SUN 310-502 310-015 310-090 310-081認証はIT業界にとても重要な地位があることがみんなが、たやすくその証本をとることはではありません。いまの市場にとてもよい問題集が探すことは難しいです。でも、IT-Passports.comにいつでも最新な問題を探すことができ、完璧な解説を楽に勉強することができます。
成功することが大変難しいと思っていますか。IT認定試験に合格するのは難しいと思いますか。今SUNの310-502 310-015 310-090 310-081認定試験のためにため息をつくのでしょうか。実際にはそれは全く不要です。IT認定試験はあなたの思い通りに神秘的なものではありません。我々は適当なツールを使用して成功することができます。適切なツールを選択する限り、成功することは正に朝飯前のことです。どんなツールが最高なのかを知りたいですか。いま教えてあげます。IT-Passports.comの310-502 310-015 310-090 310-081問題集が最高のツールです。この問題集には試験の優秀な過去問が集められ、しかも最新のシラバスに従って出題される可能性がある新しい問題も追加しました。これはあなたが一回で試験に合格することを保証できる問題集です。
成功の楽園にどうやって行きますか。ショートカットは一つしかないです。それはIT-Passports.comのSUNの310-502 310-015 310-090 310-081試験トレーニング資料を利用することです。これは全てのIT認証試験を受ける受験生のアドバイスです。IT-Passports.comのトレーニング資料を手に入れたら、あなたは成功への鍵を握るようになります。
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試験番号：310-502問題集
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試験番号：310-090問題集
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試験番号：310-081問題集
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「今の生活と仕事は我慢できない。他の仕事をやってみたい。」このような考えがありますか。しかし、どのようにより良い仕事を行うことができますか。ITが好きですか。ITを通して自分の実力を証明したいのですか。IT業界に従事したいなら、IT認定試験を受験して認証資格を取得することは必要になります。あなたが今しなければならないのは、広く認識された価値があるIT認定試験を受けることです。そうすれば、新たなキャリアへの扉を開くことができます。SUNの310-502 310-015 310-090 310-081認定試験というと、きっとわかっているでしょう。この資格を取得したら、新しい仕事を探す時、あなたが大きなヘルプを得ることができます。何ですか。自信を持っていないから310-502 310-015 310-090 310-081試験を受けるのは無理ですか。それは問題ではないですよ。あなたはIT-Passports.comの310-502 310-015 310-090 310-081問題集を利用することができますから。
IT-Passports.comのSUNの310-502 310-015 310-090 310-081試験トレーニング資料はIT認証試験を受ける人々の必需品です。このトレーニング資料を持っていたら、試験のために充分の準備をすることができます。そうしたら、試験に受かる信心も持つようになります。IT-Passports.comのSUNの310-502 310-015 310-090 310-081試験トレーニング資料は特別に受験生を対象として研究されたものです。インターネットでこんな高品質の資料を提供するサイトはIT-Passports.comしかないです。
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NO.1 Who must ensure that a bean's environment entries are set to meaningful values?
A. Deployer
B. Bean Provider
C. EJB Server Provider
D. System Administrator
E. Application Assembler
F. EJB Container Provider
Answer: A
SUN 310-090 310-090認証試験 310-090
NO.2 Which method from javax.ejb.EJBContext returns an object that allows a Bean Provider to demarcate
transactions?
A. begin()
B. getAutoCommit()
C. getTransaction()
D. beginTransaction()
E. getUserTransaction()
Answer: E
SUN問題集 310-090問題集 310-090認証試験 310-090 310-090認定資格
NO.3 Which statement is true about a session bean's lifecycle?
A. Session beans cannot receive re-entrant loopback calls.
B. A stateless session bean's home interface can have overloaded create methods.
C. Stateless session beans can implement javax.ejb.SessionSynchronization.
D. The EJB 2.0 container can make concurrent calls to any stateful session bean instance.
Answer: A
SUN 310-090問題集 310-090 310-090練習問題 310-090
NO.4 Which two are valid types for persistent fields in a CMP 2.0 entity bean? (Choose two.)
A. Java primitives
B. entity bean local interfaces
C. classes implementing java.io.Serializable
D. either java.util.Collection or java.util.Set
Answer: A C
SUN 310-090認定証 310-090認証試験 310-090参考書 310-090
NO.5 Which two must a Bean Provider supply for each enterprise bean in the deployment descriptor?
(Choose two.)
