The answer is to use tamper-evident seals on the terminal casings. These seals act as a low-cost, highly visible deterrent against physical tampering; if someone opens the casing to install a skimmer or access internal components, the seal will break or show clear evidence of removal, alerting staff to a breach. On the CompTIA A+ Core 2 220-1202 exam, this question tests your understanding of physical security controls for unattended devices, often contrasting tamper-evident seals with more expensive options like lockable cabinets or alarm systems. A common trap is choosing a biometric lock or cable lock, but those don’t address the specific risk of casing intrusion on open-floor POS terminals. Remember the memory tip: “Seal the deal on the casing” — if you can’t lock the whole device, lock the evidence of entry.
220-1102 Physical Security Controls Practice Question
This 220-1202 practice question tests your understanding of physical security controls. 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 retail store wants to protect its point-of-sale (POS) terminals from unauthorized physical access during off-hours. The terminals are in an open area with no lockable cabinets. Which control should be prioritized?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use tamper-evident seals on the terminal casings.
Tamper-evident seals provide a visible indicator if a device has been opened, deterring unauthorized physical access to internal components. This question tests understanding of physical security for unattended devices.
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.
✗
Install a privacy screen on each POS terminal.
Why it's wrong here
Privacy screens prevent visual eavesdropping but do not prevent physical tampering with the device.
✓
Use tamper-evident seals on the terminal casings.
Why this is correct
Seals show if the terminal has been opened, alerting staff to potential tampering.
This controls logical access but does not prevent physical access to the device's ports or internals.
✗
Enable a screensaver with a password.
Why it's wrong here
A screensaver password protects the session but not the hardware from physical tampering.
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 small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this 220-1202 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 220-1202 OSPF questions on adjacency and route selection.
Physical Security Controls — This question tests Physical Security Controls — OSPF neighbours must agree on key parameters..
What is the correct answer to this question?
The correct answer is: Use tamper-evident seals on the terminal casings. — Tamper-evident seals provide a visible indicator if a device has been opened, deterring unauthorized physical access to internal components. This question tests understanding of physical security for unattended devices.
What should I do if I get this 220-1202 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 220-1202 OSPF questions on adjacency and route selection.
What is the key concept behind this question?
OSPF neighbours must agree on key parameters.
About these practice questions
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These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A technician is tasked with securing a shared office printer that stores sensitive documents on its hard drive. The printer is in an open area. Which physical security measure should be prioritized to protect the data on the printer?
medium
A.Enable secure print release with a PIN
B.Encrypt the printer's hard drive
✓ C.Place the printer in a locked room
D.Use a cable lock on the printer
Why C: Printers with hard drives can retain copies of printed documents. Physically securing the printer in a locked room or cabinet prevents unauthorized persons from removing the drive or accessing the device directly.
Last reviewed: Jun 19, 2026
Question Discussion
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