Computer Network Tutorial

Introduction of Computer Network Types of Computer Network Network Topology Computer Networking Architecture Transmission Modes (Data Flow) Basic Networking Devices Integrate Services Digital Network (ISDN)


OSI Model TCP/IP Model

Physical Layer

Digital Transmission Analog Transmission Transmission Media Switching

Data Link Layer

Error detection and Error correction Data Link Control Multiple Access Aloha

Network Layer

Network Layer - Logical Address Address Mapping Unicast Routing Protocol

Transport Layer

Process to Process Delivery User Datagram Protocol Transmission Control Protocol Stream Control Transmission Protocol Session Layer and Presentation Layer

Application Layer

Domain Name System Application Protocol E-mail Cryptography


Classes of Routing Protocols Classification of Routing Algorithms Controlled Access Protocols in Computer Networks Differences between IPv4 and IPv6 Fixed and Flooding Routing Algorithms Advantages and Disadvantages of Fibre Optics Cable APIPA Difference between Active and Passive FTP Fiber Optics and its Types Method of Joining and Fusion of Fiber Optic Cable Define Framing in Computer Network Disadvantages of Computer Network Mesh Topology Diagram in Computer Network Ring Topology in Computer Network Star Topology in Computer Networks 4G Mobile Communication Technology Advantages and Disadvantages of LAN Advantages and Disadvantages of MAN Advantages and Disadvantages of WAN Application Layer in OSI Model Cyclic Redundancy Check Example Data link layer in OSI model Difference between Transport and Network Layer Hamming Code Example Network Layer in OSI Model Session Layer in OSI Model Transport Layer in OSI Model Two Port Network in Computer Networks Uses of Computer Networks What is Computer Network What is Framing in a Computer Network Advantages and Disadvantages of Bus Topology Difference between Star Topology and Bus Topology Subnetting in Computer Network Subnetting Questions and Answers What is Bus Topology What is Network Topology and Types in Computer Networks Access Control in Networking Basic Characteristics of Computer Network Benefits of SOCKS5 Proxy in Computer Networks Computer Network viva Questions Difference between BOOTP and RARP Difference Between Network Topologies and Network Protocols Difference between NFC and RFID Difference Between Point-to-Point Link and star Topology Network Differences Between MSS and MTU Differences Between Trunk Port and Access Port Different Modes of Communication in Computer Networks MIME Protocol in Computer Networks Modes of Communication in Computer Networks Network Attack in Computer Network Port Address in Networking Simplest Protocol in Computer Network Sliding Window Protocol in Computer Network Stop And Wait Protocol in Computer Networks TCP 3-Way Handshake Process in Computer Networks What is a Proxy Server What is APPN What is ICMP Protocol What is Point-to-Point Protocol What is Port Address in Networking What is the HDLC Protocol What is VRRP Protocol Difference Between Analog and Digital Signals Difference Between Hub and Repeater Difference between Repeater and Switch Difference Between Transparent Bridge and Source Routing Bridge Source Routing Bridge in Computer Networks Transparent Bridge in Computer Networks Transport Protocol in Computer Networks Types of CSMA in Computer Networks What is Wired and Wireless Networking Network Security in Computer Network Disadvantages of Extranet Difference Between TELNET and FTP Define Protocol in Computer Networks Guided Transmission Media in Computer Network What is a Gateway in a Computer Network IGMP in Computer Networks LAN Protocols in Computer Networks MAN Meaning in Computer Modulation Techniques in Computer Networks Switching in DCN TCP/IP Applications What is IGMP? What is Modem in Networking What is Non-Persistent CSMA Difference between Cell Splitting and Cell Sectoring Forouzen Computer Network Open Loop and Closed Loop Congestion Control Types of Cluster Computing WAP-Wireless Access Point What are the elements of the Transport Protocol Difference between Gateway and Switch Flow Control in Data Link Layer Body Area Network Flooding in Computer Network Token Ring in Computer Networks VoIP in Computer Networks What is Infrared Transmission Congestion Control Techniques Forward Error Correction (FEC) Switching Techniques What is Telnet in Computer Network

Basic Characteristics of Computer Network

A computer network is a system of interconnected devices that are linked together to share information, resources, and services. Computer networks can be used in various settings, including homes, businesses, educational institutions, and governments. Networks can range from simple setups with just a few devices to complex systems connecting thousands or millions of devices.

The basic characteristics of computer networks are essential for building a reliable, secure, and high-performance network that can accommodate growth and changing needs over time. These characteristics include:

Basic Characteristics of Computer Network
  1. Reliability: Reliability is the ability of a computer network to consistently provide uninterrupted and error-free service. A reliable network should be able to recover from failures and continue to operate without interruption. This is achieved through redundancy in hardware and software, backup systems, and fault-tolerant designs. Reliability is crucial for network users, who rely on the network to access critical information, communicate with others, and complete important tasks. Downtime or service interruptions can be costly and result in lost productivity, revenue, or data. Therefore, ensuring network reliability is a top priority for network administrators and designers.
  2. Quality of Service: Quality of Service (QoS) refers to the ability of a computer network to provide a specific level of service to its users, such as guaranteed bandwidth, latency, or packet loss. QoS is important for applications such as voice and video, which require consistent and reliable network performance. QoS is achieved through traffic shaping, queuing algorithms, and network prioritization.
  3. Flow of Data: The flow of data refers to the movement of data across a computer network. A well-designed network should have efficient and reliable data flow to ensure data is transmitted accurately and promptly. This is achieved through network design, routing protocols, and error detection and correction techniques.
  4. High Performance: High performance refers to the ability of a computer network to provide fast and efficient data transmission. High-performance networks can handle large amounts of data quickly and efficiently, allowing for fast communication and data transfer. This is achieved through network optimization, high-speed connections, and load-balancing techniques. Achieving high network performance requires careful planning and implementation of network infrastructure and technologies. This includes high-speed data connections, optimized network protocols, and efficient data routing and delivery mechanisms. Network designers and administrators must also ensure that the network can scale up or down to accommodate changing usage patterns and growing user demand.
  5. Security: Security protects data and network resources from unauthorized access, theft, and damage. A secure network should have measures to prevent and detect security threats, such as firewalls, encryption, and intrusion detection systems. Security is achieved through various security protocols, policies, and procedures.
  6. Fault Tolerance: Fault tolerance refers to the ability of a computer network to continue operating even in the presence of hardware or software failures. A fault-tolerant network should have redundant components and backup systems to ensure that failures do not cause service interruptions. This is achieved through redundancy, failover mechanisms, and disaster recovery procedures.
  7. Scalability: Scalability refers to the ability of a computer network to accommodate growth and increasing demands on resources. A scalable network should be able to add more users, devices, and data without significant degradation in performance. This is achieved through distributed architectures, virtualization, and cloud computing technologies.
  8. Compatibility with hardware and software components: Compatibility refers to the ability of a computer network to work with different types of hardware and software components. A compatible network should be able to communicate and interoperate with various devices and software applications, regardless of their origin or manufacturer. Compatibility is crucial for enabling interoperability and ensuring the network can support a wide range of users and applications. This is achieved through standardized protocols, interfaces, and APIs.

These basic characteristics are essential for building a reliable, secure, high-performance computer network that can accommodate growth and changing needs over time while remaining compatible with various hardware and software components.