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 incorre

题目
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.

相似考题

1.A Ezonexam switch is configured with all ports assigned to VLAN 2. In addition, all ports are configured as full-duplex FastEthernet. What is the effect of adding switch ports to a new VLAN on this switch?A．The additions will create more collisions domains.B．IP address utilization will be more efficient.C．More bandwidth will be required than was needed previously.D．An additional broadcast domain will be created.E．The possibility that switching loops will occur will increase dramatically.

2.The network administrator has configured port security on a Ezonexam switch. Why would a network administrator configure port security on this Ezonexam device?A．To prevent unauthorized hosts from getting access to the LANB．To limit the number of Layer 2 broadcasts on a particular switch portC．To prevent unauthorized Telnet or SSH access to a switch portD．To prevent the IP and MAC address of the switch and associated portsE．None of the above

3.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

4.When comparing and contrasting the similarities and differences between bridges and switches, which of the following are valid statements? Choose all the valid answer choices)A. Bridges are faster than switches because they have fewer ports.B. A switch is a multiport bridge,C. Bridges and switches learn MAC addresses by examining the source MAC address of each frame. received.D. A bridge will forward a broadcast but a switch will not.E. Bridges and switches increase the size of a collision domain.F. None of the above statements are true.

更多“Why will a switch never learn a broadcast address?（）”相关问题

  • 第1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2题：

    Why would a network administrator configure port security on a switch?（）

    • A、To prevent unauthorized Telnet access to a switch port.
    • B、To limit the number of Layer 2 broadcasts on a particular switch port.
    • C、To prevent unauthorized hosts from accessing the LAN.
    • D、To protect the IP and MAC address of the switch and associated ports.
    • E、To block unauthorized access to the switch management interfaces over common TCP ports.

    正确答案:C

  • 第3题：

    Why would a network administrator configure port security on a switch?（）

    • A、to prevent unauthorized Telnet access to a switch port
    • B、to limit the number of Layer 2 broadcasts on a particular switch port
    • C、to prevent unauthorized hosts from accessing the LAN
    • D、to protect the IP and MAC address of the switch and associated ports
    • E、to block unauthorized access to the switch management interfaces over common TCP ports

    正确答案:C

  • 第4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5题：

    When comparing and contrasting the similarities and differences between bridges and switches, which of the following are valid statements?（）

    • A、Bridges are faster than switches because they have fewer ports.
    • B、A switch is a multiport bridge,
    • C、Bridges and switches learn MAC addresses by examining the source MAC address of each frame received.
    • D、A bridge will forward a broadcast but a switch will not.
    • E、Bridges and switches increase the size of a collision domain.
    • F、None of the above statements are true.

    正确答案:B,C

  • 第6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:C

  • 第7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

  • 第8题：

    单选题
    Why would a network administrator configure port security on a switch（）。
    A

    to prevent unauthorized Telnet access to a switch port

    B

    to limit the number of Layer 2 broadcasts on a particular switch port

    C

    to prevent unauthorized hosts from accessing the LAN

    D

    to protect the IP and MAC address of the switch and associated ports

    E

    to block unauthorized access to the switch management interfaces over common TCP ports


    正确答案： E
    解析： 暂无解析

  • 第9题：

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

    Bridges are faster than switches because they have fewer ports.

    B

    A switch is a multiport bridge.

    C

    Bridges and switches learn MAC addresses by examining the source MAC address of each frame received.

    D

    A bridge will forward a broadcast but a switch will not.

    E

    Bridges and switches increase the size of a collision domain.


    正确答案： E,B
    解析： 暂无解析

  • 第10题：

    单选题
    Why would a network administrator configure port security on a switch?（）
    A

    To prevent unauthorized Telnet access to a switch port.

    B

    To limit the number of Layer 2 broadcasts on a particular switch port.

    C

    To prevent unauthorized hosts from accessing the LAN.

    D

    To protect the IP and MAC address of the switch and associated ports.

    E

    To block unauthorized access to the switch management interfaces over common TCP ports.


    正确答案： D
    解析： 暂无解析

  • 第11题：

    Why would a network administrator configure port security on a switch()。

    A.to prevent unauthorized Telnet access to a switch port

    B.to limit the number of Layer 2 broadcasts on a particular switch port

    C.to prevent unauthorized hosts from accessing the LAN

    D.to protect the IP and MAC address of the switch and associated ports

    E.to block unauthorized access to the switch management interfaces over common TCP ports


    参考答案：C

  • 第12题：

    A switch is configured with all ports assigned to vlan 2 with full duplex FastEthernet to segment existing departmental traffic. What is the effect of adding switch ports to a new VLAN on the switch?（）

    • A、More collision domains will be created.
    • B、IP address utilization will be more efficient.
    • C、More bandwidth will be required than was needed previously.
    • D、An additional broadcast domain will be created.

    正确答案:D

  • 第13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.

    正确答案:C

  • 第15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16题：

    Which of the following protocols would a multilayer switch use to learn the IP address of a directly connected device？（）

    • A、ARP
    • B、BOOTP
    • C、Inverse-ARP
    • D、DNS

    正确答案:A

  • 第17题：

    多选题
    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： D,B
    解析： 暂无解析

  • 第18题：

    单选题
    A switch is configured with all ports assigned to vlan 2 with full duplex FastEthernet to segment existing departmental traffic. What is the effect of adding switch ports to a new VLAN on the switch?（）
    A

    More collision domains will be created.

    B

    IP address utilization will be more efficient.

    C

    More bandwidth will be required than was needed previously.

    D

    An additional broadcast domain will be created.


    正确答案： D
    解析： 暂无解析

  • 第19题：

    单选题
    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
    解析： 暂无解析

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