多項(xiàng)選擇題Which two statements about the configuration of the switch interface are correct (Choose two)()。

A.The switchport belongs only to VLAN 2
B.Interface fa0/0 will be in both VLAN 1 (by default) and VLAN 2
C.The exhibit shows interface fa0/0 to be dynamically mapped to VLAN 2
D.A network host can be connected to this interface


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1.單項(xiàng)選擇題


What is the under lying cause of this problem?()
 

A. A remote physical layer problem exists.
B. The host NIC is not functioning.
C. TCP/IP has not been correctly installed on the host.
D. A local physical layer problem exists.

2.單項(xiàng)選擇題For which type of connection should a straight-through cable be used?()

A.switch to switch
B.switch to hub
C.switch to router
D.hub to hub
E.router to PC

3.多項(xiàng)選擇題Which of the following correctly describe steps in the OSI data encapsulation process?()

A.The transport layer divides a data stream into segments and may add reliability and flow control information.
B.The data link layer adds physical source and destination addresses and an FCS to the segment.
C.Packets are created when the network layer encapsulates a frame with source and destination host addresses and protocol-related control information.
D.Packets are created when the network layer adds Layer 3 addresses and control information to a segment.
E.The presentation layer translates bits into voltages for transmission across the physical link.

4.多項(xiàng)選擇題Which three of these statements regarding 802.1Q trunking are correct? ()

A.802.1Q native VLAN frames are untagged by default.
B.802.1Q trunking ports can also be secure ports.
C.802.1Q trunks can use 10 Mb/s Ethernet interfaces.
D.802.1Q trunks require full-duplex, point-to-point connectivity.
E.802.1Q trunks should have native VLANs that are the same at both ends.

5.多項(xiàng)選擇題Which two of these are characteristics of the 802.1Q protocol?()

A.it is a layer 2 messaging protocol which maintains vlan configurations across network.
B.it includes an 8-bit field which specifies the priority of a frame.
C.it is used exclusively for tagging vlan frames and dose not address network reconvergence following switched network topology changes.
D.it modifies the 802.3 frame header,and thus requires that the FCS be recomputed.
E.it is a trunking protocol capable of carring untagged frames.

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