Deck 3: PowerCenter Data Integration 9.x:Developer Specialist

Question 1

When would a Lookup transformation be classified as active?

A) When the setting for lookup policy on multiple match is Use Any Value
B) A lookup cannot be an active transformation
C) When the lookup is configured to return multiple rows
D) A lookup is always active

Answer 1

When the lookup is configured to return multiple rows

Question 2

What function could be used to exchange 'i' with 'I' in the COMPANY port given the following expression? functionname{1, COMPANY, 'i' , 'I')

A) CHOOSE
B) REPLACECHR
C) REG_REPLACE
D) INSTR

Answer 2

REPLACECHR

Question 3

Which is the correct priority of assigning a mapping variable?

A) Workflow parameter file, session parameter file, pre-session assignment, repository value, declared initial value, default value
B) Session parameter file, workflow parameter file, repository value, declared initial value
C) Repository value, workflow parameter file, pre-session assignment, session parameter file, default value
D) Repository value, declared initial value, default value

Answer 3

Workflow parameter file, session parameter file, pre-session assignment, repository value, declared initial value, default value

Question 4

Given a Union transformation with 2 input groups, which statement is correct and true?

A) Both input groups must have matching ports. The precision, datatype, and scale must be identical across both input groups.
B) Either input group can have a port that does not match the other input group. The precision, datatype, and scale does not have to be identical across both input groups.
C) When merging the 2 groups of data together, the Union transformation will remove duplicate rows.
D) The port names in each input group can be named the same.

Question 5

Which statement on workflows is correct?

A) In a default configuration, a workflow must contain at least one session task
B) A workflow can contain multiple start points
C) In a default configuration, a workflow parameter file overrides all parameter files in underlying sessions
D) Another workflow cannot be executed from within a workflow

Question 6

Referring to an Unconnected Lookup transformation: Which one of the following is true? (choose one)

A) An unconnected lookup can return multiple rows while a connected lookup may return only one
B) Both connected and unconnected lookups can return multiple rows
C) An unconnected lookup may return only one value while a connected lookup may return multiple rows
D) Both connected and unconnected lookups can return only one row

Question 7

Which one of the following transformations may be unconnected In a valid mapping? (choose one)

A) Lookup, stored procedure, external procedure
B) Lookup, stored procedure, Java
C) Java, lookup, transaction control
D) Transaction control, Java, lookup

Question 8

Which command line tool would you use to execute a workflow?

A) infasetup
B) infacmd
C) pmcmd
D) pmrep

Question 9

A user needs to compare mappings across two folders using the comparsion tool in PowerCenter Designer. What does the user account need in order to successfully complete the comparsion action? (Given that the user account has been granted the ability to use PowerCenter Designer)

A) Read permissions on the two folders
B) Read permissions on the two folders as well as have both folders opened
C) Full access (Read, Write and Execute permissions) on both folders
D) Mappings cannot be compared across folders using PowerCenter Designer

Question 10

Which of the following statements is correct on workflow events?

A) A predefined (or file-wait) Event Wait task waits for a file to appear at the specified location. As soon as the file appears, the event succeeds and the file can be processed by the subsequent mapping
B) A user-defined event can be created a-d raised in one workflow and then used In another
C) A predefined (or file-wait) Event Wait waits for a file to appear at the specified location. As soon as the file appears, it is deleted and the subsequent task will start.
D) A user-defined event can be created in either the Event Wait or Event Raise task

Question 11

In which of the following selections are all of the transformations active?

A) Expression, Router, Joiner
B) Update Strategy, Expression, Aggregator
C) Stored Procedure, Joiner, Router
D) Router, Update Strategy, Joiner

Question 12

Two pipelines (A & B) are entering a Joiner transformation with each having a record size of 100 bytes. Pipeline A has a total of 1000 records and Pipeline B has a total of 1,000,000 records. Which pipeline should be designated the master pipeline?

A) Pipeline A
B) Pipeline B
C) Both Pipelines should be cached for performance reasons
D) Pipeline B if and only if Pipeline A is sorted

Question 13

Which of these statements is correct concerning a Lookup transformation's persistent cache?

A) A persistent cache is stored on disk, and must be named to make it useable in multiple mappings
B) persistent cache is stored on disk, to refresh the cache the disk files must be deleted manually
C) When the Integration Service cannot find the persistent cache file and the recache property is not set, the session fails
D) A persistent cache can only be used by one mapping

Question 14

What is a pipeline lookup transformation?

A) A lookup created using a pipeline which contains a target
B) A lookup cache split over pipelines of a partitioned mapping
C) A lookup associated with the Source Qualifier or an Application source such as JMS or SAP
D) A pipeline lookup does not exist

Question 15

In the Expression transformation graphic below, what is the value of the PREVIOUS_STATE port for row 2, given that the value for the STATE port was 'CA' for row 1?

