ITN 100 Midterm Exam Newest 2025/2026 Actual Complete
All Real Exam Questions And Correct Detailed Answers
(Verified Answers) |Already Graded A+ /Brand New!!
With which type of digital signaling does the signal always
return to zero volts
after each bit? - ANSWER-Return-to-zero
signaling
The typical range of human hearing is - ANSWER-20 to 14,000
Hz
In which type of modulation is a 1 distinguished from a 0 by
shifting the direction
in which the wave begins? - ANSWER-phase
modulation
Which of the following is true about the data link protocol,
Ethernet (IEEE
802.3)? - ANSWER-newer version permits
jumbo frames
,Transmission efficiency refers to the percentage of bits
transmitted without
errors - ANSWER-
FALSE
Only the sender of a data transmission needs to be concerned
about the rules
or protocols that govern how it communicates with the
receiver - ANSWER-
FALSE
Cross-talk - ANSWER-occurs when one circuit picks up signals
in another
The distance between repeaters or amplifiers on a telephone
circuit is determined by the amount of power gained per unit
length of the transmission. -
ANSWER-FALSE
_____________ is an effective way to prevent impulse noise,
cross talk, and
inter-modulation noise. - ANSWER-
Shielding wires
,____________ is not a function of a data link protocol. -
ANSWER-Amplitude
shift
keying
Media access controls refer to the need to control when
computers transmit. -
ANSWER-
TRUE
__________can obliterate a group of bits, causing a burst
error - ANSWER-
Impulse
noise
the data link protocol, PPP - ANSWER-it is commonly used in
WANs
Another term for impulse noise is: - ANSWER-spikes
If a signal with a frequency of 500 MHz combines with a another
signal of 1500
MHz and they form a new signal of 2000 MHz; this is an
example of: -
, ANSWER-
intermodulation noise
When the output signal from an amplifier on a circuit is
different from the input
signal, this is called - ANSWER-
cross-talk
Overhead bits are used for error checking and marking the
start and end of
characters and packets. -
ANSWER-TRUE
___ is the process of sending a signal to a client that gives
its permission to
transmit or asks it to receive. -
ANSWER-Polling
Which of the following is not a type of synchronous protocol? -
ANSWER-VT100
The primary source of error in data communications is: -
ANSWER-spikes
With odd parity (assume that the parity bit (in bold) has been
placed at the end
All Real Exam Questions And Correct Detailed Answers
(Verified Answers) |Already Graded A+ /Brand New!!
With which type of digital signaling does the signal always
return to zero volts
after each bit? - ANSWER-Return-to-zero
signaling
The typical range of human hearing is - ANSWER-20 to 14,000
Hz
In which type of modulation is a 1 distinguished from a 0 by
shifting the direction
in which the wave begins? - ANSWER-phase
modulation
Which of the following is true about the data link protocol,
Ethernet (IEEE
802.3)? - ANSWER-newer version permits
jumbo frames
,Transmission efficiency refers to the percentage of bits
transmitted without
errors - ANSWER-
FALSE
Only the sender of a data transmission needs to be concerned
about the rules
or protocols that govern how it communicates with the
receiver - ANSWER-
FALSE
Cross-talk - ANSWER-occurs when one circuit picks up signals
in another
The distance between repeaters or amplifiers on a telephone
circuit is determined by the amount of power gained per unit
length of the transmission. -
ANSWER-FALSE
_____________ is an effective way to prevent impulse noise,
cross talk, and
inter-modulation noise. - ANSWER-
Shielding wires
,____________ is not a function of a data link protocol. -
ANSWER-Amplitude
shift
keying
Media access controls refer to the need to control when
computers transmit. -
ANSWER-
TRUE
__________can obliterate a group of bits, causing a burst
error - ANSWER-
Impulse
noise
the data link protocol, PPP - ANSWER-it is commonly used in
WANs
Another term for impulse noise is: - ANSWER-spikes
If a signal with a frequency of 500 MHz combines with a another
signal of 1500
MHz and they form a new signal of 2000 MHz; this is an
example of: -
, ANSWER-
intermodulation noise
When the output signal from an amplifier on a circuit is
different from the input
signal, this is called - ANSWER-
cross-talk
Overhead bits are used for error checking and marking the
start and end of
characters and packets. -
ANSWER-TRUE
___ is the process of sending a signal to a client that gives
its permission to
transmit or asks it to receive. -
ANSWER-Polling
Which of the following is not a type of synchronous protocol? -
ANSWER-VT100
The primary source of error in data communications is: -
ANSWER-spikes
With odd parity (assume that the parity bit (in bold) has been
placed at the end
