A.Executing password recovery is required.
B.The virtual terminal lines are misconfigured.
C.Use Telnet to connect to RouterA and then to NewSwitch to correct the error.
D.Power cycle of NewSwitch will return it to a default configuration.

A.Port security is implemented on the fa0/1 interface.
B.MAC address 0000.00aa.aaaa does not need to be learned by this switch.
C.Only MAC address 0000.00aa.aaaa can source frames on the fa0/1 segment.
D.Frames with a Layer 2 source address of 0000.00aa.aaaa will be forwarded out fa0/1.
E.MAC address 0000.00aa.aaaa will be listed in the MAC address table for interface fa0/1 only.

A.255.255.255.240
B.255.255.255.254
C.255.255.255.252
D.255.255.255.0
E.255.255.255.248

A.A more efficient use of bandwidth can be achieved allowing many physical groups to use the same network infrastructure
B.Broadcast storms can be mitigated by decreasing the number of broadcast domains,thus increasing their size.
C.A higher level of network security can be reached by separating sensitive data traffic from other network traffic.
D.Port-based vlans increase switch-port use efficient,thanks to 802.1Q trunks
E.A more efficient use of bandwidth can be achieved allowing many logical networks to use the same network infrastructure.
F.Broadcast storms can be mitigated by increasing the number of broadcast domains,thus reducing their size.
G. VLANs make it easier for IT staff to configure new logical groups,because the vlans all belong to the same broadcast domain.

A.交換機(jī)1的IP地址
B.交換機(jī)1的MAC地址
C.主機(jī)C的IP地址
D.主機(jī)C的MAC地址
E.路由器的E0接口的IP地址
F.路由器的E0接口的MAC地址