Résumé de section

  • 🌐 Assessment: Computer Networks & Architectures

    This test validates your knowledge of enterprise local interconnection technologies and the wide-area network architectures essential for a system administrator.

    🏢 LAN & VLAN Infrastructures

    Switching topologies, the 802.1Q trunking standard, STP loop-prevention protocols, LACP link aggregation, and CoS frame prioritization.

    📶 Protocol Stack

    Comparison between the theoretical 7-layer OSI model and the TCP/IP suite (4 layers), TCP vs UDP protocols, and IPv4 / IPv6 CIDR addressing.

    🔌 Equipment & Cabling

    MAC switching, IP routing, data-center Spine-Leaf architecture, Category 6A/8 RJ45 cabling, and types of optical fiber.

    🚀 WAN, Cloud & Security

    The end of xDSL copper, XGS-PON fiber connections, LEO satellite constellations, IPsec VPN encryption tunnels, the unified SASE model, and AIOps predictive routing.

    📝 Test Conditions:

    • Number of questions: 50 technical assessment questions.
    • Scoring: Weighted by difficulty level (★☆☆ = 1 pt, ★★☆ = 2 pts, ★★★ = 3 pts).
    • Total score: Assessed out of a total of 102 points.
    • Certification: Automatic issuance of your grade (Fair, Good, Very Good, Excellent) upon validation.

    ✓ A rigorous test to certify your networking expertise against the requirements of modern infrastructures.