EMC Legato Cert E20-465 Questions & Answers

• Question 51:

  What is the recommended size for the swap or pagefile, independent of the operating system used for the Content Server machine?

  A. The recommended size for the swap file OR the pagefile should be equal to the physical memory.

  B. The recommended size for the swap file AND the pagefile should be equal to the physical memory.

  C. The recommended size for the swap file OR the pagefile should be 2 or 3 times the size of the physical memory.

  D. The size of the swap file or pagefile does not matter because the Content Server has its own caching engine called Branch Office Caching Services (BOCS).

  Correct Answer: C

• Question 52:

  You are running Documentum Administrator on Apache Tomcat. You just modified dfc.properties. What operation do you need to perform in order for the dfc.properties file changes to take effect?

  A. Restart the Apache Tomcat application server

  B. Use URL http://appserver:8080/da/wdk/refresh.jsp to refresh the application

  C. You need to make same change to %DOCUMENTUM/config\dfc.properties and restart ApacheTomcat

  D. Changes will be picked up automatically

  Correct Answer: D

• Question 53:

  Which statement is true about the logging options for troubleshooting Unified Client Facilities (UCF) related problems?

  A. A client-side UCF logging infrastructure does not exist, therefore troubleshooting information is stored in the client session log.

  B. UCF provides both client and server logging infrastructure.

  C. A UCF logging infrastructure does not exist, therefore troubleshooting information is provided by Java Method Server and by Accelerated Content Services (ACS).

  D. A UCF logging infrastructure is stored only in the repository log file.

  Correct Answer: B

• Question 54:

  How can you improve the performance of WDK-based applications on a high-latency network?

  A. set dfc.content.use_compression = true in the dfc.properties file

  B. enable the WDK Response compression filter in the web.xml configuration file

  C. enable the content compression setting in both the web.xml and dfc.properties configuration files

  D. enable the WDK Cache control filter in the web.xml configuration file

  Correct Answer: D

• Question 55:

  You receive an application from the development department, and you detect there is a new issue causing

  poor performance.

  Which application tuning sequence is correct?

  A. 1. identify long-running queries and statements2. analyze query using RDBMS tools3. locate corresponding query in the log4. trace slow operations5. tune query by re-composition or adding indexes

  B. 1. trace slow operations2. identify long-running queries and statements3. locate corresponding query in the log4. analyze query using RDBMS tools5. tune query by re-composition or adding indexes

  C. 1. tune query by re-composition or adding indexes2. locate corresponding query in the log3. trace slow operations4. identify long-running queries and statements5. analyze query using RDBMS tools

  D. 1. locate corresponding query the session log2. analyze query using RDBMS tools3. tune query by recomposition or adding indexes4. identify long-running queries and statements5. trace slow operations

  Correct Answer: B

• Question 56:

  An administrator logs in to Webtop and enters the following url: http://my_server:port_number/webtop/wdk/dmclTrace.jsp?level=10 What does the above statement do?

  A. It enables tracing and the trace will be stored in a local file on the client computer.

  B. It enables tracing and the trace will be stored in a local file on the Content Server machine.

  C. It enables tracing and the trace will be stored in a local file on the application server machine.

  D. It enables tracing but the application server must be restarted for tracing to take effect.

  Correct Answer: C

• Question 57:

  What performance information is obtained from the following trace snippet? 18.578 3.656 [http-8080-1] (RPCs=93) [email protected]() ==>

  A. The save took 18.578 seconds to execute.

  B. The save took 93 seconds to execute.

  C. The save took 3.656 seconds to execute.

  D. The save took 382.11 seconds to execute.

  Correct Answer: C

• Question 58:

  What do you add to a DQL query to limit it to 50 rows?

  A. FORCE_ORDER 50

  B. ROW_BASED 50

  C. RETURN_TOP 50

  D. OPTIMIZE_TOP 50

  Correct Answer: C

• Question 59:

  How do you enable session-based SQL tracing?

  A. apply,c,10,,SQL_TRACE

  B. trace,c,10,,SQL_TRACE

  C. execute set_option with option='sqltrace', "value"=true

  D. execute set_option with option='sqltrace', "value"=10

  Correct Answer: B

• Question 60:

  You have Documentum Administrator installed using the default configuration options and you want to turn tracing on only for Documentum Administrator. Where would you configure this?

  A. ../da/WEB-INF/classes/dfc.properties

  B. %DOCUMENTUM%/config/dfc.properties

  C. ../da/WEB-INF/classes/log4j.properties

  D. %DOCUMENTUM%/config/log4j.properties

  Correct Answer: A