What is Subnetting in Computer Networks || Lesson 61 || Computer Networks || Learning Monkey ||

Learning Monkey

14 Feb 202205:28

Summary

TLDRIn this 'Learning Monkey' video, Vikram explains subnetting as the process of dividing a large network into smaller ones. He discusses the need for subnetting due to different network technologies, location of departments, and issues like security and maintenance. The video encourages viewers to follow the entire course for better understanding and invites them to engage with the content.

Takeaways

😀 Subnetting is a process of dividing a single large network into multiple smaller networks.
🔍 Subnetting is essential for better understanding of computer network concepts, as suggested by the instructor.
🏛 The video discusses the practical challenges of constructing networks in a university setting, using different departments as an example.
💡 Different classes of IP addressing (Class A, B, C) provide varying capacities for the number of systems that can be configured in a network.
🔌 The need for subnetting arises due to different technological requirements within different departments or labs.
📍 Geographical dispersion of departments within a university is another reason for subnetting, as each department may be located in a different part of the campus.
🛡️ Subnetting can address security issues by creating separate networks for different departments or areas.
🛠️ Maintenance becomes easier when networks are divided into smaller subnets, as it simplifies troubleshooting and management.
🔄 Subnetting allows for the use of different network topologies, such as Ethernet or ring, depending on the specific needs of each department.
📚 The instructor encourages viewers to follow the entire course or playlist for a comprehensive understanding of subnetting.
📢 The video ends with a call to action for viewers to subscribe, like, and share the video for others to benefit from the information.

Q & A

What is the main topic of the video?
-The main topic of the video is to understand what subnetting is in computer networks.
Why is it suggested to follow the entire course or playlist for better understanding?
-It is suggested to follow the entire course or playlist to have a comprehensive understanding of the concepts, as each video builds upon the previous ones.
What is subnetting in the context of computer networks?
-Subnetting is the process of dividing a single large network into multiple smaller networks.
What are the different classes of addressing in networking?
-The different classes of addressing are Class A, Class B, and Class C, each providing its own way of connecting systems with varying capacities for the number of systems they can configure.
How many systems can a Class A address configure?
-A Class A address can configure up to 16 million systems.
How many systems can a Class B address configure?
-A Class B address can configure up to 65,000 systems.
What is one of the reasons for needing subnetting according to the script?
-One of the reasons for needing subnetting is to accommodate different technologies required by various departments or sections within an organization.
Can you provide an example of how different technologies might require subnetting?
-An example given is a university with different departments wanting to establish their labs using different network topologies such as Ethernet, ring, and bus topologies, which necessitates subnetting.
What are some challenges faced when constructing networks that subnetting can help address?
-Challenges include accommodating different technologies, managing the location of departments scattered throughout a campus, addressing security issues, and facilitating maintenance.
What is the purpose of dividing a network into subnets as discussed in the video?
-The purpose of dividing a network into subnets is to create smaller, more manageable networks that can cater to specific requirements such as different technologies, security, and location.
How can viewers benefit from the video and stay updated with the channel?
-Viewers can benefit from the video by gaining clarity on the concept of subnetting. They can stay updated by subscribing to the channel, pressing the bell icon for notifications, and engaging with the content through likes and shares.

Outlines

00:00

🌐 Introduction to Subnetting in Computer Networks

In this introductory video, Vikram from Learning Monkey begins by welcoming viewers to a class on subnetting. He suggests watching previous videos for better understanding and encourages following the entire course, which is part of a larger playlist. The concept of subnetting is introduced as the division of a single large network into multiple smaller networks. Vikram explains the different classes of addressing (Class A, B, C) and how they determine the number of systems that can be connected in a network. He uses the example of a university with different departments needing to connect varying numbers of systems, highlighting the need for subnetting due to different technological requirements and network topologies. The video sets the stage for further exploration of subnetting in subsequent classes.

05:01

📢 Engaging with the Learning Monkey Community

In the concluding part of the video, the speaker invites viewers to engage with the Learning Monkey community. They encourage viewers to subscribe to the channel for the latest updates, post their thoughts in the comments section, and share the video with friends. The speaker also appreciates the viewers for watching and provides a call to action for likes and shares, emphasizing the mutual benefit of sharing knowledge. This segment serves as a reminder of the importance of community interaction and the value of collaborative learning.

