logo

CuriousTab

CuriousTab

Discussion


Home Computer Science Networking Comments

  • Question
  • The slowest transmission speeds are those of


  • Options
  • A. twisted-pair wire
  • B. coaxial cable
  • C. fiber-optic cable
  • D. microwaves

  • Correct Answer
  • twisted-pair wire 


  • Networking problems


    Search Results


    • 1. With an IP address of 100, you currently have 80 subnets. What subnet mask should you use to maximize the number of available hosts?

    • Options
    • A. 192
    • B. 224
    • C. 240
    • D. 248
    • E. 252
    • Discuss
    • 2. If you get both local and remote echoes, every character you type will appear on the screen

    • Options
    • A. once
    • B. twice
    • C. three times
    • D. never
    • E. None of the above
    • Discuss
    • 3. ICMP (Internet Control Message Protocol) is

    • Options
    • A. a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address
    • B. a TCP/IP high level protocol for transferring files from one machine to another
    • C. a protocol used to monitor computers
    • D. a protocol that handles error and control messages
    • E. None of the above
    • Discuss
    • 4. What port does squid listen, by default?

    • Options
    • A. 4322
    • B. 2314
    • C. 7334
    • D. 3128
    • E. None of the above
    • Discuss
    • 5. Which of the following command is used to see the services running in NFS server?

    • Options
    • A. rpcinfo
    • B. serverinfo
    • C. NFSinfo
    • D. infserv
    • E. None of the above
    • Discuss
    • 6. Which of the following types of channels moves data relatively slowly?

    • Options
    • A. wideband channel
    • B. voiceband channel
    • C. narrowband channel
    • D. broadband channel
    • E. None of the above
    • Discuss
    • 7. A front-end processor is

    • Options
    • A. a user computer system
    • B. a processor in a large-scale computer that executes operating system instructions
    • C. a minicomputer that relieves main-frame computers at a computer centre of communications control functions
    • D. preliminary processor of batch jobs.
    • E. None of the above
    • Discuss
    • 8. How many digits of the DNIC (Data Network Identification Code) identify the country?

    • Options
    • A. first three
    • B. first four
    • C. first five
    • D. first six
    • E. None of the above
    • Discuss
    • 9. Which of the following is not a disadvantage of wireless LAN?

    • Options
    • A. Slower data transmission
    • B. higher error rate
    • C. interference of transmissions from different computers
    • D. All of the above
    • Discuss
    • 10. Avalanche photodiode receivers can detect hits of transmitted data by receiving

    • Options
    • A. 100 photons
    • B. 200 photons
    • C. 300 photons
    • D. 400 photons
    • E. None of the above
    • Discuss


    Comments

    There are no comments.

Enter a new Comment