803 TECHNICAL KNOWLEDGE TEST II (TKT II) AT&T PRACTICE EXAM
Complete 200-Question Practice Exam with Correct Answers &
Detailed Rationales 2026 Edition – Based on AT&T TKT II Test
Specifications
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EXAM TYPE: Technical Knowledge Test II (TKT II) – AT&T Pre-Employment Assessment
TEST STRUCTURE: 100 questions, 1 hour 40 minutes (100 minutes)
TEST SECTIONS: Basic Electricity, Basic Computer Knowledge, Digital Communication and
Transmission, Read and Interpret Technical Information, Basic Math
PASSING SCORE: Not publicly disclosed; based on normative comparison
---
IMPORTANT EXAM INFORMATION
| Item | Details |
|----------|-------------|
| Test Name | Technical Knowledge Test II (TKT II) |
| Number of Questions | 100 multiple-choice (actual exam) |
| Time Limit | 1 hour 40 minutes (100 minutes) |
| Format | Computer-based, multiple-choice |
,| Sections | Basic Electricity, Basic Computer Knowledge, Digital Communication and
Transmission, Read and Interpret Technical Information, Basic Math |
| Preparation | CWA/NETT Academy offers practice test; UMass Global offers TKT II preparatory
course |
---
SECTION 1: BASIC ELECTRICITY (Questions 1-70)
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QUESTION 1
What is the unit of measurement for electrical current?
A) Volt
B) Ohm
C) Ampere
D) Watt
ANSWER: C) Ampere
RATIONALE: The ampere (amp) is the unit for measuring electrical current, which is the rate of
electron flow through a conductor. Voltage is measured in volts, resistance in ohms, and power
in watts .
---
,QUESTION 2
Convert 33 milliamps to amps.
A) 0.33 A
B) 3.3 A
C) 0.033 A
D) 330 A
ANSWER: C) 0.033 A
RATIONALE: To convert milliamps to amps, divide by 1,000. 33 mA ÷ 1,000 = 0.033 A .
---
QUESTION 3
Convert 6500 ohms to kilohms.
A) 0.65 kΩ
B) 6.5 kΩ
C) 65 kΩ
D) 650 kΩ
ANSWER: B) 6.5 kΩ
RATIONALE: To convert ohms to kilohms, divide by 1,000. 6,500 Ω ÷ 1,000 = 6.5 kΩ .
, ---
QUESTION 4
What is the formula for Ohm's Law?
A) V = I × R
B) I = V × R
C) R = V × I
D) P = V × I
ANSWER: A) V = I × R
RATIONALE: Ohm's Law states that voltage (V) equals current (I) multiplied by resistance (R). The
other common forms are I = V/R and R = V/I .
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QUESTION 5
If a doorbell has a resistance of 70 ohms and requires 2 amps of current, what voltage is
needed?
A) 35 V
B) 70 V
C) 140 V
D) 210 V
ANSWER: C) 140 V
Complete 200-Question Practice Exam with Correct Answers &
Detailed Rationales 2026 Edition – Based on AT&T TKT II Test
Specifications
---
EXAM TYPE: Technical Knowledge Test II (TKT II) – AT&T Pre-Employment Assessment
TEST STRUCTURE: 100 questions, 1 hour 40 minutes (100 minutes)
TEST SECTIONS: Basic Electricity, Basic Computer Knowledge, Digital Communication and
Transmission, Read and Interpret Technical Information, Basic Math
PASSING SCORE: Not publicly disclosed; based on normative comparison
---
IMPORTANT EXAM INFORMATION
| Item | Details |
|----------|-------------|
| Test Name | Technical Knowledge Test II (TKT II) |
| Number of Questions | 100 multiple-choice (actual exam) |
| Time Limit | 1 hour 40 minutes (100 minutes) |
| Format | Computer-based, multiple-choice |
,| Sections | Basic Electricity, Basic Computer Knowledge, Digital Communication and
Transmission, Read and Interpret Technical Information, Basic Math |
| Preparation | CWA/NETT Academy offers practice test; UMass Global offers TKT II preparatory
course |
---
SECTION 1: BASIC ELECTRICITY (Questions 1-70)
---
QUESTION 1
What is the unit of measurement for electrical current?
A) Volt
B) Ohm
C) Ampere
D) Watt
ANSWER: C) Ampere
RATIONALE: The ampere (amp) is the unit for measuring electrical current, which is the rate of
electron flow through a conductor. Voltage is measured in volts, resistance in ohms, and power
in watts .
---
,QUESTION 2
Convert 33 milliamps to amps.
A) 0.33 A
B) 3.3 A
C) 0.033 A
D) 330 A
ANSWER: C) 0.033 A
RATIONALE: To convert milliamps to amps, divide by 1,000. 33 mA ÷ 1,000 = 0.033 A .
---
QUESTION 3
Convert 6500 ohms to kilohms.
A) 0.65 kΩ
B) 6.5 kΩ
C) 65 kΩ
D) 650 kΩ
ANSWER: B) 6.5 kΩ
RATIONALE: To convert ohms to kilohms, divide by 1,000. 6,500 Ω ÷ 1,000 = 6.5 kΩ .
, ---
QUESTION 4
What is the formula for Ohm's Law?
A) V = I × R
B) I = V × R
C) R = V × I
D) P = V × I
ANSWER: A) V = I × R
RATIONALE: Ohm's Law states that voltage (V) equals current (I) multiplied by resistance (R). The
other common forms are I = V/R and R = V/I .
---
QUESTION 5
If a doorbell has a resistance of 70 ohms and requires 2 amps of current, what voltage is
needed?
A) 35 V
B) 70 V
C) 140 V
D) 210 V
ANSWER: C) 140 V
