واحة دبي للسيليكون, Dubai
Power
29 Sept 2026
Rack or tower UPS? APC datasheets show the 1500 VA rack model has half the outlets and 4.5 kg more weight than the tower, and the 3 kVA rack unit is too deep for any 600 mm wall cabinet. Three checks decide it.
Laptop
29 Sept 2026
Keep a business laptop until its warranty ends, usually three to five years. Dell and HP battery terms differ, and Windows 11 Pro 24H2 loses updates on 14 October 2026. Three clocks decide the date.
IT Operations
29 Sept 2026
Five signals worth monitoring in a UAE office network: reachability, interface errors, syslog severity, flow data, and comms room heat and UPS state. The protocols, RFCs and alert thresholds that catch faults before staff notice.
Networking
29 Sept 2026
Switch stacking or a chassis for a growing UAE office: member limits from Cisco, HPE Aruba and Juniper documentation, the stacking compatibility trap, how upgrades behave, and when a chassis or core pair is worth it.
Networking
29 Sept 2026
TDRA's Wi-Fi rules for UAE offices: class authorization, the power cap for each band, 6 GHz indoor only at 200 mW, why the AP country code and variant matter, and what Type Approval Policy Version 4 changed on 1 May 2026.
Security
28 Sept 2026
Firewall rules best practice from NIST SP 800-41 and PCI DSS v4.0.1: deny by default both ways, kill leftover any-any rules, find shadowed rules, log denies and review every six months.
Security
28 Sept 2026
SIRA's 2025 manual writes its camera rules for IP systems, so most new Dubai sites should go IP. Analogue HD over coax still makes sense where long cable runs already exist. How cable length, network rules and power decide it.
Servers
28 Sept 2026
RAID 0, 1, 5, 6 and 10 explained with Dell PERC drive counts, the rebuild maths on 24 TB drives, Backblaze 2026 failure rates, and why deletion, ransomware and fire go straight through every RAID level.
IT Operations
27 Sept 2026
Most office comms room outages come from recirculated hot air, heat-aged UPS batteries and unlabelled cables. The checks, targets and quarterly routine that stop them, with ASHRAE, Uptime Institute and TIA-606-D figures.