A) STATE
B) 'CA'
C) NULL
D) Value of the PREVI0US_STATE port is based upon its declared default value

Question 16

Which of the following Is NOT true of Aggregate functions?

A) You can place an aggregate function in a variable port
B) You can add a filter condition to calculate values for specific rows In the selected ports
C) You can use operators to perform arithmetic within the function
D) You can calculate a single value for all rows in a group

Question 17

Using the Properties view of a Session task from the Workflow Monitor, the reason for a session's failure can possibly be determined?

Question 18

The user creates a mapping by using aggregator transformation. The aggregator transformation receives sorted input from sorted transformation. What is the dafault partition type for aggregator transformation?

A) Pass-through
B) Hash auto-keys
C) Not a valid partition points
D) Based on the transformation scope

Question 19

Given the picture shown below: Identify all of the true and correct statements listed below. Note: The red (or gray) arrow points at the line in question. The line on the left hand side of the picture which connects PRODUCT TO PRODUCT_COST :

A) Describes a LEFT OUTER JOIN between PRODUCT AND PRODUCT_COST
B) Describes an INNER JOIN between PRODUCT AND PRODUCT_COST
C) Describes a secondary data flow needed for a sub-select process between PRODUCT AND PRODUCT_COST
D) Can be created within Informatica PowerCenter

Question 20

Which of following statements is valid for Dynamic lookups?

A) Dynamic caching cannot be enabled on a lookup that returns multiple rows per search
B) A dynamic lookup can only be used with insert mappings, i.e. no update strategies are allowed and the session should be configured as Insert
C) A dynamic lookup must be cached and persistent
D) It is possible to update and delete records in a dynamic lookup

Question 21

What is the first column of the bad file?

A) Reject reason
B) Column Indicator
C) Overflow Indicator
D) Row Indicator

Question 22

Regarding the Sorter transformation and assuming that Powercenter is not utilizing Pushdown Optimization, select the statement which is correct and true:

A) When the distinct check box is selected, every port in the sorter transformation will have the sort key selection enabled
B) When transformation scope is set to a value of transaction, the sorter will sort on every record in the pipeline before it releases any data. The intermediate sort file will have markers for each transaction.
C) If the distinct check box is not checked, the sorter will produce one record per unique key
D) The Sorter transformation will utilize database indexes from the source database to perform the sort

Question 23

Which combination of Transaction Control transformation and target type results in an invalid mapping? (choose one)

A) Dynamic MQ Series target
B) MS target
C) Relational target
D) XML target

Question 24

Which of the following statments are valid for Active and Passive Transformations?

A) A transformation is active if It rearranges the order of the rows in the pipeline
B) A transformation is active if it does not change the number of rows in the pipeline
C) Transformations can be active and passive at the same time
D) A passive transformation will not change the number of rows in the pipeline

Question 25

Can you use a Decode function to perform multiple searches based on a single search value?

A) No
B) Yes
C) Yes, but only if the port being searched Is sorted first
D) Yes, but only if the port is downstream of a router transformation

Question 26

A Pipeline Normalizer transformation will reflect one input port for each occurs value which Is greater than 1.

Question 27

Based upon the graphic below, which response correctly discribes the outcome of this workflow's execution given the start method: (The workflow is valid) • Workflows > Start Workflow

A) AII objects displayed will be executed
B) The Start task only will be executed
C) The Start task and the link will execute, while the session task will wait to execute
D) The Start task and link only will be execute

Question 28

Which of the following is not a Transaction Control Variable?

A) TC_CONTINUE_TRANSCTION
B) TC_COMMIT_TRANSACTION
C) TC_ROLLBACK_BEFORE
D) TC COMMIT AFTER

Question 29

Refering to the Lookup transformation, which statement is correct and true?

A) The lookup condition defines how much memory each of the two caches will consume
B) The lookup condition defines the fields that are used in the search of the data
C) The lookup condition is limited to only the equal operator
D) The lookup condition is designated in the ports tab interface via the "L" check box

Question 30

If after running a session task, it has been determined that the incorrect mapping was run for that session task, which of the following actions could be attempted?

A) Edit the session task and from the General tab, choose the correct mapping to reassociate with the session task, then Save and rerun the process
B) At run time, when the workflow is executed, chose the session task with the correct mapping associated
C) Edit the session task and from the Mapping tab, choose the correct mapping to reassociate with the session ask, then Save and rerun the process
D) None of the above

Question 31

Which statement is correct regarding User-Defined Functions (UDF)?

