Google IT Support Networking Fundamentals Quiz

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| By Thames
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Quizzes Created: 8865 | Total Attempts: 106,055
| Questions: 20 | Updated: Aug 15, 2026
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1. What does MAC address stand for?

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About This Quiz
Google IT Support Networking Fundamentals Quiz - Quiz

This quiz assesses core networking concepts essential for IT support professionals. It covers IP addressing, DNS, TCP\/IP protocols, network troubleshooting, and infrastructure fundamentals. Mastering these concepts prepares you to support users, diagnose connectivity issues, and manage network resources effectively in real-world IT environments.

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2. Which network device operates at Layer 3 of the OSI model?

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3. What is the purpose of a proxy server?

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4. Which layer of the OSI model handles encryption and decryption?

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5. What does NAT stand for and what is its primary purpose?

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6. Which protocol is responsible for resolving IP addresses to MAC addresses?

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7. What is CIDR notation used for?

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8. Which tool displays all active network connections and listening ports?

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9. What is the main difference between UDP and TCP?

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10. Which of the following is a valid IPv6 address format?

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11. What does TCP/IP stand for?

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12. Which command is used to test connectivity between two hosts?

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13. What is the purpose of a default gateway in a network?

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14. Which port number is typically used for HTTPS traffic?

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15. What does DHCP stand for and what is its primary function?

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16. Which protocol is used for secure remote access to network devices?

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17. What is the default subnet mask for a Class C private IP address?

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18. Which IP address range is reserved for private networks?

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19. What is the primary function of DNS?

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20. Which OSI model layer is responsible for routing and IP addressing?

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What does MAC address stand for?
Which network device operates at Layer 3 of the OSI model?
What is the purpose of a proxy server?
Which layer of the OSI model handles encryption and decryption?
What does NAT stand for and what is its primary purpose?
Which protocol is responsible for resolving IP addresses to MAC...
What is CIDR notation used for?
Which tool displays all active network connections and listening...
What is the main difference between UDP and TCP?
Which of the following is a valid IPv6 address format?
What does TCP/IP stand for?
Which command is used to test connectivity between two hosts?
What is the purpose of a default gateway in a network?
Which port number is typically used for HTTPS traffic?
What does DHCP stand for and what is its primary function?
Which protocol is used for secure remote access to network devices?
What is the default subnet mask for a Class C private IP address?
Which IP address range is reserved for private networks?
What is the primary function of DNS?
Which OSI model layer is responsible for routing and IP addressing?
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