Mindmap

Keywords

💡Subnetting

Subnetting is the process of dividing a single large network into multiple smaller networks. It is a fundamental concept in computer networking that allows for more efficient management and organization of network resources. In the video, subnetting is introduced as a solution to various challenges faced when constructing networks, such as accommodating different technologies and addressing different departmental needs within a university.

💡Computer Networks

Computer networks are interconnected systems of hardware and software that allow for the sharing of data and resources. They are essential for modern communication and information exchange. The video focuses on subnetting within the context of computer networks, emphasizing its importance in managing and optimizing network infrastructure.

💡Class A, Class B, Class C

These terms refer to different classes of IP addresses used in networking. Class A, B, and C addresses have different capacities for the number of devices they can support. For example, Class A can support up to 16 million devices, Class B up to 65,000, and Class C up to 256. The video mentions these classes to illustrate the varying needs for subnetting based on the scale of the network.

💡Ethernet

Ethernet is a type of networking technology that uses cables to connect devices. It is commonly used in LANs (Local Area Networks). In the video, Ethernet is mentioned as one of the technologies that might be used by different departments within a university, highlighting the need for subnetting to accommodate diverse technological requirements.

💡Ring Topology

Ring topology is a network configuration where each device is connected to two other devices, forming a continuous loop. This topology is mentioned in the video as a specific technology that some departments might prefer for their network setup, necessitating subnetting to separate these distinct network structures.

💡Bus Topology

Bus topology is another network configuration where all devices are connected to a single, shared cable, similar to a bus route. The video uses bus topology as an example of a different technology that might be required by some departments, further illustrating the need for subnetting to support various network topologies.

💡Departments

In the context of the video, departments refer to different academic or administrative units within a university. Each department might have unique networking needs, such as connecting a specific number of systems or using a particular network topology. The video uses the example of a university with departments like CSC, EC, Mechanical, and Civil to explain the practical challenges that subnetting addresses.

💡Network Topologies

Network topologies refer to the physical or logical layout of a network, including how devices are connected. The video discusses various topologies like Ethernet, ring, and bus, emphasizing how subnetting can be used to create separate networks for different topological requirements.

💡IP Addressing

IP addressing is the method of assigning unique identifiers (IP addresses) to devices on a network. The video discusses how different classes of IP addresses (Class A, B, C) determine the number of devices that can be connected in a single network, which is a key factor in deciding when to implement subnetting.

💡Security Issues

Security issues in networking involve protecting the network from unauthorized access, data breaches, and other threats. The video mentions security as one of the challenges that subnetting can help address by creating smaller, more manageable networks that are easier to secure.

💡Maintenance Issues

Maintenance issues in networking refer to the challenges of managing and updating network infrastructure. The video suggests that subnetting can simplify network maintenance by breaking down a large network into smaller, more manageable segments.

Highlights

Introduction to subnetting in computer networks.

Subnetting is dividing a large network into multiple smaller networks.

Different classes of addressing in networking: Class A, B, and C.

Class A can configure 16 million systems, Class B can configure 65,000 systems, and Class C can configure 256 systems.

The need for subnetting arises from practical challenges in network construction.

Example of constructing a network for different departments in a university.

CSC, EC, Mechanical, and Civil departments each wanting to connect 60 systems.

Different technologies required for different departments' networks.

CSC prefers Ethernet, EC and Mechanical prefer Ring topology, and Civil prefers Bus topology.

Subnetting allows for the use of different technologies in a single network.

Location of departments as a factor in subnetting decisions.

Departments are scattered throughout the university, necessitating subnetting for connectivity.

Subnetting addresses security, maintenance, and other issues in network establishment.

Subnetting divides a single network into smaller, more manageable networks.

Further understanding of how to divide a network into subnets will be covered in later classes.

Encouragement to subscribe to the channel and engage with the content.

Invitation to share thoughts and feedback in the comments section.

Call to like and share the video for broader benefit.