Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q2871: Which layer required changes in Fast Ethernet to support higher data rates?
- A: Application Layer
- B: Transport Layer
- C: Data Link Layer
- D: Physical Layer
View Answer
D
Q2872: To handle the 100 Mbps speed, the changes were implemented at the _______ of the OSI model.
- A: Network Layer
- B: Session Layer
- C: Physical Layer
- D: Data Link Layer
View Answer
C
Q2873: Fill in the blank: Fast Ethernet uses the same _______ as Standard Ethernet to maintain compatibility.
- A: MAC address format
- B: IP addressing protocol
- C: network topology
- D: access method
View Answer
A
Q2874: Which of the following was NOT a goal of Fast Ethernet?
- A: Support for wireless devices
- B: 100 Mbps data rate
- C: Compatibility with Standard Ethernet
- D: Same frame format
View Answer
A
Q2875: Which encoding method was introduced or modified in Fast Ethernet for physical layer adaptation?
- A: Manchester encoding
- B: Differential encoding
- C: 4B/5B or MLT-3 encoding
- D: Binary encoding
View Answer
C
Q2876: The implementation of Fast Ethernet required adjustments in:
- A: Logical topology
- B: Physical Layer design
- C: Frame size
- D: Subnet mask
View Answer
B
Q2877: What remained unchanged in Fast Ethernet to support backward compatibility?
- A: Frame size only
- B: Physical topology only
- C: MAC sublayer, frame format, and addressing
- D: Signal propagation speed
View Answer
C
Q2878: Fast Ethernet is also known as _______.
- A: Ethernet Express
- B: Standard Ethernet
- C: 100Base Ethernet
- D: Giga Ethernet
View Answer
C
Q2879: Which of the following is a valid implementation of Fast Ethernet?
- A: 100Base-FX
- B: 10Base-T
- C: 1000Base-LX
- D: 10GBase-SR
View Answer
A
Q2880: The "100" in 100Base-TX stands for _______.
- A: number of users
- B: speed in Mbps
- C: frame length
- D: address length
View Answer
B