A) A UDF name can contain letters, numbers and underscores
B) Can be used in mappings and transformations however not in mapplets
C) Can be reused from a shared folder as shortcut
D) Can contain Java code snippets

Question 32

Referring to the Java transformation: select the statement below which is correct and true.

A) The Integration Service starts a JVM that executes the byte code to process data
B) PowerCenter requires an Eclipse Java Development Environment for the Java transformation
C) No Third Party Java API's are supported in the Java transformation
D) The Java transformation icon in PowerCenter Designer resembles a coffee bean

Question 33

Which of the following statements regarding mapplets are correct and true?

A) A mapplet can contain a target definition
B) A mapplet can contain a source definition as well as a source qualifier
C) Every mapplet must have at least 1 Input transformation as well as 1 Output transformation
D) A mapplet can contain a Normalizer transformation

Question 34

The word FALSE is a valid Filter transformation condition?

Question 35

Which of the following is true about database connections?

A) Connections may only be created in the Workflow Manager for PowerCenter Repositories and only in the Developer for the MRS
B) PowerCenter connections may be created In either the Administrator or the Workflow Manager
C) MRS connections may be created in either the Workflow Manager or the Administrator
D) Connections may be created in the Administrator for the MRS and in the Workflow Manager for PowerCenter Repositories

Question 36

What does the function SETVARIABLE ( $$Variable, value) do?</strong><div>A) Assign the minimum value of the two to$$ Variable
B) Assign the maximum value of the two to $$VariableC) Allows the assignment of a value to a parameterD) Assign the value to$$ Variable, unless the value is null

Question 37

Referring to the SQL Transformation: which statements is correct and true.

A) The SQL transformation in script mode can execute sql scripts containing individual select statements that return more than one record to the pipeline
B) The SQL transformation in query mode can execute multiple SQL statements where components of the SQL Statement can vary from one execution to the next
C) In PowerCenter 9 the SQL transformation, in query mode, can only be active
D) When you bind a parameter to an input port, you identify the port by name in the query. The SQL Editor encloses the name in exclamation question marks (!)

Question 38

From within your folder, is it possible to make a non-reusable copy of a reusable transformation for use in a mapping?

A) Yes, by dragging the reusable object into your mapping and unchecklng the Reusable checkbox
B) Yes' by first clicking the Ctrl key and then dragging the reusable object into the mapping
C) Yes, by first selecting the reusable object and while dragging the object into your mapping, hold the Ctrl key down
D) No

Question 39

Which command line tool would you use to import a workflow into a repository?

A) Infasetup
B) infacmd
C) pmcmd
D) pmrep

Question 40

Transformation: Referring to Active and Passive characteristics - Select the statement which is correct and true.

A) If a transformation's Active property is cleared or not enabled, the transformation becomes passive
B) A transformation is active if it does not change the number of rows in the pipeline
C) Transformations can be active and passive at the same time
D) A passive transformation will not change the number of rows in the pipeline

Question 41

When the Transformation Scope is set to All Input, which group of transformations listed below will always cause an upstream Transaction Control transformation to become ineffective? (choose one)

A) Filter, Joiner, Rank
B) Union, Filter, Aggregator
C) Rank, Lookup, Aggregator
D) Joiner, Rank, Sorter

Question 42

Please choose one of the following. In a static, non-multi-row lookup,

A) lf a lookup search does not find a value in the search data, then the row from which the search is produced is dropped so a balanced pipeline can be produced
B) If a lookup search finds the search value in the lookup data but discovers that the fields that are being returned from the search are null, then the row from which the search is produced is dropped so that a balanced pipeline can be produced
C) If the lookup finds two records that match the search key, it will return two records
D) None of the above

Question 43

How does a single joiner transformation join data?

A) From 2 pipeline inputs
B) From 3 pipeline inputs
C) From n number of pipeline inputs assuming you have purchased the N-Joiner Option
D) none of the above

Question 44

Given the picture shown below: How many columns would be selected from the database using PowerCenter's generated sql statement?

A) 2 - Due to the line on the left hand side of the picture
B) 13 - Based on all of the links entering the Source Qualifier
C) 3 - Based on the all of the links between the Source Qualifier and the next transformation
D) Unknown - We need to know how many columns the target has

Question 45

Assuming that the value of Fl is 12 as it enters the decode statement, which of the following decode statements will produce the value V?

A) Option A
B) Option B
C) Option C
D) Option D

Question 46

Given this picture of a PowerCenter Mapping and assuming there is no SQL override in the Source Qualifier: Identify all of the true and correct statements listed below.

