Best effort in Quality of Service (QoS) refers to a network service model where data packets are transmitted without any guarantees regarding delivery, latency, or priority. In best effort QoS, network devices handle packets on a first-come, first-served basis, without applying prioritization or traffic shaping mechanisms. This approach contrasts with differentiated services (DiffServ) or integrated … Read more
Port forwarding serves several specific purposes in networking and IT contexts, addressing various needs and functionalities: The primary purpose of port forwarding is to allow external access to services or applications hosted on a private network or behind a firewall/router. By configuring port forwarding rules on a router or firewall, incoming traffic destined for a … Read more
Networking serves multiple fundamental purposes in modern computing and communication environments. Its main purpose is to facilitate the exchange of information and resources between devices and users across interconnected systems. By establishing networks, organizations and individuals can share data, access shared resources such as printers and storage devices, and communicate effectively through various applications and … Read more
Routing refers to the process of determining the optimal path for data packets to travel from a source to a destination across a network. It is needed because modern computer networks are composed of interconnected devices that may span large geographical areas. Routing ensures efficient and reliable data transmission by dynamically selecting the best available … Read more
The advantages of having a default gateway in a network architecture include facilitating communication between devices on different subnets or networks. A default gateway acts as the exit point for traffic originating from devices that need to communicate outside their own subnet. It enables devices to send data packets to destinations beyond their local network, … Read more
Network services encompass a range of functions essential for facilitating communication, resource sharing, and data management across computer networks. These services include: Functions of Network Services: Network services provide various functionalities such as email hosting, file sharing, remote access, and domain name resolution (DNS). Email hosting allows users to send and receive emails over the … Read more
What is the Advantage of TACACS? TACACS, which stands for Terminal Access Controller Access-Control System, is a protocol used for remote authentication and authorization. More specifically, its most widely known version—TACACS+—is used extensively in enterprise environments to provide secure and centralized access control for routers, switches, firewalls, and other network devices. Developed originally by Cisco, … Read more
A router works by receiving data packets from devices on a local network and forwarding them towards their intended destinations. It operates at the network layer (Layer 3) of the OSI model, using IP addresses to determine where to send each packet. Routers maintain routing tables that contain information about the best paths to various … Read more
A general-purpose NAS (Network-Attached Storage) refers to a storage device or server that is connected to a network and provides centralized data storage accessible to multiple clients or users within the network. Unlike traditional storage devices that are directly attached to individual computers, NAS devices are dedicated storage appliances that offer file-based data storage services … Read more
VLAN routing works by allowing communication between different VLANs (Virtual Local Area Networks) within a network infrastructure. VLANs logically segment a physical network into multiple virtual networks, each with its own broadcast domain. When VLAN routing is implemented, a device such as a Layer 3 switch or a router with VLAN support is used to … Read more