EMC Legato Cert E20-405 Questions & Answers

• Question 151:

  Which statement is NOT true about IDfOperationMonitor?

  A. It allows applications to be notified about when an error occurs.

  B. It allows applications to receive progress about the percentage complete for the wholeoperation.

  C. It allows applications to be notified and respond with an answer when an error occurs.

  D. It allows applications to receive progress about the bytes transferred during a contentupload or download.

  Correct Answer: D

• Question 152:

  Given the following: where queryString = "select object_name from dm_document" Which method properly executes a query and returns the appropriate results?

  A. public static IDfCollection execQuery(String queryString, IDfSession session) throwsDfException{...

  B. setDQL(queryString);col = q.execute(session);...return col;}

  C. public static IDfCollection execQuery(String queryString, IDfSession session) throwsDfException{...

  D. setDQL(queryString);col = q.execute(session,0);...return col;}

  E. public static IDfDocument execQuery(String queryString, IDfSession session) throwsDfException{...

  F. setDQL(queryString);objectName = q.execute(session);...return objectName;}

  G. public static IDfDocument execQuery(String queryString, IDfSession session) throwsDfException{...

  H. setDQL(queryString);objectName = q.execute(session,0);...return objectName;}

  Correct Answer: B

• Question 153:

  What does the IDfCollection.getTypedObject() method return?

  A. all rows in the collection as a single object for later use

  B. a row in the collection for later use

  C. a row in the collection that must be used before the collection is closed

  D. an object of type IDfTypedObject that can be cast to an IDfPersistentObject

  Correct Answer: B

• Question 154:

  Which statement is true about query types?

  A. DF_CACHE_QUERY is used for long query strings and stores results in a query cachefile.

  B. DF_EXEC_QUERY is used for long query strings that will not affect any repository dataduring processing.

  C. DF_QUERY can be used for any DQL Query and generally used for any query that willaffect the repository.

  D. DF_EXECREAD_QUERY is used for long query strings that will affect any repositorydata during processing.

  Correct Answer: C

• Question 155:

  The IDfQuery interface provides ____.

  A. status information about the execution of a query

  B. a container for passing a query string directly to the search source

  C. factory methods for a query and interfaces for persistent query management

  D. functionality to set how often the query results need to be checked for consistency withthe server

  Correct Answer: A

• Question 156:

  Which statement is true using fetch rather than a query to return attributes?

  A. use fetch when you need to retrieve all attributes of an object

  B. use fetch when you need to retrieve only specific attributes of an object

  C. use query when attribute information is repeatedly needed in multiple places

  D. use query when caching is necessary on the client side

  Correct Answer: A

• Question 157:

  Assuming that repository "A" has 100 dm_document objects with the name "test" in the object_name, how many records would be returned when the code below is executed?

  A. 0

  B. 99

  C. 100

  D. 101

  Correct Answer: A

• Question 158:

  How many objects will have their subject attribute updated when the following code is executed? (Assume that there are 25 objects having the string 'test' in their object_name.)

  A. 19

  B. 20

  C. 24

  D. 25

  Correct Answer: B

• Question 159:

  Which method properly executes a query and returns the appropriate results. Assume you are developing a UI tree control in a web application to display a list of cabinets. The list of cabinets is generally static. Given the below code snippet: Which value for queryType should be used to achieve the maximum performance?

  A. IDfQuery.DF_READ_QUERY

  B. IDfQuery.DF_QUERY

  C. IDfQuery.DF_CACHE_QUERY

  D. IDfQuery.DF_EXECREAD_QUERY

  Correct Answer: C

• Question 160:

  Given the following code: How would you limit the search to the Temp cabinet?

  A. Add IDfExpressionSet expSet = qBuilder.getRootExpressionSet();expSet.addSimpleAttrExpression("object_name", IDfValue.DF_STRING,IDfSimpleAttrExpression.SEARCH_OP_EQUAL, false, false, "Temp");

  B. Add qBuilder.setDQL("Folder('/Temp')");

  C. Add qBuilder.addLocationScope("Repository", "/Temp", false);

  D. This cannot be done in the IDfQueryManager.

  Correct Answer: C