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Cybersecurity Certifications

OCU C)OST C Discussion Lesson 03

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    • #66452
      Jessica Jagerson
      Keymaster

      Can you explain the different classifications of networks and their purpose?

    • #104581
      Teisha Nolen
      Participant

      There are several types of network classifications (or scopes) that are used in various situations. A Local Area Network (LAN) connects a network of devices in a local or limited area. This could apply to schools, homes, or office buildings. Conversely, there are Wide Area Networks (WAN) which span over a large area, possibly in multiple cities, states, or even countries. A Wide Area Network is a type of network that connects Local Area Networks. A Personal Area Network (PAN), as its name implies, is a network that covers a very small area, and is not extremely common anymore.

      A few others that you might see are campus area networks (CAN), which connect multiple networks on one campus, such as a college campus or a group of office buildings. A Metropolitan Area Network (MAN), is used like a CAN but connects buildings or areas within a city. Finally, a Storage Area Network (SAN), again, as its name implies, is used to connect storage devices.

      • #104628
        Cameron Tackett
        Participant

        Teisha,

        I like your other use of classification. “Scopes” is a great term to use to make this more understandable/relatable to someone learning. The definitions were spot on and the use of pairing the areas the connect with the names. Make them all make a bit more sense in my head. The one thing I thought was odd about the quiz at the end of this chapter was the way they used WAN and still referenced a College campus instead of using the CAN classification. Did you notice this as well or did it trip you up?

      • #104638
        Misty Stewart
        Participant

        Hi Teisha,

        Your explanation provides a comprehensive overview of various network classifications based on their scope and purpose. Each type of network serves distinct purposes and is utilized in different scenarios to meet various connectivity needs. This classification helps in understanding the diverse applications and functionalities of computer networks. It highlights the Local Area Network (LAN), Wide Area Network (WAN) and Personal Area Network (PAN) which I believe is less commonly used. Additionally, the passage introduces other network types. I appreciate you breakdown and agree that this helped me better understand the classifications.

        Misty

    • #104586
      Carlos Martes
      Participant

      Networks are classified based on their size and the area they cover. For example, a personal area network connects devices like phones and headphones within a very short range, usually for personal use. A local area network (LAN) links computers in a small area like a home, office or school to share files, printers or even internet access. We can all agree that many of us are familiar with this type of classifications as it applies mostly to gamers. Metropolitan area networks another classification in which covers a large area such as a city or a campus in which connects multiple LANS together. Lastly, a wide area network (WAN) spans huge distances, connecting computers and smaller networks across cities, or even countries, the internet being the most common example. Each type serves the purpose of enabling communication and resources sharing, suited to it’s scale. Understanding these are important because they help us understand how to best connect and manage devices based on distance, scale and purpose. Classifying networks helps us design systems that are both practical and efficient.

      • #104603
        Teisha Nolen
        Participant

        Hi Carlos!
        Great job explaining the different network classifications! I love how you connected it back to gaming. Are you a gamer? We use a wide area network in my place of employment to connect several local area networks. We have our corporate office in Lancaster, with satellite offices in Hillsboro and Barnesville, as well as network access at each of our substations. This is particularly important in my role as I could be working at any of the locations and will need to have access to everything I would in the corporate office, where I work most of the time.

        • #104634
          Carlos Martes
          Participant

          Thanks Teisha! I do game every now and then but as far as LAN, it was something i was most familiar with. Thank you for sharing your info in regards to your workplace. It is very intriguing to see that many of the folks here already have some sort of IT knowledge or already are working in the field, and yours’s is very interesting. Are you a network technician by any chance? Thanks for sharing once again.

    • #104598
      Cameron Tackett
      Participant

      Classifications of networks can be summed up in saying they corollate with how large of an area you want to cover. For example, LAN or Local Area Network. Which could be considered a house, smaller building, and usually only consists of a few PC’s or other devices. WAN or Wide Area Networks are essentially linking together LAN’s over a vastly larger area. The classification system is key to providing enough service and not wasting time/resources on areas that do not need to be larger than they are. It also keeps things more efficient. If I know the size and scale of what I am working on, it could lead to more progress or proper resource allocation for specific tasks.

      • #105508
        James Settle
        Participant

        Excellent perspective with the classification system based upon the size of the area. PAN’s have an area of 20cm from the person according to the lesson I believe. It really aides in allowing you to visualize how large or small these network may be.

    • #104637
      Misty Stewart
      Participant

      Computer networks can be classified into several types based on their scope, size, and purpose. The most common one is (LAN) Local Area Network this covers a small area and is typically used in office buildings or college campuses. There is also (WAN) Wide Area Network with is what it sounds like and covers a larger geographical area such as a city or country. A (CDN) is a Content Delivery Network is a distributed network of servers that deliver web content based on geographical location. A (PAN) is a Personal Area Network which connects devices within a person’s immediate vicinity. PAN’s enable sharing between personal devices. There are a few other classifications that include Metropolitan Area Network (MAN), Campus Area Network (CAN), and Storage Area Network (SAN). Each type of network has distinctive features and is used in different situations to meet various needs and requirements.

      • #104679
        Isabelle Tubbs
        Participant

        Hello, Misty! In your post, there was a network that you mentioned that I did not talk about in my post, which was the Content Delivery Network (CDN). It was great to read about it, and I can see how this would be another great option for network systems. Overall, this was a great overview of the different types of networks.

      • #104702
        James Settle
        Participant

        Great Post Misty,

        I don’t have much knowledge of Content Delivery Networks, or Storage Area Networks, but very good information. From what i read, it appears most of the other networks previously described share communications and resources across a common area, local , metro, campus, etc, while a storage network is a dedicated high-speed network that connects to servers with storage space allowing for a centralized storage space. A CDN is a mass of distributed networks across the globe designed to deliver content quickly, regardless of location in effort to reduce latency. Thanks for allowing me to obtain new knowledge.

    • #104673
      Isabelle Tubbs
      Participant

      There are several different categories of networks which have different purposes. A personal area network (PAN) spans a small space, ranging from a few inches or centimeters to a few yards or meters. A local area network (LAN) connects computers in a specified area. This could be used for universities, office buildings, etc. One similar category is the campus area network (CAN), which connects the campus buildings of, for example, a school or university so that all the devices on the campus are connected to the network. To reach an even greater distance, a wide area network (WAN) can go across several cities or even different countries using nodes. A metropolitan area network (MAN) is a type of network that spans across a city or at least part of a city. Finally, a storage area network (SAN) connects storage devices by using network technology. Thus, choosing a network depends on the size of the area that needs the network connection.

    • #104690
      James Settle
      Participant

      The different classification of networks are WAN, LAN, CAN, MAN, and PAN.
      I will start from the smallest and work backwards, so the PAN is a personal area network, used for near field communication devices, such as RFID, NFC, Bluetooth, etc. It is primarily used for things within the immediate vicinity of the person as the name would imply.

      The LAN is probably most commonly used or known. This is your local area network. This is the network used in your home or office to connect all devices on you network.

      The CAN is a campus area network, and generally is meant for interconnecting network devices within the campus area.

      A MAN is a Metropolitan Area Network, which I had never heard of prior to this class, but is said to be used in the metropolitan area of a city or cities, defined as larger than a Local area network, but smaller than a wide area network.

      Finally, we discuss a WAN, or wide area network, which interconnect network devices over a large area, connecting many local area networks to the larger infrastructure. It allows users to communication across networks to share data, print, transfer files etc.

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