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计算机考试 | Oracle认证考试

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单选题 Which new key architectural element introduced in WebLogic Server l2c should you take  advantage of when designing Disaster Recovery Centers with active - passive mode?()

A

MAN Clusters, because they would allow you to synchronously replicate state in low latency networks 

B

WAN Clusters, because they would allow you to asynchronously replicate state in nonlow latency networks.  

C

Transaction Log in the database, because you could avoid synchronizing two replication technologies (database and file)  

D

Data Guard, because it is the most effective way to replicate a state across locations

E

GoldenGate, because it is the most effective way to replicate a state across locations

多选题 Identify the three processes that customers can choose for patching WebLogic Server.()

A

Download patches from My Oracle Support and manage them using Smart Update.

B

Use Enterprise Manager to download patches from My Oracle Support and apply patches to WebLogic.

C

Download patches from My Oracle Support and manually modify the classpath of the application server (though it is not recommended).

D

Download patches from My Oracle Support and apply them using the WebLogic Admin Console.

E

Use the Admin Console to connect to My Oracle Support and download patches and then target them to the domain.

多选题 Which four service offerings are included in Oracle Public Cloud?()

A

 Database Service

B

 Data Service

C

 Java Service

D

 Security Service

E

 .NET Service

F

 SOA Service

多选题 Which four steps are involved to use Active Cache Dependency Injection in a WebLogic Java EE application?()

A

Deploy Active Cache shared library

B

Declare dependency on the shared library

C

Declare all dependency injection entries

D

Package tangosol-coherence-override.xml in modules classpath

E

Package coherence-cache-config.xml in modules classpath

单选题 What is the architectural benefit of keeping WebLogic Server transaction log in the database?()

A

Oracle does not allow replicating files between data centers, so keeping transaction log in database allows for replication.

B

Many transactions in WebLogic are database centric, so keeping log in database makes Two Phase Commit protocol possible.

C

It obviates the need to keep in sync two replication technologies (file and database) between  data centers. The single replication technology is used for frequently changing data.

D

Transaction log in a file system is extremely slow so it cannot be efficiently replicated.

多选题 Which three JVM options would you add to investigate performance issues in a Hot-Spot JVM?()

A

-xx:+PrintGCDetails

B

-xx:+PrintGCTimeStamps  

C

-xx:+HandlePromotionFailure

D

-verbose:gc

E

-server

单选题 In a Java EE messaging application, one MDB is consuming a lot of memory at high traffic.    What configuration should you use to prevent possible out-of-memory error at high traffic and at the same time not losing messages?()

A

Configure a Work Manager for the MDB with a Maximum Thread Constraint.

B

Configure a Work Manager for the MDB with a Minimum Thread Constraint.  

C

Configure a Work Manager for the MDB with a Maximum Thread Constraint and a Capacity  Constraint. 

D

Configure a Work Manager for the MDB with a Minimum Thread Constraint and a Capacity Constraint. 

E

Configure a Work Manager for the MDB with both a Maximum Thread Constraint and Minimum Thread Constraint.

多选题 Which three scenarios are true about Domains?()

A

Domains can be created using the Configuration Wizard.

B

Domains can be created using WLST.  

C

Domain configuration files are located in the WebLogic home directory.

D

Domains can be created based on a domain template.

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