1Z0-807 무료 덤프문제 온라인 액세스

Which two security threats are negated by encrypting network transactions with Transport Layer Security (TLS)?

• A.Denial of service
• B.SQL injection
• C.Cross-site scripting
• D.Session hijacking
• E.Man in the middle

Which two functions are essential parts of a service oriented architecture (SOA) infrastructure?

• A.The service broker, which delivers well-defined service-level agreements
• B.The service provider, which executes business logic in a stateless fashion
• C.The service repository, which stores software component metadata
• D.The service consumer, which accesses services from the service repository
• E.The service look-up facility, which provides a central resource for naming and access

Your company is creating a Java EE corporate wide workflow system in which significant internal business events are consumed by multiple applications. Due to multi-year development plans, many of these applications do not exist yet, even at the design stage. IT has defined standard data formats for these events in the form of small XML documents. Also, the rules for how an application filters and processes events are not fixed In advance and can change over the life of the application.
Which combination of technologies is best for distributing and consuming these events throughout the company?

• A.Relational database and JDBC
• B.Remote Method Invocation (RMI) and stateless session beans
• C.JMS queues and message-driven beans
• D.HTTP client library and servlets
• E.Java Message Service (JMS)topicsand message-driven beans

Your company has been using the ACME database vendor for many years. Recently, it started considering a migration to the XYZ database vendor, who uses different SQL dialect. The SQL engines in ACME and XYZ have significant differences in performance when executing the same SQL queries?
Which is the best persistence technology for database migration?

• A.JDBC
• B.JPA
• C.CMP entity bean
• D.JDBC row set XML serialization

Which two are objectives of the Abstract Factory pattern?

• A.To create whole-part hierarchies
• B.To create families of related objects
• C.To enforce dependencies between concrete classes
• D.To specify the types of objects to create by using a sample instance
• E.To separate the construction of a complex object from its representation