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Learn: IP and MAC Addressing
OCR GCSE J277 Computer Science specification
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Welcome!Today we'll explore IP and MAC addressing, key concepts in computer networks. These help devices communicate effectively. Let's break it down step by step!
What is an IP Address?An IP address (Internet Protocol address) is a unique identifier assigned to a device on a network. It allows devices to locate and communicate with each other over the Internet or within a local network.IP addresses can be IPv4 (e.g., 192.168.0.1) or IPv6 (longer, e.g., 2001:0db8:85a3::8a2e:0370:7334).
Quick check: What is an IP address used for?
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What is a MAC Address?A MAC address (Media Access Control address) is a unique identifier tied to a device's network interface card (NIC). Unlike IP addresses, MAC addresses are fixed and assigned by the manufacturer.MAC addresses are typically written in hexadecimal (e.g., 00:1A:2B:3C:4D:5E).
A {{blank0}} address uniquely identifies a device on a network, while a {{blank1}} address is tied to the hardware.
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How do IP and MAC Addresses Work Together?On a network, devices use IP addresses to locate each other and MAC addresses to send data to the correct hardware. This ensures communication is reliable and directed to the correct recipient.
Match the items on the left with their correct pairs on the right
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Review Time!Great work! You've learned about IP and MAC addressing, their formats, and how they work together. Let's test your understanding with a few questions.
Which of the following are true about IP and MAC addresses? (Select all that apply)
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Which type of address is used to locate devices on a network?
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Match the items on the left with their correct pairs on the right
Start the lesson to answer this math equation question
Match the items on the left with their correct pairs on the right
Start the lesson to answer this code completion question
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