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switching concepts

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switching concepts
21問 • 1年前learned
  • Mahmoud
    • 通報

    問題一覧

  • 1

    1. Which statement is true about broadcast and collision domains?

    Adding a switch to a network will increase the size of the broadcast domain.

  • 2

    2. What is one function of a Layer 2 switch

    determines which interface is used to forward a frame based on the destination MAC address

  • 3

    3. What is the significant difference between a hub and a Layer 2 LAN switch?

    A switch creates many smaller collision domains, and a hub increases the size of a single collision domain.

  • 4

    4. What will a Cisco LAN switch do if it receives an incoming frame and the destination MAC address is not listed in the MAC address table?4. What will a Cisco LAN switch do if it receives an incoming frame and the destination MAC address is not listed in the MAC address table?

    Forward the frame out all ports except the port where the frame is received

  • 5

    5. Which switch characteristic helps alleviate network congestion when a 10 Gbps port is forwarding data to a 1 Gbps port?5. Which switch characteristic helps alleviate network congestion when a 10 Gbps port is forwarding data to a 1 Gbps port?

    frame buffering

  • 6

    6. Which switching method makes use of the FCS value?

    store-and-forward

  • 7

    7. What does the term “port density” represent for an Ethernet switch?

    the number of available ports

  • 8

    8. Which information does a switch use to keep the MAC address table information current?

    the source MAC address and the incoming port

  • 9

    9. Which two statements are true about half-duplex and full-duplex communications? (Choose two.)

    Full duplex increases the effective bandwidth., Full duplex allows both ends to transmit and receive simultaneously.

  • 10

    10. Which type of address does a switch use to build the MAC address table?

    source MAC address

  • 11

    11. Which option correctly describes a switching method?

    store-and-forward: ensures that the frame is free of physical and data-link errors

  • 12

    12. Which network device can serve as a boundary to divide a Layer 2 broadcast domain?

    router

  • 13

    13. What is the purpose of frame buffers on a switch?

    They hold traffic, thus alleviating network congestion.

  • 14

    14. Which network device can be used to eliminate collisions on an Ethernet network?

    switch

  • 15

    15. What criteria is used by a Cisco LAN switch to decide how to forward Ethernet frames?

    Destination MAC address

  • 16

    16. What are two reasons a network administrator would segment a network with a Layer 2 switch? (Choose two.)

    To enhance user bandwidth, To isolate traffic between segments

  • 17

    17. A switch has received a frame on an ingress port. What will the switch do if the unicast destination MAC address is in the MAC address table?

    It will forward the frame out of the specified port in the MAC address table

  • 18

    18. A switch has received a frame on an ingress port. What will the switch do if the unicast destination MAC address is not in the MAC address table?

    It will forward the frame out all ports except the incoming port.

  • 19

    19. A switch has received a frame on an ingress port. What will the switch do if the destination MAC address is a broadcast address?

    It will forward the frame out all ports except the incoming port.

  • 20

    20. Which switching method forwards the frame immediately after examining the destination MAC address?

    Cut-though

  • 21

    21. Which statement about half-duplex and full-duplex communication is true

    Full-duplex communication is bidirectional

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    問題一覧

  • 1

    1. Which statement is true about broadcast and collision domains?

    Adding a switch to a network will increase the size of the broadcast domain.

  • 2

    2. What is one function of a Layer 2 switch

    determines which interface is used to forward a frame based on the destination MAC address

  • 3

    3. What is the significant difference between a hub and a Layer 2 LAN switch?

    A switch creates many smaller collision domains, and a hub increases the size of a single collision domain.

  • 4

    4. What will a Cisco LAN switch do if it receives an incoming frame and the destination MAC address is not listed in the MAC address table?4. What will a Cisco LAN switch do if it receives an incoming frame and the destination MAC address is not listed in the MAC address table?

    Forward the frame out all ports except the port where the frame is received

  • 5

    5. Which switch characteristic helps alleviate network congestion when a 10 Gbps port is forwarding data to a 1 Gbps port?5. Which switch characteristic helps alleviate network congestion when a 10 Gbps port is forwarding data to a 1 Gbps port?

    frame buffering

  • 6

    6. Which switching method makes use of the FCS value?

    store-and-forward

  • 7

    7. What does the term “port density” represent for an Ethernet switch?

    the number of available ports

  • 8

    8. Which information does a switch use to keep the MAC address table information current?

    the source MAC address and the incoming port

  • 9

    9. Which two statements are true about half-duplex and full-duplex communications? (Choose two.)

    Full duplex increases the effective bandwidth., Full duplex allows both ends to transmit and receive simultaneously.

  • 10

    10. Which type of address does a switch use to build the MAC address table?

    source MAC address

  • 11

    11. Which option correctly describes a switching method?

    store-and-forward: ensures that the frame is free of physical and data-link errors

  • 12

    12. Which network device can serve as a boundary to divide a Layer 2 broadcast domain?

    router

  • 13

    13. What is the purpose of frame buffers on a switch?

    They hold traffic, thus alleviating network congestion.

  • 14

    14. Which network device can be used to eliminate collisions on an Ethernet network?

    switch

  • 15

    15. What criteria is used by a Cisco LAN switch to decide how to forward Ethernet frames?

    Destination MAC address

  • 16

    16. What are two reasons a network administrator would segment a network with a Layer 2 switch? (Choose two.)

    To enhance user bandwidth, To isolate traffic between segments

  • 17

    17. A switch has received a frame on an ingress port. What will the switch do if the unicast destination MAC address is in the MAC address table?

    It will forward the frame out of the specified port in the MAC address table

  • 18

    18. A switch has received a frame on an ingress port. What will the switch do if the unicast destination MAC address is not in the MAC address table?

    It will forward the frame out all ports except the incoming port.

  • 19

    19. A switch has received a frame on an ingress port. What will the switch do if the destination MAC address is a broadcast address?

    It will forward the frame out all ports except the incoming port.

  • 20

    20. Which switching method forwards the frame immediately after examining the destination MAC address?

    Cut-though

  • 21

    21. Which statement about half-duplex and full-duplex communication is true

    Full-duplex communication is bidirectional