Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Chapter: 213
Q3381:
Routers use which protocol to route data between networks?
A. HTTP
B. TCP/IP
C. FTP
D. SMTP
Correct Answer:
B
Chapter: 213
Q3382:
Fill in the blank: The three main categories of connecting devices are hubs, ______, and routers.
A. cables
B. clients
C. switches
D. networks
Correct Answer:
C
Chapter: 213
Q3383:
Which device connects two or more different networks together?
A. Switch
B. Router
C. Hub
D. Repeater
Correct Answer:
B
Chapter: 213
Q3384:
Which connecting device is considered the simplest form?
A. Switch
B. Hub
C. Router
D. Gateway
Correct Answer:
B
Chapter: 213
Q3385:
Fill in the blank: A ______ learns MAC addresses and sends frames only to the correct destination port.
A. Hub
B. Switch
C. Router
D. Bridge
Correct Answer:
B
Chapter: 214
Q3386:
What layer does a hub operate in?
A. Transport layer
B. Application layer
C. Physical layer
D. Network layer
Correct Answer:
C
Chapter: 214
Q3387:
Fill in the blank: A ______ is a device that operates only at the physical layer.
A. switch
B. hub
C. router
D. modem
Correct Answer:
B
Chapter: 214
Q3388:
Which device regenerates signals before they become too weak or corrupted?
A. Router
B. Hub
C. Switch
D. Gateway
Correct Answer:
B
Chapter: 214
Q3389:
What is the primary function of a hub in a network?
A. Filter traffic
B. Route packets
C. Regenerate signals
D. Encrypt data
Correct Answer:
C
Chapter: 214
Q3390:
Fill in the blank: A hub acts as a _______ by regenerating weakened signals.
A. bridge
B. monitor
C. repeater
D. switch
Correct Answer:
C
Chapter: 214
Q3391:
Which device does NOT operate above the physical layer?
A. Router
B. Switch
C. Hub
D. Firewall
Correct Answer:
C
Chapter: 214
Q3392:
A signal can travel only a fixed distance before _______ impacts the data.
A. attenuation
B. regeneration
C. amplification
D. transmission
Correct Answer:
A
Chapter: 214
Q3393:
Which of the following devices can be called a repeater?
A. Switch
B. Hub
C. Router
D. Bridge
Correct Answer:
B
Chapter: 214
Q3394:
Fill in the blank: In a network, a ______ receives and boosts signals.
A. switch
B. hub
C. modem
D. scanner
Correct Answer:
B
Chapter: 214
Q3395:
Which of the following is true about hubs?
A. They filter data
B. They regenerate signals
C. They analyze IP headers
D. They encrypt messages
Correct Answer:
B
Chapter: 214
Q3396:
Which device would you use to extend the range of a network by regenerating signals?
A. Firewall
B. Switch
C. Router
D. Hub
Correct Answer:
D
Chapter: 214
Q3397:
Fill in the blank: ______ is the term used when signal strength becomes too weak over a distance.
A. Propagation
B. Attenuation
C. Reflection
D. Absorption
Correct Answer:
B
Chapter: 214
Q3398:
What happens when a hub receives a signal?
A. It encrypts it
B. It analyzes it
C. It forwards it to one port
D. It regenerates and broadcasts it
Correct Answer:
D
Chapter: 214
Q3399:
Fill in the blank: A hub is similar to a _______ in terms of signal regeneration.
A. router
B. repeater
C. switch
D. modem
Correct Answer:
B
Chapter: 214
Q3400:
What kind of device is a hub?
A. Intelligent
B. Semi-intelligent
C. Non-intelligent
D. Highly intelligent
Correct Answer:
C