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1. Which of the following devices can an administrator use to segment their LAN? (Choose all that apply)

   1.   ?    Hubs
   2.   ?    Repeaters
   3.   ?    Switches
   4.   ?    Bridges

2. The Testsworld corporate LAN consists of one large flat network. You decide to segment this LAN into two separate networks with a router. What will be the affect of this change?

   1.   ?    The number of broadcast domains will be decreased.
   2.   ?    It will make the broadcasting of traffic between domains more efficient between segments.
   3.   ?    It will increase the number of collisions.
   4.   ?    It will prevent segment 1's broadcasts from getting to segment 2.

3. Which Layer 1 devices can be used to enlarge the area covered by a single LAN segment? Select two

   1.   ?    Switch
   2.   ?    Router
   3.   ?    hub
   4.   ?    Repeater

4. If a host on a network has the address 172.16.45.14/30, what is the address of the subnetwork to which this host belongs?

   1.   ?    172.16.45.0
   2.   ?    172.16.45.4
   3.   ?    172.16.45.8
   4.   ?    172.16.45.12

5. Which of the following are benefits of segmenting a network with a router? (Select all that apply)

   1.   ?    Broadcasts are not forwarded across the router.
   2.   ?    Broadcasts are not forwarded across the router.
   3.   ?    Adding a router to the network decreases latency.
   4.   ?    Filtering can occur based on Layer 3 information.

6. Wit regard to bridges and switches, which of the following statements are true? (Choose three.)

   1.   ?    Switches are primarily software based while bridges are hardware based.
   2.   ?    Both bridges and switches forward Layer 2 broadcasts.
   3.   ?    Bridges are frequently faster than switches.
   4.   ?    Switches typically have a higher number of ports than bridges

7. Which address represents a unicast address?

   1.   ?    224.1.5.2
   2.   ?    FFFF. FFFF. FFFF.
   3.   ?    192.168.24.59/30
   4.   ?    172.31.128.255/18

8. Routers perform which of the following functions? (Select three)

   1.   ?    Packet switching
   2.   ?    Packet switching
   3.   ?    Packet filtering
   4.   ?    Internetwork communication

9. The Sales and Production networks are separated by a router as shown in the diagram below: Which of the following statements most accurately describes the characteristics of the above networks broadcast and collision domains (Select the two best answer choices)

   1.   ?    There are two broadcast domains in the network
   2.   ?    There are two broadcast domains in the network
   3.   ?    There are four broadcast domains in the network
   4.   ?    There are seven collision domains in the network.

10. What information is supplied by CDP? Select three.

    1.   ?    Route Identifier
    2.   ?    Device identifiers
    3.   ?    Capabilities list
    4.   ?    Platform