Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Chapter: 190
Q2901:
What happens to CSMA/CD in 10-Gigabit Ethernet?
A. Still used
B. Used in emergencies
C. Replaced by token passing
D. Eliminated completely
Correct Answer:
D
Chapter: 191
Q2902:
What is the purpose of an Access Network?
A. To connect LANs to another LAN
B. To connect LANs to an ISP
C. To connect computers wirelessly
D. To connect to satellites
Correct Answer:
B
Chapter: 191
Q2903:
Which type of network is typically used to transfer data over long distances?
A. Access Network
B. Local Area Network
C. Wide Area Network
D. Private Network
Correct Answer:
C
Chapter: 191
Q2904:
Fill in the blank: ______ networks are used to transfer data over long distances.
A. Local
B. Personal
C. Wide area
D. Satellite
Correct Answer:
C
Chapter: 191
Q2905:
When did the telephone network originate?
A. Late 1700s
B. Early 1900s
C. Late 1800s
D. 1970s
Correct Answer:
C
Chapter: 191
Q2906:
The original telephone system was known as:
A. PANS
B. POTS
C. IP-Phone
D. VoIP
Correct Answer:
B
Chapter: 191
Q2907:
What type of signal did the original POTS use?
A. Digital signals only
B. Optical signals
C. Analog signals
D. Data packets
Correct Answer:
C
Chapter: 191
Q2908:
Fill in the blank: The Plain Old Telephone System (POTS) was originally an ______ system.
A. analog
B. digital
C. wireless
D. hybrid
Correct Answer:
A
Chapter: 191
Q2909:
In which decade did the telephone network begin to carry data in addition to voice?
A. 1970s
B. 1980s
C. 1990s
D. 2000s
Correct Answer:
B
Chapter: 191
Q2910:
What are the two forms of the modern telephone network?
A. Analog and wireless
B. Analog and optical
C. Digital and analog
D. Digital and wireless
Correct Answer:
C
Chapter: 191
Q2911:
Fill in the blank: The telephone network today can transmit signals in both ______ and ______ forms.
A. Digital, Satellite
B. Digital, Analog
C. Analog, Optical
D. Wireless, Optical
Correct Answer:
B
Chapter: 191
Q2912:
Which of the following is NOT a major component of the telephone network?
A. Local loops
B. Trunks
C. Subnets
D. Switching offices
Correct Answer:
C
Chapter: 191
Q2913:
Which are major components of the telephone network?
A. Switching routers only
B. Optical cables only
C. Local loops, trunks, switching offices
D. Satellite systems only
Correct Answer:
C
Chapter: 191
Q2914:
What connects end users to their nearest switching office in a telephone network?
A. Tandem office
B. Local loop
C. Trunk
D. Regional office
Correct Answer:
B
Chapter: 191
Q2915:
What do trunks in the telephone network typically connect?
A. Telephones to computers
B. End offices to users
C. One switching office to another
D. Cell towers to landlines
Correct Answer:
C
Chapter: 191
Q2916:
Which is the highest level switching office in the telephone network?
A. Local office
B. Tandem office
C. Regional office
D. Customer exchange
Correct Answer:
C
Chapter: 191
Q2917:
Fill in the blank: The telephone network uses ______ to manage connections and data transfer.
A. Switching offices
B. Routers only
C. Switches and hubs
D. Satellite signals
Correct Answer:
A
Chapter: 191
Q2918:
Which of the following is NOT a type of switching office?
A. End office
B. Core office
C. Tandem office
D. Regional office
Correct Answer:
B
Chapter: 192
Q2919:
What does LATA stand for in the telephone network?
A. Local Area Telephone Access
B. Local Access and Transport Area
C. Local Analog Telephone Area
D. Local Area Trunk Association
Correct Answer:
B
Chapter: 192
Q2920:
A small state usually has ______ LATA(s).
A. multiple
B. a single
C. no
D. unknown
Correct Answer:
B