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  • Question

  • Which of the following statement is correct?


  • Options
  • A. Buffering is the process of temporarily storing the data to allow for small variation in device speeds
  • B. Buffering is a method to reduce cross-talks
  • C. Buffering is a method to reduce the routing overhead
  • D. Buffering is storage of data within the transmitting medium until the receiver is ready to receive
  • E. None of the above

  • Correct Answer
  • Buffering is the process of temporarily storing the data to allow for small variation in device speeds 

    • Networking problems

    Search Results

    • 1. The first step in troubleshooting many problems is to verify which of the following?

    • Options
    • A. The subnet mask is valid
    • B. TCP/IP is installed correctly on the client
    • C. The WINS server is running
    • D. The BDC is operable
    • E. None of the above
      • Discuss
    • 2. You are working with three networks that have the network IDs 192.168.5.0, 192.168.6.0, and 192.168.7.0. What subnet mask can you use to combine these addresses into one?

    • Options
    • A. 255.255.252.0
    • B. 225.255.254.0
    • C. 255.255.255.240
    • D. 255.255.255.252
      • Discuss
    • 3. HOSTS file entries are limited to how many characters?

    • Options
    • A. 8
    • B. 255
    • C. 500
    • D. Unlimited
    • E. None of the above
      • Discuss
    • 4. Which of the following best illustrates the default subnet mask for a class A,B, and C Network?

    • Options
    • A. 0.0.0.0, 0.0.0.1, 0.0.1.1
    • B. 255.255.255.0, 255.255.0.0, 255.0.0.0
    • C. 255.0.0.0, 255.255.0.0, 255.255.255.0
    • D. 255.255.0.0, 255.255.255.0, 255.255.255.255
    • E. None of the above
      • Discuss
    • 5. To connect a computer with a device in the same room, you might be likely to use

    • Options
    • A. a coaxial cable
    • B. a dedicated line
    • C. a ground station
    • D. All of the above
      • Discuss
    • 6. Because the configuration infor-mation for a DHCP client is received dynamically, you must use which utility to read the current configuration to verify the settings?

    • Options
    • A. PING
    • B. TRACERT
    • C. ARP
    • D. IPCONFIG
    • E. None of the above
      • Discuss
    • 7. The signal to noise ratio for a voice grade line is 30.1 dB (decibels) or a power ratio of 1023:1. The maximum achievable data rate on this line whose spectrum ranges from 300 Hz to 4300 Hz is

    • Options
    • A. 6200 bps
    • B. 9600 bps
    • C. 34000 bps
    • D. 31000 bps
    • E. None of the above
      • Discuss
    • 8. Establishing a virtual connection is functionally equivalent to

    • Options
    • A. Connecting as virtual memory
    • B. Physically connecting a DTE and DCE
    • C. Placing a telephone call prior to a conversation
    • D. Placing a modem prior to a conversation
    • E. None of the above
      • Discuss
    • 9. HDLC (High-level Data Link Control) is

    • Options
    • A. a method of determining which device has access to the transmission medium at any time
    • B. a method access control technique for multiple-access transmission media
    • C. a very common bit-oriented data link protocol issued by ISO.
    • D. network access standard for connecting stations to a circuit-switched network
    • E. None of the above
      • Discuss
    • 10. Which of the following technique is used for Time-To-Line (TTL)?

    • Options
    • A. a technique used in best-effort delivery system to avoid endlessly looping packets.
    • B. a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame
    • C. One of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size.
    • D. All of the above
    • E. None of the above
      • Discuss

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