Network+ Ch5

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a2k2d2
ID:
231970
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Network+ Ch5
Updated:
2013-08-29 21:27:00
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Network Ch5
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Network+ Ch5
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  1. Which device sends and receives information about the Network layer?
    Router
  2. This layer creates a virtual circuit before transmitting between two end stations.
    Transport
  3. A Layer 3 switch, or multilayer switch.
    Router
  4. This device uses hardware addresses to filter the network.
    Bridge or switch
  5. Ethernet is defined at these layers.
    Data link and Physical
  6. This layer supports flow control and sequencing.
    Transport
  7. This device can measure the distance to a remote network.
    Router
  8. Logical addressing is used at this layer.
    Network
  9. Hardware addresses are defined at this layer.
    Data link
  10. This device creates one big collision domain and long large broadcast domain.
    Hub
  11. This device creates many smaller collision domains, but the network is still one large broadcast domain.
    Switch or bridge
  12. This device can never run full duplex.
    Hub
  13. This device breaks up collision domains and broadcast domains.
    Router
  14. Which of the following is not a term used when making SOHO Internet connections?

    A.  Hub
    B.  NIC
    C.  Switch
    D.  Repeater
    B.  NIC
    (this multiple choice question has been scrambled)
  15. What advantage does a switch have over a hub?

    A. It discards frames
    B. Transmissions recived on one port will be send out all the other ports
    C. It recognizes frame boundaries and destination MAC addresses of incoming frames
    D. Any two or more devices the switch connects have are capable of causing a collision with each other
    C. It recognizes frame boundaries and destination MAC addresses of incoming frames
    (this multiple choice question has been scrambled)
  16. Which device is used to segment a network?

    A. Switch
    B. Repeater
    C. Hub
    D. All of the above
    A. Switch
    (this multiple choice question has been scrambled)
  17. What is the primary function of a bridge?

    A. Breaks up collision domains
    B. Allows mobile users to connect to a wired network wirelessly
    C. Allows a NIC or other networking device to connect to a different type of media than it was designed for
    D. None of the above
    A. Breaks up collision domains
    (this multiple choice question has been scrambled)
  18. A network device that is used to connect multiple devices together without segmenting a network is a 

    A. Router
    B. Hub
    C. Wireless access point
    D. Switch
    B. Hub
    (this multiple choice question has been scrambled)
  19. Which of the following is among the benefits of a switch?

    A. Protects LAN resources from attackers on the Internet
    B. Provides extra bandwidth
    C. Allows access to all computers on a LAN
    D. Reduces throughput
    B. Provides extra bandwidth
    (this multiple choice question has been scrambled)
  20. Which of the following devices can work at both Layers 2 and 3 of the OSI model?

    A. Switch
    B. Multi-layer switch
    C. Bridge
    D. Hub
    A. Switch
    (this multiple choice question has been scrambled)
  21. What is an advantage of using DHCP in a network environment?

    A. Static IP addressing
    B. Assigns IP address to hosts
    C. Can send an operating system for the PC to boot from
    D. More difficult administration of the network
    B. Assigns IP address to hosts
    (this multiple choice question has been scrambled)
  22. What is a benefit of a multilayer switch (MLS) over a Layer 2 switch?

    A. Fewer ports
    B. Routing functions
    C. Less bandwidth
    D. Fewer features
    B. Routing functions
    (this multiple choice question has been scrambled)
  23. Which device should be used if you need to send incoming packets to one ore more machines that are hidden behind a single IP address?

    A. Load balancer
    B. Switch
    C. Hub
    D. Repeater
    A. Load balancer
    (this multiple choice question has been scrambled)
  24. What role does the "A" record in a Domain Name Service (DNS) server have in your network?

    A. Translates human name to IP address
    B. Enables printing, copying, and faxing from one device
    C. Controls network packets to optimize performance
    D. Translates IP address to human name
    A. Translates human name to IP address
    (this multiple choice question has been scrambled)
  25. Which device does not aid in network segmentation?

    A. Switch
    B. Bridge
    C. Router
    D. Hub
    D. Hub
    (this multiple choice question has been scrambled)
  26. What is the most common use for a web proxy?

    A. DHCP services
    B. Supports user authentication
    C. Web cache
    D. Increases throughput
    C. Web cache
    (this multiple choice question has been scrambled)
  27. Which is not an advantage of network segmentation?

    A. Preventing broadcast storms
    B. Reduced congestion
    C. Improved security
    D. Containing network problems
    A. Preventing broadcast storms
    (this multiple choice question has been scrambled)
  28. Users arrive at the office after a weekend and the hosts that were shut down over the weekend are restarted but cannot access the LAN or the Internet.  Hosts that were not shut down are working fine.  Where can the problem be?

    A. The proxy server
    B. The firewall
    C. The DNS server
    D. The DHCP server
    D. The DHCP server
    (this multiple choice question has been scrambled)
  29. You need a device that can prevent your users from accessing certain web sites.  Which device should you install?

    A. Firewall
    B. Proxy server
    C. IPS
    D. IDS
    B. Proxy server
    (this multiple choice question has been scrambled)
  30. Which device creates separate collision domains and a single broadcast domain?

    A. Router
    B. Hub
    C. Switch
    D. Modem
    C. Switch
    (this multiple choice question has been scrambled)
  31. Which of the following is NOT an advantage of using appliances to offload services like encryption and content filtering?

    A. Takes load off other devices
    B. Less expensive
    C. Better performance
    D. Additional functionality
    B. Less expensive
    (this multiple choice question has been scrambled)
  32. Which type of server in your network uses pointer and A records?

    A. Proxy server
    B. IPS/IDS server
    C. DNS server
    D. NAT Translation server
    C. DNS server
    (this multiple choice question has been scrambled)
  33. Users on your network are saturating your bandwidth because they are using too many non-work-related sites.  What device would limit the availability of the types of sites that users on a LAN have access to while providing granular control over traffic between the local LAN and the Internet?

    A. Switch
    B. DHCP server
    C. Proxy server
    D. DNS server
    C. Proxy server
    (this multiple choice question has been scrambled)

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