Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Chapter: 192
Q2921:
A large state may have ______ LATA(s).
A. no
B. only one
C. several
D. split-level
Correct Answer:
C
Chapter: 192
Q2922:
Fill in the blank: A ______ boundary may overlap with a state boundary.
A. region
B. network
C. internet
D. LATA
Correct Answer:
D
Chapter: 192
Q2923:
Services provided within a single LATA are known as:
A. Local services
B. Intra-LATA services
C. Inter-LATA services
D. National services
Correct Answer:
B
Chapter: 192
Q2924:
What are services called that are provided between LATAs?
A. Intra-LATA services
B. External network services
C. Inter-LATA services
D. Bridge services
Correct Answer:
C
Chapter: 192
Q2925:
What is the name of the carrier that handles Intra-LATA services?
A. Interexchange Carrier
B. Local Exchange Carrier
C. Metro Provider
D. Regional Operator
Correct Answer:
B
Chapter: 192
Q2926:
What type of carrier handles Inter-LATA services?
A. Local Exchange Carrier
B. Regional Carrier
C. Interexchange Carrier
D. Core Network Carrier
Correct Answer:
C
Chapter: 192
Q2927:
Fill in the blank: A ______ handles calls that cross from one LATA to another.
A. Local Exchange Carrier
B. Wi-Fi Carrier
C. Interexchange Carrier
D. Toll-Free Provider
Correct Answer:
C
Chapter: 192
Q2928:
Which of the following provides local telephony service inside a LATA?
A. IXC
B. ISP
C. LEC
D. DSL
Correct Answer:
C
Chapter: 192
Q2929:
What does IXC stand for?
A. International Exchange Center
B. Interconnect Carrier
C. Internal Exchange Carrier
D. Interexchange Carrier
Correct Answer:
D
Chapter: 192
Q2930:
Fill in the blank: A ______ is a physical location where a long-distance carrier connects to a local telephone company.
A. Router
B. Point of Presence
C. Trunk box
D. Packet Exchange
Correct Answer:
B
Chapter: 192
Q2931:
What does POP stand for in telecommunications?
A. Point of Protocol
B. Place of Phone
C. Point of Presence
D. Provider of Plans
Correct Answer:
C
Chapter: 192
Q2932:
Fill in the blank: Switching offices in a LATA are connected through ______.
A. trunks
B. wires
C. satellite links
D. fiber hubs
Correct Answer:
A
Chapter: 192
Q2933:
Which of the following best describes the relation between LECs and IXCs?
A. LECs operate globally, IXCs operate locally
B. LECs connect to IXCs via POPs
C. LECs and IXCs are the same
D. IXCs provide internet access
Correct Answer:
B
Chapter: 192
Q2934:
What is the main function of switching offices in a LATA?
A. Data encoding
B. Voice packet processing
C. Call routing and switching
D. DNS handling
Correct Answer:
C
Chapter: 193
Q2935:
In the beginning, the telephone network used which type of network for voice communication?
A. Packet-switched
B. Circuit-switched
C. Cell-switched
D. Wireless
Correct Answer:
B
Chapter: 193
Q2936:
How were two parties connected in early telephone networks?
A. By satellite
B. By mobile towers
C. By a wire with two plugs inserted into jacks
D. By radio waves
Correct Answer:
C
Chapter: 193
Q2937:
Fill in the blank: Initially, telephone operators connected calls manually using ______.
A. touch screens
B. wireless routers
C. two plugs and jacks
D. rotary antennas
Correct Answer:
C
Chapter: 193
Q2938:
Which of the following best describes the role of the operator in early telephone communication?
A. Encoding data
B. Generating electricity
C. Physically connecting calls
D. Routing IP packets
Correct Answer:
C
Chapter: 193
Q2939:
What was introduced to replace manual switching in telephony?
A. Fiber optics
B. Rotary telephones
C. Satellite phones
D. Push-button phones
Correct Answer:
B
Chapter: 193
Q2940:
Rotary telephones sent a ______ signal for each digit dialed.
A. voice
B. analog
C. digital
D. visual
Correct Answer:
C