Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q2881: Fill in the blank: Fast Ethernet requires a change in _______ to support 100 Mbps operation.
- A: MAC address structure
- B: cable color code
- C: physical layer
- D: application layer
View Answer
C
Q2882: Which of the following Fast Ethernet implementations uses fiber-optic cable?
- A: 100Base-TX
- B: 100Base-T4
- C: 100Base-FX
- D: 100Base-VG
View Answer
C
Q2883: Which one of these was not a major design goal of Fast Ethernet?
- A: Speed increase
- B: Backward compatibility
- C: New MAC format
- D: Retain frame structure
View Answer
C
Q2884: What is the data rate of Gigabit Ethernet as per IEEE 802.3z?
- A: 10 Mbps
- B: 100 Mbps
- C: 1 Gbps
- D: 10 Gbps
View Answer
C
Q2885: Fill in the blank: Gigabit Ethernet uses the same _______ as Standard and Fast Ethernet.
- A: IP header
- B: 48-bit address
- C: Subnets
- D: Port number
View Answer
B
Q2886: One of the goals of Gigabit Ethernet was to keep the same _______.
- A: MAC address only
- B: frame format only
- C: minimum and maximum frame lengths
- D: all of the above
View Answer
D
Q2887: Which access methods are supported by Gigabit Ethernet?
- A: Full-duplex only
- B: Half-duplex only
- C: Half and Full-duplex
- D: CSMA/CD only
View Answer
C
Q2888: What made changes to the MAC sublayer necessary in Gigabit Ethernet?
- A: Higher cable cost
- B: Increased transmission rate to 1 Gbps
- C: Shorter packets
- D: Wireless access
View Answer
B
Q2889: What is one major difference in the physical layer of Gigabit Ethernet compared to Fast Ethernet?
- A: Simpler encoding
- B: Lower frequency
- C: More complex design
- D: Slower data transfer
View Answer
C
Q2890: Gigabit Ethernet supports which of the following?
- A: 10 Mbps
- B: 1 Gbps
- C: 100 Mbps
- D: 40 Gbps
View Answer
B