This 220-1201 practice question tests your understanding of networking tools. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A customer complains that their Wi-Fi signal is weak in a specific conference room. You need to measure the signal strength and identify potential interference sources. Which tool is best suited for this task?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Why wrong: A spectrum analyzer is more advanced and typically used for deep RF analysis, but a Wi-Fi analyzer is more practical for common signal strength and interference checks.
B
Wi-Fi analyzer
A Wi-Fi analyzer provides signal strength readings, channel overlap information, and can help identify sources of interference like other access points or devices.
C
Cable tester
Why wrong: A cable tester is for wired Ethernet connections and cannot measure wireless signal strength.
D
Multimeter
Why wrong: A multimeter measures electrical properties and is not used for wireless signal analysis.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Wi-Fi analyzer
This question tests knowledge of wireless site survey tools. A Wi-Fi analyzer can measure signal strength, detect interference, and identify channel usage, making it ideal for diagnosing weak Wi-Fi in a specific area.
Key principle: OSPF neighbour adjacency depends on matching area, hello/dead timers, network type, and authentication — IP reachability alone is not enough.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Spectrum analyzer
Why it's wrong here
A spectrum analyzer is more advanced and typically used for deep RF analysis, but a Wi-Fi analyzer is more practical for common signal strength and interference checks.
✓
Wi-Fi analyzer
Why this is correct
A Wi-Fi analyzer provides signal strength readings, channel overlap information, and can help identify sources of interference like other access points or devices.
Clue confirmation
The clue word "best" in the question point toward this answer.
A cable tester is for wired Ethernet connections and cannot measure wireless signal strength.
✗
Multimeter
Why it's wrong here
A multimeter measures electrical properties and is not used for wireless signal analysis.
Common exam traps
Common exam trap: OSPF can fail even when IP connectivity looks correct
OSPF neighbour formation depends on matching areas, timers, network type, authentication and passive-interface behaviour. Do not choose an answer only because the devices can ping.
Detailed technical explanation
How to think about this question
OSPF questions usually test the details that control adjacency and route selection. Read the neighbour state, area, router ID and interface configuration before deciding what is wrong.
KKey Concepts to Remember
OSPF neighbours must agree on key parameters.
Router ID selection can affect neighbour relationships and LSDB output.
OSPF cost influences the preferred path.
A route can appear in OSPF information but not become the installed route.
TExam Day Tips
→Check area mismatch first when OSPF adjacency fails.
→Review passive interfaces when a network is advertised but no neighbour forms.
→Use show ip ospf neighbor and show ip route clues carefully.
Key takeaway
OSPF neighbour adjacency depends on matching area, hello/dead timers, network type, and authentication — IP reachability alone is not enough.
Real-world example
How this comes up in practice
A practitioner preparing for the 220-1201 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. OSPF neighbour adjacency depends on matching area, hello/dead timers, network type, and authentication — IP reachability alone is not enough. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this 220-1201 question in full detail.
Review OSPF neighbour requirements — matching area type, hello and dead timers, network type, stub flags, and authentication. Study show ip ospf neighbor states (INIT, 2-WAY, FULL). Then practise related 220-1201 OSPF questions on adjacency and route selection.
Networking Tools — This question tests Networking Tools — OSPF neighbours must agree on key parameters..
What is the correct answer to this question?
The correct answer is: Wi-Fi analyzer — This question tests knowledge of wireless site survey tools. A Wi-Fi analyzer can measure signal strength, detect interference, and identify channel usage, making it ideal for diagnosing weak Wi-Fi in a specific area.
What should I do if I get this 220-1201 question wrong?
Review OSPF neighbour requirements — matching area type, hello and dead timers, network type, stub flags, and authentication. Study show ip ospf neighbor states (INIT, 2-WAY, FULL). Then practise related 220-1201 OSPF questions on adjacency and route selection.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
OSPF neighbours must agree on key parameters.
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