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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. [1] Cisco exams have changed several times in response to changing IT trends. [2] In 2020, Cisco announced an update to its certification program that "Consolidated ...

  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. Linux - Wikipedia

    en.wikipedia.org/wiki/Linux

    A Linux-based system is a modular Unix-like operating system, deriving much of its basic design from principles established in Unix during the 1970s and 1980s. Such a system uses a monolithic kernel, the Linux kernel, which handles process control, networking, access to the peripherals, and file systems.

  5. Certified information systems security professional - Wikipedia

    en.wikipedia.org/wiki/Certified_Information...

    The certification exam consists of 125 questions covering six domain areas: Identity and Access Management Architecture; Security Operations Architecture; Infrastructure Security; Architect for Governance, Compliance, and Risk Management; Security Architecture Modeling; Architect for Application Security

  6. New research shows how a surge of anger could raise heart ...

    www.aol.com/news/science-shows-surge-anger-could...

    Before they began, and at intervals for 100 minutes afterward, the researchers took blood samples and measurements of blood flow and pressure. The findings, published Wednesday in the Journal of ...

  7. MLS has a revolutionary rule to curb time-wasting. Lionel ...

    www.aol.com/sports/mls-revolutionary-rule-curb...

    The early result: Less than two such stoppages per game since the rule’s April 20 implementation — 1.77 over the first three weeks, down from around 5.25 previously, according to league data.

  8. 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. Spanning tree also allows a network design to include backup links providing fault tolerance if an active link fails.

  9. Over 40% of Americans see China as an enemy, a Pew report ...

    www.aol.com/news/over-40-americans-see-china...

    The Pew report, which is drawn from an April 1-7 survey of a sample of 3,600 U.S. adults, found that roughly half of Americans think limiting China’s power and influence should be a top U.S ...

  10. CCNP - Wikipedia

    en.wikipedia.org/wiki/CCNP

    The validity of CCNP Certification is 3 years. Renewal requires certification holders to register for and pass same or higher level Cisco recertification exam(s) every 3 years. Related certifications. Associate-level certification: CCNA; Expert-level Certification: CCIE; References

  11. Information security - Wikipedia

    en.wikipedia.org/wiki/Information_security

    Information security, sometimes shortened to infosec, [1] is the practice of protecting information by mitigating information risks. It is part of information risk management. [2] [3] It typically involves preventing or reducing the probability of unauthorized or inappropriate access to data or the unlawful use, disclosure, disruption, deletion ...