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Here I am giving you question paper for IETE AMIETE-ET (Old Scheme) Telecommunication Systems Examination in PDF file attached with it so you can get it easily..

Q.1 Choose the correct or the best alternative in the following: (2×10)
a. Telephone systems may be classified as:
(A) Simplex and symmetrical (B) Duplex and asymmetrical.
(C) Simplex and asymmetrical (D) Duplex and symmetrical

b. The optical fiber trans-Atlantic cable TAT-14 includes a section from
Bude, Cornwall to Tuckerton, New Jersey. Determine the propagation
delay if the route length is 6,254 km.
(A) 312.7 ms (B) 31.27 ms
(C) 3.198 ms (D) 31.98 ms

c. A file is downloaded to a home computer using a 56 kbps modem
connected to an Internet Service Provider. If the download completes in 2
minutes, estimate the maximum size of data downloaded.
(A) 6.72 Mbit (B) 336 Kbit
(C) 26.88 Mbit (D) 13.44 Mbit

d. Baseband transmission may be defined as the transmission of a signal over a
link
(A) By means of wires
(B) Without any change in frequency
(C) At a different band of frequencies
(D) Which is relatively short

e. The primary purpose of a Remote Concentrator Unit (RCU) is:
(A) To aggregate small loads of traffic per line into a smaller number of
correspondingly heavier loaded lines.
(B) To connect subscribers that is beyond the maximum allowable distance
from the LE/CO
(C) To reduce the number of subscriber cable pairs at a LE/CO.
(D) To provide economy through pair gain

f. A telephone customarily includes a 4-wire to 2-wire hybrid. The purpose of a
hybrid is
(A) To combine the signals associated with the microphone and speaker
(B) To interconnect the 4 wires of a telephone to a line.
(C) To merge/separate signals associated with the microphone and speaker
(D) None of them

g. ADSL stands for
(A) Advanced Digital Subscriber Loop
(B) Asymmetrical Digital Subscriber Loop.
(C) Advanced Digital Session Layer
(D) Asynchronous Digital Subscriber Loop.

h. TASI stands for
(A) Transmission And System Interface
(B) Terminal Aided System Interaction
(C) Transmission And System Interference
(D) Time Assignment Speech Interpolation

i. PSTN stands for
(A) Public Switched Telephone Network
(B) Private System Transmission Network
(C) Private Subscriber Telephone Network
(D) Public Switched Transmission Network

j. Ideal value of Grade of service is
(A) Zero (B) Unity
(C) infinite. (D) ten.

IETE AMIETE-ET Old Scheme Telecommunication Systems Exam paper





IETE AMIETE-ET Old Scheme Telecommunication Systems Exam paper

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