Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Chapter: 218
Q3461:
Which of the following best describes a VLAN?
A. A hardware-only LAN
B. A software-configured LAN
C. A subnet of routers
D. A special MAC address LAN
Correct Answer:
B
Chapter: 218
Q3462:
What does frame tagging help with in VLANs?
A. Encrypting traffic
B. Identifying VLAN membership
C. Assigning IP addresses
D. Configuring physical ports
Correct Answer:
B
Chapter: 218
Q3463:
What does a switch need to manage VLAN membership across multiple switches?
A. MAC tables only
B. Knowledge of all IPs
C. Complete VLAN membership information
D. Static routing tables
Correct Answer:
C
Chapter: 219
Q3464:
Which of the following is a combination of fiber and coaxial cable?
A. FTTH
B. HFC
C. DSL
D. Satellite
Correct Answer:
B
Chapter: 219
Q3465:
Fill in the blank: ______ is a technology that uses both fiber optic and coaxial cables.
A. DSL
B. FTTx
C. HFC
D. Satellite
Correct Answer:
C
Chapter: 219
Q3466:
Which access technology delivers fiber to the home?
A. FTTC
B. FTTH
C. HFC
D. DSL
Correct Answer:
B
Chapter: 219
Q3467:
Which technology is most suitable for high-speed internet in rural areas?
A. DSL
B. Satellite
C. FTTC
D. HFC
Correct Answer:
B
Chapter: 219
Q3468:
Fill in the blank: In FTTx, 'x' can stand for ______.
A. Home
B. Building
C. Curb
D. All of the above
Correct Answer:
D
Chapter: 219
Q3469:
Which of the following is NOT a fiber-based access technology?
A. FTTH
B. FTTC
C. DSL
D. FTTB
Correct Answer:
C
Chapter: 219
Q3470:
What is the main medium used in fiber-based access networks?
A. Coaxial cable
B. Fiber optic
C. Copper
D. Twisted pair
Correct Answer:
B
Chapter: 219
Q3471:
Fill in the blank: Fiber optic cables transmit data using ______.
A. Electrical signals
B. Light pulses
C. Magnetic fields
D. Sound waves
Correct Answer:
B
Chapter: 219
Q3472:
Which technology offers the highest bandwidth capacity?
A. HFC
B. Fiber optic
C. DSL
D. Satellite
Correct Answer:
B
Chapter: 219
Q3473:
Which is a disadvantage of HFC compared to full fiber?
A. Higher speed
B. Higher cost
C. Signal interference
D. Higher bandwidth
Correct Answer:
C
Chapter: 219
Q3474:
Fill in the blank: ______ is the most modern and reliable medium for data transmission.
A. Coaxial
B. Fiber optic
C. Twisted pair
D. Copper
Correct Answer:
B
Chapter: 219
Q3475:
What does "FTTB" stand for?
A. Fiber to the base
B. Fiber to the block
C. Fiber to the building
D. Fiber to the bridge
Correct Answer:
C
Chapter: 219
Q3476:
Fill in the blank: In HFC, fiber is used for backbone and ______ is used for distribution.
A. Twisted pair
B. Fiber optic
C. Coaxial cable
D. Ethernet
Correct Answer:
C
Chapter: 219
Q3477:
Which of these access technologies is most widely used in cable television networks?
A. DSL
B. FTTC
C. HFC
D. Satellite
Correct Answer:
C
Chapter: 220
Q3478:
Which type of network uses fiber for part of the link but not the entire connection to the end-user?
A. DSL
B. FTTH
C. FTTC
D. Satellite
Correct Answer:
C
Chapter: 220
Q3479:
Fill in the blank: In FTTC, the terminal network segment is usually ______.
A. Twisted pair
B. Wireless
C. Fiber only
D. Satellite
Correct Answer:
A
Chapter: 220
Q3480:
The final optical receiver in a FTTC network typically serves ______.
A. Only one user
B. Several customers
C. Only business clients
D. Mobile users
Correct Answer:
B