多项选择题
The OSPF Hello protocol performs which of the following tasks? (Choose two.)（）
A.It provides dynamic neighbor discovery.
B.It detects unreachable neighbors in 90 second intervals.
C.It maintains neighbor relationships.
D.It negotiates correctness parameters between neighboring interfaces.
E.It uses timers to elect the router with the fastest links as the designated router.
F.It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF
相关考题
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多项选择题
AnetworkadministratorwantstoensurethatonlytheservercanconnecttoportFa0/1onaCatalystswitch.TheserverispluggedintotheswitchFa0/1portandthenetworkadministratorisabouttobringtheserveronline.WhatcantheadministratordotoensurethatonlytheMACaddressoftheserverisallowedbyswitchportFa0/1?（）
A.Configure port Fa0/1 to accept connections only from the static IP address of the server.
B.Employ a proprietary connector type on Fa0/1 that is incompatible with other host connectors.
C.Configure the MAC address of the server as a static entry associated with port Fa0/1.
D.Bind the IP address of the server to its MAC address on the switch to prevent other hosts from spoofing the server IP address.
E.Configure port security on Fa0/1 to reject traffic with a source MAC address other than that of the server.
F.Configure an access list on the switch to deny server traffic from entering any port other than Fa0/1. -
多项选择题
AtwhichlayersoftheOSImodeldoWANsoperate?(Choosetwo.)（）
A.application layer
B.session layer
C.transport layer
D.network layer
E.datalink layer
F.physical layer -
多项选择题
WhichthreestatementsdescribethedifferencesbetweenRIPversion1andRIPversion2?(Choosethree.)（）
A.RIP version 1 broadcasts updates whereas RIP version 2 uses multicasts.
B.RIP version 1 multicasts updates while RIP version 2 uses broadcasts.
C.Both RIP version 1 and RIP version 2 are classless routing protocols.
D.RIP Version 2 is a classless routing protocol whereas RIP version 1 is a classful routing protocol.
E.Both RIP version 1 and version 2 support authentication.
F.RIP version 2 sends the subnet mask in updates and RIP version 1 does not.