A) This picture depicts a join that will be processed within the Informatica PowerCenter engine
B) This picture depicts a join that will be processed in a database
C) This picture depicts a SQL UNION operation
D) This picture depicts an Informatica Homogeneous Join

Question 47

Which of the following PowerCenter applications is browser-based in the Informatica 9.x environment?

A) Repository Manager
B) Informatica Administrator
C) Workflow Monitor
D) Workflow Manager

Question 48

The constant DD_INSERT may be used in an expression within which transformation or transformations? (choose one)

A) Expression and Update Strategy
B) Update Strategy
C) Update Strategy and Lookup
D) Expression, Aggregator, and Update Strategy

Question 49

A Router transformation has the following group filter conditions: Group A: InputValue = 2 Group B: InputValue > 1 Default group The InputValue Is an integer port. Identify which of the following statements is correct. (Choose one)

A) If InputValue = 2, the output will be routed to Group A only
B) If InputValue = 2, the output will be routed to both groups A and B
C) If InputValue = 2, the router will fail, since rows cannot be routed to multiple groups
D) Any positive number values other than 1 or 2 will be routed to the Default group

Question 50

In the TO_CHAR (date) function, what do the format strings D, DD, and DDD produce? (choose one)

A) Character day of week, character day of month, and character day of year respectively
B) Day of week, day of month, and Julian date since 4713 B.C. 00:00:00 (midnight) respectively
C) Each produces numerical day of week
D) Numerical day of week, day of month, and day of year respectively

Question 51

Subqueries can be used in the SQL override for uncached lookup transformations.

Question 52

Assuming that the Master Pipeline has 5 fields, two of which are part of the join condition and that all fields are connected downstream to the next transformation, how many fields are in the index and data cache files?

A) 5 fields are in the index cache and 3 are in the data cache
B) 3 fields are in the index cache and 2 fields are in the data cache
C) 2 fields are in the index cache and 3 fields are in the data cache
D) 2 fields are in the index and 5 fields are in the data cache

Question 53

The Informatics Date/Time datatype supports values up to which level? (choose one)

A) Picosecond
B) Microsecor|d
C) Nanosecond
D) Millisecond

Question 54

When using the Joiner transformation and assuming that you are not employing the Push Down Optimization feature, which statement is correct?

A) The data from the detail pipeline Is used to build the cache files used In the join process
B) The data from the master pipeline is used to build the cache files used in the join process
C) The cache files are built according to a sql override found on the Joiner Properties tab
D) The Joiner transformation uses the database to build the join result

Question 55

Referring to a lookup transformation: Which of the following statements are true and correct?

A) The caching of a flat file is optional if the data in the flat file is sorted
B) The lookup index cache file contains a searchable index of the records based on the lookup condition
C) When lookup caching is unchecked, PowerCenter will read from a locally stored cache file
D) The data cache contains all of the fields in the lookup transformation

Question 56

A workflow has a session task. Both workflow and session each have been assigned a different parameter file. Which value will be set for $$ParameterValue in the session when using the following two parameter files?" Workflow Parameter file: [Global]$$ ParameterValue=l [Session] $$ParameterValue=2 Session Parameter file: [Global]$$ ParameterValue=3 [Session] $$ParameterValue=4

A) 1
B) 2
C) 3
D) 4

Question 57

Which attributes of a reusable Expression transformation can be edited within the Mapping Designer workspace?

A) The transformation's name, one of its port's default values, the tracing level or a Metadata Extension
B) The transformation's name or the tracing level
C) The transformation's name, one of its port's default values or the tracing level
D) The transformation's name is the only attribute that can be changed

Question 58

Referring to Informatica Domain Architecture, select the statement which is correct and true.

A) A worker node does not use a service manager
B) The OS process that is running after the service manager is started is called pmserver
C) The service manager on node 1 will directly monitor services on node 1 and node 2. This is why it is called the gateway manager.
D) Nodes within a domain are identified by their name, a hostname and portnumber

Question 59

Of the statements below, which best describes the underlying process taken when a user connects to a PowerCenter Repository Service for the first time? For the puposes of this question, the PowerCenter Developer is the only PowerCenter client application running, there are 2 nodes in the domain, node 1 is a gateway node and node 2 is a worker node. The PowerCenter Repository Service is running on the worker node.

A) The user connects directly and immediately to the Repository Service
B) The user connects to the service manager of the gateway node, and after authentication and authorization, is re- Assigned to the Repository Service
C) The user connects to the service manager of the worker node that is running the Repository Service, is then authenticated, authorized, and connected to the PowerCenter Repository Service
D) The user first connects to the PowerCenter Integration Service and then after authentication and authorization, is connected to the PowerCenter Repository Service

Question 60

Which of the following is a reusable task available in workflow manager?

A) Decision
B) Assignment
C) Control
D) Command