Skip to main content

Define network tools, devices and topologies and use them

 .

Here are some definitions and examples of network tools, devices and topologies:

1. Network Tools:

Network tools are software applications or hardware devices that are used to manage, monitor and troubleshoot computer networks. Some examples of network tools include:
Network analyzers: Network analyzers are software or hardware tools used to capture and analyze network traffic, diagnose network problems and monitor network performance.
packet sniffers: Packet sniffers are tools used to intercept and analyze data packets as they pass through and network, helping to identify problems security issues and other network-related issues.
Ping and traceroute: Ping and traceroute are network diagnostic tools used to test connectivity between two devices on a network.
Network scanners: Network scanners are used to scan for active hosts and services on a network. 

2. Network devices: 

Network devices are physical hardware components that are used to connect devices to a network and enable communication between them. Some examples of network devices include:
Routers: Routers are devices that forward data packets between computer networks, allowing different networks to communicate with each other.
Switches: Switches are devices that connect multiple devices within a network, allowing them to communicate with each other.
Hubs: Hubs are devices that connect multiple devices within a network, but unlike switches, they do not have the ability to filter or segment traffic.
Firewalls: Firewalls are security devices that monitor and filter network traffic, helping to protect against unauthorized access and other security threats. 

3. Network Topologies:

Network topologies refer to the physical refer to the physical or logical arrangement of device and connections within a computer network. Some common network topologies include:
Bus topology: In the bus topology, devices are connected to a single cable, creating a linear arrangement.
Star topology: In a star topology, devices are connected to a central hub or switch, creating a hub-and-spoke arrangement.
Mesh topology: In a mesh topology, devices are connected to multiple other devices, creating a highly interconnected network.
Ring topology: In a ring topology, devices are connected in a closed loop, with each device connected to the next device in the loop.

These are just a few examples of network tools, devices and topologies. Understanding these concepts is important for designing and maintaining computer networks, as well as troubleshooting network issues when they arise.

Comments

Post a Comment

Popular posts from this blog

Introduction of Computer

.  A computer is an electronic device. It take input and store the data in memory and performing the function to produce accurate result in output device. It is used to type document, send email, play game, browse the web and entertainment.   Characteristics of computer  1 . High speed  Computer is very fast device. It is capable of performing calculation of very large amount of data. The computer has unit of speed in microsecond, nanosecond and even in picosecond. The computer is capable of performing millions of tasks per second. 2. Accuracy  The computer produces highly accurate and reliable result.  It does not make any kind of mistake in calculating. The calculation are 100% error free. The computers perform accurate 'n' number of times. 3. Storage capability A computer has much more storage capability. It can store large amount of data. It can store any type of data such as image, video, text document, audio and many more. 4. Diligence Diligence ...
1 comment
Read more

Introduce Linux, UNIX and Linux distribution.

 . Linux Linux is an open source operating system. The term Linux is actually referred to mean a kernel of Unix like operating system developed by a Finish software architect Linus Torvald. The name Linux is derived from Linus' Unix. Linux was originated from the inspiration of a small Unix like operating system MINIX by A.S Tanenbum. Linux is a complete multiuser, multiprocessing, secure and stable operating system which is also considered as UNIX clone. However no code from the proprietary from AT and T is included in Unix. It has flavor of Unix but is not Unix. UNIX  UNIX is a layered operating system. The innermost layer is the hardware that provides the service for the OS. The operating system, referred to in UNIX as the kernel, interacts directly with the hardware and provides the services to the user program. These user programs don't need to know anything about the hardware. They just need to know how to interact with the kernel and it's up to the kernel to provide ...
Post a Comment
Read more

Open System Interconnect (OSI) Reference Model

 . Open system interconnection (OSI) Model explains how packet travels through various layers to other devices on a network, even if the sender and destination have different types of network media. Layer 1(Physical layer):  Function  To activate, maintain, deactivate the physical connection.  To define voltage and data rates needed for transmission.  To convert the digital bits into electrical signals.  To decide weather the transmission the transmission is simplex, half or full duplex.  Physical layer doesn’t perform the detection and correction of errors. Layer 2 (Datalink layer):  Framing (stream of bits into manageable data units):  The datalink layer divides the stream of bits received from the network layer into frame manageable data units called frames.  Physical addressing (MAC Address):  Data link layer adds a header to header to the frame to define the sender and receiver of the frame. Flow Control (mechanism for overwhel...
Post a Comment
Read more