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Articles by Ginni
Page 2 of 124
What is NAS in the Computer Network?
NAS stands for Network Attached Storage. It is a dedicated storage device connected to a network that provides file access services to multiple computer systems. NAS devices consist of storage drives and a specialized engine that implements file services, using protocols like NFS (Network File System) or CIFS (Common Internet File System). NAS systems are popular with enterprises and small organizations across many industries as effective, scalable, and cost-efficient storage solutions. They support applications like email systems, accounting databases, payroll processing, video recording and editing, and data logging operations. Network Attached Storage (NAS) Architecture ...
Read MoreWhat is NFS in the Computer Network?
Network File System (NFS) is a distributed file system protocol that allows users to access files and directories located on remote servers as if they were stored locally. Developed by Sun Microsystems in 1984, NFS enables seamless file sharing across networks using a client-server architecture. NFS operates over IP-based networks and is widely supported by Unix-like operating systems including Linux, Solaris, FreeBSD, AIX, and macOS. The protocol allows multiple clients to simultaneously access shared files and directories stored on NFS servers, providing transparent remote file access. NFS Client-Server Architecture ...
Read MoreWhat is NVMe in the Computer Network?
Non-Volatile Memory Express (NVMe) is a high-performance storage access and transport protocol specifically designed for solid-state drives (SSDs) and flash storage. It delivers significantly higher throughput and faster response times compared to traditional storage interfaces like SATA and SAS. NVMe is optimized for modern flash storage, providing a direct communication path between SSDs and host systems through the PCIe (Peripheral Component Interconnect Express) bus. This eliminates the bottleneck that occurs when high-speed flash storage is connected through legacy interfaces originally designed for slower hard disk drives. NVMe vs Traditional Storage Communication ...
Read MoreWhat is Storage Area Network (SAN) in Computer Network?
SAN stands for Storage Area Network. This is a dedicated high-speed network that connects storage devices to multiple servers, providing a shared pool of storage resources. Each server can access SAN storage as if it were directly attached local storage, enabling centralized data management and improved storage utilization. A SAN consists of interconnected hosts, switches, and storage devices that communicate using specialized protocols. Fibre Channel (FC) is the most common transport protocol, offering high-speed, low-latency connections. Fibre Channel over Ethernet (FCoE) allows organizations to run FC traffic over existing Ethernet infrastructure, converging storage and IP networks. ...
Read MoreDifferentiate between DAS and SAN in Computer Network.
Direct Attached Storage (DAS) and Storage Area Network (SAN) are two distinct storage architectures used in computer networks. Understanding their differences is crucial for selecting the appropriate storage solution based on organizational needs and budget considerations. Direct Attached Storage (DAS) DAS stands for Direct-attached storage. It is computer storage that is connected directly to one computer and not accessible to other systems on the network. The DAS system is attached directly to the computer through the HBA (Host Bus Adapter). Unlike network-attached storage devices, DAS connects directly to the server without requiring network infrastructure. Modern DAS systems ...
Read MoreDifferentiate between GSM and CDMA in Computer Network.
In mobile telecommunications, two major digital cellular technologies have dominated the market: GSM (Global System for Mobile Communication) and CDMA (Code Division Multiple Access). Both technologies enable mobile communication but use fundamentally different approaches for handling multiple users on the same network infrastructure. Understanding the differences between GSM and CDMA is crucial for network engineers and telecommunications professionals, as each technology offers distinct advantages in terms of security, flexibility, and network capacity. GSM (Global System for Mobile Communication) GSM is a digital mobile communication standard that operates as a second-generation (2G) cellular technology. It uses Time Division ...
Read MoreWhat is the Windows 2000 Operating System in Computer Network?
Microsoft released Windows 2000 in February 2000 as a desktop operating system for X86 architecture. It represents a significant milestone in Microsoft's operating system evolution, combining the user-friendly features of Windows 98 with the stability and security of the Windows NT family. The operating system came in multiple editions including Windows 2000 Professional, Windows 2000 Server, and Windows 2000 Datacenter Server. Microsoft initially planned to develop a version for the Alpha architecture but discontinued those plans following an announcement by Compaq. System Requirements The minimum installation requirements for Windows 2000 include: Pentium processor 32MB RAM ...
Read MoreDifferentiate between IEEE 802.3 and IEEE 802.5 in Computer Network.
The IEEE 802.3 and IEEE 802.5 standards define two fundamentally different approaches to local area networking. IEEE 802.3 specifies Ethernet with collision detection, while IEEE 802.5 defines Token Ring with token-passing protocols. IEEE 802.3 Standard (Ethernet) The IEEE 802.3 standard is commonly known as Ethernet or CSMA/CD (Carrier Sense Multiple Access/Collision Detection). Originally developed by Xerox and later extended by DEC, Intel, and Xerox, Ethernet has become the dominant LAN technology worldwide. In Ethernet networks, stations use a "listen before transmit" approach. When a station needs to send data, it first listens to the medium. If the ...
Read MoreWhat is the difference between IGRP and BGP?
The Interior Gateway Routing Protocol (IGRP) and Border Gateway Protocol (BGP) are two distinct routing protocols that serve different purposes in network architecture. IGRP operates within autonomous systems, while BGP facilitates routing between different autonomous systems across the internet. IGRP (Interior Gateway Routing Protocol) IGRP is a distance-vector routing protocol developed by Cisco Systems in the 1980s for use within autonomous systems. It was designed to overcome the limitations of RIP by supporting larger networks and more sophisticated metrics. IGRP uses composite metrics including bandwidth, delay, reliability, and load to determine the best path to a destination. ...
Read MoreWhat is Private Branch Exchange (PBX)?
A Private Branch Exchange (PBX) is a private telephone network used within organizations to manage internal and external communications. Acting as a miniature telephone company central office, a PBX serves as the switching and routing hub for all voice communications within an enterprise. PBX systems enable organizations to create their own internal telephone network, allowing employees to communicate internally for collaboration and externally with customers, partners, and contacts through various channels such as VoIP (Voice over Internet Protocol) or ISDN (Integrated Services Digital Network). PBX System Architecture PBX ...
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