Free Oracle 1Z0-850 Exam Dumps Questions & Answers

Which two are true? (Choose two.)

• A.Multiplicity indicators are optional, but if they are included they must be shown at both ends of an association.
• B.An optional association is shown using the multiplicity indicator 0..1.
• C.2..4 is a valid multiplicity indicator.
• D.The multiplicity indicators * and 1..* are equivalent.
• E.The multiplicity indicators + and 1..* are equivalent.
• F.Multiplicity indicators must always be shown at both ends of an association.

Which Java technology provides a unified interface to multiple naming and directory services?

• A.JNDI
• B.JavaMail
• C.EJB
• D.JNI
• E.JDBC

Which two technologies are used for processing HTTP requests and mapping those requests to business objects? (Choose two.)

• A.servlets
• B.EJB
• C.JMS
• D.web services

Given:
1 . class Test {
2 . public static void main(String args[]) {
3 . String str = "Hello!";
4 . String str2 = "Bye!";
5 . str += str2;
6 . str -= str2;
7 .
8 . if ( str == str2 ) {
9 . System.out.println("str = str2");
1 0. } else {
1 1. System.out.println("str != str2");
1 2. }
1 3. }
1 4. }
What is the result?

• A.str != str2
• B.str = str2
• C.Compilation fails.
• D.The code runs with no output.

What is the definition of the acronym SQL?

• A.Structured Query Language
• B.System Query Language
• C.System Queue Language
• D.Structured Queue Language
• E.Special Query Language
• F.Special Queue Language