Archive for the ‘MCSA to MCSE-2003’ category

Site and Replication

October 31st, 2009

What is a Site?

A site is a collection of one or more well-connected (usually a local area network) TCP/IP subnets. The network between the subnets must be highly reliable and fast (512 Kbps and higher). Although the sites are generally defined on the basis of location, they can be spanned over more than one location. A site structure corresponds to the physical environment, whereas a domain is the logical environment of the network. A site can contain single or multiple domains, and a domain can contain single or multiple sites.

Like this article? Share it with others
If you like this article, please leave a comment or subscribe this blog via RSS or via e-mail, Bookmark and share through your network. Click the AddThis button below. Thanks.
  • Share/Bookmark

Things to practice for Microsoft test 70-316.

October 31st, 2009

The 70-316 test measures an individual’s ability to develop and implement Windows-based applications using Microsoft Visual C# .NET and Microsoft Visual Studio .NET. Before taking the 70-316 test, you should practice the following:

  1. Create forms and set control properties using the Windows Forms Designer.

Like this article? Share it with others
If you like this article, please leave a comment or subscribe this blog via RSS or via e-mail, Bookmark and share through your network. Click the AddThis button below. Thanks.
  • Share/Bookmark

What are application roles?

October 29th, 2009

Application roles restrict users to access data through a specific application only. Database permissions can be gained only by using specific applications and a user cannot logon directly to a database.

Like this article? Share it with others
If you like this article, please leave a comment or subscribe this blog via RSS or via e-mail, Bookmark and share through your network. Click the AddThis button below. Thanks.
  • Share/Bookmark

Secure Internetwork Communication By Using Packet Filtering

October 29th, 2009

The Windows Server 2003 operating system is designed to work on a network. It receives traffic from other computers over the network. Based on the request made, it takes a decision to route packets to use its services, and processes the request sent by the client. Any computer, when accessible for communication, is also a security risk, if it is accessible from the Internet too. A server accessible from the Internet is open to all clients that can connect to it. An unauthorized user can attempt to access the system for many destructive purposes. The most common of them are listed below:

  • Accessing confidential data.
Like this article? Share it with others
If you like this article, please leave a comment or subscribe this blog via RSS or via e-mail, Bookmark and share through your network. Click the AddThis button below. Thanks.
  • Share/Bookmark

What is Trace.axd?

October 27th, 2009

Trace.axd is an Http Handler that can be used to view the trace details for an application. This file resides in the application’s root directory. A request to this file through a browser displays the trace log of the last n requests in time-order, where n is an integer determined by the value set by requestLimit=”[n]” in the application’s configuration file.

Like this article? Share it with others
If you like this article, please leave a comment or subscribe this blog via RSS or via e-mail, Bookmark and share through your network. Click the AddThis button below. Thanks.
  • Share/Bookmark

What is the SystemProcessor Queue Length counter?

September 30th, 2009

The SystemProcessor Queue Length counter displays the number of threads ready in the processor queue but not currently able to use the processor. The Processor: %Processor Time counter should be measured with a counter. If its value is two, it indicates a CPU bottleneck. This results in slow performance of the server. To eliminate the performance problem, several steps can be used such as reducing the number of processors, using = multiple processors, updating the processors, or installing new and updated CPUs.

Like this article? Share it with others
If you like this article, please leave a comment or subscribe this blog via RSS or via e-mail, Bookmark and share through your network. Click the AddThis button below. Thanks.
  • Share/Bookmark

What is the function of the FROM clause?

September 24th, 2009

The FROM clause of the SQL SELECT statement is used to specify the table names that will be joined together to extract the data values. For example:

SELECT <attributes>
FROM <tables>
WHERE <condition>

Like this article? Share it with others
If you like this article, please leave a comment or subscribe this blog via RSS or via e-mail, Bookmark and share through your network. Click the AddThis button below. Thanks.
  • Share/Bookmark

What is the ExecuteNonQuery method?

September 21st, 2009

The ExecuteNonQuery method of the SqlCommand class is used to execute commands that change a database. These commands include the Transact-SQL INSERT, UPDATE, DELETE, and SET statements. The method acts directly on a database connection and does not require a data set. It returns an integer that indicates the number of rows affected by the execution of a command. This method can also be used to perform catalog operations, such as querying the structure of a database or creating database objects.

Like this article? Share it with others
If you like this article, please leave a comment or subscribe this blog via RSS or via e-mail, Bookmark and share through your network. Click the AddThis button below. Thanks.
  • Share/Bookmark

What is the GetChildRows method?

September 21st, 2009

The GetChildRows method of the DataRow class is used to get the child rows of a DataRow object. The DataRow class defines four overloaded versions of the method. Their signatures are as follows:

Signature Description
Like this article? Share it with others
If you like this article, please leave a comment or subscribe this blog via RSS or via e-mail, Bookmark and share through your network. Click the AddThis button below. Thanks.
  • Share/Bookmark

What is the WriteXml(string, XmlWriteMode) method?

September 21st, 2009

Following is the syntax for the WriteXml(string, XmlWriteMode) method of the DataSet class:

datasetobjectname.WriteXml(filename, mode);

where, datasetobjectname specifies the name of the DataSet object, filename specifies the name of the file, including the path, to which to write data, and mode specifies an XmlWriteMode value. Following are the values that can be used for XmlWriteMode:

Like this article? Share it with others
If you like this article, please leave a comment or subscribe this blog via RSS or via e-mail, Bookmark and share through your network. Click the AddThis button below. Thanks.
  • Share/Bookmark
uCertify.com | Our Company | Articles | Contact Us | News and Press Release | uCertify India | Entries (RSS)
MCSE: MCSA, MCTS, MCITP    JAVA Certification: SCJP, SCWCD    Cisco Certification: CCNA, CCENT    A+, Network+, Security+ Project+
Oracle Certification: OCP 11g, OCP 10g, OCA 11g, OCA 10g    CIW foundation    EC-212-32,    CISSP    Photoshop ACE CS4    Adobe Flash ACE, PMP, CAPM
© 2008 uCertify.com. All rights reserved. All trademarks are the property of their respective owners.