AT&T TKT II COMPLETE EXAM
QUESTIONS AND CORRECT
SOLUTIONS||UPDATED 2026/2027
SYLLABUS||100% GUARANTEED
PASS||A+ GRADED||<<RECENT
VERSION>>
Except for a brief period immediately after voltage is applied_________ -
ANSWER ✓ Capacitors block DC, Capacitors can store a DC charge, Capacitors
pass the effects of AC
A Bit is ___________ - ANSWER ✓ The smallest unit of information that a
computer can use, either a 0 or 1
A byte is __________ - ANSWER ✓ 8 bits, The smallest unit of information can
store
A nibble is __________ - ANSWER ✓ 4 bits or half a byte
1 KB based on binary system - ANSWER ✓ 1024 bits
Converts AC to pulsating DC - ANSWER ✓ Rectifier
How many time constants are required to charge a capacitor to 100 percent of the
source voltage. - ANSWER ✓ 5
A device used to compensate for variations in speed between to different devices
is a _________ - ANSWER ✓ Buffer
ROM (read only memory) - ANSWER ✓ Operates the system and decodes
program language
, RAM (random access memory) - ANSWER ✓ Can be changed by the user or
system and is lost when power is removed from the system
To communicate between all its elements, a computer utilizes__________ -
ANSWER ✓ Buses
Software includes_________ - ANSWER ✓ Programs, routines and symbolic
languages
if data is sent in serial form you would expect________ - ANSWER ✓ The bits to
arrive 1 at time
High speed data transmition would be done as synchronous or Asynchronous
transmition - ANSWER ✓ Synchronous
Full duplex transmission allows data to flow - ANSWER ✓ Both directions
simultaneously
A device that increases measured loss in a circuit is called a ____________ -
ANSWER ✓ Pad
A device that provides a gain in a circuit is a ____________ - ANSWER ✓
Repeater
As frequency of signals increase, you would expect measured loss to__________ -
ANSWER ✓ Increase
The small the gauge wire used in transmition - ANSWER ✓ The greater the
measured loss
A circle in a flow chart indicates - ANSWER ✓ A start point
A diamond on a flow chart indicates - ANSWER ✓ A decision
The 3 leads on a Transistor are ___________ - ANSWER ✓ The emitter, the
base, and the collector
Base current causes - ANSWER ✓ Collector current to flow
, A rectangle on a Flow chart indicates - ANSWER ✓ An instruction
A resionate AC circuit offers_________ - ANSWER ✓ minimum impedance to
current flow
A short circuit can be described as; - ANSWER ✓ A fault in the intended designed
circuit pathway that may cause high current or unintended high current flow.
A closed circuit can be described as; - ANSWER ✓ The intended designed circuit
with a complete pathway with no abnormal faults in the circuit.
Capacitance can store energy in the form of a charge:
True or False? - ANSWER ✓ True
Earth ground has a total potential of ___ volts - ANSWER ✓ 0 volts
What frequency does the Northern American grid system use for AC? - ANSWER
✓ 60 hz
How many cycles are in a 60hz per second? - ANSWER ✓ 60 complete wave
sequences
This signal has only two defined states - ANSWER ✓ Digital
Are most waves transmitted via analog or digital ? - ANSWER ✓ Analog waves
Should a multimeter offer;
A: maximum resistance
B: minimum resistance
C: Both A & B - ANSWER ✓ A: maximum resistance
A fuse is intended to fault/short a circuit in the occurrence of an overcurrent : True
or False? - ANSWER ✓ True
Rubber is a good conductor of electricity to flow through: True or False? -
ANSWER ✓ False, rubber is not a good conductor, in fact it's an insulator
QUESTIONS AND CORRECT
SOLUTIONS||UPDATED 2026/2027
SYLLABUS||100% GUARANTEED
PASS||A+ GRADED||<<RECENT
VERSION>>
Except for a brief period immediately after voltage is applied_________ -
ANSWER ✓ Capacitors block DC, Capacitors can store a DC charge, Capacitors
pass the effects of AC
A Bit is ___________ - ANSWER ✓ The smallest unit of information that a
computer can use, either a 0 or 1
A byte is __________ - ANSWER ✓ 8 bits, The smallest unit of information can
store
A nibble is __________ - ANSWER ✓ 4 bits or half a byte
1 KB based on binary system - ANSWER ✓ 1024 bits
Converts AC to pulsating DC - ANSWER ✓ Rectifier
How many time constants are required to charge a capacitor to 100 percent of the
source voltage. - ANSWER ✓ 5
A device used to compensate for variations in speed between to different devices
is a _________ - ANSWER ✓ Buffer
ROM (read only memory) - ANSWER ✓ Operates the system and decodes
program language
, RAM (random access memory) - ANSWER ✓ Can be changed by the user or
system and is lost when power is removed from the system
To communicate between all its elements, a computer utilizes__________ -
ANSWER ✓ Buses
Software includes_________ - ANSWER ✓ Programs, routines and symbolic
languages
if data is sent in serial form you would expect________ - ANSWER ✓ The bits to
arrive 1 at time
High speed data transmition would be done as synchronous or Asynchronous
transmition - ANSWER ✓ Synchronous
Full duplex transmission allows data to flow - ANSWER ✓ Both directions
simultaneously
A device that increases measured loss in a circuit is called a ____________ -
ANSWER ✓ Pad
A device that provides a gain in a circuit is a ____________ - ANSWER ✓
Repeater
As frequency of signals increase, you would expect measured loss to__________ -
ANSWER ✓ Increase
The small the gauge wire used in transmition - ANSWER ✓ The greater the
measured loss
A circle in a flow chart indicates - ANSWER ✓ A start point
A diamond on a flow chart indicates - ANSWER ✓ A decision
The 3 leads on a Transistor are ___________ - ANSWER ✓ The emitter, the
base, and the collector
Base current causes - ANSWER ✓ Collector current to flow
, A rectangle on a Flow chart indicates - ANSWER ✓ An instruction
A resionate AC circuit offers_________ - ANSWER ✓ minimum impedance to
current flow
A short circuit can be described as; - ANSWER ✓ A fault in the intended designed
circuit pathway that may cause high current or unintended high current flow.
A closed circuit can be described as; - ANSWER ✓ The intended designed circuit
with a complete pathway with no abnormal faults in the circuit.
Capacitance can store energy in the form of a charge:
True or False? - ANSWER ✓ True
Earth ground has a total potential of ___ volts - ANSWER ✓ 0 volts
What frequency does the Northern American grid system use for AC? - ANSWER
✓ 60 hz
How many cycles are in a 60hz per second? - ANSWER ✓ 60 complete wave
sequences
This signal has only two defined states - ANSWER ✓ Digital
Are most waves transmitted via analog or digital ? - ANSWER ✓ Analog waves
Should a multimeter offer;
A: maximum resistance
B: minimum resistance
C: Both A & B - ANSWER ✓ A: maximum resistance
A fuse is intended to fault/short a circuit in the occurrence of an overcurrent : True
or False? - ANSWER ✓ True
Rubber is a good conductor of electricity to flow through: True or False? -
ANSWER ✓ False, rubber is not a good conductor, in fact it's an insulator
