ENetwork Final Exam - Network Fundamentals2008年04月15日 星期二 08:45Take Assessment - ENetwork Final Exam - Network Fundamentals (Version 4.0) 1Refer to the exhibit. What function does router RT_A need to provide to allow Internet access for hosts in this network?***address translationDHCP servicesftpdweb server2Refer to the exhibit. Which two statements describe the information that is represented in the header? (Choose two.)This is a server response.The UDP protocol is being used.***The destination port indicates a Telnet session.***The return segment will contain a source port of 23.The next session originated from the client of this session will use the source port number 13358.3Refer to the exhibit. Cable 1 and cable 2 have the ends wired for specific physical layer requirements. The table lists each segment by number and the cable which has been installed by the network technician between the network components on that segment. From the data given, which segments have the correct cable installed? (Choose three.)***segment1segment2***segment3***segment4segment54Refer to the exhibit. A router, whose table is shown, receives a packet that is destined for 192.168.1.4. How will router treat the packet?The packet will be dropped.The packet will be forwarded via FastEthernet 0/0. The packet will be forwarded to the destination host. ***The packet will be forwarded to the 192.168.1.3 next-hop address.5Which prompt represents the appropriate mode used for the copy running-config startup-config command ?Switch-6J>***Switch-6J
#Switch-6J(config)#
Switch-6J(config-if)
#Switch-6J(config-line)#
6Refer to the exhibit. When computer A sends a frame to computer D, what computers receive the frame?***only computer Donly computer A and computer Donly computer B, computer C, and computer Dall computers7When must a router serial interface be configured with the clock rate command?when the interface is functioning as a DTE devicewhen the interface timers have been clearedwhen the connected DTE device is shut down***when the interface is functioning as a DCE device8Which of the following are the address ranges of the private IP addresses? (Choose three.)***10.0.0.0 to 10.255.255.255200.100.50.0 to 200.100.25.255150.150.0.0 to 150.150.255.255***172.16.0.0 to 172.31.255.255***192.168.0.0 to 192.168.255.255127.16.0.0 to 127.31.255.2559Refer to the exhibit. What two facts can be determined from the information that is given? (Choose two.)***This exchange is part of the three-way handshake.The source port indicates that a Telnet session has been initiated.The data is flowing from server to client.***The destination port indicates that an HTTP session has been initiated.The data listed is associated with the transport layer.The source port does not support communication with the destination port that is listed.

10Refer to the exhibit. The diagram represents the process of sending email between clients. Select the list below that correctly identifies the component or protocol used at each numbered stage of the diagram.1.MUA 2.MDA 3.MTA 4.SMTP 5.MTA 6.POP 7.MDA 8.MUA1.MUA 2.POP 3.MDA 4.SMTP 5.MTA 6.MDA 7.SMTP 8.MUA1.MUA 2.POP 3.SMTP 4.MDA 5.MTA 6.SMTP 7.POP 8.MUA1.MDA 2.SMTP 3.MTA 4.SMTP 5.MTA 6.MUA 7.POP 8.MDA***1.MUA 2.SMTP 3.MTA 4.SMTP 5.MTA 6.MDA 7.POP 8.MUA11Which password is automatically encrypted when it is created?vtyauxconsole***enable secretenable password12Examine the graphic with current configurations. Host A in the Clerical offices failed and was replaced. Although a ping to 127.0.0.1 was successful, the replacement computer can not access the company network. What is the likely cause of the problem?IP address incorrectly enterednetwork cables unplugged***subnet mask incorrectly enterednetwork card failure13The Layer 4 header contains which type of information to aid in the delivery of data?***service port numberhost logical addressdevice physical addressvirtual connection identifier14Refer to the exhibit. A network administrator remotely accesses the CLI of RouterB from PC1 using Telnet. Which statement is true about this connection?The data is automatically encrypted.A Telnet server process is running on PC1. ***The connection is made through a VTY session on the router.A GET request was sent to RouterB to retrieve data during this session.15Refer to the exhibit. Each media link is labeled. What type of cable should be used to connect the different devices?Connection 1 - rollover cableConnection 2 - straight-through cableConnection 3 - crossover cableConnection 1 - crossover cableConnection 2 - rollover cableConnection 3 - crossover cableConnection 1 - straight-through cableConnection 2 - crossover cableConnection 3 - crossover cable***Connection 1 - straight-through cable Connection 2 - crossover cable Connection 3 - straight-through cableConnection 1 - crossover cableConnection 2 - straight-through cableConnection 3 - crossover cable16A technician is asked to secure the privileged EXEC mode of a switch by requiring a password. Which type of password would require this login and be considered the most secure?consoleenable ***enable secretVTY17Refer to the exhibit. Which logical topology best describes the exhibited network?starringpoint-to-point***multiaccessmesh18Refer to the exhibit. What three statements are true about the IP configuration that is shown? (Choose three.)***The address that is assigned to the computer represents private addressing.***The computer is unable to communicate outside of the local network.The network of this computer can have 126 hosts.***The prefix of the computer address is /27.

