Citrix Interview Questions Citrix XenApp

What is Farm?

Farm is a collection of citrix servers which provide published applications to all users. It also prevent singel of failure of all citrix servers due to load balanced capabilities.

What is the default ICA Port number?

Connections without session reliability 1494

Connections with session reliability 2598

Citrix License uses - 27000 , License management console port - 8082
IMA communication 2512 , Xenapp Advanced console - 2513

What is an .ICA File, What is contained inside an ica File?
Independent Computing Architecture (ICA) file used by Citrix application servers; contains configuration information for connecting to different servers.
What is the purpose of the Data Collector?
The zone data collector is simply a Presentation Server which is performing the data collector role in a particular zone. The Presentation Server maintaining the data collector roll is responsible for directing all requests from ICA clients launching published applications
Difference's between ICA and RDP?
1. RDP works only under TCP/IP, while ICA works on many protocols.
2. RDP doesn't permit applications to run in a browser, while works for ICA
3. Session Reliability will be there in ICA,it is not in the RDP
4. Encryption is possible in ICA,it is not present in RDP
5. ICA also supports non windows like DOS, UNIX, MACOS, mobiles
6. RDP supprots only desktop or server console.
7. ICA supprots published applicaion, Desktop, Content, and it will work under 10kb- 20kb
ICA- Independent Computing Architecture (Citrix Protocol) 1494
RDP- Remort Desktop Protocol (Microsoft protocol) 3389
Publish an application with Citrix Presentation Server 4.5?
http://citrixxperience.com/2007/05/24/publish-an-application-with-citrix-presentation-server-45/
EdgeSight for XenApp 

Monitor and measure end‑user experience of virtualized applications
Identify and diagnose session connection issues
Recognise problems at a glance with alert and dashboard views 
Recognize poorly performing applications

What is site?
How to Recover when IMA failed?

What is Speed Screen
How to put a server into install mode, explain in GUI mode and Command line mode
How does Citrix load balancing work?
What is the name of the console where you publish applications in 4.5 Presentation Server
What's the name of he .CMD file that runs every time a user logs into Citrix.
What is an .ICA File, What is contained inside an ica File
How to put a server into install mode, "Gui way, command line way"
How to Determine what data store is used?
How does Citrix load balancing work?

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What is a server farm in Citrix

A Server farm is a group of network servers that are housed in one location. A server farm provides bulk computing for specific applications such as Web site hosting, whereas while a datacenter has many servers, it also has people. In a server farm, you would generally only see a person when an installation or repair was performed, while in the datacenter, operators would be sitting at consoles, putting paper in printers and possibly moving disks and tapes from one place to another. A server farm is typically a room with dozens, hundreds or even thousands of rack-mounted servers humming away. They might all run the same operating system and applications and use load balancing to distribute the workload between them

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