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Midterm prep IT 300 Questions with 100% Correct Answers Graded A+ | Verified | Latest Update 2024, Actual Complete Solutions ,Garanteed Distinction
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  • CompTIA
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Midterm prep IT 300 Questions with 100% Correct Answers Graded A+ | Verified | Latest Update 2024, Actual Complete Solutions ,Garanteed Distinction

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  • August 2, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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100%
Midterm
prep
IT
300
Select
the
correct
statement(s)
regarding
Ohm's
Law
a.
voltage
increases
as
current
increases
b.
with
AC
signals,
the
phase
values
of
voltage
and
current
may
differ
c.
AC
signals
result
in
reactive
values
of
impedance
d.
all
statements
are
correct
d.
all
statements
are
correct
1,000,000
Hz
(1E6)
is
equivalent
to:
a.
10,000kHz
b.
10MHz
c.
1MHz
d.
1GHz
c.
1MHz
The
period
of
a
carrier
wave
is
T=0.0025
seconds.
Determine
the
frequency
and
wavelength
of
the
carrier
wave.
a.
f=25
Hz,
λ=3
E8
meters
b.
f=250
Hz,
λ=3
E7
meters
c.
f=40
Hz,
λ=750
E6
meters
d.
f=400
Hz,
λ=750
E3
meters
d.
f=400
Hz,
λ=750
E3
meters
Given
the
following
parameters,
determine
the
correct
sinusoidal
equation
for
a
sine
wave:
f=10kHz,
A=3v,
φ
(phase
angle)=+
π/4
radians.
a.
3sin(2
π10
t
-
π/4)
b.
10sin(2
π3
t)
c.
10sin(2
π3
t
+
π/4)
d.
3sin(2
π10,000
t
+
π/4)
d.
3sin(2
π10,000
t
+
π/4)
An
E-M
wave
consists
of
an
electrical
wave
and
a
magnetic
wave
separated
by
90
degrees.
An
E-M
wave
is
created
when
a
current
travels
along
a
wire.
True
False
True
A
signal
has
a
frequency
range
from
300Hz
to
3.4kHz.
What
is
the
frequency
bandwidth
in
Hz?
a.
1300E6
Hz
b.
3100
Hz
c.
1.6
kHz
d.
130
kHz
b.
3100
Hz
The
greater
the
frequency
bandwidth
of
a
signal
the
greater
the
signal's
information
carrying
capacity. 100%
True
False
True
RF
and
Optical
signals
are
both
E-M
waves.
Therefore,
you
can
collect
an
optical
E-M
wave
using
an
RF
antenna.
True
False
False
Convert
120E3
mW
to
dBm
a.
30
dBm
b.
20.8
dBm
c.
50.8
dBm
d.
80.8
dBm
c.
50.8
dBm
Convert
-10
dBW
to
milliwatts
a.
0.1
mW
b.
100
mW
c.
-100
mW
d.
-0.1
mW
b.
100
mW
A
communications
link
is
an
end-to-end
path
between
communicating
users
through
a
network.
True
False
False
Identify
the
type
of
circuit
in
which
the
user
maintains
exclusive
24/7
access
to
the
physical
path.
a.
Dedicated
Circuit
b.
Switched
Circuit
c.
Virtual
Circuit
d.
Packet
Switched
Circuit
a.
Dedicated
Circuit
A
virtual
circuit
enables
the
sharing
of
physical
links
by
numerous
users.
Time
division
multiplexing
(TDM)
and
packet
switching
techniques
are
ways
in
which
virtual
circuits
can
be
created
True
False
True
Select
the
correct
statement(s)
regarding
connectionless
and
connection-oriented
networks.
a.
packet
networks
support
either
connection-oriented
or
connectionless
circuits
b.
A
connection
must
be
established
prior
to
exchanging
data
when
using
a
connectionless
circuit
c.
packets
must
contain
source
and
destination
addresses
in
a
connection-oriented
circuit
d.
all
statements
are
correct

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