Networking Fundamentals

Test basic Linux networking commands and configuration concepts.

1. At which OSI layer does the HTTP protocol operate?

Transport Application Network Data Link

2. Which of the following are TCP-based protocols?

HTTP UDP FTP DNS

3. TCP is a connectionless protocol.

True False

4. What does 'IP' stand for in networking?

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

255.255.255.0 255.255.0.0 255.0.0.0 255.255.255.255

6. Which of the following are private IP address ranges?

10.0.0.0/8 172.16.0.0/12 192.168.0.0/16 203.0.113.0/24

7. DNS translates domain names to IP addresses.

True False

8. What is the standard port number for HTTPS?

9. Which protocol is used for email retrieval (incoming)?

SMTP POP3 FTP Telnet

10. Which OSI layers are combined in the TCP/IP model's Network Interface layer?

Data Link Physical Network Transport

11. A router operates at the Data Link layer of the OSI model.

True False

12. What is the maximum number of hosts in a /24 subnet?

13. Which protocol is used for dynamic IP address assignment?

DNS DHCP ARP SNMP

14. Which of the following are examples of WAN technologies?

Ethernet DSL Fiber Optic Wi-Fi

15. UDP provides reliable, ordered delivery of data.

True False

16. What does 'MAC' stand for in MAC address?

17. What is the purpose of ARP?

Translate domain names to IP Resolve IP addresses to MAC addresses Assign IP addresses dynamically Encrypt data

18. Which of the following are transport layer protocols?

TCP IP UDP HTTP

19. A switch operates at the Network layer.

True False

20. What is the default gateway used for in a network?

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