TheXYZ Company's failover recovery strategy requires a backup site; however, they do not have a constant or uninterrupted communication link to that site. What type of high availability configuration should be used?
A. Continuous Log Restore (CLR) with backup and recovery
B. Two Shared Disk Secondary (SDS) servers with hardware disk mirroring
C. A High Availability Data Replication (HDR) secondary server running in SYNC mode
D. Enterprise Replication (ER)
正解:A
質問 2:
In which case would an Enterprise Replication (ER) solution be needed over a High Availability Cluster?
A. The Linux operating system is being used.
B. Data is being replicated between more than two locations.
C. An entire database needs to be replicated.
D. Servers are running different versions of Informix.
正解:D
質問 3:
What is an advantage of using a SPL routine?
A. Increased network utilization since more data is passed between client and server.
B. Increased efficiency since business logic can be centrally maintained and managed on the server.
C. Increased performance because additional indexes can be selected by the optimizer for
complex queries.
D. Increased security because SPL routines can only be invoked by Java applications.
正解:B
質問 4:
What is the smallest unit ofphysical I/O in an Informix server?
A. Chunk
B. Dbspace
C. Page
D. Extent
正解:C