IT Essentials - Fundamental Networks - Chapter 8

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This is a quiz on Cisco IT Essentials chapter 8 "Fundamental Networks". This quiz should help you test your knowledge and aid you in your preparation for the chapter exam.

  
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  • 1. 
    Choose 2 sentences that describe a LAN.
    • A. 

      A group of interconnected devices that are under the same administrative control.

    • B. 

      An example of a LAN is the internet.

    • C. 

      The word 'local' in LAN refers to local control rather than being physically close to each other

    • D. 

      LAN's transmit data by using radio waves.

    • E. 

      LAN's are connected networks in geographically separated locations.


  • 2. 
    Find the missing word in the following Peer-to-peer disadvantage:They have no centralised network ........., which makes it difficult to determine who contros resources on the network.

  • 3. 
    Bandwidth is the amount of data that can be transmitted within a fixed time period. When data is sent over a computer network, it is broken into small chunks called ...........

  • 4. 
    What is bandwidth measured in?
    • A. 

      Bytes

    • B. 

      Bits

    • C. 

      Hertz

    • D. 

      Baud


  • 5. 
    A ......... is information added to each packet that contains the packets source and destination.

  • 6. 
    Which data transmission mode is this:The communications channel allows alternating transmission in two directions, but not simultaneously.
    • A. 

      Full duplex

    • B. 

      Simplex

    • C. 

      Half duplex


  • 7. 
    Which 2 statements are correct in reference to a MAC address
    • A. 

      It is "burned" on the the graphics card

    • B. 

      It is permanently programmed into the NIC

    • C. 

      You can set it to automatically obtain a MAC address

    • D. 

      The MAC address never changes

    • E. 

      You can swap the MAC address onto different NIC cards


  • 8. 
    ..... is a software utility used to dynamically assign ip addresses to network devices.

  • 9. 
    Which of the following is a class B subnet mask?
    • A. 

      255.255.255.0

    • B. 

      255.255.0.0

    • C. 

      255.0.0.0


  • 10. 
    What are the 3 main areas of IP address information that a DHCP server can assign to hosts?
    • A. 

      MAC

    • B. 

      IP Address

    • C. 

      Default Gateway

    • D. 

      FTP

    • E. 

      Subnet Mask


  • 11. 
    Which protocol downloads email messages from an e-mail server? (pick 2)
    • A. 

      Telnet

    • B. 

      SSH

    • C. 

      POP3

    • D. 

      IMAP

    • E. 

      SMTP


  • 12. 
    Which command line utility is commonly used to test connections between computers?
    • A. 

      HTTP

    • B. 

      IPX/SPX

    • C. 

      PING

    • D. 

      IMAP

    • E. 

      Apple Talk


  • 13. 
    A ...... has several ports, depending on how many network segments are to be linked.

  • 14. 
    ...... use IP addresses to forward frames to other networks, and they contain tables of IP addresses along with optimal destination routes to other networks.

  • 15. 
    Which sentence is a true statement of shielded twisted pair?
    • A. 

      It is a copper cored cable surrounded by heavy shielding.

    • B. 

      Has one or more optical fibres enclosed in a sheath or jacket

    • C. 

      Each pair of wires is wrapped in a metallic foil to better shield the wires from noise.

    • D. 

      It has 2 types, multimode and single mode.


  • 16. 
    Which of the following topolgies has a central connection point, which normally is a device such as a hub, switch, or router.
    • A. 

      Bus

    • B. 

      Star

    • C. 

      Ring

    • D. 

      Mesh


  • 17. 
    Ethernet uses ......... to access the network using a first come, first served broadcast topology method to transmit data.

  • 18. 
    Which standard is the ethernet architecture based on?
    • A. 

      802.11a

    • B. 

      802.11g

    • C. 

      802.3

    • D. 

      1394


  • 19. 
    Which DSL type is the most common implementation, and has speeds that vary from 384Kbps to more than 6Mbps downstream. The upstream speed is typically lower.
    • A. 

      HDSL

    • B. 

      IDSL

    • C. 

      VDSL

    • D. 

      ADSL


  • 20. 
    Which is a true statement of a client/server network?
    • A. 

      They are maintained by network users and request information from a server.

    • B. 

      They are maintained by your manager and you ask him/her to send you information and services.

    • C. 

      They are maintained by a network administrator and a network user controls information and services

    • D. 

      They are maintained by network administrators and the client requests information or services from the server

    • E. 

      All of the above


  • 21. 
    An ........... is a number that is used to identify a device on the network. Each device on a network must have a unique ....... to communicate with other network devices.

  • 22. 
    What method carries telephone calls over the data networksand internet, by converting the analog signals of our voices into digital information that is transported in IP packets. It can also use an existing IP network to provide access to the public switched telephone network (PSTN)
    • A. 

      Satellite

    • B. 

      VoIP

    • C. 

      ISDN

    • D. 

      Power Line Communication (PLC)

    • E. 

      DSL


  • 23. 
    What are the most common physical components of a network?
    • A. 

      Wireless Access Points, Routers, NIC's, Computer, Cat 5.

    • B. 

      Routers, Switches, Bridges, Hubs, Broadband

    • C. 

      Server, NIC, I/O device, Router, ADSL

    • D. 

      ISP, computer, bridge, switch, NIC

    • E. 

      Routers, Computers, Wireless Access Points, Switches, Hubs


  • 24. 
    Which topology povides the most redundancy?
    • A. 

      Bus

    • B. 

      Mesh

    • C. 

      Ring

    • D. 

      Star

    • E. 

      Extended star


  • 25. 
    What is the maximum length of ethernet cable?
    • A. 

      150ft (45.7m)

    • B. 

      300ft (91m)

    • C. 

      328ft (100m)

    • D. 

      185m

    • E. 

      500m


  • 26. 
    An IP address consists of ....... binary bits (1s and 0s). It is very difficult for humans to read a binary IP address. For this reason the .... bits are grouped into four 8-bit bytes called octets.

  • 27. 
    Which of the following best describes a default gateway?
    • A. 

      A device that segments a network

    • B. 

      A router on a network that provides access to another network or the internet

    • C. 

      A device that dynamically assigns I/P adresses

    • D. 

      A device that converts I/P addresses to domain names


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