Testlets |
| 1. You are designing an application that displays information on publicly traded stocks. You want the information to include the latest closing price, the price change, and the 52-week high. Which control should you use to display this information? |
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A. list box B. tree view control C. list view control D. multiple-row text box |
| 2. You are designing a distributed application that will run on Microsoft NT. You want your client application to communicate with another component that is hosted on a computer running Windows NT Server 4.0 or later. All client computers and servers are on the same network. You want to expend the least amount of development effort. Which technology should you use for application-to-application communication? |
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A. named pipes B. remote procedure call(RPC) C. mailslots D. Dynamic Data Exchange(DDE) E. distributed COM(DCOM) |
| 3. You are designing a business object. You want the business object to abstract an existing patient-tracking database. The database includes a Patients table and a Doctors table. There is also a PatientDoctors junction table that tracks which patients have visited which Doctors.
Which object design best represent the information stored in the database? |
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A. a Patients collection of Patient objects that each contain a Doctors collection of Doctor objects, and a Doctors collection of Doctor objects that each contain a Patients collection of Patients objects B. a Patients collection of Patient objects that each contain a single PatientDoctor object, and a Doctors collection of Doctor objects that each contain a single PatientDoctor object C. a Patients collection of Patient objects that each contain a single Doctor object, and a Doctors collection of Doctor objects that each contain a single Patient object D. a Patients collection of Patient objects that each contain a PatientDoctors collection of PatientDoctor objects, and a Doctors collection of Doctor objects that each contain a PatientDoctors collection of PatientDoctor objects |
| 4. You program a web-based application, which has to access a SQL Server. It has to be accessed from any browser. The HTML is to be produced by ASP. What technology do you use for data-base access? |
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A. ADO B. RDO C. RDS D. ISAPI E. DAO |
| 5. You are to program an automaton component for an insurance company containing statistical functions. How would you implement it for maximum performance? |
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A. In-process remotely B. In-process locally C. out-of-process remotely D. out-of-process locally |
| 6. You program a wizard-type application that allows users to design HTML pages. How would you implement it? |
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A. SDI B. MDI C. Dialog-box D. Tabbed dialog-box |
| 7. You have an application that will store data in an Access DB and a SQL-Server DB. Which is the best data model to employ for easy maintenance? |
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A. DAO B. DB Library C. ADO D. DAO and ADO combination |
| 8. You are developing an application that performs 2 complex calculations. How should you implement the system for the best performance? |
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A. Single Processor, Single Threaded B. Single Processor, Multithreaded C. Multiprocessor, Single Threaded D. Multiprocessor, Multithreaded |
| 9. You are developing direct mail app with a database that contains the mail recipients. The database does not change frequently. Business rules do change frequently. There will be three different applications that use the data. How best to set up this system? |
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A. Database, business rules, UI on client. B. DB, rules on server and UI on client C. DB on server and rules, UI on client D. UI on client, rules on one server, db on another server. |
| 10. A user has about 20 exclusive options to select , what user interface to use? |
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A. Drop-down list B. Multi-select list C. 20 grouped checkboxes D. 20 grouped option-buttons |
| 11. You write a application for 2 to 200 clients with VB, with database access method should you use to simplify codding ? |
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A. ADO with DBLIB to access SQL B. DAO with DBLIB to access SQL C. ADO Only D. DAO and RDO |
| 12. You need a secure site for an online magazine. Users should have acces throught a secure connection, what security mechanism should you use ? |
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A. NT Chalenge Response B. SSL C. Digital Signing D. Basic Authentication |
| 13. Lanhoo has added features to an ActiveX control that is used by a networked client application to access data on the company Intranet. How can Lanhoo ensure backward compatibility between the client application and the modified control? |
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A. Creating a new Interface and assigning it a new Interface ID that exposes all features B. Creating a new Interface and assigning it a different Class ID that exposes only the new features C. Creating a new Interface and assigning it the same Interface ID that exposes both the old and the new features D. Creating a new Interface and assigning it the same Class ID that exposes only the new features |
| 14. Which of the following are attributes of a normalized database? |
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A. A table has Non-key attributes dependant on non-key attributes B. A table has repeating groups C. A table has multi-value columns D. A table has all non-key columns dependant on the primary key E. A table has a primary key dependant on other columns |
| 15. A system expects to be deployed for 100 users but within a year will be deployed to 5000 users. What will be most affected by the increase in users? |
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A. Extensibility B. Securability C. Availability D. Scalability E. Maintainability |
| 16. Choi is designing a wizard to automatically generate Entity Relationship Diagrams. What type of interface should be used? |
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A. Design the wizard using a different secondary window for each wizard page B. Design the wizard using a single secondary window for each wizard page C. Design the wizard using a different primary window for each wizard page D. Design the wizard using a single secondary window for all wizard pages |