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2. CCNA - Wikipedia

   en.wikipedia.org/wiki/CCNA

   The exam covers a broad range of fundamentals, including network fundamentals, network access, IP connectivity, IP services, security fundamentals, automation, and programmability. Prerequisites. There are no prerequisites to take the CCNA certification exam.

3. Cisco certifications - Wikipedia

   en.wikipedia.org/wiki/Cisco_certifications

   Cisco Certified Entry Networking Technician {CCENT} represents the lowest level of certification which covers basic networking knowledge. Until its introduction, CCNA represented the first level of the certification program. It has appropriate use for an entry-level network support position.

4. Cisco Networking Academy - Wikipedia

   en.wikipedia.org/wiki/Cisco_Networking_Academy

   Cisco Networking Academy or NetAcad is an online global educational program product of American Cisco Systems. It started in California in 1997. It started in California in 1997. [1] [2] [3] [4]

5. List of IP protocol numbers - Wikipedia

   en.wikipedia.org/wiki/List_of_IP_protocol_numbers

   List of IP protocol numbers. This is a list of the IP protocol numbers found in the field Protocol of the IPv4 header and the Next Header field of the IPv6 header. It is an identifier for the encapsulated protocol and determines the layout of the data that immediately follows the header. Both fields are eight bits wide.

6. Cisco Certified Entry Networking Technician - Wikipedia

   en.wikipedia.org/wiki/Cisco_Certified_Entry...

   CCENT qualified individuals have the knowledge and skill to install, manage, maintain and troubleshoot a small enterprise branch network, including network security. The CCENT curriculum covered networking fundamentals, WAN technologies, basic security, routing and switching fundamentals, and configuring simple networks. [3]

7. Spanning Tree Protocol - Wikipedia

   en.wikipedia.org/wiki/Spanning_Tree_Protocol

   The Spanning Tree Protocol (STP) is a network protocol that builds a loop-free logical topology for Ethernet networks. The basic function of STP is to prevent bridge loops and the broadcast radiation that results from them.