CAS-001 · Question #126
CAS-001 Question #126: Real Exam Question with Answer & Explanation
The correct answer is C: Network security may need to be increased by reducing the number of available physical network jacks.. The key observation is that most attendees carry smartphones rather than laptops. Smartphones do not use physical (wired) network jacks - they connect via Wi-Fi. This means the physical network infrastructure (wall jacks, switch ports) that was provisioned for a laptop-heavy audi
Question
Options
- AWireless network security may need to be increased to decrease access of mobile devices.
- BPhysical security may need to be increased to deter or prevent theft of mobile devices.
- CNetwork security may need to be increased by reducing the number of available physical network jacks.
- DWireless network security may need to be decreased to allow for increased access of mobile devices.
Explanation
The key observation is that most attendees carry smartphones rather than laptops. Smartphones do not use physical (wired) network jacks - they connect via Wi-Fi. This means the physical network infrastructure (wall jacks, switch ports) that was provisioned for a laptop-heavy audience is now largely unused. Unused physical network ports are an attack surface: a malicious actor could plug in a rogue device, a network tap, or a laptop to gain wired network access undetected. Reducing the number of active physical jacks minimizes this attack surface. Option A is incorrect because increasing wireless restrictions would harm the majority of legitimate users. Option B is about physical theft, which is a generic concern not specific to the smartphone-majority dynamic observed. Option D is backward - decreasing wireless security would increase risk. Option C correctly targets the now-relevant attack vector introduced by unused physical ports.
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