PPSC Past Papers MCQs

PPSC Past Papers Most Repeated  — 741 MCQs  (Page 10 of 75)

Practice PPSC Past Papers MCQs with solved questions from real past exams. These MCQs cover PPSC Past Papers Most Repeated past papers and are ideal for candidates preparing for competitive exams.

View Tests (30 MCQs each)
The method for taking advantage of optical wavelength of transmission, in order to increase capacity of information in an optical transmission medium is known as __________
  • A. Wavelength division multiplexing (wdm)
  • B. Time division multiplexing (tdm)
  • C. Frequency division multiplexing (fdm)
  • D. Code division multiplexing (cdm)
For an IP based protocol, the MPLS label is inserted between which two headers?
  • A. Ieee 802.3 mac header and network layer ip header
  • B. Ieee 802.11 mac header and transport layer mac header
  • C. Transport layer ip header and network layer ip header
  • D. Physical layer mac header and data link layer ip header
Which of the following uses Bluetooth as a Wireless technology?
  • A. Personal area network
  • B. Local area network
  • C. Wide area network
  • D. Metropolitan area network
What is a Scatternet?
  • A. It is a group of interconnected micronets
  • B. It is a group of interconnected mininets
  • C. It is a group of interconnected intranets
  • D. It is a group of interconnected piconets
__________ uses all its energy in gathering data signals at one particular direction.
  • A. Bidirectional antenna
  • B. Unidirectional antenna
  • C. Directional antenna
  • D. Omnidirectional antenna
In wireless communications, how are collisions made oblivious to its users?
  • A. By hiding nodes in a network
  • B. By increasing the signal strength
  • C. By avoiding interference of unwanted signals
  • D. By exposing the terminals in a network
Bluetooth communicates data using low-power radio waves that are within the frequencies ______ and _______
  • A. 2.304 mhz, 2.382mhz
  • B. 2.402 mhz, 2.480 mhz
  • C. 2.304 ghz, 2.382ghz
  • D. 2.402 ghz, 2.480 ghz
ISDN is the abbreviation for ___________ in computer networking.
  • A. Insecure service digital network
  • B. Integrated services digital network
  • C. Intelligent secure digital network
  • D. Integrated secure digital network
Integrated Services Digital Network (ISDN) can be classified into ____________ and _________ ISDN.
  • A. Wide band, narrow band
  • B. Baseband, pass band
  • C. Narrow band, broadband
  • D. Broadband, baseband