PTU Punjab Technical University B-Tech May 2019 Question Papers 6th Semester Electronic and Communication Engineering (ECE)
Total No. of Pages : 02
Total No. of Questions : 09
B.Tech.(EIE) (2011 & Onwards E-II) (Sem.?6)
INDUSTRIAL DATA COMMUNICATIONS
Subject Code : DE-2.1
M.Code : 58031
Time : 3 Hrs. Max. Marks : 60
INSTRUCTION TO CANDIDATES :
SECTION-A is COMPULSORY consisting of TEN questions carrying T WO marks
SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
SECTION-C contains T HREE questions carrying T EN marks each and students
have to attempt any T WO questions.
Answer briefly :
a. How many layers are there in OSI?
b. What is the function of a bus in data communication?
c. What is the difference between serial and parallel communication?
d. What do you understand from topologies?
e. What is the function of router in between two computers connected?
f. Can a printer be shared by more than two computers connected in LAN?
g. What are the types of fibre optic cables?
h. What is PLC?
i. What is DCOM?
j. What is the function of data link layer?
1 | M - 5 8 0 3 1
( S 2 ) - 1 5 8 5
What do you understand from field bus system? How profibus and interbus work
What are virtual private networks? How do they work?
What do you understand from master slave procedures?
Discuss the networking of PLC for communicating the data.
What do you understand from communication protocols and reference models? Explain
the functioning of each layer of OSI and TCP/IP?
What is the role of information technology in data communication these days? How the
RIP and OSPF router technologies work?
What is the difference between RS-232, RS- 422 and RS-485? Explain in detail.
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
2 | M - 5 8 0 3 1
( S 2 ) - 1 5 8 5
This post was last modified on 04 November 2019