單項選擇題Which WAN technology was designed to give homes and small business high speed digital dial-up service over already existing communication infrastructure?()

A. X25
B. Frame Relay
C. ATM
D. ISDN
E. ATX
F. None of the above


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1.單項選擇題You are preparing to create a point to point WAN by connecting a Cisco router with a Juniper router by way of their serial links. Which one of the following commands would you use?()

A. TK1(config-if)# encapsulation hdlc ansi
B. TK1(config-if)# encapsulation ppp
C. TK1(config-if)# encapsulation LAPD
D. TK1(config-if)# encapsulation frame-relay ietf
E. TK1(config)#encapsulation ppp

2.單項選擇題Which one of the WAN data-link protocols below is used for out-of-band signaling?()

A. HDLC
B. NCP
C. PAP
D. LAPD
E. LAPB
F. None of the above

3.多項選擇題Which of the following correctly describe characteristics of PPP?()

A. Encapsulates several different types of routing protocols.
B. Supports only IP.
C. Can be used over analog circuits.
D. Is proprietary to Cisco
E. Supports error correction.

4.多項選擇題What are some common layer 2 encapsulations for a WAN link?()

A. Ethernet
B. PPP
C. Token Ring
D. HDLC
E. Frame Relay
F. POTS

6.單項選擇題A router receives a packet on interface 172.16.45.66/26. The source IP of the packet is 172.16.45.127/26 and the destination is 172.16.46.191/26.How will the router handle the packet?()

A. The destination is a host on another subnet, so the router will not forward the packet.
B. The destination is a host on the same subnet, so the router will forward the packet.
C. The destination is a broadcast address, so the router will not forward the packet.
D. The destination is a network address, so the router will forward the packet.

7.單項選擇題Network equipment supporting the use of flow control mechanisms has been recently installed. What is the purpose of flow control in a data network?()

A. It ensures that data is retransmitted if an acknowledgment is not received.
B. It reassembles segments in the correct order on the destination device.
C. It provides a mechanism for the receiver to control the transmission speed.
D. It regulates the size of each datagram segment.
E. All of the above are functions of flow control

8.單項選擇題The command "ip route 192.168.24.64 255.255.255.192 192.168.8.2 100" was configured on a router named TK1. No routing protocols or other static routes are configured on the Corporate router yet.Based on this information, which statement is true about this command?()

A. This command sets a gateway of last resort for the TK1 router.
B. The number 100 indicates the number of hops to the destination network.
C. The interface with IP address 192.168.8.2 is on the TK1 router.
D. The command creates a static route for all IP traffic with the source address 192.168.24.64.
E. Packets destined for host 192.168.24.124 will be sent to 192.168.8.2.
F. None of the above

9.單項選擇題A PC on a network segment sends data to another PC on a different segment.Which of the following correctly describe the correct order of how this data will be encapsulated?()

A. Data, Frame, Packet, Segment, Bit
B. Data, Frame, Segment, Packet, Bit
C. Data, Packet, Frame, Segment, Bit
D. Data, Packet, Segment, Frame, Bit
E. Data, Segment, Frame, Packet, Bit
F. Data, Segment, Packet, Frame, Bit

10.單項選擇題What term is used to describe the process where one frame is placed into a different type of frame?()

A. Framing
B. De-encapsulation
C. Encapsulation
D. De-framing
E. None of the above

最新試題

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

題型:多項選擇題

A Router with a BRI/T interface will be used for an ISDN Connection what other ISDN device is required to complete this connection? ()

題型:單項選擇題

Which of the following host addresses are member of networks that can be routed across the public Internet? ()

題型:多項選擇題

How many usable sub network and usable hosts per subnet result in the network address 201.105.13.0 is sub netted with a mask of /26? ()

題型:單項選擇題

Which of the following correctly describe steps in the OSI data encapsulation process?()

題型:多項選擇題

A technician at TestKing needs to update the network documentation. One of the tasks includes documenting the name of the IOS image file of each router in the network.Which commands could be used to find this information?()

題型:單項選擇題

Given a subnet mask of 255.255.255.224, which of the following addresses can be assigned to network hosts?()

題型:多項選擇題

Which command is required for connectivity in a Frame Relay network if Inverse ARP is not operational? ()

題型:單項選擇題

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

Which connections allow the use of full-duplex Ethernet?()

題型:多項選擇題