Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q1631: Each connection in a circuit-switched network uses ______ on each link.
- A: multiple paths
- B: shared channels
- C: one dedicated channel
- D: digital routing
View Answer
C
Q1632: Each link in a circuit-switched network can be divided into channels using:
- A: FDM or TDM
- B: FAT or DAT
- C: ATM or DSL
- D: PCM or DTM
View Answer
A
Q1633: Fill in the blank: In circuit-switched networks, each link is normally divided into ______ using FDM or TDM.
- A: 1 path
- B: n channels
- C: IP packets
- D: segments
View Answer
B
Q1634: How many 4-kHz voice channels can be connected on a link with 8 kHz bandwidth using FDM?
- A: 4
- B: 2
- C: 1
- D: 8
View Answer
B
Q1635: In a circuit-switched network for phones, which technique is typically used to divide the link bandwidth?
- A: PDM
- B: FDM
- C: PCM
- D: CDM
View Answer
B
Q1636: Which line type is used to connect two remote offices in a circuit-switched network example?
- A: Ethernet
- B: TCP
- C: T-1
- D: Wi-Fi
View Answer
C
Q1637: How many outputs are available in the 4×8 switch example given?
- A: 4
- B: 2
- C: 8
- D: 6
View Answer
C
Q1638: Fill in the blank: A ______ path is reserved for the duration of the communication in a circuit-switched network.
- A: shared
- B: random
- C: dedicated
- D: split
View Answer
C
Q1639: Which of the following is NOT commonly used in circuit-switched network links?
- A: TDM
- B: FDM
- C: TCP
- D: Frequency Division
View Answer
C
Q1640: In the example of a voice circuit-switched network, what is the bandwidth of each link?
- A: 2 kHz
- B: 8 kHz
- C: 4 kHz
- D: 16 kHz
View Answer
B