1) How many layers are there in the TCP/IP model? a) 3 b) 4 c) 5 d) 7 2) Which protocol is commonly used for web browsing? a) FTP b) SMTP c) HTTP d) UDP 3) Which transport protocol provides reliable, ordered data delivery? a) TCP b) UDP c) IP d) HTTP 4) What is the main function of the Networking Layer? a) Error detection and correction b) Logical addressing and routing c) Framing and addressing d) User authentication 5) What type of addresses are used at the Data Link Layer to identify devices on the same network? a) IP addresses b) MAC addresses c) URL addresses d) Port addresses 6) Which of the following is NOT a type of physical media commonly used in networking? a) Copper b) Fiber optics c) Radio waves d) JavaScript 7) Which transport protocol does not provide reliable data delivery? a) TCP b) HTTP c) UDP d) IP 8) What is the primary difference between IPv4 and IPv6? a) IPv4 has 128-bit addresses, while IPv6 has 32-bit addresses. b) IPv4 uses hexadecimal notation, while IPv6 uses decimal notation. c) IPv4 addresses are longer and more complex than IPv6 addresses. d) IPv6 has longer addresses to accommodate more devices. 9) Which layer of the TCP/IP model is responsible for making routing decisions? a) Application Layer b) Transport Layer c) Networking Layer d) Data Link Layer 10) The Networking Layer is often considered the core of the internet. Why? a) Because it handles all application-level data. b) Because it ensures physical connectivity. c) Because it enables global communication and routing. d) Because it provides user authentication.

Networking 101

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