多項選擇題Which of the following describe router functions?()

A. Packet switching
B. Collision prevention on a LAN segment
C. Packet filtering
D. Broadcast domain enlargement
E. Broadcast forwarding
F. Internetwork communication


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1.單項選擇題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?()

A.201.57.78.33
B.201.57.78.64
C.201.57.78.97
D.201.56.78.97
E.201.57.78.159
F.201.57.78.254

2.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

3.多項選擇題Identify three valid host addresses in the 192.168.27.0 network with a subnet mask of 255.255.255.240. ()

A.192.168.27.33
B.192.168.27.112
C.192.168.27.119
D.192.168.27.126
E.192.168.27.175
F.192.168.27.208

4.單項選擇題You are upgrading your Cisco router IOS from a TFTP server over the network. The upgrade procedure is stopped and you are prompted to erase the current flash contents before continuing. What is most plausible reason for this? ()

A. There is insufficient room for more than one image.
B. The router has detected a copy of the current software image on the TFTP server.
C. The file can be relocated and not compressed.
D. The image to load is a binary executable file.

5.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

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Which Frame Relay feature is responsible for transmitting keepalives to ensure that the PVC does not shut down because of inactivity?()

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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?()

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

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

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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?()

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You are configuring a new Catalyst switch that you want to manage remotely from workstations on other network segments within your enterprise.Which of the following are required to allow remote management of the switch over IP?()

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What should the configuration register value be after successfully completing the password recover procedure and returning the router to normal operation? ()

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