November 4th, 2009 by uCertify
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Flash tools are arranged in a panel and are used for creating different types of graphics in Flash. The names of the tools, along with their respective icons, are given in the table below:
| Tool |
Icon |
| Select arrow |
 |
| Subselection |
 |
| Free Transform |
 |
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November 4th, 2009 by uCertify
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The MovieClip class is used to add the concept of frames, frame labels, and scenes in ActionScript, with all the properties and methods required to query and control the playhead. A user can create MovieClip objects programmatically, but frames, labels, or scenes cannot be added with ActionScript code.
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November 4th, 2009 by uCertify
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The getRollbackOnly() method of the EJBContext interface is used to test if the current transaction has been marked for rollback or not. An enterprise bean with container-managed transaction demarcation can use this method. A transaction can be marked for rollback by the enterprise bean itself, by other enterprise beans, or by other components of the transaction processing infrastructure.
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November 4th, 2009 by uCertify
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Non-equijoins are used to return the result from two or more tables where exact join is not possible.
Example:
There are two tables: EMP and SALGRADE. The SALGRADE table contains the grade of employees. It also contains the minimum and maximum salaries for all grades. Suppose there arises a need to find the grade of employees based on their salaries, then a NON EQUI join can be used as follows:
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November 4th, 2009 by uCertify
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A function can be schema bound only if the following conditions are true:
- The function is a Transact-SQL function.
- The user-defined functions and the views it references are also schema-bound.
- The objects that the function references are referenced using a two-part name.
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What are the conditions under which a function can be schema bound?
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November 3rd, 2009 by uCertify
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An explicit transaction is one in which a user explicitly defines the beginning and end of the transaction. They are typically defined within the stored procedures. Explicit transactions begin with the BEGIN TRANSACTION statement and end with the COMMIT TRANSACTION or the ROLLBACK TRANSACTION statement. Once a transaction is committed, SQL Server ensures that the data is written to the database even in case of server failure.
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November 3rd, 2009 by uCertify
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LDAP is a protocol that helps us to access the database on different types of platforms. To implement LDAP on a Linux server, you need to download OpenLDAP Software. It is open source software. OpenLDAP Software comprises mainly two basic daemons:
- slapd (Stand-alone LDAP daemon)
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Installation and Development of LDAP (Lightweight Directory Access Protocol)
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November 3rd, 2009 by uCertify
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The purpose of using ; at the end of the find command is that when find is used with -exec and -ok the find command uses ; as the delimiting character. Unfortunately ; is also a delimiting character for the bash shell so we must prevent bash from interpreting it. When a character is preceded with a backslash (), bash instructs it literally, so typing ; at the bash command prompt will send ; to find command after bash has done its interpretation.
Download practice question and study guide for RH033 for exam.
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November 3rd, 2009 by uCertify
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Redirection means diverting data from their normal destination to another. Whenever a program is executed on terminal some output is displayed at the shell prompt. In case a user does not want that output to appear in the shell window, the user can redirect it elsewhere. The user can redirect the output into a file, printer, etc.
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What is redirection of STDIN, STDOUT, STDERR in Linux?
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November 3rd, 2009 by uCertify
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When more than one client tries to transmit data on the same channel at the same time, a collision occurs in the network. This is called the hidden node issue. This issue occurs if a client is visible from the wireless access point but not visible from other clients that are communicating with that wireless access point. The hidden node issue can be observed easily in widespread (>50m radius) WLAN setups with many clients that use directional antennas and have high upload speed. Methods of mitigating this issue include reducing the maximum frame size, forcing RTS/CTS (Request to Send / Clear to Send) frames, and reducing transmit power of the access point and shrinking the cell.
Pass CCNA Wireless in first attampt.
Pass IUWNE in first attampt.
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