K2.7 The advantages and limitations of self-hosted and cloud-hosted virtual servers:
• self-hosted server (virtual server on a physical host):
o advantages:
▪ lower expertise required to set up
▪ greater control of costs
▪ scaling can be applied
▪ high availability (HA)/clustering
o limitations:
▪ high upfront cost
▪ high cost for resilience
• cloud-hosted virtual server (for example Microsoft Azure, Amazon Web Services):
o advantages:
▪ scaling can be applied easily
▪ built in redundancy
▪ third-party support provided
o limitations:
▪ high subscription cost
▪ complex initial set-up
Links to Learning Outcomes |
Links to Assessment criteria |
|
|---|---|---|