The following is useful information for the 1Y0-A20 and 1Y0-A22 exams.
When choosing which database to use for your Citrix XenApp 6.5 deployment, consider the following:
- MS SQL Server and Oracle dbs are suitable for any size environment.
- Recommended for all large and enterprise environments
- Recommended when XenApp delivers applications over a WAN.
- Do not install XenApp on the SQL Server or Oracle database server.
- Microsoft SQL Server Express 2008 R2 is suitable for all small and many medium environments located in one physical location.
- When deploying large farms across a WAN, there is a performance advantage by replicating the data store and distributing the load over multiple database servers.
- Microsoft SQL Server or Oracle only.
- Small Citrix XenApp server farms:
- Consist of 1 – 50 servers.
- Have less than 150 named users.
- Have less than 100 applications.
- Medium Citrix XenApp server farms:
- Consist of 25 – 100 servers.
- Have less than 300 named users.
- Have less than 100 applications.
- Large Citrix XenApp server farms:
- Consist of 50 – 100 servers.
- Have less than 5000 named users.
- Have less than 500 applications.
- Enterprise Citrix XenApp server farms:
- Consist of 100 or more servers.
- Have more than 3000 named users.
- Have less than 2000 applications.
- When chosen, Microsoft SQL Server Express 2008 R2 is installed automatically on the first XenApp server in the farm.
- Never install a Microsoft SQL Server database or Oracle database on a Domain Controller.
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