多項(xiàng)選擇題After replacing the NIC card of a PC on the LAN, your Cisco switch shows a new MAC address is attached to that port. Which of the following answer choices below correctly describe a MAC address?()

A. It is a globally unique IP address.
B. It is a globally unique 48 bit address
C. It is provided by the manufacturer of the NIC.
D. It is used as part of the IPX/SPX configuration.
E. It is a logical address.


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1.多項(xiàng)選擇題Which of the following correctly describe the various functions and virtues of a router?()

A. Packet switching
B. Collision prevention on a LAN segment.
C. Packet filtering
D. Broadcast domain enlargement
E. Broadcast forwarding
F. Internetwork communication

2.多項(xiàng)選擇題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.

3.單項(xiàng)選擇題You wish to segment your LAN into multiple broadcast domains. Which technology method should you implement in order to do this?()

A. Transparent bridging
B. Cut-through switching
C. Fragment-free switches
D. Virtual LANs
E. Store-and-forward switching

4.單項(xiàng)選擇題Which one of the following characteristics is true regarding the use of hubs and switches?()

A. Hubs can have their ports be configured with VLANs
B. Using hubs is costly with regard to bandwidth availability.
C. Switches can not forward broadcasts.
D. Switches are more efficient than hubs in processing frames.
E. Switches increase the number of collision domains in the network.

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Which of the following if addresses can be assigned to host devices?()

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Which command is required for connectivity in a Frame Relay network if Inverse ARP is not operational? ()

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Which command is used to display the placement and direction of an IP access control list on a router?()

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Which of the following host addresses are member of networks that can be routed across the public Internet? ()

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Which connections allow the use of full-duplex Ethernet?()

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Which of the following options lists the steps in PPP session establishment in the correct order?()

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All WAN links is side the TestKing.com network use PPP with for authentication security. Which command will display the CHAP authentication process as it occurs between two routers in the network?()

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The network 172.12.0.0 needs to be divided into subnets where each subnet has the capacity of 458 IP addresses.What would be the correct subnet mask to accomplish this division keeping the number of subnets at the maximum? ()

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Five minutes after issuing the show running-config command, a technician enters the command again and notices that several access list statements have been altered. Because of this, the technician believes that the router is being configured by an unknown person through Telnet. Before changing the router passwords, the technician would like to discover if anyone is connected to the router by Telnet and stop them from making further changes.Which commands will accomplish these options?()

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