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Wednesday, August 15, 2012

Citrix interview questions

What all are the versions of Citrix?
2001 MetaFrame XP
2002 MetaFrame XP with Feature Release 1
2002 MetaFrame XP with Feature Release 2
2003   MetaFrame XP Presentation Server, with Feature Release 3
2004 MetaFrame Presentation Server 3.0
2005 Presentation Server 4.0
2007 Presentation Server 4.5
2007 Presentation Server 4.5, with Feature Pack 1
2008        Citrix XenApp

What is the name of  Citrix Systems proprietary presentation layer protocol?
Independent Computing Architecture (ICA).

What is the speciality of ICA?
It sends screen updates and mouse movements updates in kb size from client to server.Soo thin communication.

What is the ICA port number?
ICA  port number :1494
ICA Protocol on UDP :1604
If Session Reliability is enabled, TCP port 2598 replaces port 1494 as the port that the ICA protocol uses.

What is IMA protocol?
IMA stands for Independent Management Architecture.
It is used for server-to-server communication like licensing, server load updates etc, all which occurs "behind the scenes."

What is Data Collector?
Server which stores dynamic data such as logon info, app usage info etc (zone can be based on geolocation or subnet)

What is the difference between Dynamic Store and Data store?
The data store is a database on disk. The dynamic store is information stored in memory.

How to look the contents of the in-memory "dynamic store" on the data collector?
use “queryds” command

How to determine which server is acting as the data collector in the zone?
run "query farm /zone" from the command line)

What is zone?
It is a grouping of Presentation Servers that shares the common Data Collector.

What is Data Store?
Server which stores static data such as published app,licence info, printers info,form config etc.

What is Farm?
It is a management boundary.All the servers in the farm share a single data store.
Allows to configure features and settings for the entire farm rather than configuring each server individually

What is Local host cache?
If presentation server not connected with data store server, it uses Local host cache.

How to recreate the local host cache file?
dsmaint recreatelhc

What is shadowing?
You can view another user’s session on another device by using shadowing.

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