c# barcode generator example Understanding and Configuring IP in C#.NET

Encoder QR in C#.NET Understanding and Configuring IP

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Scanning QR Code In C#.NET
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Understanding and Configuring IP
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Number of Network Hosts 300 35
Encoding Quick Response Code In .NET Framework
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Subnet Mask (w.x.y.z) 255.255.254.0 255.255.255.192
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Lesson Summary
Code 3 Of 9 Creator In Visual C#
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An IPv4 address is a 32-bit number divided into four octets. One part of the IPv4 address represents a network ID, and the other part represents the host ID. The subnet mask is used by an IP host to separate the network ID from the host ID in every IP address. The subnet mask can appear in slash notation, such as /24, or dotteddecimal notation, such as 255.255.255.0. As a network administrator you need to be able to translate between these two forms of the IPv4 subnet mask. The calculation of the network ID by using the subnet mask tells a computer what to do with an IP packet. If the destination network ID of an IP packet is local, the computer broadcasts the packet on the local network. If the destination network ID is remote, the computer sends the packet to the default gateway. The IANA has reserved certain ranges of IP addresses to be used only within private networks. These ranges include 10.0.0.0 to 10.255.255.254, 17.16.0.0 to 17.31.255.254, and 192.168.0.0 to 192.168.255.254. You can obtain blocks of IP addresses from your provider. The block will be defined as a single address with a subnet mask, such as 131.107.1.0/24. As a network administrator, you need to be able to determine how many addresses are contained in address blocks defined in this manner. To meet your own needs for addresses, you also need to specify an appropriately sized address block in these terms. An address block can be subdivided into multiple subnets, each with its own router. To achieve this, you need to lengthen the subnet mask within your organization so that computers see subnet IDs as distinct.
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Lesson Review
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The following questions are intended to reinforce key information presented in this lesson. The questions are also available on the companion CD if you prefer to review them in electronic form.
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EAN 13 Creator In Java
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NOTE
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Answers
QR-Code Scanner In Visual C#
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Answers to these questions and explanations of why each answer choice is correct or incorrect are located in the Answers section at the end of the book.
Lesson 2: Understanding IP Version 4 (IPv4) Addressing
How many computers can you host in an IPv4 network whose address is 172.16.0.0/22 A. 512 B. 1024 C. 510 D. 1022
You work as a network administrator for a research lab in a large company. The research lab includes six computers for which central computing services has allocated the address space 172.16.1.0/29. You now plan to add 10 new computers to the research network. Company policy states that each network is granted address space only according to its needs. What should you do A. Ask to expand the network to a /28 address block. B. Ask to expand the network to a /27 address block. C. Ask to expand the network to a /26 address block. D. You do not need to expand the network because a /29 network is large enough to support your needs.
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Understanding and Configuring IP
Lesson 3: Understanding IP Version 6 (IPv6) Addressing
IPv4 provides 4.3 billion unique possible addresses. This might sound like a large number, but because of the exponential growth of the Internet, the IPv4 address space is expected to become exhausted in the near future. IPv6 was designed primarily to resolve this problem of IPv4 address exhaustion. In place of the 32-bit addresses used by IPv4, IPv6 uses 128-bit addresses. This larger IPv6 address space therefore provides 2128 or 3.4 undecillion (3.4 x 1038) unique addresses. Compared to the number of IPv4 addresses, this number is staggeringly large. If each address were a grain of sand, you could comfortably fit all IPv4 addresses into a small moving truck, but to fit all IPv6 addresses, you would need a container the size of 1.3 million Earths or the entire Sun. IPv6 is enabled by default in both Windows Vista and Windows Server 2008, and it requires virtually no configuration. However, you still need to become familiar with the various types and formats of IPv6 addresses. This lesson introduces you to IPv6 by describing its addresses and the transition technologies used in mixed IPv4/IPv6 networks.
After this lesson, you will be able to: Recognize various types of IPv6 addresses, such as global, link-local, and unique local addresses. Understand IPv6 transition technologies such as ISATAP, 6to4, and Teredo. Estimated lesson time: 50 minutes
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