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Cisco Networking Academy or NetAcad is an online global educational program product of American Cisco Systems. It started in California in 1997. References
CCENT certified staff can install, manage and troubleshoot a small enterprise network, including basic network security. The first step towards a CCNA certification must start by having a CCENT. In 2017, Cisco introduced new ICND1 and ICND2 exams (needed for the new CCNA Routing and Switching).
CCNA (Cisco Certified Network Associate) is an information technology (IT) certification from Cisco Systems. CCNA certification is an associate-level Cisco Career certification. Cisco exams have changed several times in response to changing IT trends.
A routing protocol specifies how routers communicate with each other to distribute information that enables them to select paths between nodes on a computer network.
A network socket is a software structure within a network node of a computer network that serves as an endpoint for sending and receiving data across the network. The structure and properties of a socket are defined by an application programming interface (API) for the networking architecture.
Convergence is an important notion for a set of routers that engage in dynamic routing. All Interior Gateway Protocols rely on convergence to function properly. "To have, or be, converged" is the normal state of an operational autonomous system.
In computer networking, Point-to-Point Protocol (PPP) is a data link layer (layer 2) communication protocol between two routers directly without any host or any other networking in between. It can provide loop detection, authentication , transmission encryption , [1] and data compression .
The Cisco Certified Entry Networking Technician (CCENT) certification was the first stage of Cisco's certification system. The certification was retired on 24 February 2020. The CCENT certification was an interim step to Associate level or directly with CCNA and CCDA certifications.
A subnetwork, or subnet, is a logical subdivision of an IP network.: 1, 16 The practice of dividing a network into two or more networks is called subnetting. Computers that belong to the same subnet are addressed with an identical group of its most-significant bits of their IP addresses.
Network access control (NAC) is an approach to computer security that attempts to unify endpoint security technology (such as antivirus, host intrusion prevention, and vulnerability assessment), user or system authentication and network security enforcement.