Subnetting and VLSM Quiz - Class C
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Questions and Answers

What is the maximum number of networks that can be created from a Class C network with a /27 subnet?

  • 32 networks
  • 8 networks (correct)
  • 4 networks
  • 16 networks

    • What is the subnet mask used for a network that requires at least 60 hosts?

  • 255.255.255.224
  • 255.255.255.192 (correct)
  • 255.255.255.128
  • 255.255.255.0

    • What is the broadcast address for the network assigned to the Operations office?

  • 199.10.10.222 (correct)
  • 199.10.10.191
  • 199.10.10.255
  • 199.10.10.210

    • If Marketing needs 8 hosts, which subnetting option would be suitable for them?

    <p>Use a /28 subnet mask</p> Signup and view all the answers

    Which of the following represents the correct IP range assigned to the Accounting office?

    <p>199.10.10.17 - 199.10.10.26</p> Signup and view all the answers

    What is the subnet mask for a Class C network with a /25 prefix?

    <p>255.255.255.128</p> Signup and view all the answers

    How many hosts can be supported in a Class C /27 subnet?

    <p>32</p> Signup and view all the answers

    What is the number of networks that can be created from a Class C network with a /25 subnet?

    <p>2</p> Signup and view all the answers

    What is the Network ID (NID) for the first subnet of 200.100.100.0 /27?

    <p>200.100.100.0</p> Signup and view all the answers

    What would be the broadcast address (BID) for the second subnet of a Class C network with a prefix of /25?

    <p>192.168.1.127</p> Signup and view all the answers

    In a Class C subnet, what is the formula used to calculate the number of hosts per network based on remaining zero bits?

    <p>2^n - 2</p> Signup and view all the answers

    For a network identified as 200.100.100.0 /26, how many hosts can be accommodated?

    <p>64</p> Signup and view all the answers

    What is the IP range for the first subnet in a Class C /25 network?

    <p>192.168.1.0 - 192.168.1.127</p> Signup and view all the answers

    What is the subnet mask for the given network 192.168.1.0 /27?

    <p>255.255.255.224</p> Signup and view all the answers

    How many hosts per network can be created with a subnet mask of 255.255.255.224?

    <p>30 hosts</p> Signup and view all the answers

    If the total Class C network is 256 and the calculated hosts per network is 64, how many networks can be created?

    <p>4 networks</p> Signup and view all the answers

    Which of the following IP address ranges corresponds to the Accounting network according to the provided data?

    <p>199.10.10.1 - 199.10.10.62</p> Signup and view all the answers

    What is the subnet mask for a Class B network given as 130.100.0.0 /17?

    <p>255.255.128.0</p> Signup and view all the answers

    For a /17 subnet mask, how many hosts can be supported per network?

    <p>32768 hosts</p> Signup and view all the answers

    In the provided network configuration, which network is assigned to Operations?

    <p>199.10.10.128 - 199.10.10.190</p> Signup and view all the answers

    How many bits are used for hosts in a /27 subnet?

    <p>5 bits</p> Signup and view all the answers

    What is the subnet mask for the given configuration of 128 64 32 16 8 4 2 1?

    <p>255.255.255.224</p> Signup and view all the answers

    How many hosts can be accommodated in each subnet for the calculation where /19 is used?

    <p>8192 hosts</p> Signup and view all the answers

    What is the number of networks that can be created with a subnet mask of /17 in a Class B subnet?

    <p>2</p> Signup and view all the answers

    What is the correct broadcast address for the second subnet starting with 192.168.1.32?

    <p>192.168.1.63</p> Signup and view all the answers

    Which of the following represents the network identifier (NID) for the fourth subnet in a Class C subnet with the mentioned details?

    <p>192.168.1.96</p> Signup and view all the answers

    What is the range of IP addresses for the first subnet of a Class B network indicated by 130.100.0.0?

    <p>130.100.0.1 - 130.100.127.254</p> Signup and view all the answers

    How many total Class B hosts are available if subnetted with a /17 mask?

    <p>65536</p> Signup and view all the answers

    What is the calculated subnet mask for a Class B network with a /19 designation?

    <p>255.255.224.0</p> Signup and view all the answers

    What is the subnet mask for the given Class A network 10.0.0.0 /10?

    <p>255.192.0.0</p> Signup and view all the answers

    How many hosts can each subnet support in a Class A network with a subnet mask of /10?

    <p>4,194,304</p> Signup and view all the answers

    What is the total number of networks that can be created from a Class B network with 16,777,216 total hosts divided by 4,194,304 hosts per network?

    <p>4</p> Signup and view all the answers

    In the given example, what is the NID for the first subnet if the interval is 64?

