Tag: web technology

Questions Related to web technology

Which of the following are valid statements to obtain the number of row returned by a sql query (It could be from any DBMS)
technology web technology

  1. pg_numrows($result)

  2. postregSQL_numRows($result)

  3. mysql_num_rows($result)

  4. ora_num_rows

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Correct Option: A,C

The difference between require and include is that include raises an exception if the file is not found while require continues the execution.
technology web technology

  1. True

  2. False

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Correct Option: B

Which of these assignments are not valid?
technology web technology

  1. short s = 28

  2. byte b = 12

  3. float f = 2.3

  4. double d = 2.3

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Correct Option: C

What is the default configuration setting for the Data Replication Service (DRS)?
technology web technology

  1. full group replica

  2. single replica

  3. entire domain

  4. specify number of replica

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Correct Option: B

When configuring session management for a Web container, which property represents the number of cached sessions?
technology web technology

  1. Session Expiry value

  2. Maximum in-memory session count

  3. L2 Cache Integration count

  4. Maximum wait on serial access

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Correct Option: B

According to the Upstream Queuing model for performance tuning, what reflects the correct application of recommended settings for maximum concurrent clients?
technology web technology

  1. Web server=75, Web container=50, Datasource=25

  2. Web server=75, Web container=75, Datasource=25

  3. Web server=50, Web container=50, Datasource=50

  4. Web server=25, Web container=50, Datasource=75

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Correct Option: A

Under which circumstance should the WebSphere administrator use the dumpNameSpace utility?
technology web technology

  1. To clear the namespace prior to installing or redeploying an application

  2. When the application server will not start because the JNDI namespace tables have become corrupted

  3. Before regenerating the plug-in for the Web server

  4. When applications are experiencing a problem accessing a specific WebSphere data source

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Correct Option: D

What is the advantage of implementing a multi-tiered environment across multiple machines?
technology web technology

  1. The tiers allow you to tune individual products.

  2. It is the separation of tiers that allows operating system tuning parameters to be used based on the machine's function

  3. Separation reduces maintenance complexities since components are highly available in a distributed configuration.

  4. t can more closely align with a customer's business functions (i.e. distribution, ordering, and inventory management.)

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Correct Option: B

Which statement is true for a managed application server process to startup?
technology web technology

  1. The node agent should not be started before any managed servers on that node.

  2. A node agent and deployment manager must be running before starting a managed server.

  3. Starting a managed server is not dependent on the presence of a running deployment manager.

  4. The deployment manager needs to be started before the managed server.

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Correct Option: C

with a production application server, the administrator notes that the database connection pools have a much lower percentage of utilization than the other pools. Which statement explains this observation?
technology web technology

  1. The database server is constrained, causing calls to the database to consume more resources than are available for processing.

  2. This condition indicates there is a bottleneck in one of the processes upstream in the pipeline of process flows within the application server.

  3. The Tivoli Performance Viewer percentages are only useful for performing performance analysis on a server that is executing in a controlled load test scenario.

  4. The connection pools have not been defined to account for parallel application server calls to the database, causing this particular server to show low utilization.

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Correct Option: B