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MCQs

Total Questions : 885 | Page 33 of 89 pages
Question 321. What is the number of separate protocol layers at the serial interface gateway specified by the X.25 standard?
  1.    2
  2.    3
  3.    6
  4.    None of these
  5.    4
 Discuss Question
Answer: Option B. -> 3
Question 322. 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?
  1.    ARP
  2.    None of these
  3.    IPCONFIG
  4.    PING
  5.    TRACERT
 Discuss Question
Answer: Option C. -> IPCONFIG
Question 323. Which of the following characteristic(s) is/are suited to the PSS applications?
  1.    All of these
  2.    None of these
  3.    widely dispersed terminals and access to international packets switched services
  4.    bursty traffic and low communications intensity
  5.    Multiple remote host or applications accessed by a single local access circuit terminal and circuit
 Discuss Question
Answer: Option A. -> All of these
Question 324. Many data communication networks have been established which provide a wealth of on-demand information services to people at home. What is the name of the system which provides an interactive, graphics-rich service that permits user to select what they want?
  1.    Microwave system
  2.    None of these
  3.    Videotex system
  4.    Fax system
  5.    Teletex system
 Discuss Question
Answer: Option C. -> Videotex system
Question 325. 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
  1.    31000 bps
  2.    34000 bps
  3.    6200 bps
  4.    None of these
  5.    9600 bps
 Discuss Question
Answer: Option A. -> 31000 bps
Question 326. The dialogue techniques for terminal use do not include
  1.    questions and answers
  2.    open-ended questions
  3.    form fillings
  4.    None of these
  5.    menu display
 Discuss Question
Answer: Option B. -> open-ended questions
Question 327. TCP is:
  1.    Connection orientated and unreliable
  2.    Connection orientated and reliable
  3.    Connectionless and unreliable
  4.    Operates at the Data Link layer
  5.    None of these
 Discuss Question
Answer: Option B. -> Connection orientated and reliable
Question 328. An encyclopedic database
  1.    All of these
  2.    is an information utility that specializes in storing and searching information
  3.    is easy for beginners to use
  4.    None of these
  5.    is generally free
 Discuss Question
Answer: Option B. -> is an information utility that specializes in storing and searching information
Question 329. You have a network ID of 192.168.10.0 and require at least 25 host IDs for each subnet, with the largest amount of subnets available. Which subnet mask should you assign?
  1.    255.255.255.240
  2.    255.255.255.248
  3.    255.255.255.224
  4.    255.255.255.255
  5.    255.255.255.192
 Discuss Question
Answer: Option C. -> 255.255.255.224
Question 330. The encoding method specified in the EIA-232 standard is _____.
  1.    Differential Manchester
  2.    Manchester
  3.    NRZ-I
  4.    NRZ-L
  5.    None of these
 Discuss Question
Answer: Option D. -> NRZ-L

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