New Mexico ES-7J Journeyman Telephone Communication and Interconnect Systems
Exam QUESTIONS AND CORRECT ANSWERS WITH RATIONALES
Exam coverage
• telephone cabling
• interconnect systems
• termination
• cross-connects
• signal integrity
• grounding
• testing
• equipment rooms
• documentation
• safety
,1. Which option demonstrates the most accurate understanding of how Telephone
systems use structured cabling, terminations, cross-connects, and active equipment to
carry signals.. Which answer best applies to the underlying ES-7J telephone
communication concept in this situation?
A. Cross-connects organize connections and allow controlled changes between incoming and
distribution cabling..
B. Telephone systems use structured cabling, terminations, cross-connects, and active
equipment to carry signals..
C. Signal integrity can be affected by poor terminations, interference, damage, or excessive
cable length..
D. Interconnect systems depend on correct cable identification and termination..
Correct answer: B
Rationale: The correct choice directly states the governing principle: Telephone systems use
structured cabling, terminations, cross-connects, and active equipment to carry signals.. The
alternatives address related topics but do not directly answer the issue being tested.
2. When diagnosing or planning work, which statement is most accurate about
Interconnect systems depend on correct cable identification and termination.. Which
answer best applies to the underlying ES-7J telephone communication concept in this
situation?
A. Cross-connects organize connections and allow controlled changes between incoming and
distribution cabling..
,B. Signal integrity can be affected by poor terminations, interference, damage, or excessive
cable length..
C. Grounding and bonding support safety and may reduce unwanted electrical effects..
D. Interconnect systems depend on correct cable identification and termination..
Correct answer: D
Rationale: The correct choice directly states the governing principle: Interconnect systems
depend on correct cable identification and termination.. The alternatives address related topics
but do not directly answer the issue being tested.
3. Which statement most accurately explains the principle involved when
Cross-connects organize connections and allow controlled changes between incoming
and distribution cabling.. Which answer best applies to the underlying ES-7J telephone
communication concept in this situation?
A. Testing can identify continuity, shorts, opens, attenuation, and other cabling problems..
B. Grounding and bonding support safety and may reduce unwanted electrical effects..
C. Cross-connects organize connections and allow controlled changes between incoming and
distribution cabling..
D. Signal integrity can be affected by poor terminations, interference, damage, or excessive
cable length..
Correct answer: C
, Rationale: The correct choice directly states the governing principle: Cross-connects organize
connections and allow controlled changes between incoming and distribution cabling.. The
alternatives address related topics but do not directly answer the issue being tested.
4. During a service situation, which option best describes why Signal integrity can be
affected by poor terminations, interference, damage, or excessive cable length.. Which
answer best applies to the underlying ES-7J telephone communication concept in this
situation?
A. Equipment rooms should provide suitable access, organization, environmental conditions,
and protection..
B. Grounding and bonding support safety and may reduce unwanted electrical effects..
C. Signal integrity can be affected by poor terminations, interference, damage, or excessive
cable length..
D. Testing can identify continuity, shorts, opens, attenuation, and other cabling problems..
Correct answer: C
Rationale: The correct choice directly states the governing principle: Signal integrity can be
affected by poor terminations, interference, damage, or excessive cable length.. The
alternatives address related topics but do not directly answer the issue being tested.
5. A technician is evaluating a condition; which response is most appropriate because
Grounding and bonding support safety and may reduce unwanted electrical effects..
Which answer best applies to the underlying ES-7J telephone communication concept
Exam QUESTIONS AND CORRECT ANSWERS WITH RATIONALES
Exam coverage
• telephone cabling
• interconnect systems
• termination
• cross-connects
• signal integrity
• grounding
• testing
• equipment rooms
• documentation
• safety
,1. Which option demonstrates the most accurate understanding of how Telephone
systems use structured cabling, terminations, cross-connects, and active equipment to
carry signals.. Which answer best applies to the underlying ES-7J telephone
communication concept in this situation?
A. Cross-connects organize connections and allow controlled changes between incoming and
distribution cabling..
B. Telephone systems use structured cabling, terminations, cross-connects, and active
equipment to carry signals..
C. Signal integrity can be affected by poor terminations, interference, damage, or excessive
cable length..
D. Interconnect systems depend on correct cable identification and termination..
Correct answer: B
Rationale: The correct choice directly states the governing principle: Telephone systems use
structured cabling, terminations, cross-connects, and active equipment to carry signals.. The
alternatives address related topics but do not directly answer the issue being tested.
2. When diagnosing or planning work, which statement is most accurate about
Interconnect systems depend on correct cable identification and termination.. Which
answer best applies to the underlying ES-7J telephone communication concept in this
situation?
A. Cross-connects organize connections and allow controlled changes between incoming and
distribution cabling..
,B. Signal integrity can be affected by poor terminations, interference, damage, or excessive
cable length..
C. Grounding and bonding support safety and may reduce unwanted electrical effects..
D. Interconnect systems depend on correct cable identification and termination..
Correct answer: D
Rationale: The correct choice directly states the governing principle: Interconnect systems
depend on correct cable identification and termination.. The alternatives address related topics
but do not directly answer the issue being tested.
3. Which statement most accurately explains the principle involved when
Cross-connects organize connections and allow controlled changes between incoming
and distribution cabling.. Which answer best applies to the underlying ES-7J telephone
communication concept in this situation?
A. Testing can identify continuity, shorts, opens, attenuation, and other cabling problems..
B. Grounding and bonding support safety and may reduce unwanted electrical effects..
C. Cross-connects organize connections and allow controlled changes between incoming and
distribution cabling..
D. Signal integrity can be affected by poor terminations, interference, damage, or excessive
cable length..
Correct answer: C
, Rationale: The correct choice directly states the governing principle: Cross-connects organize
connections and allow controlled changes between incoming and distribution cabling.. The
alternatives address related topics but do not directly answer the issue being tested.
4. During a service situation, which option best describes why Signal integrity can be
affected by poor terminations, interference, damage, or excessive cable length.. Which
answer best applies to the underlying ES-7J telephone communication concept in this
situation?
A. Equipment rooms should provide suitable access, organization, environmental conditions,
and protection..
B. Grounding and bonding support safety and may reduce unwanted electrical effects..
C. Signal integrity can be affected by poor terminations, interference, damage, or excessive
cable length..
D. Testing can identify continuity, shorts, opens, attenuation, and other cabling problems..
Correct answer: C
Rationale: The correct choice directly states the governing principle: Signal integrity can be
affected by poor terminations, interference, damage, or excessive cable length.. The
alternatives address related topics but do not directly answer the issue being tested.
5. A technician is evaluating a condition; which response is most appropriate because
Grounding and bonding support safety and may reduce unwanted electrical effects..
Which answer best applies to the underlying ES-7J telephone communication concept
