You want to use te Coherence Java APIs to directly cached POJOs. Consider this snippet of code：
NamedCache cache - CacheFactory.getCache（"mycache"）； 
cache.put（new Integer（I）f "hello"）；
cache.put（T，"hi"）； 
cache.put（new Long（II），"hey"）； 
This code inserts three objects into the cache. 
Why ？（）

单项选择题Identifyarchitecturallywhereinanapplication，Coherencestackwillbeused（）

A. coherence resides locally on the machines of all remote application users
B. coherence resides between remote users and the Web tier
C. coherence resides between the Web tier and application tier
D. coherence resides between the application tier and data tier

多项选择题WhichtwostatementsaretrueaboutOracleActiveCache？（）

A. it supports very large data-sets such as the result-sets from large search queries to be held in memory
B. it provides a set of management tools that enables automation of configuration
C. it provides enhanced visibility across the entire application infrastructure
D. it significantly increases the performance of Web-based applications with no code change

单项选择题Ataruntime，eachOracleWeblogicServerinstanceinagivendomaincreatesanin-memoryrepresentationoftheconfigurationdescribedinthisdocument（）

A. mds-mbeans.xml
B. config.xml
C. policy.xml
D. data.xml

多项选择题Namethreeattributesusedtoconfigureamulti-datasourceinOracleWebLogic（）

A. Statement Cache Type
B. Logging Last Resource
C. Algorithm Type
D. Failover Request if Busy
E. JNDI Name

单项选择题WhichOracleWebLogicServerfeaturewouldyourecommendtoyourclientstoenableastand-alonemessageproducer，oragroupofproducersactingasonewithrespecttotheprocessingorder？（）

A. Connecting Factory
B. Message Bridge
C. Unit-of-Order
D. Store-and-Forward