A. security roles
B. the JNDI name of the enterprise bean
C. the enterprise bean type: session, entity, or message-driven
D. the value of the transaction attributes for the home and component interface methods
E. the fully-qualified name of the class that implements the enterprise bean's business methods
Answer: C E
SUN参考書 310-090 310-090認証試験 310-090
NO.6 Given:
Which two elements must be included in the <resource-ref> tag? (Choose two.)
A. <res-type>
B. <res-ref-name>
C. <resource-env-ref>
D. <environment-resource>
Answer: A B
SUN練習問題 310-090 310-090 310-090
NO.7 Which is a feature of EJB 2.0?
A. It provides synchronous message handling through message driven beans.
B. It provides support for both local and remote client views for session beans.
C. It provides support for both local and remote client views for message driven beans.
D. It guarantees that all services represented by an object will have conversational state.
Answer: B
SUN 310-090 310-090認定証
NO.8 Label the methods according to whether the container ensures that the identity of the associated
entity object is available or unavailable to the instance during the method.
Answer:
NO.9 Click the Exhibit button.
All beans involved use container-managed transactions and all methods are marked as Required. At
runtime, methodB is unable to communicate with its resource and calls the setRollbackOnly method.
What is the result?
A. JMS message redelivery semantics will apply.
B. The rollback will propagate to the sender of the message.
C. The bean's onMessage method will reattempt the sequence.
D. Transactions started by the onMessage method will always commit.
Answer: A
SUN過去問 310-090 310-090認証試験 310-090認定証
NO.10 Which method can be found in BOTH the EJBHome and EJBLocalHome interface?
A. getHomeHandle()
B. getEJBMetaData()
C. remove(Handle handle)
D. remove(Object primaryKey)
Answer: D
SUN認証試験 310-090 310-090 310-090
NO.11 Which feature is mandatory for an EJB 2.0 compliant container?
A. JMX support
B. JVM co-resident JSPs
C. deferred database writes
D. lazy loading of entity bean data
E. client principal caller propagation
Answer: E
SUN認定証 310-090問題集 310-090過去問 310-090認証試験
NO.12 Which two are guaranteed to a Bean Provider using an EJB 2.0 container? (Choose two.)
A. access to the JCE API
B. access to JavaMail API
C. access to the JXTA API
D. access to the JAXP API
Answer: B D
SUN過去問 310-090 310-090認定試験
NO.13 Which two actions could adversely affect the portability of an EJB 2.0 bean? (Choose two.)
A. changing a thread's priority
B. directly reading or writing a file descriptor
C. using java.net.Socket to be a network client
D. demarcating a transaction in a stateless session bean
E. using bean-managed transactions in a message-driven bean
Answer: A B
SUN練習問題 310-090認定資格 310-090
NO.14 What are two programming restrictions in the EJB 2.0 specification? (Choose two.)
A. An enterprise bean must not declare static fields as final .
B. An enterprise bean must not attempt to load a native library.
C. An enterprise bean must not attempt to create a new security manager.
D. An enterprise bean must not propagate a RuntimeException to the container.
E. An enterprise bean must not attempt to obtain a javax.naming.InitialContext .
Answer: B C
SUN 310-090 310-090 310-090過去問
NO.15 Which statement about EJB QL is true?
A. An EJB QL query must contain the ORDER BY clause.
B. An EJB QL query is statically defined in the ejb-jar.xml deployment descriptor.
C. Duplicate values are always removed from EJB QL query results by the container.
D. It is legal to use an input parameter in the FROM clause or the SELECT clause of an EJB QL query.
Answer: B
SUN認定証 310-090 310-090過去問
NO.16 Which accurately describes a characteristic of EJB 2.0?
A. EJB 2.0 is an example of a web-based component model.
B. EJB 2.0 components must be directly accessible via HTTP.
C. EJB 2.0 is an example of a component model for GUI applications.
D. EJB 2.0 applications can link to legacy systems using a J2EE connector.
Answer: D
SUN認定資格 310-090 310-090
NO.17 Which two must a Bean Provider avoid in an enterprise bean to ensure that the bean is portable to
any compliant EJB 2.0 container? (Choose two.)
(Assume that all reference variables have been correctly and legally initialized.)
A. java.sql.Connection c = aDataSource.getConnection();
B. java.security.Principal p = context.getCallerPrincipal();
C. QueueSession q = aQueueConnection.createQueueSession(true, 0);
D. Object o = new Object();
Object o2 = o.getClass().getClassLoader();
E. java.io.FileInputStream fs = new java.io.FileInputStream("MyFile");
Answer: D E
SUN認定資格 310-090参考書 310-090認証試験 310-090認証試験 310-090認定資格
NO.18 What two statements are true about EJB 2.0 container crashes? (Choose two.)
