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2. 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. Packet Tracer makes use of a drag and drop user ...

3. Internet protocol suite - Wikipedia

   en.wikipedia.org/wiki/Internet_protocol_suite

   The Internet protocol suite, commonly known as TCP/IP, is a framework for organizing the set of communication protocols used in the Internet and similar computer networks according to functional criteria. The foundational protocols in the suite are the Transmission Control Protocol (TCP), the User Datagram Protocol (UDP), and the Internet ...

4. CCNA - Wikipedia

   en.wikipedia.org/wiki/CCNA

   CCNA. CCNA (Cisco Certified Network Associate) is an entry-level information technology (IT) certification offered by Cisco Systems. CCNA certification is widely recognized in the IT industry as the foundational step for careers in IT positions and networking roles. [1][2] Cisco exams routinely change in response to evolving IT trends. [3]

5. Packet analyzer - Wikipedia

   en.wikipedia.org/wiki/Packet_analyzer

   Packet analyzer. A packet analyzer (also packet sniffer or network analyzer) [1][2][3][4][5][6][7][8] is a computer program or computer hardware such as a packet capture appliance that can analyze and log traffic that passes over a computer network or part of a network. [9] Packet capture is the process of intercepting and logging traffic.

6. Ethernet frame - Wikipedia

   en.wikipedia.org/wiki/Ethernet_frame

   Ethernet packet. The SFD (start frame delimiter) marks the end of the packet preamble. It is immediately followed by the Ethernet frame, which starts with the destination MAC address. [1] In computer networking, an Ethernet frame is a data link layer protocol data unit and uses the underlying Ethernet physical layer transport mechanisms.

7. Wireshark - Wikipedia

   en.wikipedia.org/wiki/Wireshark

   Website. www.wireshark.org. Wireshark is a free and open-source packet analyzer. It is used for network troubleshooting, analysis, software and communications protocol development, and education. Originally named Ethereal, the project was renamed Wireshark in May 2006 due to trademark issues. [5]

8. Packet radio - Wikipedia

   en.wikipedia.org/wiki/Packet_radio

   Packet radio. Form of amateur radio data communications using the AX25 protocol. Terminal Node Controller 2400 baud packet radio modem. In digital radio, packet radio is the application of packet switching techniques to digital radio communications. Packet radio uses a packet switching protocol as opposed to circuit switching or message ...

9. Packet crafting - Wikipedia

   en.wikipedia.org/wiki/Packet_crafting

   Packet crafting is a technique that allows network administrators to probe firewall rule-sets and find entry points into a targeted system or network. This is done by manually generating packets to test network devices and behaviour, instead of using existing network traffic. [1] Testing may target the firewall, IDS, TCP/IP stack, router or any ...