Posts

Wrap Up Blog

Network monitoring means watching the network to make sure it is working well. It helps us find problems early, like the slow internet, broken connections, or high traffic. It also helps in checking the health of devices like routers, switches, and servers. SNMP stands for Simple Network Management Protocol. It is a tool that helps in monitoring and managing devices on a network. SNMP collects data from network devices and sends it to a central system. This system shows what is happening on the network. For example, if a router is getting too hot or using too much memory, SNMP can alert the admin to act. Ping, Traceroute, IPConfig/IFConfig, Wireshark, Netstat and Network Monitoring software are common troubleshooting tools. Wrap up Note: This assignment has been a great experience for me. I really enjoyed learning new topics, especially because they are closely related to my job. Blogging each week was a smart idea. It helped me keep a record of what I learned and made it easier to rev...

Contingency Planning

Contingency planning is the process of preparing for unexpected events or emergencies. It means thinking ahead and making plans to deal with problems that might happen in the future. These problems could be natural disasters, accidents, system failures, or other serious issues. The goal of contingency planning is to keep a business, project, or operation running even when something goes wrong. When a company has a good contingency plan, it can act quickly and effectively in a crisis. This reduces damage, saves time, and protects people and resources. A contingency plan is like a backup plan. It gives you a clear idea of what to do if things don’t go as expected. Here are some important points about contingency planning: Identify possible risks : First, think about what could go wrong in the future. Create backup plans : Make different plans for different types of problems. Assign roles : Decide who will do what during an emergency. Test the plan : Pr...

Understanding of Cloud Computing and Mobile networking

Virtualization and cloud computing are key technologies in today’s digital world. Virtualization means creating a virtual version of something, like a server or storage. Instead of using one physical computer for each task, virtualization allows one computer to do many tasks at the same time. This saves money and energy. Cloud computing is a service that delivers computing over the internet. People and companies can store data, run software, or use servers without buying or maintaining hardware. Big companies like Google and Amazon offer cloud services. Cloud computing is flexible and lets users access their data from anywhere. Virtualization helps cloud computing work better by making it easier to manage many users and tasks on fewer machines. Mobile networking means using wireless networks to stay connected while moving. It is what makes our smartphones and tablets work on the go. Mobile networks use radio waves to connect devices to the internet or to each other. These networks in...

WAN Telephony and Troubleshooting

In this week, I explored different WAN telephony technologies. I learned about SONET, T1, and T3 lines. SONET (Synchronous Optical Network) is a high-speed network used to transfer large amounts of data using fiber optics. It is very reliable and mostly used by internet providers. T1 and T3 are older digital lines. T1 carries data at 1.544 Mbps and is often used for voice and data. T3 is much faster, carrying data at 44.736 Mbps. These lines help in connecting locations that are far from each other. I also studied different ways to connect remotely to a network. Some common remote access methods include VPN, dial-up, and broadband connections. A VPN creates a secure tunnel over the internet so users can safely access their work network from home or anywhere else. Dial-up is an older method using phone lines and is very slow. Broadband is faster and more commonly used today. These methods are important for remote workers or for connecting branch offices to the main office network. Le...

IPv6- Neediness, Importance and Uses

IPv6 means Internet Protocol version 6. It is the latest version of the system that helps devices talk to each other over the internet. Before IPv6, we used IPv4. IPv4 has 32-bit addresses, which gives around 4.3 billion IP addresses. But now, we use many devices like phones, computers, and smart gadgets, so we are running out of IPv4 addresses. IPv6 solves this problem. It uses 128-bit addresses. This gives us more IP addresses than we can count. Every device in the world can now have its own unique address. Why is IPv6 Important? IPv6 is important for many reasons. First, it gives us more IP addresses, so we don’t run out. Second, it has better security. IPv6 supports built-in encryption, which helps protect our data. Third, it makes routing simpler and faster. Data moves quickly across networks. Also, with IPv6, many devices can connect directly to each other. There is no need for NAT (Network Address Translation), which was used in IPv4. Even though IPv6 is better, many syste...

The standard method of securing TCP/IP networks

TCP/IP is a set of rules that help data move across the internet. But just like people lock their homes to keep them safe, we also need to lock our networks. This is where network security comes in. There are few methods that I would like to go through in my blog post this week. Securing a TCP/IP network is not just one thing. It’s a mix of tools and habits. Firewalls, encryption, VPNs, strong passwords, updates, IDS, and segmentation all work together. When used properly, they keep our data and networks safe. ·    Use of Firewalls: A firewall is like a security guard for your network. It watches all the data that goes in and out. If something looks bad or suspicious, the firewall blocks it. Firewalls can be hardware or software. Most computers and routers today have built-in firewalls. ·    Encryption: Encryption hides your data. When you send data over the internet, it changes into a secret code. Only the person who has the correct key can read it. This protect...

Understanding TCP/IP Applications and Network Naming

The internet works because of a system called TCP/IP. It stands for Transmission Control Protocol and Internet Protocol. These are rules that help computers talk to each other. TCP helps send data correctly. It breaks big data into small packets and makes sure they arrive in the right order. IP gives each computer an address, like a home address, so data knows where to go. Many apps use TCP/IP. For example, web browsers use HTTP, email uses SMTP, and file sharing uses FTP. These apps help us browse websites, send emails, and download files. Network naming is also important. Instead of typing a long IP address (like 192.168.1.1), we use names like google.com . This is easier to remember. The system that changes names to IP addresses is called DNS, which means Domain Name System. When you type a web address, DNS finds the correct IP address. Then, your computer connects to the website. So, TCP/IP and DNS work together. TCP/IP moves the data, and DNS makes sure it goes to the right ...