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QCM - Section 8: out (Partie 3)

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#java #javascript

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  • 1. Lisez chaque question attentivement
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Quiz: QCM - Section 8: out (Partie 3)

5 questions | Difficulté: moyen

Question 1

Where is Java typically installed on Fedora?

  • A. /usr/java
  • B. /usr/lib/jvm
  • C. /etc/alternatives/java
  • D. /dev/null
Voir la réponse

Réponse correcte: B

On Fedora, the default location for Java installation is ‘/usr/lib/jvm’.

Question 2

What tool in a typical JRE allows you to run the Nashorn Javascript engine?

  • A. java
  • B. jjs
  • C. keytool
  • D. pack200
Voir la réponse

Réponse correcte: B

The ‘jjs’ command is used for running the Nashorn Javascript engine.

Question 3

What does the Java Development Kit (JDK) distribution include that a Java Runtime Environment (JRE) does not?

  • A. The javac command
  • B. JavaFX
  • C. The java command
  • D. The policytool command
Voir la réponse

Réponse correcte: A

The JDK distribution includes the ‘javac’ command, which compiles J files.

Question 4

How can you find the installation directory of Java if you are having difficulty locating it?

  • A. ls -l /usr/java
  • B. find / -name java -type f
  • C. locate java
  • D. rm /usr/java
Voir la réponse

Réponse correcte: B

You can use the ‘find’ command to find files called ‘java’ on your system.

Question 5

Which of the following commands supports Java CORBA and RMI applications?

  • A. orbd
  • B. rmid
  • C. rmiregistry
  • D. tnameserv
Voir la réponse

Réponse correcte: C

The ‘rmid’ command supports Java CORBA and RMI applications.