Course Teacher: High Hatrix Hub
Language: English
Description:
Pattern Questions
Q)You might be architecting the layers for a posh n-tier net software. Which two pairs of applied sciences do NOT exhibit direct dependencies? (Select two.)
a)EJB to RMI
b) Linux to JDBC
c) HTML to Firefox
d) SunFire E20k server to Java EE
Q) You might be architecting a posh multi-tiered net software. Inside every tier you have got designed layers, the bottom being the {hardware} layer and the best being the appliance layer. Which assertion is true?
a) Typically, a given layer in a single tier of this software must be involved with the expertise utilized in the identical layer of adjoining tiers.
b) To maximise separation of issues, a given layer in a tier of this software ought to solely have information of the adjoining layer in that tier.
c) For any given tier, separation of issues is fulfilled when a given layer in that tier is aware of or must know little or nothing of the layers beneath it.
d) If the layers in a single tier of the appliance have been designed to realize separation of issues, then the remaining tiers additionally obtain separation of issues by default.
Q) You’re the architect on a challenge to construct a bridge between the legacy customer support instrument, an outdated VT100 terminal server, and an organization’s new Java EE net software. You do NOT have entry to the terminal server and can’t deploy any code to it. Which strategy do you have to use to combine the methods?
a) use a DAO wrapped round a JDBC connection to question the legacy system
b) deploy a CORBA server to the legacy system and use RMI-over-IIOP to speak to it
c) develop a session bean that wraps a screen-scraping instrument to work together with the legacy system
d) develop an internet services-based service and use XML to speak with the terminal server
Q) What are two traits of object-oriented design? (Select two.)
a) scalability
b) manageability
c) encapsulation
d) polymorphism
Q) Safety restrictions in a use-case require that the conduct of an EJB enterprise technique range in keeping with the function of the person. How ought to this be achieved?
a) The deployment descriptor is written utilizing the roles decided by the programmer.
b) The programmer determines a task reference and makes use of it within the code. That is mapped to a task within the deployment descriptor.
c) The enterprise technique determines the function of the person utilizing JNDI and configuration data within the deployment descriptor.
d) The enterprise technique determines the function of the person utilizing JAAS and configuration data within the deployment descriptor.
Who this course is for:
- Those that need to get information on Certification & Verify your Ability Take a look at whereas attend this Observe Take a look at
