Each and every day we communicate with each other may be friends, family, relative etc. through either mobile phone sot any sort of electronic device which is possible for communication. The whole communication process is possible due to networking and the availability of network in the regions. So basically a network is a group of two or more communication system linked with each other either by wireless or by wired which in LAN(Local Area Network) connection. The term networking means the act of interacting with each other through any device and to exchange information with each other. In computer network data exchange takes place between the nodes. To get familiar with networking and its basics we need to learn some few concepts of network otherwise networking is not possible.
Firstly we should have a clear idea about IP Addressing because computer networking involves the IP address. We should have a knowledge all the classes of ipv4 address and their range and the network and host id of each ip address how they are getting divided. These are the basics things of networking. Then we have to know about the subnet mask of the ip address and which subnet mask belongs to which class. Once we have a clear idea of all of these then we can begin with the basics of networking.
To begin with networking, there are many ways that you can learn but the most valuable way to get a depth of knowledge in networking is by doing the course of CCNA. CCNA is a certification course of cisco which stands for Cisco Certified Network Associate which is very valuable in today’s world if you choose network engineer as a profession. CCNA certification is an information technology certification from cisco and is an associate level certification from cisco. They are very valuable and there are many job opportunities through this certification. The salary of ccna is also very good. Through this course you will gain knowledge about networking, routing and switching. You will know how to configure routers manually in a local area connection and in the wide area connection. You will gain knowledge about the switches which takes part in networking for communication of computer. Thus this course is very valuable and there are many job opportunities for this. Another thing is that this is not the only course. There are some advance level of ccna course also which can be opted once you have completed the ccna otherwise you will not be able to cope up with that.
So all the above content features about basic networking and from where to begin. But there are also another way in the networking field. You have to know the basics obviously like ip addressing and ccna but its your choice whether you want to know the advance part or not. If you know it is nothing harmful as no knowledge is waste and knowledge is power. So the other part is network security part. We can all build the network, configure the router but whether they are secure or not to the outside world that depends totally on us. Our network can be compromised if it’s not configured properly with proper security settings and today network security are of great concern. Lots of data may get stolen and also with many private information. So to avoid this type of things we should have a clear knowledge about network security part and how it works. Network security can be learn by opting the course of network penetration testing and also by having a clear knowledge about the iptables which is the linux inbuilt firewall. Network penetration testing will teach you the offensive part and iptables will teach you the defensive part of the network. You should have idea of both .
Network security is also very valuable as everyone tries to secure its data and information from theft and its our responsibility to make it secure.