1. Other client–server models (Select all)

❌ Request-query-subscribe
❌ Peer-to-peer (P2P) (not a client–server model)
❌ Publish-query
✅ Request–response model

Explanation:
Request–response is the classic client–server model. The others listed are not recognized client–server architectures.

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2. Firewall rules are created using usernames and passwords.

❌ True
✅ False

Explanation:
Firewall rules use IPs, ports, and protocols — not usernames/passwords.

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3. Contemporary firewalls evolved from packet-filtering firewalls.

✅ True
❌ False

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4. Attack where the attacker intercepts communication while both parties think communication is normal

❌ Eavesdropping
❌ Backdoors
✅ Man-in-the-middle
❌ IP spoofing

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5. Two network analysis procedures used to identify threats (Select all)

❌ Change control
✅ Continuous monitoring
✅ Penetration testing

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6. What is network sniffing?

❌ Cracking passwords
✅ Listening to communication between network devices
❌ Spreading malware
❌ Unauthorized network access

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7. Highest authorization tiers (Select all)

✅ Administrator access
✅ Superuser access
❌ Conditional access
❌ User access

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8. Types of authorization protocols

✅ RADIUS, LDAP, TACACS+
❌ LDAP, TLS, RADIUS
❌ LDAP, SSL, RADIUS

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9. How many steps in DHCP IP assignment?

✅ 4
❌ 6
❌ 8

Explanation:
The four steps are: Discover → Offer → Request → Acknowledge (DORA).

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10. DHCP relay forwards DHCP requests blocked by routers.

✅ True
❌ False

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🧾 SUMMARY TABLE

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