4A0-100

4A0-100 practice questions, page 12 of 14, with answer review and explanations.

Question 56

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

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

Question 57

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 58

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 59

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

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

Question 60

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.