.


    正确答案： D
    解析： 暂无解析

  • 第10题：

    单选题
    Which of the following features would hide internal IP addresses from the Internet?（）
    A

    Network Address Translation

    B

    Port forwarding

    C

    Quality of Service

    D

    SSID broadcast


    正确答案： D
    解析： 暂无解析

  • 第11题：

    单选题
    What is the result of issuing the frame-relay map ip 192.168.1.2 202 broadcast command?（）
    A

    defines the source IP address that i s used in all broadcast packets on DLCI 202

    B

    defines the DLCI that is used for all packets that are sent to the 192.168.1.2 IP address

    C

    defines the destination IP address that is used in all broadcast packets on DLCI 202

    D

    defines the DLCI on which packets from the 192.168.1.2 IP address are received


    正确答案： B
    解析： 暂无解析

  • 第12题：

    多选题
    Which two statements are true about the primary address on an interface?（）
    A

    It is the address used by default as the local address for broadcast and multicast packets sourced locally and sent out of the interface.

    B

    You use the primary address when you have multiple IP addresses belonging to the same subnet on the same interface.

    C

    It can be useful for selecting the local address used for packets sent out of unnumbered interfaces when multiple non-127 addresses are configured on the loopback interface.

    D

    By default, the primary address on an interface is selected as the numerically highest local address configured on the interface.


    正确答案： A,C
    解析： 暂无解析

  • 第13题：

    What is the result of issuing the frame－relay map ip 192.168.1.2 202 broadcast command?()

    A. defines the source IP address that i s used in all broadcast packets on DLCI 202

    B. defines the DLCI that is used for all packets that are sent to the 192.168.1.2 IP address

    C. defines the destination IP address that is used in all broadcast packets on DLCI 202

    D. defines the DLCI on which packets from the 192.168.1.2 IP address are received


    参考答案：B

  • 第14题：

    Why will a switch never learn a broadcast address()。

    A.Broadcasts only use network layer addressing.

    B.A broadcast frame is never forwarded by a switch.

    C.A broadcast address will never be the source address of a frame.

    D.Broadcast addresses use an incorrect format for the switching table.

    E.Broadcast frames are never sent to switches.


    参考答案：C

  • 第15题：

    When a DHCP server is configured, which two IP addresses should never be assignable to hosts? （）

    • A、network or subnetwork IP address
    • B、broadcast address on the network
    • C、IP address leased to the LAN
    • D、IP address used by the interfaces
    • E、manually assigned address to the clients
    • F、designated IP address to the DHCP server

    正确答案:A,B

  • 第16题：

    Which of the following features would hide internal IP addresses from the Internet?（）

    • A、Network Address Translation
    • B、Port forwarding
    • C、Quality of Service
    • D、SSID broadcast

    正确答案:A

  • 第17题：

    Why will a switch never learn a broadcast address?（）

    • A、Broadcasts only use network layer addressing.
    • B、A broadcast frame is never forwarded by a switch.
    • C、A broadcast address will never be the source address of a frame.
    • D、Broadcast addresses use an incorrect format for the switching table.
    • E、Broadcast frames are never sent to switches.

    正确答案:C

  • 第18题：

    Why will a switch never learn a broadcast address?（）

    • A、Broadcast frames are never sent to swiches.
    • B、Broadcast addresses use an incorrect format for the switching table.
    • C、A broadcast address will never be the source address of a frame.
    • D、Broadcasts only use network layer addressing.
    • E、A broadcast frame is never forwarded by a switch.

    正确答案:C

  • 第19题：

    Which two statements accurately describe a broadcast domain?（）

    • A、Broadcast domains require that the participating devices connect to common switches or hubs.
    • B、Broadcast domains consist of devices reachable by frames addressed to the Layer 2 broadcast address.
    • C、Broadcast domains require a gateway device such as a router.
    • D、Broadcast domains consist of devices that reside on the same VLAN.

    正确答案:B,D

  • 第20题：

    Which two statements are true about the primary address on an interface? （）

    • A、It is the address used by default as the local address for broadcast and multicast packets sourced locally and sent out of the interface
    • B、You use the primary address when you have multiple IP addresses belonging to the same subnet on the same inteface
    • C、It can be useful for selecting the local address used for packets sent out of unnumbered interfaces when multiple non-127 addresses are configured on the loopback interface
    • D、By default, the primary address on an interface is selected as the nmerically highest local address configured on the interface

    正确答案:A,C

  • 第21题：

    单选题
    Why will a switch never learn a broadcast address?（）
    A

    Broadcasts only use network layer addressing.

    B

    A broadcast frame is never forwarded by a switch.

    C

    A broadcast address will never be the source address of a frame.

    D

    Broadcast addresses use an incorrect format for the switching table.

    E

    Broadcast frames are never sent to switches.


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    What is the result of issuing the frame-relay map ip 192.168.1.2 202 broadcast command?（）
    A

    defines the source IP address that is used in all broadcast packets on DLCI 202

    B

    defines the DLCI that is used for all packets that are sent to the 192.168.1.2 IP address

    C

    defines the destination IP address that is used in all broadcast packets on DLCI 202

    D

    defines the DLCI on which packets from the 192.168.1.2 IP address are received


    正确答案： A
    解析： 暂无解析

  • 第23题：

    多选题
    Which two statements are true about the primary address on an interface? （）
    A

    It is the address used by default as the local address for broadcast and multicast packets sourced locally and sent out of the interface

    B

    You use the primary address when you have multiple IP addresses belonging to the same subnet on the same inteface

    C

    It can be useful for selecting the local address used for packets sent out of unnumbered interfaces when multiple non-127 addresses are configured on the loopback interface

    D

    By default, the primary address on an interface is selected as the nmerically highest local address configured on the interface


    正确答案： B,C
    解析： 暂无解析

  • 第24题：

    单选题
    Why will as witch never learn a broadcast address？（）
    A

    Broadcast frames are never sent to swiches.

    B

    Broadcast addresses use an incorrect format for the switching table.

    C

    A broadcast address will never be the source address of a frame.

    D

    Broadcasts only use network layer addressing.

    E

    A broadcast frame is never forwarded by a switch.


    正确答案： C
    解析： 暂无解析

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