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思科第一学期期末考试官方标准答案.pdf

发布时间：2022-06-10 发布人：admin 分类：说明书 资料大小：0.88M 资料格式：pdf 举报 版权申诉
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    1 A network administrator is asked to design a new addressing scheme for a corporate network. There are 60 users in the main office, 40 users in the branch office, 28 users in manufacturing, 12 in the sales office, and 4 users in the research office. Which VLSM addressing scheme that uses the 192.168.88.0/24 network will fulfill the requirements while wasting the fewest addresses? 192.168.88.0/26 main 192.168.88.32/26 branch 192.168.88.64/26 manufacturing 192.168.88.96/27 sales 192.168.88.128/28 research 192.168.88.0/26 main 192.168.88.64/26 branch 192.168.88.128/27 manufacturing 192.168.88.160/28 sales 192.168.88.176/29 research 192.168.88.0/27 main 192.168.88.32/27 branch 192.168.88.64/28 manufacturing 192.168.88.80/29 sales 192.168.88.88/30 research 192.168.88.0/27 main 192.168.88.64/28 branch 192.168.88.80/28 manufacturing 192.168.88.96/29 sales 192.168.88.104/30 research 2 Which application belongs to the category of the client/server model? using Telnet to access a router exchanging information via instant messaging printing a document to a locally connected printer scanning a document with a directly connected scanner 3 Which two types of media can provide bandwidth up to 1 Gb/s? (Choose two.)
    10 BASE-T 100 BASE-T 100 BASE-FX 1000 BASE-TX 1000 BASE-SX 4 An administrator has made changes to a device. The changes did not have the desired effect. What can the administrator do to restore the configuration saved in NVRAM? Issue the erase flash command. Issue the reload command and respond no to the prompt that follows. Issue the erase start-up config command. Issue the copy running-config start-up config command. 5 Which option shows how a router will route packets to a remote network?
    6 Which configuration mode is used to set a password to authenticate users that are accessing and configuring the network device using a Telnet connection? VTY line mode interface mode console line mode global configuration mode 7 To send data through a network, what two flags are used to establish a session? (Choose two.) ACK CRC SYN Ack # Port # Seq # 8 Which service is used when the nslookup command is issued on a computer? FTP DNS
    DHCP Telnet 9 Refer to the exhibit. Which list refers only to end devices? D,E,F,G A,H,B,C A,D,E,F A,D,E,G 10 Which topology divides the collision domain and provides full media bandwidth to the hosts in the network?
    11 During the encapsulation process, what identifiers are added at the transport layer?
    source and destination IP addresses source and destination MAC addresses source and destination port numbers source and destination channel identifiers 12 Refer to the exhibit. The diagram represents the process of sending e-mail between clients. Which list 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.MUA 1.MUA 2.POP 3.MDA 4.SMTP 5.MTA 6.MDA 7.SMTP 8.MUA 1.MUA 2.POP 3.SMTP 4.MDA 5.MTA 6.SMTP 7.POP 8.MUA 1.MUA 2.SMTP 3.MTA 4.SMTP 5.MTA 6.MDA 7.POP 8.MUA 13
    Refer to the exhibit. While configuring a network, a technician wired each end of a Category 5e cable as shown. Which two statements are true about this setup? (Choose two.) The cable is suitable for connecting a switch to a router Ethernet port. The cable is suitable for connecting dissimilar types of devices. The cable is unusable and must be rewired. The cable is terminated in a way that the transmit pin is wired to the receive pin. The cable simulates a point-to-point WAN link. 14 Which combination of network id and subnet mask correctly identifies all IP addresses from 172.16.128.0 through 172.16.159.255? 172.16.128.0 255.255.255.224 172.16.128.0 255.255.0.0 172.16.128.0 255.255.192.0 172.16.128.0 255.255.224.0 172.16.128.0 255.255.255.192 15
    Refer to the exhibit. Which two layers of the OSI model describe the same functions as the transport and internet layers of the TCP/IP model? (Choose two.) application layer presentation layer session layer transport layer network layer data link layer physical layer 16 Which of the following are the address ranges of the private IP addresses? (Choose three.) 10.0.0.0 to 10.255.255.255 200.100.50.0 to 200.100.25.255 150.150.0.0 to 150.150.255.255 172.16.0.0 to 172.31.255.255
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