1. Question 1 — What evidence confirms fraudulent activity beyond denial?

• ❌ Authorization logs

• ❌ Access control

• ✅ Non-repudiation

• ❌ Authentication records

Explanation:
Non-repudiation ensures actions cannot be denied and provides irrefutable proof.

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2. Question 2 — Why use a VPN?

• ❌ Share internet

• ❌ Translate addresses

• ✅ Encrypt data on a public network

• ❌ Allocate IP addresses

Explanation:
VPNs protect data by encrypting it over untrusted networks.

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3. Question 3 — Methods requiring more than one authentication factor

Select TWO:

• ❌ Biometrics

• ❌ Fingerprint reader

• ✅ 2FA

• ❌ Access badge

• ✅ Multifactor authentication (MFA)

Explanation:
2FA & MFA explicitly require more than one authentication method.

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4. Question 4 — Bank email asking to change password via link

• ✅ Phishing

• ❌ Session hijacking

• ❌ Identity theft

• ❌ Impersonation

Explanation:
A fake email + link designed to steal credentials is phishing.

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5. Question 5 — Executive using phone in public; data breach

• ❌ Disabling Bluetooth

• ❌ Multifactor authentication

• ❌ Disabling NFC

• ❌ A firewall

• Correct Answer: Disabling Bluetooth?
  No—the most accurate is:

• ❌ Firewall

• ❌ MFA

• ❌ NFC

• ✅ Disabling Bluetooth

Explanation:
The breach likely occurred via wireless eavesdropping. Public-area breaches commonly come from Bluetooth hijacking (Bluejacking/Bluesnarfing).

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6. Question 6 — Best use case for asymmetric encryption

• ✅ Protecting data in transit against eavesdropping and tampering

• ❌ Single-key efficiency

• ❌ WWAN card

• ❌ Protecting data at rest

Explanation:
Asymmetric encryption is ideal for secure key exchange & encrypted communication.

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7. Question 7 — Reduce spam

• ❌ Change password

• ✅ Only subscribe to legitimate email lists

• ❌ Don’t use throwaway accounts

• ❌ Use folders to organize

Explanation:
Limiting subscriptions reduces spam sources.

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8. Question 8 — Securing isolated lab machines

• ❌ Install a VPN

• ✅ Use drive encryption

• ❌ File-level only

• ❌ Network firewall

Explanation:
The machines aren’t network-connected; encryption protects against physical theft.

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9. Question 9 — Best place to get new drivers

• ❌ Torrent

• ❌ Google Play

• ❌ Apple App Store

• ✅ Original equipment manufacturer (OEM)

Explanation:
OEM sites provide safe, compatible drivers.

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10. Question 10 — Are common passwords ever safe?

• ✅ Common passwords are never safe

• ❌ Easy to remember

• ❌ Length + number

• ❌ Different language

Explanation:
Common passwords are predictable and easily cracked regardless of length.

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🧾 Summary Table

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