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Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true (Choose two.)()。

A.Router C will use ICMP to inform Host 1 that Host 2 cannot be reachedB.Router C will use ICMP to inform Router B that Host 2 cannot be reachedC.Rou

Which statements describe the routing protocol OSPF? ()

A.It supports VLSM.B.It is used to route between autonomous systems.C.It confines network instability to one area of the network.D.It increases routi

All of the routers in the network are configured with the ip subnet－zero command. Which network addresses should be used for Link A and Network A (Choose two.)()。

A.Network A - 172.16.3.48/26B.Network A - 172.16.3.128/25C.Network A - 172.16.3.192/26D.Link A - 172.16.3.0/30E.Link A - 172.16.3.40/30F.Link A - 172

The network administrator is asked to configure 113 point－to－point links.Which IP addressi

The network administrator is asked to configure 113 point-to-point links.Which IP addressing scheme best defines the address range and subnet mask th

Which parameter can be tuned to affect the selection of a static route as a backup.when a dynamic protocol is also being used?()

A.link bandwidthB.hop countC.link costD.administrative distanceE.link delay

In order to allow the establishment of a Telnet session with a router, which set of commands must be configured()。

A.AB.BC.CD.DE.EF.F

A network administrator receives an error message while tring to configure the Ethernet interface of a router with IP address 10.24.24.24／29. which statement explains the reason for this issue?()

A.The address is abroadcast address.B.The Ehernet interface is faulty.C.VLSM-capable routing protocols must be enable first on the router.D.This addr

In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN()。

A.during high traffic periodsB.after broken links are re-establishedC.when upper-layer protocols require high reliabilityD.in an improperly implement

Which of the following describe private IP addresses (Choose two.)()。

A.addresses chosen by a company to communicate with the InternetB.addresses that cannot be routed through the public InternetC.addresses that can be

Which of the following statements are true regarding bridges and switches (Choose 3.)()。

A.Switches are primarily software based while bridges are hardware based.B.Both bridges and switches forward Layer 2 broadcasts.C.Bridges are frequen

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