Q.1 Most packet switches use this principle ____________.
A. Stop and wait
B. Store and forward
C. Store and wait
D. Stop and forward
Ans : Store and forward
Q.2 What are the Methods to move data through a network of links and switches?
A. Packet switching and Line switching
B. Circuit switching and Line switching
C. Packet switching and Circuit switching
D. Line switching and bit switching
Ans : Packet switching and Circuit switching
Q.3 If there are N routers from source to destination, the total end to end delay in sending packet P(L-> number of bits in the packet R-> transmission rate) is equal to ______________.
A. N
B. (N*L)/R
C. (2N*L)/R
D. L/R
Ans : (N*L)/R
Q.4 A local telephone network is an example of a _______ network.
A. Packet switched
B. Circuit switched
C. Bit switched
D. Line switched
Ans : Circuit switched
Q.5 As the resources are reserved between two communicating end systems in circuit switching, ___________ is achieved.
A. authentication
B. guaranteed constant rate
C. reliability
D. store and forward
Ans : guaranteed constant rate
Q.6 The required resources for communication between end systems are reserved for the duration of the session between end systems in ________ method.
A. Packet switching
B. Circuit switching
C. Line switching
D. Frequency switching
Ans : Circuit switching
Q.7 Which of the following is not an application layer service?
A. Network virtual terminal
B. File transfer, access, and management
C. Mail service
D. Error control
Ans : Error control
Q.8 In _________ systems, resources are allocated on demand.
A. packet switching
B. circuit switching
C. line switching
D. frequency switching
Ans : packet switching
Q.9 In which one of the following switching, the call setup is not required?
A. Circuit switching
B. Packet switching
C. Both the options
D. None of the above
Ans : Packet switching
Q.10 The charging in packet switching is ______________ based?
A. Packet
B. Time
C. Both the options
D. None of the above
Ans : Packet
Q.11 In which one of the following switching, there will not be any dedicated connection between two hosts?
A. Circuit switching
B. Packet switching
C. Both the options
D. None of the above
Ans : Packet switching
Q.12 Which one of the following switching is not transparent?
A. Circuit switching
B. Packet switching
C. Both the options
D. None of the above
Ans : Packet switching
