B.TechSemester 52023-24Electronics SwitchingKEC055

Electronics Switching (KEC055) - AKTU Question Paper 2023-24

B.Tech · Semester 5 · Free PDF Download

This is the official AKTU Electronics Switching Previous Year Question Paper for B.Tech Semester 5, academic session 2023-24. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech
Semester:Semester 5
Session:2023-24
University:AKTU / UPTU

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Questions Asked in 2023-24

Electronics Switching (KEC055) — complete question paper · 100 marks · 3 Hours

Section AAttempt all q u e s t i o n s i n b r i e f .
  • a
    Explain the classification of switching system. 2 1
  • b
    Discuss the limitations of Manual switching system. 2 1
  • c
    Enlist the key elements of Digital switching. 2 2
  • d
    Explain the advantages of Time division switching. 2 2
  • e
    Define the term Blocking and Queuing. 2 3
  • f
    Describe the term Grade of Service for a loss system. 2 3
  • g
    Explain the features of CCITT signaling system no. 7. 2 4
  • h
    Classify different types of signaling techniques. 2 4 i. Enlist the advantages of ATM. 2 5 j. Explain the term Statistical Multiplexing. 2 5
Section BAttempt any three o f t h e f o l l o w i n g :
  • a
    Using block diagram describe distribution frames in Strowger exchange also discuss their significance
  • b
    Differentiate between three stage STS and TST switching. Det ermine the implementation complexity a 2048- channnel STS switch implemente d for 16 TDM links with 128 channels on each link. The desired maximum block ing probability is 0.002 for channel occupancies of 0.1
  • c
    Illustrate different type of B locking models and delay system. 10 3
  • d
    Demonstrate Stored Program C ontrol and its classification in detail. 10 4
  • e
    (i) Describe ATM switching. Also discuss how it is different from TDM circuit switch. (ii) Explain X.25 in brief
Section CAttempt any one p a r t o f t h e f o l l o w i n g :
  • a
    Elaborate- (i) Register Translator Sender system. (ii) General trunking electronic switching
  • b
    Differentiate between Messa ge, Circuit, and Packet Switching. 10 1
  • a
    Demonstrate Sp ace Division Switching in detail. 10 2
  • b
    Illustrate Two-dimensional switching in detail. Also draw th e structure of TSSST switch
  • a
    Illustrate the different terms related to Network traffic lo ad. And find out the load offered to the network by the subscriber and the average subscr iber traffic, when over a 20-minute observation interval, 40 subscriber initiate calls. Total duration of the calls is 4800 seconds
  • b
    Derive the equation of Grade of service and blocking probabi lity of lost call cleared service (LCC)
  • a
    Illustrate principle, advantages and disadvantages of common channel signaling. 10 4
  • b
    Demonstrate various modes of dual processor architecture. 10 4
  • a
    Elaborate Routing control and flow control. 10 5
  • b
    (i) Explain layered mechanism of TCP/IP model. (ii) Discuss Banyan Network Switch

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

Repeated Questions — KEC055

Questions that appeared in more than one session, found by comparing 2 years of Electronics Switching papers (2022-23, 2023-24)

2x

Explain the advantages of Time division switching. 2 2

Appeared in: 2022-23 · 2023-24

2x

Differentiate between Messa ge, Circuit, and Packet Switching. 10 1

Appeared in: 2022-23 · 2023-24

2x

Illustrate the different terms related to Network traffic lo ad. And find out the load offered to the network by the subscriber and the average subscr iber traffic, when over a 20-minute observation interval, 40 subscriber initiate calls. Total duration of the calls is 4800 seconds

Appeared in: 2022-23 · 2023-24

2x

Derive the equation of Grade of service and blocking probabi lity of lost call cleared service (LCC)

Appeared in: 2022-23 · 2023-24

Electronics Switching — Other Year Papers

AKTU Electronics Switching PYQs from other sessions

Syllabus & More PYQs

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