Answers CCNA I Final exam

01. When connectionless protocols are implemented at the lower layers of the OSI model, what is usually used to acknowledge that the data was received and to request the retransmission of missing data?
  • IP
  • UDP
  • Ethernet
  • a connectionless acknowledgement
  • an upper-layer, connection-oriented protocol or service
02.Refer to the exhibit. Each media link is labeled. What type of cable should be used to connect the different devices?
  • Connection 1 – rollover cable
    Connection 2 – straight-through cable
    Connection 3 – crossover cable
  • Connection 1 – crossover cable

  • Connection 2 – rollover cable
    Connection 3 – crossover cable
  • Connection 1 – straight-through cable
    Connection 2 – crossover cable
    Connection 3 – crossover cable
  • Connection 1 – straight-through cable
    Connection 2 – crossover cable
    Connection 3 – straight-through cable
  • Connection 1 – crossover cable
    Connection 2 – straight-through cable
    Connection 3 – crossover cable
03. Which OSI layer does IP rely on to determine whether packets have been lost and to request retransmission?
  • application
  • presentation
  • session
  • transport
04.Refer 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
  • C is directly connected, FastEthernet0/0
05. A 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?
  • Use the ipconfig /all command at the host’s command prompt.
  • Use the ping command at the command prompt.
  • Use the traceroute command at the command prompt to identify any failures on the path to the gateway.
  • Use FTP to check for connectivity to remote sites.
  • Download a troubleshooting tool from the PC manufacturer’s website.
06. Which type of media is immune to EMI and RFI? (Choose two.)
  • 10 Base-T
  • 10 Base-2
  • 10 Base-5
  • 100 Base-FX
  • 100 Base TX
  • 1000 Base LX
07.Refer to the exhibit. The command that is shown was issued on a PC. What does the IP address represent?
  • IP address of the host
  • default gateway of the host
  • IP address of the homepage for the host
  • primary domain name server for the host
  • IP address of the website resolver1.mooki.local
08.Refer 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.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.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.MUA
09. What is true regarding network layer addressing? (Choose three)
  • uses a flat structure
  • prevent broadcasts
  • heirarchical
  • uniquely identifies each host
  • 48 bits in length
  • contains a network portion
10. Which OSI layers offers reliable, connection-oriented data communication services?
  • application
  • presentation
  • session
  • transport
  • network
11.Examine the graphic with current configurations. Host A in the Clerical offices failed and was replaced. Although a ping to was successful, the replacement computer can not access the company network. What is the likely cause of the problem?
  • IP address incorrectly entered
  • network cables unplugged
  • subnet mask incorrectly entered
  • network card failure
12.Refer to the exhibit. Host A attempts to establish a TCP/IP session with host C. During this attempt, a frame was captured with the source MAC address 0050.7320.D632 and the destination MAC address 0030.8517.44C4. The packet inside the captured frame has an IP source address, and the destination IP address is At which point in the network was this packet captured?
  • leaving host A
  • leaving ATL
  • leaving Dallas
  • leaving NYC
13.Refer 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.
14.Refer 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.
15. Which of the following are the address ranges of the private IP addresses? (Choose three.)
  • to
  • to
  • to
  • to
  • to
  • to
16. Which combination of network id and subnet mask correctly identifies all IP addresses from through
17. Which password is automatically encrypted when it is created?
  • vty
  • aux
  • console
  • enable secret
  • enable password
18. Which 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.
19. When must a router serial interface be configured with the clock rate command?
  • when the interface is functioning as a DTE device
  • when the interface timers have been cleared
  • when the connected DTE device is shut down
  • when the interface is functioning as a DCE device
20. Which two functions of the OSI model occur at layer two? (Choose two.)
  • physical addressing
  • encoding
  • routing
  • cabling
  • media access control
21. A routing issue has occurred in you internetwork. Which of the following type of devices should be examined to isolate this error?
  • access point
  • host
  • hub
  • router
  • switch
22.Refer to the exhibit. With the router running NAT, what IP addresses can be applied to the computer to allow access to the Internet? (Choose three)
23. Due to a security violation, the router passwords must be changed. What information can be learned from the following configuration entries? (Choose two)
Router(config)# line vty 0 3
Router(config-line)# password c13c0
Router(config-line)# login
  • The entries specify three Telnet lines for remote access.
  • The entries specify four Telnet lines for remote access.
  • The entries set the console and Telnet password to “c13c0″.
  • Telnet access will be denied because the Telnet configuration is incomplete.
  • Access will be permitted for Telnet using “c13c0″ as the password.
24. As network administrator, what is the subnet mask that allows 510 hosts given the IP address

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