Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Chapter: 13
Q141:
What types of devices are interconnects in a WAN?
A. Switches, routers, modems
B. Computers and phones
C. Printers and scanners
D. Servers and clients
Correct Answer:
A
Chapter: 13
Q142:
WAN is usually created and run by _______.
A. Government agencies
B. Communication companies
C. Educational institutions
D. Private organizations
Correct Answer:
B
Chapter: 13
Q143:
_______ WAN uses a dedicated link between two devices.
A. Switched
B. Point-to-Point
C. Internetwork
D. Wireless
Correct Answer:
B
Chapter: 13
Q144:
_______ WAN connects devices using multiple paths and switches.
A. Point-to-Point
B. Switched
C. Internetwork
D. Mesh
Correct Answer:
B
Chapter: 13
Q145:
WAN connects devices over a _______ distance compared to LAN.
A. Shorter
B. Longer
C. Same
D. Variable
Correct Answer:
B
Chapter: 13
Q146:
The primary purpose of a router in a WAN is to _______.
A. Print documents
B. Route data between networks
C. Connect devices wirelessly
D. Manage files
Correct Answer:
B
Chapter: 13
Q147:
In a WAN, an Internetwork refers to _______.
A. A single network
B. Multiple connected networks
C. A type of LAN
D. A type of router
Correct Answer:
B
Chapter: 13
Q148:
WANs are typically used to connect _______.
A. Local devices
B. Devices in the same room
C. Devices across vast distances
D. Bluetooth devices
Correct Answer:
C
Chapter: 13
Q149:
A WAN can span a town, state, country, or _______.
A. A neighborhood
B. A continent
C. A city
D. A world
Correct Answer:
D
Chapter: 13
Q150:
Fill in the blank: A _______ WAN is created using switches and nodes.
A. Point-to-Point
B. Switched
C. Star
D. Linear
Correct Answer:
B
Chapter: 14
Q151:
What is the main characteristic of a circuit-switched network?
A. Data is divided into packets
B. A dedicated path is established
C. No fixed path exists
D. Data is broadcasted
Correct Answer:
B
Chapter: 14
Q152:
In which type of network are data packets sent individually?
A. Circuit-Switched
B. Packet-Switched
C. Hybrid Network
D. Linear Network
Correct Answer:
B
Chapter: 14
Q153:
Packet-switched networks are more efficient because _______.
A. They reserve a dedicated path
B. They utilize available bandwidth
C. They require less hardware
D. They have no delay
Correct Answer:
B
Chapter: 14
Q154:
Fill in the blank: In _______ networks, data is sent as discrete packets.
A. Circuit-Switched
B. Packet-Switched
C. Point-to-Point
D. Star Network
Correct Answer:
B
Chapter: 14
Q155:
What is a disadvantage of circuit-switched networks?
A. High latency
B. Inefficient use of resources
C. Unreliable delivery
D. No real-time capability
Correct Answer:
B
Chapter: 14
Q156:
Packet switching is commonly used in _______.
A. Telephone networks
B. Internet communication
C. Local calls
D. Fax transmission
Correct Answer:
B
Chapter: 14
Q157:
Fill in the blank: Circuit-switched networks require a _______ path for communication.
A. Flexible
B. Dedicated
C. Packetized
D. Shared
Correct Answer:
B
Chapter: 14
Q158:
In a packet-switched network, packets may _______.
A. Arrive in order
B. Arrive out of order
C. Be lost in transit
D. All of these
Correct Answer:
D
Chapter: 14
Q159:
Which type of network is more suitable for real-time data?
A. Circuit-Switched
B. Packet-Switched
C. Hybrid Network
D. None of these
Correct Answer:
A
Chapter: 14
Q160:
Fill in the blank: Circuit-switched networks are typically used in _______.
A. Internet
B. PSTN (Public Switched Telephone Network)
C. Ethernet
D. Wi-Fi
Correct Answer:
B