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2. CCNA - Wikipedia

   en.wikipedia.org/wiki/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]

3. Cisco certifications - Wikipedia

   en.wikipedia.org/wiki/Cisco_certifications

   Cisco Certifications are the list of the Certifications offered by Cisco Systems.There are four to five (path to network designers) levels of certification: Associate (CCNA/CCDA), Professional (CCNP/CCDP), Expert (CCIE/CCDE) and recently, Architect (CCAr: CCDE previous), as well as nine different paths for the specific technical field; Routing & Switching, Design, Industrial Network, Network ...

4. Ralph R. McKee CTE High School - Wikipedia

   en.wikipedia.org/wiki/Ralph_R._McKee_CTE_High_School

   Download as PDF; Printable version; ... the CompTIA A+ and Cisco CCENT/CCNA. ... here and their very own website and to pass your Cisco CCNA 200-301 Exam Examscerts ...

5. Frame check sequence - Wikipedia

   en.wikipedia.org/wiki/Frame_check_sequence

   By far the most popular FCS algorithm is a cyclic redundancy check (CRC), used in Ethernet and other IEEE 802 protocols with 32 bits, in X.25 with 16 or 32 bits, in HDLC with 16 or 32 bits, in Frame Relay with 16 bits, [3] in Point-to-Point Protocol (PPP) with 16 or 32 bits, and in other data link layer protocols.

6. Interior gateway protocol - Wikipedia

   en.wikipedia.org/wiki/Interior_Gateway_Protocol

   An interior gateway protocol (IGP) or interior routing protocol is a type of routing protocol used for exchanging routing table information between gateways (commonly routers) within an autonomous system (for example, a system of corporate local area networks). [1]

7. HTTP 301 - Wikipedia

   en.wikipedia.org/wiki/HTTP_301

   Caching Behavior: Many web browsers cache 301 redirects. This means that once a user's browser encounters a 301 redirect, subsequent requests to the original URL will be automatically directed to the new URL without contacting the server. Updating Bookmarks: Browsers may update bookmarks to reflect the new URL after encountering a 301 redirect.

8. Service set (802.11 network) - Wikipedia

   en.wikipedia.org/wiki/Service_set_(802.11_network)

   A station may also likewise transmit packets in which the SSID field is set to null; this prompts an associated access point to send the station a list of supported SSIDs. [16] Once a device has associated with a basic service set, for efficiency, the SSID is not sent within packet headers; only BSSIDs are used for addressing.

9. Computer security - Wikipedia

   en.wikipedia.org/wiki/Computer_security

   An example of a physical security measure: a metal lock on the back of a personal computer to prevent hardware tampering. Computer security (also cybersecurity, digital security, or information technology (IT) security) is the protection of computer software, systems and networks from threats that can lead to unauthorized information disclosure, theft or damage to hardware, software, or data ...