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  2. CCNA - Wikipedia

    en.wikipedia.org/wiki/CCNA

    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.

  3. Cisco certifications - Wikipedia

    en.wikipedia.org/wiki/Cisco_certifications

    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).

  4. Packet Tracer - Wikipedia

    en.wikipedia.org/wiki/Packet_Tracer

    Packet Tracer is a cross-platform visual simulation tool designed by Cisco Systems that allows users to create network topologies and imitate modern computer networks. The software allows users to simulate the configuration of Cisco routers and switches using a simulated command line interface.

  5. Hot Standby Router Protocol - Wikipedia

    en.wikipedia.org/wiki/Hot_Standby_Router_Protocol

    In computer networking, the Hot Standby Router Protocol (HSRP) is a Cisco proprietary redundancy protocol for establishing a fault-tolerant default gateway. Version 1 of the protocol was described in RFC 2281 in 1998.

  6. Routing Information Protocol - Wikipedia

    en.wikipedia.org/wiki/Routing_Information_Protocol

    The hop count 0 denotes a network that is directly connected to the router. 16 hops denote a network that is unreachable, according to the RIP hop limit. Versions. There are three standardized versions of the Routing Information Protocol: RIPv1 and RIPv2 for IPv4, and RIPng for IPv6. RIP version 1

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  7. Cisco - Wikipedia

    en.wikipedia.org/wiki/Cisco

    Qualifying schools can become members of the Cisco Networking Academy and then provide CCNA level or other level courses. Cisco Academy Instructors must be CCNA certified to be a CCAI certified instructor.

  8. CCIE Certification - Wikipedia

    en.wikipedia.org/wiki/CCIE_Certification

    CCIE Certification. The Cisco Certified Internetwork Expert, or CCIE, is a technical certification offered by Cisco Systems. The Cisco Certified Internetwork Expert (CCIE) and Cisco Certified Design Expert (CCDE) certifications were established to assist the industry in distinguishing the top echelon of internetworking experts worldwide and to ...

  9. NetBIOS - Wikipedia

    en.wikipedia.org/wiki/NetBIOS

    NetBIOS (/ ˈ n ɛ t b aɪ ɒ s /) is an acronym for Network Basic Input/Output System. It provides services related to the session layer of the OSI model allowing applications on separate computers to communicate over a local area network. As strictly an API, NetBIOS is not a networking protocol.

  10. List of TCP and UDP port numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_TCP_and_UDP_port...

    This is a list of TCP and UDP port numbers used by protocols for operation of network applications. The Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP) only need one port for duplex , bidirectional traffic.

  11. Data-rate units - Wikipedia

    en.wikipedia.org/wiki/Data-rate_units

    Data-rate units. In telecommunications, data transfer rate is the average number of bits ( bitrate ), characters or symbols ( baudrate ), or data blocks per unit time passing through a communication link in a data-transmission system.