The IP address that is assigned to the computer is routable on the Internet.The IP address that is assigned to the computer is a broadcast address.19Which range of port numbers are reserved for services that are commonly used by applications that run on servers?0 to 255applications that run on servers0 to 10231024 to 4915149152 to 6553520Which three statements characterize the transport layer protocols? (Choose three.)***TCP and UDP port numbers are used by application layer protocols.TCP uses port numbers to provide reliable transportation of IP packets.UDP uses windowing and acknowledgments for reliable transfer of data.***TCP uses windowing and sequencing to provide reliable transfer of data.***TCP is a connection-oriented protocol. UDP is a connectionless protocol.21What are three characteristics of CSMA/CD? (Choose three.)Devices can be configured with a higher transmission priority.A jam signal indicates that the collision has cleared and the media is not busy.***A device listens and waits until the media is not busy before transmitting.The device with the electronic token is the only one that can transmit after a collision.***All of the devices on a segment see data that passes on the network medium.***After detecting a collision, hosts can attempt to resume transmission after a random time delay has expired.22In a Cisco IOS device, where is the startup-configuration file stored?Flash***NVRAMRAMROM23During the encapsulation process, which identifiers are added at the transport layer?two networks routing the packets***two applications communicating the datatwo hosts at either end of the communicationtwo nodes on the local network exchanging the frame24Refer to the exhibit. A student has wired each end of a CAT 5e cable as shown. What is the result? (Choose two.)The cable is unusable and must be rewired.The cable is suitable for use as a Gigabit Ethernet straight-through.***The cable is suitable for use as a Fast Ethernet crossover.The cable is suitable for use as a rollover cable.The cable is suitable for use as a Gigabit Ethernet crossover.***The cable is suitable for use between two 100 M
bp
s Auto-MDIX capable switches.25Which OSI layers offers reliable, connection-oriented data communication services?applicationpresentationsession***transportnetwork26Which combination of network id and subnet mask correctly identifies all IP addresses from 172.16.128.0 through 172.16.159.255?172.16.128.0 255.255.255.224172.16.128.0 255.255.0.0172.16.128.0 255.255.192.0***172.16.128.0 255.255.224.0172.16.128.0 255.255.255.19227What is true regarding network layer addressing? (Choose three.)uses a flat structureprevent broadcasts***heirarchical***uniquely identifies each host48 bits in length***contains a network portion28Refer to the exhibit. What is the correct destination socket number for a web page request from Host A to the web server?

00-08-a3-b6-ce-46***198.133.219.25:80http://www.cisco.comC 198.133.219.0/24 is directly connected, FastEthernet0/029Refer to the exhibit. The network containing router B is experiencing problems. A network associate has isolated the issue in this network to router B. What action can be preformed to correct the network issue?issue the clock rate command on interface Serial 0/0/0issue the description command on interface Serial 0/0/1issue the ip address command on interface FastEthernet 0/0***issue the no shutdown command on interface FastEthernet 0/130Refer to the exhibit. What is required on host A for a network technician to create the initial configuration on Router1?an FTP clienta Telnet client***a terminal emulation programa web browser31Refer to the exhibit. A technician is working on a network problem that requires verification of the router LAN interface. What address should be pinged from this host to confirm that the router interface is operational?127.0.0.1192.168.64.196***192.168.254.1192.168.254.9192.168.254.25432Which type of media is immune to EMI and RFI? (Choose two.)10 Base-T10 Base-210 Base-5***100 Base-FX100 Base TX***1000 Base LX33Refer to the exhibit. On the basis of the IP configuration that is shown, what is the reason that Host A and Host B are unable to communicate outside the local network?Host A was assigned a network address.Host B was assigned a multicast address.Host A and Host B belong to different networks.***The gateway address was assigned a broadcast address.34Which three IPv4 addresses represent a broadcast for a subnet? (Choose three.)***172.16.4.63 /26172.16.4.129 /26***172.16.4.191 /26172.16.4.51 /27***172.16.4.95 /27172.16.4.221 /2735Refer to the exhibit. Host A is transmitting data to host B. What addresses will host A use to for the destination IP and MAC addresses in this communication?Destination MAC: BBBB:BBBB:BBBB Destination IP: 172.22.0.62Destination MAC: DDDD:DDDD:DDDD Destination IP: 172.22.0.75Destination MAC: EEEE:EEEE:EEEE Destination IP: 172.22.0.62Destination MAC: BBBB:BBBB:BBBB Destination IP: 172.22.0.75***Destination MAC: EEEE:EEEE:EEEE Destination IP: 172.22.0.75Destination MAC: DDDD:DDDD:DDDD Destination IP: 172.22.0.9436Refer to the exhibit. The tracert command is initiated from PC1 to PC4. Which device will send a response to the initial tracert packet from PC1?AthensAnkara***LondonParisPC437Which two functions of the OSI model occur at layer two? (Choose two.)***physical addressingencodingroutingcabling***media access control38A PC can not connect to any remote websites, ping its default gateway, or ping a printer that is functioning properly on the local network segment. Which action will verify that the TCP/IP stack is functioning correctly on this PC?

你考多少啊？？？

答案呢？

顶兄弟你考了多少? 谢谢了

兄弟 谢谢了

我郁闷，我抽到的不是这套题目，这套题目得分是 95% ，放心

兄弟 谢啦.答案不错.

答案不错，95.9呀，顶一下！

呵呵 ，顶。真是节省大批时间。。。兄弟谢啦。

谢谢了，考了九十多，呵呵```````

这是09年最新的答案么··我们老师要给我们考final第一学期考试。。我虽然努力学了，但对于考试方面具体的还不太懂！~

不错啊……