B.C.A. (Semester III) (CGPA) Examination, 2017
NETWORKING AND DATA COMMUNICATION
Day Date: Thursday, 13-04-2017 Max. Marks: 70
Time: 02.30 AM to 05.00 PM
N.B. Q.1 and Q.7 are compulsory.
Attempt any two questions from Q. 3 and 4.
Attempt any one question from Q. 5 and 6.
Figures to the right indicate full marks.
Q.1 Choose correct alternatives: 14
The physical layer concerns with
Bit-by-bit delivery
Process to process delivery
Application to application delivery
None of the mentioned
Most packet switches use this principle.
Stop and wait Store and forward
Both of the mentioned None of the mentioned
In computer network nodes are
the computer that originates the data
the computer that routes the data
the computer that terminates the data
all of the mentioned
Railway track is the example of
Simplex Half Duplex
Full Duplex None of the above
Which layer is responsible for process to process delivery?
Network layer Transport layer
Session layer Data link layer
CRC stands for
Cyclic redundancy check Code repeat check
Code redundancy check Cyclic repeat check
Which one of the following is the multiple access protocol for
channel access control?
CSMA/CD CSMA/CA
Both a and b None of the mentioned
Page 1 of 2
SLR-U 12
Which one of the following is not a function of network layer?
Routing Inter-networking
Congestion control None of the mentioned
Bridge works in which layer of the OSI?
Application layer Transport layer
Network layer Data link layer
10)What protocol is used to find the hardware address of a local
device?
RARP ARP IP ICMP
11)The phone network uses circuit switching.
True False
12) topology uses multipoint technology.
Star Bus Ring Mesh
13)In datagram network, each packet is treated independent.
True False
14)Bridge is device.
Networking Connecting Internetworking Routing
Q.2 Write the answer of the following questions (Any 14
Explain Fiber optic cable in detail.
Differentiate between TCP and UDP.
Explain communication model in detail.
Q.3 Write the answer of the following questions (Any 14
Explain protocol hierarchy in detail.
Explain Link State Routing in detail.
Explain Real time transport protocol in detail.
Q.4 Write the answer of the following questions (Any 14
What is topology? Explain different types of topology.
Explain packet switching in detail.
Explain stop and wait protocol.
Q.5 Write the answer of the following questions. 14
Explain ISO-OSI reference model in detail.
Explain Data Compression in detail.
Q.6 Write the answer of the following questions. 14
Explain Transmission Mode in detail.
Explain shortest path algorithm.
Q.7 Write the short notes (Any two) 14
Bridge
Time Division multiplexing
Hamming distance
ARP RARP