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Questions and Answers
VLSM .
VLSM .
True (A)
192.168.10.0/25 126.
192.168.10.0/25 126.
False (B)
255.255.255.192/26 62.
255.255.255.192/26 62.
False (B)
192.168.10.193/27 255.255.255.224/27.
192.168.10.193/27 255.255.255.224/27.
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30 255.255.255.248/29.
30 255.255.255.248/29.
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7 ( hosts) 255.255.255.248/29.
7 ( hosts) 255.255.255.248/29.
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255.255.255.128/25 ( broadcast) 199.100.20.127.
255.255.255.128/25 ( broadcast) 199.100.20.127.
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255.255.255.248/29 6 ( hosts).
255.255.255.248/29 6 ( hosts).
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255.255.255.246/28 (28 - 24 = 4 ).
255.255.255.246/28 (28 - 24 = 4 ).
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(24 - 30 = 4 ).
(24 - 30 = 4 ).
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Flashcards
VLSM
VLSM
قناع الشبكة المتغير الطول الذي يسمح بإنشاء شبكات فرعية بأحجام مختلفة لتحسين استخدام العناوين.
Subnetting
Subnetting
تقنية تقسيم الشبكات إلى شبكات فرعية لتسهيل الإدارة وتحسين الأداء.
Subnet Mask
Subnet Mask
عدد البتات التي تحدد جزء الشبكة وجزء المضيف في عنوان IP.
Broadcast Address
Broadcast Address
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Hosts
Hosts
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Class C Network
Class C Network
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Subnetting Calculation
Subnetting Calculation
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CIDR
CIDR
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Subnet IDs
Subnet IDs
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IP Address
IP Address
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Address Space
Address Space
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CIDR Notation
CIDR Notation
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Prefix Length
Prefix Length
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Masking
Masking
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Study Notes
Course Information
- Course Title: GS405: Network I
- Course Number: 1
- Instructor: Salwa Abdul Nabi Ibrahim
- Academic Year: 2023
VLSM (Variable Length Subnet Masking)
- VLSM is a networking method to subnet a network into different sizes, unlike traditional subnetting where subnet masks have to be equal.
- VLSM allows subnet masks to vary for different subnets, optimizing IP address allocation by adjusting the number of hosts per subnet.
- VLSM is better than subnetting because it allocates IP addresses by requirements, reducing wasted addresses.
Network Subnetting Examples
- Examples of network diagrams show various subnets with varying numbers of hosts (e.g., 120, 50, 29, 10 hosts).
- Process begins by converting the number of hosts for each subnet to binary.
- By finding the required bits, then the subnet mask is determined, resulting in optimized subnet masking.
- Relevant examples of subnet masks and IP addresses are provided, such as 192.168.10.0/25, 192.168.10.128, and 192.168.10.192 with associated first and last host addresses and broadcast addresses.
Detailed Subnetting Calculations
- Detailed calculations demonstrate how to determine the subnet mask based on the number of required hosts.
- Examples show the conversion of host numbers to binary, followed by calculations to determine required bits for the subnet, and then resulting subnet masks (such as 255.255.255.128/25).
- The calculations clearly show the steps for determining subnet masks for various networks using VLSM.
- Additional examples include finding the subnet mask for a network with 50 hosts and a network with 29 hosts.
Additional Examples
- Demonstrated another example using a different network.
- Detailed examples are shown for the process of finding the subnet mask for a network with 10 hosts.
- The calculations provide a clear illustration of calculating subnet mask for a network segment and resulting optimal subnet breakdown.
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Description
اختبار يركز على تقنيات تقسيم الشبكات باستخدام القناع المتغير الطول. يناقش كيفية تحسين تخصيص عناوين IP وتوفير أمثلة عملية لتقسيم الشبكات. سيتعلم الطلاب كيفية حساب القناع الفرعي بناءً على احتياجات الشبكة.
