Nokia 4A0-100

Nokia 4A0-100 practice questions, page 13 of 13, with answer review and explanations.

Question 61

What is the basic unit of framing in SDH and the bit rate for its transmission?

  1. STM-1 with a bit rate of 1.544 Mbit/s
  2. STM-1 with a bit rate of 2.048 Mbit/s
  3. STM-1 with a bit rate of 51.84 Mbit/s
  4. STM-1 with a bit rate of 155.52 Mbit/s

Question 62

Which of the following are examples of Time Division Multiplexing (Choose two)?

  1. Ethernet.
  2. Token-Ring.
  3. SONET/SDH.
  4. E1 carrier.
  5. PPP

Question 63

How many DS-3 frames can be transported in an OC-3 frame?

  1. 1
  2. 2
  3. 3
  4. 4

Question 64

Who was responsible for developing and publishing the original standard that was used for 10 Mbit/s Ethernet?

  1. Intel Corporation.
  2. Digital Equipment Corporation.
  3. DEC-Intel-Xerox.
  4. Apple Computer.
  5. IBM.

Question 65

Which Ethernet frame field does the receiver use to verify the integrity of the received bits?

  1. Destination address
  2. Frame check sequence
  3. Preamble
  4. Length field