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QUESTION NO:17
Which is a function of the Linux-HA heartbeat?
A. Performs regeneration of failed disks on the hosts.
B. Manages communication and processes on the S-Blades.
C. Performs disk partitioning and status of jobs on the S-Blades.
D. Manages communication and status of services on the hosts.
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
High-Availability Linux (also referred to as Linux-HA) provides the failover capabilities from a primary or
active Netezza host to a secondary or standby Netezza host. The main cluster management daemon in the
Linux-HA solution is called Heartbeat.
Heartbeat watches the hosts and manages the communication and status checks of services. Each
service is a resource. Netezza groups the Netezza-specific services into the nps resource group. When
Heartbeat detects problems that imply a host failure condition or loss of service to the Netezza users,
Heartbeat can initiate a failover to the standby host.
QUESTION NO:9
Which statement is true?
A. MATERIALIZED VIEWS can be run against EXTERNAL tables
B. GENERATE STATISTICS can be run against EXTERNAL tables.
C. EXTERNAL table data is deleted using the SQL DELETE command.
D. EXTERNAL tables can be used to unload data to a Microsoft Windows directory.
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
An EXTERNAL TABLE is a data file on disk that supports a schema definition, unload data to a external
disk file and can be further processed using nzsql SQL. External tables provide e functionality to unload
database table data to an external disk file or load data from an external disk file into a database table.
B
You cannot specify an external, temporary, system, or a clustered base table (CBT) as a
base table for the view.
QUESTION NO:1
A SELECT statement spends all its time returning 1 billion rows. What can be done to make this faster?
A. Use a CURSOR
B. Use an EXTERNAL TABLE
C. Use the COPY command
D. Increase PreFetch Count
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
Use an EXTERNAL TABLE
CREATE EXTERNAL TABLE
[SAMEAS table_name]|([column_name [,…]]) USING (DATAOBJECT ()
USING (DATAOBJECT (\’/tmp/customer.unl\’) DELIMITER \’|\’);
–load data to Ext table
INSERT INTO customer_ext SELECT * FROM customer;
QUESTION NO:19
Which condition will NOT fail or restart a running query on a PureData System for Analytics Appliance?
A. Disk resets or fails.
B. Host resets or fails.
C. S-Blade resets or fails.
D. Snippet Processing Unit (SPU) resets or fails.
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION NO:5
Which is NOT a function that can be performed by nzbackup?
A. Backup data
B. Backup schemas
C. Backup users/groups
D. Backup the /nz/data directory
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION NO:14
Which statement describes administrative privileges?
A. Provides audit functionality for the database.
B. Manages resource allocations for concurrent processing.
C. Gives permission to execute global operations and to create objects.
D. Gives additional storage to select members of the administrator group.
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION NO:11
Given a plan ID, how would you obtain the query execution plan? (Choose two.)
A. Turn ODBC tracing ON.
B. Issue “SELECT * FROM _V_SESSION;”
C. Go to the query history within the Windows NzAdmin GUI tool.
D. Run EXECUTION PLAN before the query has been submitted.
E. Issue “SHOW PLANFILE ;” after the query has been submitted.
Correct Answer: CE
Section: (none)
Explanation
Explanation/Reference:
_V_SESSION provides the following information:
ID, PID, UserName, Database, ConnectTime, ConnStatus, and LastCommand
and it DOES NOT provide query execution plan
QUESTION NO:7
Name the CLI application that allows you to load data from ASCII files to database tables?
A. nzload
B. loadmgr
C. nzimport
D. nzrestore
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION NO:3
nzbackup/nzrestore with the -user option has been replaced with which option to allow multi-level security
(MLS) information, such as categories, cohorts, and levels to be backed up/restored?
A. -all
B. -mls
C. -users
D. -globals
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
-globals
Backs up all users, groups, and global permissions. The command also backs up multi-level security
objects such as categories, cohorts, and levels
QUESTION NO:18
Which High-Availability (HA) mechanism is used by the PureData System for Analytics Appliance?
A. AIX-HA
B. Linux-HA
C. SuSE-HA
D. Solaris-HA
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
The Netezza high availability (HA) solution uses Linux-HA and Distributed Replicated Block Device
(DRBD) as the foundation for cluster management and data mirroring.
The host server (often referred to as host within the documentation) is a Linux server that runs the Netezza
software and utilities
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