單項選擇題At Layer 2 of the OSI model, which component connects a host to the network media?()

A. Hub
B. Switch
C. Bridge
D. NIC
E. Transceiver


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題Which command is required for connectivity in a Frame Relay network if Inverse ARP is not operational?()

A. frame-relay arp
B. frame-relay map
C. frame-relay interface-dlci
D. frame-relay lmi-type

2.單項選擇題What will a router do during startup if a configuration file is not located in NVRAM?()

A. it will search for the configuration file in the locations specified by boot system commands.
B. it will search for the configuration file in flash and if no configuration file is found there, it will enter the setup dialog.
C. it will search for the configuration file on a TFTP server and if no configuration file is found there, it will enter the setup dialog.
D. it will search for the configuration file in flash and if no configuration file is found there, it will load a limited configuration file from ROM.
E. it will search for the configuration file on a TFTP server and if no configuration file is found there, it will load a limited configuration file from ROM.

3.單項選擇題A router leams about a remote network from EIGRP.OSPF. and a static route. Assuming all routing protocols are using their default administrative distance, which route will the router use to forward data to the remote network?()

A. The router will use the static route.
B. The router will use the OSPF route.
C. The route will use the EIGRP route.
D. The router will load balance and use all three routes.

5.單項選擇題What is the advantage of using a multipoint interface instead of point-to-point subinterfaces when configuring a Frame Relay hub in a hub-and-spoke topology?()

A. it avoids split-horizon issues with distance vector routing protocols.
B. IP addresses can be conserved if VLSM is not being used for subnetting.
C. A multipoint interface offers greater security compared to point-to-point subinterface configurations.
D. The multiple IP network addresses required for a multipoint interface provide greater addressing flexibility over point-to-point configurations.

6.多項選擇題What are the possible trunking modes for a switch port?()

A.transparent
B.auto
C.on
D.desirable
E.client
F.forwarding

7.多項選擇題Which of the following are types of flow control?()

A.buffering
B.cut-through
C.windowing
D.congestion avoidance
E.loadbalancing

8.單項選擇題Which statement about the ip classless router command is true?()

A. The ip classless command is enabled by default in recent versions of IOS.
B. The ip classless command should only be enabled when static routing is being used instead of a routing protocol.
C. The ip classless command should be enabled by the network administrator whenever RIPv1 or IGRP is being used.
D. The ip classless command should be enabled by the network administrator whenever OSPF, RIPv2, or EIGRP is being used.

10.多項選擇題Which of the following host addresses are members of networks that can be routed across the public Internet?()

A.10.172.13.65
B.172.16.223.125
C.172.64.12.29
D.192.168.23.252
E.198.234.12.95
F.212.193.48.254

最新試題

Five minutes after issuing the show running-config command, a technician enters the command again and notices that several access list statements have been altered. Because of this, the technician believes that the router is being configured by an unknown person through Telnet. Before changing the router passwords, the technician would like to discover if anyone is connected to the router by Telnet and stop them from making further changes.Which commands will accomplish these options?()

題型:多項選擇題

A Class C network address has been subnetted with a /27 mask.Which of the following addresses is a broadcast address for one of the resulting subnets?()

題型:單項選擇題

Which of the following describe router functions?()

題型:多項選擇題

All WAN links is side the TestKing.com network use PPP with for authentication security. Which command will display the CHAP authentication process as it occurs between two routers in the network?()

題型:單項選擇題

What is the purpose of pressing the Ctrl+Break keys during the router password recover procedure?()

題型:單項選擇題

Which characteristics are representative of a link-state routing protocol?()

題型:多項選擇題

Which statement describes the rule of split horizon?()

題型:單項選擇題

The network 172.12.0.0 needs to be divided into subnets where each subnet has the capacity of 458 IP addresses.What would be the correct subnet mask to accomplish this division keeping the number of subnets at the maximum? ()

題型:單項選擇題

Which of the following statements regarding routed and routing protocols are true?()

題型:多項選擇題

Which of the following contribute to congestion on an Ethernet network?()

題型:多項選擇題