A. Entities will survive.
B. An entity bean's primary key will survive.
C. Message-driven bean instances will survive.
D. Stateful session bean instances will survive.
E. Crashes are guaranteed to be transparent to clients using entity beans.
Answer: A B
SUN 310-090 310-090 310-090認定資格 310-090認定資格
NO.19 Which two statements about a client's reference to a session bean's remote home interface are true?
(Choose two.)
A. The reference can be passed as a method argument.
B. The reference provides the client with the IP address of the bean instance.
C. The reference provides the client with access to at least one create method.
D. A new home reference must be obtained for each new reference to a remote component interface.
Answer: A C
SUN 310-090問題集 310-090認証試験 310-090認証試験
NO.20 What is true about using java.net.Socket and java.net.ServerSocket within session bean business
methods?
A. Both classes can be used.
B. Neither class can be used.
C. Of the two classes, only java.net.Socket can be used.
D. Of the two classes, only java.net.ServerSocket can be used.
Answer: C
SUN認証試験 310-090過去問 310-090問題集 310-090認定資格
NO.21 Given:
Which EJB role is responsible for supplying this information?
A. Deployer
B. Bean Provider
C. Container Provider
D. System Administrator
E. Application Assembler
Answer: E
SUN 310-090 310-090練習問題
NO.22 Which two statements are true? (Choose two.)
A. The EJB container must not allow the same enterprise bean to be deployed multiple times.
B. The EJB container must allow IIOP invocations on remote component and home interfaces.
C. The EJB container is not required to support publishing home references in a CORBA CosNaming
service.
D. The EJB container must implement the resource manager connection factory classes for resource
managers configured with the container.
E. The EJB container must allow enterprise beans deployed in the same enterprise archive to access one
another directly without having to go through home or remote interfaces.
Answer: B D
SUN認定試験 310-090問題集 310-090 310-090
NO.23 Which is a Bean Provider's security-related responsibility?
A. assigns principals to roles in the application server
B. declares the role-link element in the deployment descriptor
C. declares the security-role element in the deployment descriptor
D. declares the security-role-ref element in the deployment descriptor
Answer: D
SUN 310-090 310-090
NO.24 Which exception can be thrown by the findByPrimaryKey method of a remotely called entity bean using
container-managed persistence?
A. javax.ejb.EJBException
B. javax.ejb.DuplicateKeyException
C. javax.ejb.NoSuchEntityException
D. javax.ejb.ObjectNotFoundException
Answer: D
SUN参考書 310-090 310-090認定資格
NO.25 Which is a capability guaranteed by all EJB 2.0 containers?
A. JTA support
B. server failover
C. load balancing
D. servlet support
E. server clustering
Answer: A
SUN認証試験 310-090参考書 310-090認証試験 310-090過去問 310-090過去問
NO.26 Which two APIs are provided to the Bean Provider by an EJB 2.0 container? (Choose two.)
A. JTA
B. JMX
C. JSP
D. JDO
E. JAXP
Answer: A E
SUN認定試験 310-090練習問題 310-090 310-090認証試験 310-090認定試験 310-090認証試験
NO.27 Place the expertise on its associated EJB role.
Answer:
NO.28 Which two are required to properly implement a CMP entity bean class? (Choose two.)
A. Declare variables for all persistent fields.
B. Provide constructors to initialize the CMP fields.
C. Do not implement the ejbFind<METHOD> methods.
D. Provide implementation code for get and set methods to store and retrieve the persistent fields.
E. Implement ejbCreate<METHOD> methods for all home interface create<METHOD> methods.
Answer: C E
SUN 310-090 310-090参考書
NO.29 Which two must be in an ejb-jar file, either by inclusion or reference? (Choose two.)
A. an enterprise archive (.ear) file
B. a deployment descriptor in the format defined by the EJB 2.0 specification
C. the class files for the classes that implement the home and remote interfaces
D. the class files for the interfaces and superinterfaces used by the bean, except J2SE or J2EE interfaces
E. the class files for the stub classes of the EJBHome andEJBObject interfaces, if remote interfaces are
deployed for the bean
Answer: B D
SUN 310-090問題集 310-090参考書 310-090 310-090
NO.30 Which transaction attribute may cause a javax.transaction.TransactionRequiredException to be
thrown?
A. Required
B. Supports
C. Mandatory
D. RequiresNew
Answer: C
SUN認定試験 310-090 310-090
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