單項(xiàng)選擇題

Host 1 sends an ICMP echo request to remote sever1. Layer2 header of the frame containing the ping packet（）。

A.The IP address of sever 1.
B.The MAC address of NIC in sever 1.
C.The IP address of F0/0 interface of router R1.
D.The MAC address of the Fa0/0 interface of router R1.
E.The IP address of the s0/0/0 interface of router R2
F.The MAC address of the s0/0/0 interface of router R2

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多項(xiàng)選擇題

What are three advantages of VLANs？（）

A.VLANs establish broadcast domains in switched networks.
B.VLANs utilize packet filtering to enhance network security.
C.VLANs provide a method of conserving IP addresses in large networks.
D.VLANs provide a low-latency internetworking alternative to routed networks.
E.VLANs allow access to network services based on department,not physical location.
F.VLANs can greatly simplify adding,moving,or changing hosts on the network.

單項(xiàng)選擇題

Which layer of the OSI reference model uses the hardware address of a device to ensure message delivery to the proper host on a LAN?（）

A.physical
B.datalink
C.network
D.transport

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Host 1 sends an ICMP echo request to remote sever1. Layer2 header of the frame containing the ping packet（）。

你可能感興趣的試題

What are three advantages of VLANs？（）

Which layer of the OSI reference model uses the hardware address of a device to ensure message delivery to the proper host on a LAN?（）

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Host 1 sends an ICMP echo request to remote sever1. Layer2 header of the frame containing the ping packet（）。