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.


您可能感興趣的試卷

你可能感興趣的試題

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.

最新試題

What is the purpose of pressing the Ctrl+Break keys during the router password recover procedure?()

題型:單項(xiàng)選擇題

A technician at TestKing needs to update the network documentation. One of the tasks includes documenting the name of the IOS image file of each router in the network.Which commands could be used to find this information?()

題型:單項(xiàng)選擇題

TestKing.com has allocated the IP add 199.144.27.0 is its network, to provide flexibility for the LAN design, a subnet mask of 255.255.255.240 has been chosen. Which of the following address can be assigned to LAN on the resulting subnets.()

題型:多項(xiàng)選擇題

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? ()

題型:單項(xiàng)選擇題

Which of the following contribute to congestion on an Ethernet network?()

題型:多項(xiàng)選擇題

Which Frame Relay feature is responsible for transmitting keepalives to ensure that the PVC does not shut down because of inactivity?()

題型:單項(xiàng)選擇題

New switches have been purchased for a network upgrade. The objective for the network design emphasizes efficient, error-free transport instead of fast transport.Which switching mode should be configured on the new switches to provide error-free transport to the network? ()

題型:單項(xiàng)選擇題

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?()

題型:單項(xiàng)選擇題

A router with a serial interface will be used for an ISDN link.What other function group devices are required to complete the connection to the service provider? ()

題型:多項(xiàng)選擇題

The following access list was applied outbound on he E0 interface connected to the 192.168.1.8/29 LAN:access-list 123 deny tcp 192.168.1.8 0.0.0.7 eq 20 anyaccess-list 123 deny tcp 192.168.1.9 0.0.0.7 eq 21 anyWhat effect will this access list have?()

題型:單項(xiàng)選擇題