Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Chapter: 194
Q2961:
What is the maximum typical range of ADSL for effective service?
A. 1-5 kilometers
B. 5-10 kilometers
C. 10-15 kilometers
D. 15-20 kilometers
Correct Answer:
A
Chapter: 194
Q2962:
Fill in the blank: Digital Subscriber Line (DSL) is a ____________ technology that allows high-speed data transmission.
A. circuit-switched
B. packet-switched
C. analog
D. television
Correct Answer:
D
Chapter: 194
Q2963:
Which of the following is a key advantage of using DSL over traditional dial-up connections?
A. Faster speeds
B. Lower cost
C. Better security
D. Improved sound quality
Correct Answer:
A
Chapter: 194
Q2964:
Which of the following DSL technologies is best suited for businesses needing symmetric data rates for both upload and download?
A. SDSL
B. ADSL
C. VDSL
D. HDSL
Correct Answer:
A
Chapter: 194
Q2965:
What is one significant difference between ADSL and VDSL?
A. ADSL supports higher download speeds
B. VDSL supports higher download and upload speeds
C. ADSL operates on fiber-optic cables
D. VDSL operates over shorter distances
Correct Answer:
B
Chapter: 194
Q2966:
Fill in the blank: DSL technology is particularly useful for Internet access over _______ networks.
A. analog
B. manual
C. cable
D. telephone
Correct Answer:
D
Chapter: 194
Q2967:
What is the major benefit of using DSL over traditional dial-up modems?
A. Faster data transmission rates
B. Lower setup costs
C. No need for physical cables
D. Better voice quality
Correct Answer:
A
Chapter: 194
Q2968:
Which of the following is NOT a common type of DSL?
A. ADSL
B. VDSL
C. HDSL
D. FTTH
Correct Answer:
D
Chapter: 195
Q2969:
Which of the following is a primary use of cable TV networks?
A. Providing remote access to TV programs
B. Distributing radio signals
C. Providing broadband Internet via satellites
D. Offering online streaming services
Correct Answer:
A
Chapter: 195
Q2970:
Fill in the blank: Cable TV networks initially used _______ to provide remote subscribers access to TV programs.
A. microwave connections
B. satellite dishes
C. fiber optic cables
D. telephone lines
Correct Answer:
A
Chapter: 195
Q2971:
What was the original name of the cable TV network when it was first developed?
A. Community Antenna Television (CATV)
B. Cable Network Television (CNT)
C. Fiber Optic Television (FOT)
D. Radio Frequency Television (RFT)
Correct Answer:
A
Chapter: 195
Q2972:
Which of the following is a key characteristic of a Hybrid Fiber-Coaxial (HFC) network?
A. It uses both fiber optic and coaxial cables
B. It uses only fiber optic cables
C. It is based on satellite transmission
D. It uses only coaxial cables
Correct Answer:
A
Chapter: 195
Q2973:
What was the primary reason cable TV networks began distributing broadcast video signals in the late 1940s?
A. To provide access to areas with poor or no reception
B. To improve internet connectivity
C. To support commercial advertisements
D. To distribute radio signals
Correct Answer:
A
Chapter: 195
Q2974:
Which technology is used in a Hybrid Fiber-Coaxial (HFC) network?
A. Fiber optic and coaxial cables
B. Satellite and coaxial cables
C. Only coaxial cables
D. Only fiber optic cables
Correct Answer:
A
Chapter: 195
Q2975:
Fill in the blank: The first generation of cable TV networks used _______ to provide access to remote TV broadcasts.
A. microwave connections
B. fiber optic cables
C. coaxial cables
D. telephone lines
Correct Answer:
A
Chapter: 195
Q2976:
What was the major advantage of cable TV networks using microwave connections in their early stages?
A. To access remote broadcasting stations
B. To increase the number of TV channels
C. To provide internet services
D. To enhance sound quality
Correct Answer:
A
Chapter: 195
Q2977:
Which of the following best describes the functionality of a Hybrid Fiber-Coaxial (HFC) network?
A. It combines fiber optic and coaxial cables for efficient communication
B. It only uses coaxial cables to transmit data
C. It exclusively uses fiber optic cables
D. It operates solely through satellite links
Correct Answer:
A
Chapter: 195
Q2978:
What was the purpose of CATV (Community Antenna Television) when it was first introduced?
A. To provide television signals to areas with poor reception
B. To offer satellite television
C. To distribute radio signals
D. To provide high-speed internet
Correct Answer:
A
Chapter: 195
Q2979:
What type of signal transmission is used in the early stages of cable TV networks?
A. Analog signals
B. Digital signals
C. Satellite signals
D. IP-based signals
Correct Answer:
A
Chapter: 195
Q2980:
Which of the following technologies did cable TV networks use to access TV broadcasts in remote locations in the 1940s?
A. Microwave connections
B. Fiber optic cables
C. Coaxial cables
D. Analog transmission lines
Correct Answer:
A