Design IT system

Availability (sẵn sàng): thời gian downtime: 99% (88 giờ), 99.9% (9 giờ), 99.99% (45 phút), 99.999% (5 phút)
Latency capacity (chịu tai maximun): maximun tải + (10-30%) +...
Performance (hiệu năng):
Scalability (khả năng mở rộng):
Security: nghịch đảo với Performance, chú ý các rule/policy firewall
Backup AND Recovery

Galaxy center
1. BAO VE HE THONG
Set-NetFirewallProfile -Profile Domain,PUBLIC,PRIVATE -Enabled TRUE
Enable-NetAdapter -Name "VMware Network Adapter VMnet8" -Confirm:$false
2. TAM DUNG PHONG THU
Set-NetFirewallProfile -Profile Domain,PUBLIC,PRIVATE -Enabled FALSE
Disable-NetAdapter -Name "VMware Network Adapter VMnet8" -Confirm:$false