CENTC case studies
CENTC · Put your knowledge to work in context.
The CENTC is a vendor-neutral certification aimed at professionals who secure, operate, and defend enterprise networks. It suits network engineers, security analysts, and administrators moving from general IT or infrastructure work into a dedicated network security role, as well as practitioners who want a structured credential covering both defensive design and day-to-day operations. The CENTC case studies are 5 cases and about 1,859 words.
1The 100 Mbps Link That Behaves Like 20 Mbps
A branch office connects to headquarters over a 100 Mbps MPLS circuit. Users report that bulk file transfers between sites plateau at about 20 Mbps, but latency-sensitive VoIP calls are clean and the carrier's SLA reports show no drops or errors on the circuit.
394 words, about 2 min2The Vendor VPN That Bypasses the Proxy
A company requires all employee web traffic to traverse a forward proxy for logging and DLP. A new engineering team installs a third-party VPN client on laptops to reach a cloud build service.
399 words, about 2 min3The Alert That Fires Every Night at 02:00
A SOC receives about 400 alerts per day. An IDS rule flags outbound DNS queries to a domain on a threat feed.
387 words, about 2 min4Encrypting the Backups Broke the Restore Test
A regulated firm must retain customer records for seven years. It encrypts backups with AES-256 using keys held in a hardware security module (HSM) managed by a single administrator.
344 words, about 2 min5The Guest Wi-Fi That Reaches the Printers
A hospital adds guest Wi-Fi for patients. The guest SSID is on a separate VLAN, but the guest VLAN is configured as a subinterface on the same core switch as clinical VLANs, and the only segmentation is an ACL on the core switch that blocks guest-to-clinical traffic by subnet.
335 words, about 2 min