January 2025
Intermediate to advanced
341 pages
9h 21m
English
Table 1-2 The Five Tiers of IT Support
IT Support Level |
Function |
Description |
|---|---|---|
Tier 0 |
|
Using information from the web, FAQs, blogs, manuals, apps, and so on, users attempt to resolve simple issues themselves. If users cannot resolve their issues, they submit a request to the help desk for support. |
Tier 1 |
|
|
Tier 2 |
|
|
Tier 3 |
|
|
Tier 4 |
|
Tier 4 is outside support for problems with assets or software not serviced by the organization. A good example is copier or printer support. |
Table 6-2 Comparing Cloud Computing to On-Premises Data Centers
Aspect |
Cloud Computing |
On-Premises Data Centers |
|---|---|---|
Hosting location |
|
Hosted on-site within the organization’s premises |
Scalability ... |