HCIE-Security case studies
HCIE-Security · Put your knowledge to work in context.
HCIE-Security is the expert tier of Huawei's Career Certification track, the top level above HCIA and HCIP. The Huawei Talent portal lists Career Certification, Specialist Certification, a Documentation Center, Certification News and Certification Courses as its certification resources, and the corporate site links Training and Certification to the same portal, so the official syllabus, exam registration and course catalog should always be read there rather than from third-party summaries. The HCIE-Security case studies are 5 cases and about 3,306 words.
1Stretched VLAN Across Two Data Centers with an HRP Pair
A hospital group is consolidating two data centers 40 km apart into an active-active pair and has asked you to review the proposed security architecture before implementation. Each site will host one USG6000E firewall; both will be configured as an HRP active/standby pair across the DCI, with VLAN 210 stretched between sites so that 300 virtual machines can migrate without re-addressing.
714 words, about 4 min2Hub-and-Spoke IPsec with CGNAT Branches and Overlapping Subnets
A retail chain runs 80 stores, each with a USG6000E connecting over IPsec to an HQ USG6650E in a hub-and-spoke topology. IKEv2 with pre-shared keys is used, and 30 stores have a 4G/LTE backup link that sits behind carrier-grade NAT.
648 words, about 3 min3Ransomware on Endpoints and a Domain-Joined Backup NAS
A manufacturer has 1,500 Windows endpoints, of which 400 are remote and only 65 percent have the EDR agent reporting in the last seven days. It also runs 60 Linux VMs in two cloud regions, protected by security groups and a cloud-native firewall but with no host agent.
677 words, about 3 min4SOC Alert Volume, Retention Gaps and Clock Skew
A security operations team of six analysts runs a SIEM fed by 900 sources and receives about 4,000 alerts per day; 82 percent are closed as false positives. Mean time to acknowledge is nine hours.
610 words, about 3 min5SSL Decryption and IPS Saturation at the Internet Edge
A USG6650E at an enterprise internet edge carries 1.2 Gbps at peak, 800,000 concurrent sessions and 60,000 new sessions per second. After enabling IPS, antivirus and SSL decryption for outbound HTTPS, users report 8-to-10-second page loads and some TLS handshakes fail.
657 words, about 3 min