Sun 310-051: Sun Certified Enterprise Architect for J2EE Technology
#1. Your company's employee assistance program (EAP) application is now required to be deployed on the Web. The following are characteristics and requirements of the new system: * The UI is an off-the-shelf, unsigned terminal-emulator applet. * The applet communicates with a terminal server using a proprietary TCP/IP-based protocol. * The terminal server sits behind the corporate firewall and listens on port 10001. * The only configurable items for the applet are the host IP and port of the terminal server. * You company's firewall only allows traffic through on port 80 for HTTP and port 443 for HTTPS. Problem: The applet is unable to communicate through the firewall. Which two statements about this architecture are false? (Choose two)
#2. Exhibit: The current architecture consists of one Web server, three application servers, and a database. The new architecture will add more Web servers. Which two statements about the new architecture are false? (Choose two)
#7. Your supply chain software currently runs a standalone application which communicates to the backend services using IIOP. The new requirements for the software are: * The client software must run as an applet. * The user's firewall will only allow port 80 and 443 traffic through its firewall. * All the backend services will be CORBA-based. * A Web server sits in front of the COBRA services. * The backend Web server runs on port 80 and 443. Which two solutions support the new requirements? (Choose two)
#10. Exhibit: The exhibit shows the communication between four EJBs. Which two changes to the existing architecture will increase performance? (Choose two)
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