Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Multiple Choice Questions
Q661: ATM switches typically operate at which speed?
- A: OC-1
- B: OC-3
- C: OC-5
- D: OC-7
View Answer
B
Q662: What is the approximate speed of an OC-3 ATM port?
- A: 45 Mbps
- B: 100 Mbps
- C: 155 Mbps
- D: 200 Mbps
View Answer
C
Q663: What is a key disadvantage of ATM related to communication broadcast?
- A: It supports multicast only
- B: Broadcast is natively supported
- C: Broadcast is inefficient and simulated
- D: Broadcast requires encryption
View Answer
C
Q664: Which factor makes ATM expensive compared to LAN technologies?
- A: Faster wiring
- B: High memory capacity
- C: Specialized hardware
- D: Standardized protocols
View Answer
C
Q665: In ATM networks, what is the 'cell tax'?
- A: Extra cost of fiber
- B: Extra bandwidth used for control overhead
- C: Network setup fee
- D: ISP charges
View Answer
B
Q666: ATM has only minimal provision for
- A: Cell compression
- B: QoS guarantees
- C: Interoperation with other technologies
- D: Packet encryption
View Answer
C
Q667: What kind of network is owned and operated by a single organization?
- A: Public network
- B: Carrier network
- C: Private network
- D: Virtual network
View Answer
C
Q668: A private network usually includes
- A: Unlimited external connections
- B: No connections at all
- C: One or few managed external connections
- D: Global routing
View Answer
C
Q669: What do we call a set of LANs connected within a building or campus?
- A: Public net
- B: Extranet
- C: Intranet
- D: Subnet
View Answer
C
Q670: Private networks are usually operated
- A: By common carriers
- B: By government agencies
- C: Autonomously from other networks
- D: As satellite networks
View Answer
C