You are editing the configuration file. Which statement is true about file system efficiency?
A. Creating scratch disk spaces on an internal disk rather than on an NFS drive improves sort performance.
B. For the resource disk, it is best to use the partition where the engine is installed.
C. Using multiple scratch spaces in a logical node improves performance.
D. In a clustered environment where NAS is used for a common storage, you must specify the internal disk for scratch disk.
正解:A
質問 2:
The derivation for a stage variable is: Upcase(input_column1) : ' ' : Upcase(input_column2). Suppose that input_column1 contains a NULL value. Assume the legacy NULL processing option is turned off. Which behavior is expected?
A. The job aborts.
B. The input row is either dropped or rejected depending on whether the Transformer has a reject link.
C. The target stage variable is populated with spaces or zeros depending on the stage variable data type.
D. NULL is written to the target stage variable.
正解:D
質問 3:
A job using a one-node configuration file writes to a target Sequential File stage. The target Sequential File stage has been set to write to three different sequential files. How many instances of the Sequential File stage will run in parallel?
A. The job will abort, because a configuration file with at least three nodes is required.
B. One.
C. Two.
D. Three.
正解:D
質問 4:
What are the two Transfer Protocol Transfer Mode property options for the FTP Enterprise stage? (Choose two.)
A. SFTP
B. TFTP
C. RFTP
D. FTP
E. EFTP
正解:A,D
質問 5:
You are responsible for deploying objects into your customers production environment. To ensure the stability of the production system the customer does not permit compilers on production machines. They have also protected the project and only development machines have the required compiler. What option will enable jobs with a parallel transformer to execute in the customers production machines?
A. Add $APT_COMPILE_OPT=-portable
B. Use protected projects in the production environment.
C. Create a package with Information Server Manager and select the option to include executables.
D. Set $APT_COPY_TRANSFORM_OPERATOR
正解:C
質問 6:
What two binding types are supported by Information Services Director (ISD) for a parallel job that is designed to be used as a service? (Choose two.)
A. SQL
B. SOAP
C. STREAMS
D. EJB
E. HDFS
正解:B,D
金子** -
無駄なく効率よくA2090-303を学べるとおもう。無事合格できました。