ES3J STUDY EXAM LATEST 2026 UPDATED QUESTIONS
AND VERIFIED 100% SOLUTIONS (2026/2027) GRADE:
A+|STATUS: GUARANTEED PASS
Voltage that is variable with time - Answers -Describe the characteristics of an analog signal
Point to point network - Answers -2 Computers directly connected to each other is an example
of
Star Network - Answers -A collection of links with a common node is an example
Bus Network - Answers -Multiple computer sharing a common line is and example of a
ring network - Answers -A Network in which each computer is connected to 2 other computers
forming a circle is called
GFI - Answers -Which of the following is not considered suitable for an alarm transformer to be
plugged into.
1|Page
,a Network - Answers -A system in which all comunication devices go back to a central switching
point is called a
Alternating current - Answers -An electric current thats movement reverses at regularly
recurring intervals is known as
Button activated and typically silent - Answers -What are the characteristics of a holdup alarm?
Transformer - Answers -What is a device that steps up or steps down voltage
Component - Answers -A video camcorder output is what type of signal
Isolating grounds - Answers -Grounds within a building designed to reduce electromagnetic
interference are known as _____?
ONFP - Answers -Which fiber optic cable can be used in a free air ceiling
Gain - Answers -To increase the volume on an audio system you must adjust the
2|Page
, Magnet - Answers -A reed switch is operated by a
Tree and Branch - Answers -CATV commonly uses the following network configuration:
Removing the water in the soil - Answers -Which of the following would provide the least
effective ground
Sat in - Answers -On a satellite receiver what sends the polarized voltage back to the LNB
12 Volts - Answers -On a 12 volt line there is a 6K resistor across, what voltage do you have
Composite - Answers -A CCTV signal is what type of signal?
A Balanced to unbalanced transformer - Answers -What is balun?
Voltage - Answers -What pushes electrical current
Remove water from the soil - Answers -Which of the following would NOT raise resistance of a
ground rod?
3|Page
AND VERIFIED 100% SOLUTIONS (2026/2027) GRADE:
A+|STATUS: GUARANTEED PASS
Voltage that is variable with time - Answers -Describe the characteristics of an analog signal
Point to point network - Answers -2 Computers directly connected to each other is an example
of
Star Network - Answers -A collection of links with a common node is an example
Bus Network - Answers -Multiple computer sharing a common line is and example of a
ring network - Answers -A Network in which each computer is connected to 2 other computers
forming a circle is called
GFI - Answers -Which of the following is not considered suitable for an alarm transformer to be
plugged into.
1|Page
,a Network - Answers -A system in which all comunication devices go back to a central switching
point is called a
Alternating current - Answers -An electric current thats movement reverses at regularly
recurring intervals is known as
Button activated and typically silent - Answers -What are the characteristics of a holdup alarm?
Transformer - Answers -What is a device that steps up or steps down voltage
Component - Answers -A video camcorder output is what type of signal
Isolating grounds - Answers -Grounds within a building designed to reduce electromagnetic
interference are known as _____?
ONFP - Answers -Which fiber optic cable can be used in a free air ceiling
Gain - Answers -To increase the volume on an audio system you must adjust the
2|Page
, Magnet - Answers -A reed switch is operated by a
Tree and Branch - Answers -CATV commonly uses the following network configuration:
Removing the water in the soil - Answers -Which of the following would provide the least
effective ground
Sat in - Answers -On a satellite receiver what sends the polarized voltage back to the LNB
12 Volts - Answers -On a 12 volt line there is a 6K resistor across, what voltage do you have
Composite - Answers -A CCTV signal is what type of signal?
A Balanced to unbalanced transformer - Answers -What is balun?
Voltage - Answers -What pushes electrical current
Remove water from the soil - Answers -Which of the following would NOT raise resistance of a
ground rod?
3|Page
