1. MANs are used across cities — which covers entire countries?

✅ WAN
❌ MAN
❌ PAN

Explanation:
WANs (Wide Area Networks) cover large geographic areas like countries or continents.

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2. Which statement is true?

❌ Data travels in one direction
✅ A mesh network has multiple paths
❌ A mesh network has a single path

Explanation:
Mesh networks offer redundancy through multiple available paths.

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3. The bus topology is less common today because hubs are replaced by switches and routers.

✅ True
❌ False

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4. A WLAN has limited range & security risks.

✅ True
❌ False

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5. IPv4 uses decimal numbers; IPv6 uses ______.

❌ Binary
✅ Hexadecimal
❌ Decimal

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6. What does a subnet mask identify?

✅ Network and host portions of an IP address
❌ An IP address
❌ A router

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7. Differences between IPv4 and IPv6 (Select all that apply):

❌ IPv6 addresses cannot be assigned manually
❌ IPv6 does not support DHCP
✅ IPv6 does not support Broadcast traffic
✅ IPv6 has built-in security

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8. Network class used for small businesses & home networks:

❌ A-class
✅ C-class
❌ B-class

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9. A default gateway identifies a ________ on a network.

❌ Printer
✅ Router
❌ Network
❌ Path

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10. True or False: 255.0.0.0 is a subnet mask for a Class B network.

❌ True
✅ False

Explanation:
255.0.0.0 is the default mask for Class A.
Class B default mask = 255.255.0.0

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🧾 SUMMARY TABLE

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