NAVER Cloud Platform Certified Professional case studies
NAVER Cloud Platform Certified Professional · Put your knowledge to work in context.
The NAVER Cloud Platform Certified Professional is a vendor credential for engineers who design, operate, and secure workloads on NAVER Cloud Platform (NCP). It suits cloud architects, platform and DevOps engineers, and consultants who already work hands-on with NCP and want independent proof of depth rather than an introductory badge. The NAVER Cloud Platform Certified Professional case studies are 5 cases and about 5,396 words.
1ImagePullBackOff 403 and stuck batch pods on a private-node NKS cluster
A merchant-platform team runs a NAVER Cloud Platform Kubernetes Service (NKS) cluster in the KR region with three node pools: system (3 nodes), web (6 nodes), and batch (4 nodes, tainted). All worker nodes sit in private subnets with no public IP.
1,069 words, about 5 min2Replication lag, stale reads, and a messy failover on Cloud DB for MySQL
A community platform serves about 2,000 read requests per second from a Cloud DB for MySQL primary plus two read replicas. All read traffic goes to the replicas and writes go to the primary through a single connection string.
1,071 words, about 5 min3Intermittent load balancer health check failures, CDN data leakage, and a peering request with overlapping CIDRs
A retail company's storefront runs in a VPC with CIDR 10.10.0.0/16: an Application Load Balancer in a public subnet, eight web servers in a private subnet, and a Cloud DB for MySQL instance in a database subnet. The web servers' ACG allows 80/443 from 0.0.0.0/0 and 22/tcp from the office only.
1,083 words, about 5 min4Remediating an audit on sub accounts, API keys, and encryption keys
A 60-person payments company runs about 90 servers, 12 Cloud DB instances and 30 Object Storage buckets on NAVER Cloud Platform. An external audit found five issues.
1,105 words, about 6 min5Six-week migration of 58 TB with a four-hour cutover, plus an over-budget run rate
An insurer is moving its claims system from a colocation facility in Seoul to NAVER Cloud Platform. The dataset is 58 TB: an 18 TB Oracle database and a 40 TB file share of scanned documents, roughly 60% PDFs that compress about 2.5:1.
1,068 words, about 5 min