单项选择题
Which statement accurately describes a benefit provided by VTP?（）
A.VTP allows routing between VLANs.
B.VTP allows a single port to carry information to more than one VLAN
C.VTP allows physically redundant links while preventing switching loops.
D.VTP allows switches to share VLAN configuration information.
相关考题
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单项选择题
OnwhichtypesofnetworkwillOSPFelectabackupdesignatedrouter?（）
A.point-to-point and multiaccess
B.point-to-multipoint and multiaccess
C.point-to-point and point-to-multipoint
D.nonbroadcast and broadcast multipoint
E.nonbroadcast and broadcast multiaccess -
单项选择题
Whywouldanetworkadministratorconfigureportsecurityonaswitch?（）
A.to prevent unauthorized Telnet access to a switch port
B.to limit the number of Layer 2 broadcasts on a particular switch port
C.to prevent unauthorized hosts from accessing the LAN
D.to protect the IP and MAC address of the switch and associated ports
E.to block unauthorized access to the switch management interfaces over common TCP ports -
单项选择题
Whatistheeffectofthefollowingaccesslistcondition?access-list101permitip10.25.30.00.0.0.255any（）。
A.permit all packets matching the first three octets of the source address to all destinations
B.permit all packets matching the last octet of the destination address and accept all source addresses
C.permit all packets from the third subnet of the network address to all destinations
D.permit all packets matching the host bits in the source address to all destinations
E.permit all packets to destinations matching the first three octets in the destination address
