PC Networking
What is a Computer Network? Connecting at least two computers and exchanging information is called a computer network. Computer networks provide users with an environment where they can share information between computers. Visit Us!: SYSNETTECH Solutions
Episodes
What is SSH (Secure Shell), and What are its Features?
Secure Shell (SSH) is a network protocol that provides users, especially system administrators, a secure way to access a computer over an unsecured network.
SSH is a network protocol that provides users, especially system administrators, a secure way to access a computer over an unsecured network.
SSH provides strong authentication and encrypted data communication betw...
What is Telnet Protocol in Networking?
Telnet is a TCP/IP protocol developed to connect to a multi-user machine on the Internet network from another remote machine and is the general name given to programs that do this work.
In order to enter the connected machine, you must have a user name there and a telnet access program for the connection to be made. However, some libraries and public telnet-based web services may not ...
What is HTTPS (Secure Hypertext Transfer Protocol)?
What is HTTP?
HTTP (Hypertext Transfer Protocol) is the processing of information shared between client and server without any encryption. In short, there is http:// at the beginning of a website address, and the information you will share and your computer, in general, are not protected by security protocols and become vulnerable to external threats.
What is...
What is FTP (File Transfer Protocol)?
FTP is a file transfer protocol and is the most commonly used protocol for modifying, updating, and uploading files, folders, images, or text files on your website. FTP is the simplest way to send files and folders online from your computer to the server. For example, if you want to upload WordPress on your website, you can send your files to the server via FTP.
With the data transfer ...
What is the OSI Reference Model?
The OSI model (Open System Interconnection) defines a computer network framework for implementing protocols at seven layers. A protocol in networking terms is a form of negotiation and rule between two networking organizations. The purpose is to define how communication between the two computers will be.
The OSI is a conceptual model that characterizes and standardizes the communication fun...
What is DNS (Domain Name System)?
DNS is the system that provides the connection between domain names and IP addresses of internet sites. In short, DNS converts domain names to IP addresses so you can access any website you want without entering complex IP addresses into your internet browser.
For example, to enter Google, one of the most visited websites in the world, you need to enter an IP address of 172.217.23.14. Howe...
What is DHCP (Dynamic Host Configuration Protocol)?
When you connect to a network, you usually have an IP address assigned automatically by the router. This process is necessary for devices to be able to communicate with devices on other networks. The switch service that assigns IP addresses is called Dynamic Host Configuration Protocol or DHCP.
DHCP works in a client-server model where a client broadcasts an IP address re...
What is an IP Address?
All devices connected to the internet network have a specific address for data exchange. Internet Protocol Address, ie IP address, is the virtual address assigned to all computers connected to the Internet. IP addresses that provide internet network traffic are the most important part of the protocol that defines the working rules of the internet.
Internet protocol is the set of rules that determine ...
What is Port in a Computer System?
The word port, which computer users have heard in different areas as well as in daily use, is defined as the leading actor of a great stream. The port acts as a bridge for computer networks. This port, which has two protocols, TCP and UDP, is a core member that provides data flow between computers.
This port, which is frequently heard by users who are researched by going a little further ...
What is UDP (User Datagram Protocol)?
UDP (User Datagram Protocol) is basically known as an alternative to TCP. UDP, which is a much faster protocol than TCP, is actively used for audio and video transmission.
The reason it works faster than TCP is that TCP is responsible for data integrity and authentication. UDP, unlike TCP protocol, is not responsible for data integrity and security.
What is TCP (Transmission Control Protocol)?
TCP (Transmission Control Protocol) is a protocol created and developed by the US Department of Defense. TCP, which serves for the smoothness of the basic communication between computers, also authenticates in addition to ensuring data integrity in data exchange.
The reason for the creation of TCP also prevents the loss of communication between computers. Today, data exchange of...
What is Ethernet that Allows to Connect a Computer to the Internet?
Ethernet connection can be defined as a type of connection that is used to establish a network connection between computers. The method that will support the formation of a network between two computers is called Ethernet.
The card required to connect these computers to each other is called the Ethernet card. In order to understand better what is Ethernet,...
What is Wi-Fi?
Wi-Fi stands for wireless fidelity and means wireless connection area. As can be understood from the definition of wifi, it is a wifi signal area and you can access the internet wirelessly with tablets, phones, smartwatches, audio players, televisions, game consoles, and similar devices in this area.
How Does Wi-Fi Work?
Wi-Fi technology is the same as the working principle of transistor radios. In ...
What is an Access Point in Computer Networks?
Access Point is the common name of devices that connect multiple computers, mobile devices, smartphones, and all devices that can access the Internet.
Access Points are generally used to convert wired connections to wireless connections. In addition to the ability of APs to convert wired internet to wireless wifi internet, it can also be used as a signal repeater.
Repeater mode...
What is Repeater in Network Systems?
The most important point to be considered when wiring is that the data reaches the destination smoothly. However, depending on the technology used, the maximum distances that the cable can transmit the data without any problem are limited. The repeater is activated at distances that the cable cannot reach.
The repeater is used to strengthen data packets that may not reach its recipient....
What is Hub in Computer Networks?
Hubs do not know which computers are connected to it and do not perform a network operation of the source or target computer. For this, they are defined as stupid devices according to Switches.
If data is sent to a computer on the network, the Hubs send this data to all computers, and the computer that will receive the data checks whether the data was sent to it or not, if it was sent to i...
What is Bridge in Computer Networks?
Bridges are network devices used to connect two or more independent networks using the same protocol. It examines the data that is placed between two independent networks and wanted to be transferred to both sides. If the data address matches an address on the computer network, it allows data to pass to that network; otherwise, it does not allow data to pass through the network.
What is Switch in Computer Networks?
The switch is one of the network hardware that allows PCs and other network equipment to be integrated with each other. OSI works in layer 2 of the seven-layer model and also in layer 3, as new switches are capable of IP routing.
Each of the network switches can exchange data independently of the others. When a data packet reaches one of the ports, the network key records the sender's M...
What is a Router in Computer Networks?
The internet is one of the 20th century's greatest inventions and communication tools. It allows people around the world to email each other in a matter of seconds and allows you to read content posted on the website, among other functions.
In fact, most people have never come face to face with or didn't want to, the technology that allows the internet to exist. We are all used to see...
What is the Difference Between LAN, WAN, and MAN Networks?
Network systems is a computer technology that enables computers in a local or a wide area to communicate with each other.
This technology is divided into some definitions according to the area it covers and the type of physical connection. These are LAN (Local Area Network), MAN (Metropolitan Area Network), and WAN (Wide Area Network).
It i...
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