    <p>10.0.0.0</p> Signup and view all the answers

    What does VLSM stand for in networking terms?

    <p>Variable Length Subnet Mask</p> Signup and view all the answers

    When dividing a network, what is the primary advantage of using VLSM compared to traditional subnetting?

    <p>Efficient use of IP addresses</p> Signup and view all the answers

    Which office requires the largest subnet size in the given example?

    <p>Operations</p> Signup and view all the answers

    How many networks can be created with a /19 subnet?

    <p>8</p> Signup and view all the answers

    If the total number of available Class C hosts is 256, how many subnets can be created to accommodate the following offices: Accounting (10 hosts), Marketing (8 hosts), Operations (60 hosts)?

    <p>3</p> Signup and view all the answers

    In a /17 subnet, what is the calculated number of hosts per network?

    <p>16,384</p> Signup and view all the answers

    What is the NID for the first subnet in the /17 configuration provided?

    <p>190.0.0.0</p> Signup and view all the answers

    What subnet mask corresponds to the highest number of hosts required by Queensland, which needs 16.3K hosts?

    <p>255.255.192.0</p> Signup and view all the answers

    What is the Bid for the fourth subnet in the /17 configuration?

    <p>55</p> Signup and view all the answers

    Which IP range is assigned to the second subnet in the /17 configuration?

    <p>190.0.32.1 to 190.0.63.254</p> Signup and view all the answers

    How is the interval per network calculated for Perth in the provided configuration?

    <p>256 / 4</p> Signup and view all the answers

    What is the correct IP range for the first subnet assigned to Perth?

    <p>130.255.0.0 to 130.255.63.254</p> Signup and view all the answers

    Study Notes

    Subnetting and VLSM

    • Subnetting is a process used to divide a large network into smaller networks with a fixed number of hosts per network. It utilizes Layer 3 IP addressing.
    • Subnetting can be applied to Class A, B, and C networks.
    • VLSM (variable length subnet mask) allows for subnets of different sizes within the same network.

    Class C Subnet

    • Example 1: Network 192.168.1.0/25

    • Requirements:

      • Calculate subnet mask. The subnet mask for /25 is 255.255.255.128
      • Calculate hosts per network. The calculation for /25 is 2⁷= 128 hosts per network.
      • Calculate networks. Calculation for /25 is 2¹ =2 networks.
      • Determine NID, IP range, and BID. Information for these aspects is provided in the image.

    • Example 2: Network 192.168.1.0/26

    • Requirements:

    • Calculate subnet mask . The subnet mask for /26 is 255.255.255.192.

    • Calculate hosts per network. The calculation for /26 is 2⁶ = 64 hosts per network.

    • Calculate networks. Calculation for /26 is 2² = 4 networks..

    • Determine NID, IP range, and BID. Information about these is in the image.

    • Example 3: Network 199.10.10.0/27

    • Requirements:

    • Calculate subnet mask: 255.255.255.224

    • Calculate number of hosts per network: 32

    • Calculate number of networks that can be created: 8

    • Determine the NID,IP range, and BID per respective network in this image.

    Class B Subnet

    • Example 1: Network 130.100.0.0/17

    • Requirements:

    • Calculate subnet mask: 255.255.128.0

    • Calculate number of hosts per network: 32768

    • Calculate number of networks: 2

    • Determine the NID, IP range, and BID for each of the networks

    • Example 2: Network 190.0.0.0 /19

    • Requirements:

    • Calculate subnet mask: 255.255.224.0

    • Calculate number of hosts per network: 8192

    • Calculate the number of networks: 8.

    • Determine the NID, IP range, and BID for each respective network.

    Class A Subnet

    • Example 1: Network 10.0.0.0/10
    • Requirements:
    • Calculate subnet mask. The subnet mask for /10 is 255.192.0.0
    • Calculate the number of hosts - 4194304 hosts per network.
    • Calculate the number of networks: 4
    • Determine the NID, IP range, and BID for each respective network.

    VLSM (Variable Length Subnet Mask)

    • VLSM is a method of dividing networks into subnets of different sizes as needed. This is in contrast to subnetting techniques that assign subnets fixed sizes.

    Subnetting vs. VLSM

    • Subnetting divides a network into smaller subnets with fixed host numbers.
    • VLSM (Variable Length Subnet Masking) divides networks into smaller subnets with variable host numbers. Subnets can have differences in size as needed.

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    Subnetting and VLSM PDF

    Description

    Test your knowledge on subnetting and VLSM with this quiz focused on Class C networks. Engage with questions that cover subnet masks, hosts per network, and network identification. Perfect for understanding IP addressing concepts in computer networks.

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