Cisco Chapter 2

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Author:
agrier9
ID:
198310
Filename:
Cisco Chapter 2
Updated:
2013-02-06 00:49:07
Tags:
cisco
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Description:
Cisco study material
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  1. Which of the following are unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet? (Choose two.)

    Half-duplex Ethernet operates in a shared collision domain.

    Half-duplex Ethernet operates in a private
    collision domain.

    Half-duplex Ethernet has higher effective throughput.

    Half-duplex Ethernet has lower effective throughput.

    Half-duplex Ethernet operates in a private broadcast domain.
    • Half-duplex Ethernet operates in a shared collision domain.
    • Half-duplex Ethernet has lower effective throughput.
  2. Which fields are contained within an IEEE Ethernet frame? (Choose two.)

    Source and destination MAC address

    Source and destination network address

    Source and destination MAC address and source and destination network address

    FCS field
    • Source and destination MAC address
    • FCS field
  3. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?

    Thicknet coax
    Thinnet coax
    Category 5 UTP cable
    Fiber-optic cable
    Fiber Optic Cable
  4. Which of the following types of connections can use full duplex? (Choose three.)
    Hub to hub
    Switch to switch
    Host to host
    Switch to hub
    Switch to host
    • Switch to switch
    • Host to host
    • Switch to host
  5. What type of RJ45 UTP cable is used between switches?

    Straight-through
    Crossover cable
    Crossover with a CSU/DSU
    Crossover with a router in between the two switches
    Crossover cable
  6. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Choose two.)

    In a CSMA/CD collision domain, multiple stations can successfully transmit data simultaneously.

    In a CSMA/CD collision domain, stations must wait until the media is not in use before transmitting.

    You can improve the CSMA/CD network by adding more hubs.

    After a collision, the station that detected the collision has first priority to resend the lost data.

    After a collision, all stations run a random backoff algorithm. When the backoff delay period has expired, all stations have equal priority to transmit data.

    After a collision, all stations involved run an identical backoff algorithm and then synchronize with each other prior to transmitting data.
    In a CSMA/CD collision domain, stations must wait until the media is not in use before transmitting.

    After a collision, all stations run a random backoff algorithm. When the backoff delay period has expired, all stations have equal priority to transmit data.

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