多项选择题
Which of the following are key characteristics of PPP？（）
A.can be used over analog circuits
B.maps Layer 2 to Layer 3 address
C.encapsulates several routed protocols
D.supports IP only
E.provides error correction
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相关考题
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单项选择题
There are no boot system commands in arouter configuration in NVRAM.What is the fallback sequence that router will use to find an ios during reload?（）
A.Flash,TFTPserver,ROM
B.Flash,NVRAM,ROM
C.ROM,NVRAM,TFTP server
D.NVRAM,TFTP server,ROM
E.TFTP server,Flash,NVRAM -
多项选择题
Which two statements about the use of VLANs to segment a network are true? （）
A.VLANs increase the size of collision domains.
B.VLANs allow logical grouping of users by function.
C.VLANs simplify switch administration.
D.VLANs enhance network security. -
单项选择题
A switch is configured with all ports assigned to vlan 2 with full duplex FastEthernet to segment existing departmental traffiC.What is the effect of adding switch ports to a new VLAN on the switch?（）
A.More collision domains will be created.
B.IP address utilization will be more efficient.
C.More bandwidth will be required than was needed previously.
D.An additional broadcast domain will be created.
