3 IPv4 address structure
Mr Weyland Show
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Activity: Decimal and binary numbersYou need to be comfortable with converting between decimal and binary numbers. Try using the excel spreadsheet to convert the following decimal numbers into binary.
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Example: AND functionTry performing the AND function on the address and mask shown below:
4 Assigning IPv4 addresses
5 Using DHCP at home
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7 Data networks and packet switching
How a PC uses packets to retrieve a webpage
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8 ActivitiesActivity: Tablets of stone – network communication protocolsComplete the classroom activity provided in the activity book, Tablets of Stone, which simulates a network distributing messages. It explores how information is added to messages to ensure they are sent to the correct recipient, and looks at how this makes up a protocol. Activity: Setting up the home network, IP and packet switching (Packet Tracer)For most of us, internet connectivity starts in the home or school. This Packet Tracer lab is in several parts and explores IP addressing and packet switching in turn. You will also need 9 Additional resourcesFor more information on the subjects covered in this course, download the Digital Schoolhouse’s publication on Communications and Networks Unplugged. You can register for free with the Digital Schoolhouse to access the resources needed for the activities it includes. The following activities are particularly relevant to this course:
10 End of course quizNow it’s time to test what you’ve learned in a quiz. 11 AcknowledgementsGrateful acknowledgement is made to the following sources: Figure 1: Cisco Figure 2: Birmingham City University (BCU) Figure 3: Birmingham City University (BCU) Figure 4: Cisco Figure 5: Birmingham City University (BCU) Figure 6: Cisco Figure 7: Birmingham City University (BCU) Figure 10: Birmingham City University (BCU) Figure 11: Birmingham City University (BCU) Figure 12: Birmingham City University (BCU) Figure 13: Birmingham City University (BCU) Figure 14: Birmingham City University (BCU) Figure 15: Birmingham City University (BCU) Figure 16: Birmingham City University (BCU) Figure 17: Birmingham City University (BCU) Every effort has been made to contact copyright holders. If any have been inadvertently overlooked the publishers will be pleased to make the necessary arrangements at the first opportunity. What is the benefit of networking the devices together?Advantages of computer networking
File sharing - you can easily share data between different users, or access it remotely if you keep it on other connected devices. Resource sharing - using network-connected peripheral devices like printers, scanners and copiers, or sharing software between multiple users, saves money.
Which one of these can connect directly to the Internet?Which one of these can connect directly to the Internet? servers; Computers (called servers) connect directly to the Internet.
Which of the following must be assigned to every device which is connected to the Internet?IP address: An IP address is a unique number assigned to every device connected to a network that uses the Internet Protocol for communication.
Which of these is a requirement for a computer to access the Internet?There are three ingredients needed to access the Internet from a laptop or desktop computer: (1) an ISP, (2) a modem and (3) a Web browser.
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