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  2. Cisco certifications - Wikipedia

    en.wikipedia.org/wiki/Cisco_certifications

    In 2017, Cisco introduced new ICND1 and ICND2 exams (needed for the new CCNA Routing and Switching). ICND1: 100-105 (Interconnecting Cisco Networking Devices Part 1 v3.0) became the new exam required for CCENT. With this change, CCENT became a sufficient pre-requirement for CCNA Security, CCNA Voice and CCNA Wireless. It is valid for 3 years.

  3. 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.

  4. Spanning Tree Protocol - Wikipedia

    en.wikipedia.org/wiki/Spanning_Tree_Protocol

    The Multiple Spanning Tree Protocol (MSTP), originally defined in IEEE 802.1s -2002 and later merged into IEEE 802.1Q -2005, defines an extension to RSTP to further develop the usefulness of VLANs. In the standard, a spanning tree that maps one or more VLANs is called a multiple spanning tree (MST).

  5. NYC mayor defends police response after videos show officers ...

    www.aol.com/news/nyc-mayor-defends-police...

    New York City Mayor Eric Adams defended the police department's response to a pro-Palestinian street demonstration in Brooklyn over the weekend, calling video of officers repeatedly punching men ...

  6. Linux - Wikipedia

    en.wikipedia.org/wiki/Linux

    Linux systems adhere to POSIX, SUS, LSB, ISO, and ANSI standards where possible, although to date only one Linux distribution has been POSIX.1 certified, Linux-FT. Free software projects, although developed through collaboration, are often produced independently of each other. The fact that the software licenses explicitly permit redistribution ...

  7. CCIE Certification - Wikipedia

    en.wikipedia.org/wiki/CCIE_Certification

    There are two test sets for the requirement for certification: Written Exam: Duration 120 minutes, 90–110 questions with multiple choice and simulation. Lab Exam: 8 hours Lab exam (One day), Previously, CCIE Lab Exams were two full-day exams.

  8. AOL Mail for Verizon Customers - AOL Help

    help.aol.com/products/aol-mail-verizon

    Learn how to update your settings to make AOL Mail look and feel exactly how you need it. Netscape Internet Service (ISP) · Jan 30, 2024. Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

  9. Computer network - Wikipedia

    en.wikipedia.org/wiki/Computer_network

    Routing calculates good paths through a network for information to take. For example, from node 1 to node 6 the best routes are likely to be 1-8-7-6, 1-8-10-6 or 1-9-10-6, as these are the shortest routes. Routing is the process of selecting network paths to carry network traffic. Routing is performed for many kinds of networks, including ...

  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. AOL Mail

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!