CWT case studies
CWT · Put your knowledge to work in context.
CWT is a certification name that appears in the CWNP certification selector on the vendor's website, listed alongside entries such as CWTS, CWNA, CWSP, CWDP, CWAP and CWNE. The CWT-100 exam code also appears in a CWNP URL path. The CWT case studies are 5 cases and about 2,622 words.
11.2 km Warehouse Bridge: EIRP, Fresnel Zone, and a Bad Antenna Swap
A regional logistics company needs a 5 GHz point-to-point bridge between two warehouses 1.2 km apart; fiber is not available. The integrator mounts a 23 dBi dish on each building at 6 m above grade, feeds it with 8 m of LMR-400 (3.5 dB loss at 5.8 GHz), and sets the radio to 20 dBm.
565 words, about 3 min222-AP Retail PoE Budget, 105 m CCA Runs, and an Ungrounded Roof AP
A 22-AP retail refresh uses one 48-port PoE+ switch rated at a 370 W total PoE budget. The bill of materials lists 18 indoor 802.3at APs (Class 4, 30 W maximum, measured draw 12.5 W) and 4 outdoor 802.3at APs with heaters (measured 22 W in cold weather).
510 words, about 3 min3Sticky Chromebooks in a 42-AP High School
A 1,200-student high school has 42 APs, all set to maximum transmit power. 5 GHz uses 40 MHz channels; 2.4 GHz uses 20 MHz.
524 words, about 3 min4Hospital Survey Validation and a Shared-PSK Clinical SSID
A 200-bed hospital asks for a WLAN validation. Design targets are -67 dBm primary, -72 dBm secondary, and SNR of at least 25 dB on 5 GHz for clinical devices; 2.4 GHz is only for guest and legacy clients.
515 words, about 3 min5Branch Office Guest DHCP Failure After an Overnight Switch Swap
A 14-AP branch office uses three SSIDs: CORP on VLAN 10, GUEST on VLAN 20, and AP management on VLAN 99. APs receive addresses from a DHCP scope on VLAN 99.
508 words, about 3 min