Your customer is planning for a maximum-availability architecture at their data center to address
their planned downtime, unplanned downtime, and replication needs.
Consider these options:
– Instance, site recovery, and heterogeneous setup
– Inter-region and intra-region load balancing across replicated databases
– Fine-grained error investigation of incorrect results
– Integrated client and application failover
– Fastest and simplest database replication
Which four options would you recommend?
A.
Oracle GoldenGate
B.
Global Data Services
C.
Oracle Data Guard
D.
Data Recovery Advisor
E.
Oracle Flashback technology
F.
Oracle Advanced Queuing
Explanation:
Reference:
http://docs.oracle.com/cd/E16655_01/server.121/e17601/unplanned.htm#HAOVW11824
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Explained well in http://docs.oracle.com/cd/E16655_01/server.121/e17601/unplanned.htm#HAOVW11824
Follow – Table 4-1 Outage Types and Oracle High Availability Solutions for Unplanned Downtime in link
– Instance, site recovery, and heterogeneous setup = http://docs.oracle.com/database/121/HAOVW/unplanned.htm#BABHDCGI
or
http://www.oracle.com/technetwork/database/features/availability/maa-096107.html
– Inter-region and intra-region load balancing across replicated databases = 7.5.5 Global Data Services http://docs.oracle.com/database/121/HAOVW/architectures.htm#CHDHACGJ OR http://www.oracle.com/technetwork/database/availability/maximum-availability-wp-12c-1896116.pdf
– Fine-grained error investigation of incorrect results = Oracle Flashback Technology (MAA recommended)
– Integrated client and application failover = data guard or rac
– Fastest and simplest database replication =Oracle Data Guard (MAA recommended) and Oracle Application Failover solution
– Instance, site recovery, and heterogeneous setup = http://docs.oracle.com/database/121/HAOVW/unplanned.htm#BABHDCGI
– Instance, site recovery, and heterogeneous setup = GOLDEN GATE