3 IPv4 address structure
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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. Which IPv4 addressing scheme would you use to send a message to select group systems on the network?The IPv4 multicast addresses 224.0. 0.0 to 224.0. 0.255 are reserved link local addresses. These addresses are to be used for multicast groups on a local network.
What is IPv4 address scheme?The IPv4 address is a 32-bit number that uniquely identifies a network interface on a system, as explained in How IP Addresses Apply to Network Interfaces. An IPv4 address is written in decimal digits, divided into four 8-bit fields that are separated by periods. Each 8-bit field represents a byte of the IPv4 address.
How many octets are used to define the network portion of the IP address in a Class A network?A Class A address uses only the first octet to represent the network portion, a Class B address uses two octets, and a Class C address uses three octets.
What are the two IP addressing scheme?The Internet addressing scheme consists of Internet Protocol (IP) addresses and two special cases of IP addresses: broadcast addresses and loopback addresses.
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