CCST Networking case studies
CCST Networking · Put your knowledge to work in context.
The Cisco Certified Support Technician (CCST) Networking credential is an entry-level certification from Cisco aimed at people starting a career in networking or support roles. It suits students, career changers, and help-desk staff who want a documented foundation in how networks work before moving on to more advanced Cisco certifications. The CCST Networking case studies are 5 cases and about 3,017 words.
1Warehouse PoE and Cabling Standard Mismatch
A warehouse is replacing 12 handheld-scanner access points. The new APs specify 802.3bt Type 3 (60 W at the PSE, 51 W at the PD), 2.5GBASE-T, and are mounted 85 m from the IDF along cable trays that share a conduit with forklift battery chargers.
513 words, about 3 min2VLSM Plan for a Three-Building Branch
A branch office has been allocated 172.18.8.0/22 for a three-building campus. Current requirements are Building A: 400 hosts; Building B: 180 hosts; Building C: 90 hosts; a routed transit link between A and B: 2 addresses; and a management VLAN: 25 addresses.
585 words, about 3 min310 Gbps Link and Camera Drops for a New Production Hall
An industrial company is adding a production hall 450 m from its main building. The hall needs a 10 Gbps link between the core switch and a new access switch, six PoE security cameras, and Wi-Fi coverage in an area with corrugated metal walls.
646 words, about 3 min4Campus Trunk, DHCP Relay, and Access-Layer Loop
A three-floor office has 120 users and 60 VoIP phones per floor. Each floor has one 48-port access switch; the switches connect to a collapsed core over a single 1 Gbps fiber uplink.
664 words, about 3 min5Intermittent APIPA Addresses After DHCP Failover
A regional office has 180 wired clients on VLAN 40, using subnet 10.40.0.0/24. Two DHCP servers are configured for load-balancing failover with an 8-day lease; the scope is 80% utilized.
609 words, about 3 min