CSCI 370: Sample Midterm

Q2) Functional vs Non-Functional refers to

(a) Prototype

(b) Requirements

(c) Testing

(d) Architecture

(e) Maintenance

Q5) Benefits of using cloud software.

(a) No need for maintenance (for clients)

(b) Availability

(c) Scalability

(d) Less staff required

(e) All the above

Q8) The Strategy pattern replaces inheritance with __________________

Q11)

public class Geometry {
    int area(int height, int width) {
        return height * width;
    }
 
    int volume(int height, int width, int depth) {
        int area = height * width;
        return area * depth;
    }
}

The above code violates:

(a) YAGNI

(b) DRY

(c) Dependency Inversion

(d) Liskov Substitution

(e) Single Responsibility

Q14) Which of the following are true? (Note: More than one can be true.)

public class MedicalRecord {
    public Database database;
 
    public MedicalRecord(Database database) {
        this.database = database;
    }
}

(a) MedicalRecord and Database have an IS-A relationship

(b) MedicalRecord composes the Database object

(c) Database is encapsulated

(d) MedicalRecord is dependent on Database

(e) MedicalRecord and Database have a HAS-A relationship

Q17) Which of these do not involve incremental development.

(1) Xtreme Programming

(2) Agile

(3) Scrum

(4) Software Reuse

(5) Iterative development

Q20) Which Design Pattern uses the principle, Open for Extension Closed for Modification?

(1) Observer

(2) Strategy

(3) All the above

(4) None of the above

Q23) Challenges facing software engineers.

(1) New technologies

(2) Reduced delivery times

(3) Developing trustworthy software

(4) Global Competition

(5) All the above

Q26)

public interface Bank {
    void borrow();
}
 
public class BankOfFrance implements Bank {
    public void borrow() {}
}
 
public class BankOfSpain implements Bank {
    public void borrow() {}
}
 
public class FinancialInstitutions {
    List<BankOfFrance> frenchBanks = new ArrayList<>();
    List<BankOfSpain> spanishBanks = new ArrayList<>();
 
    public void borrowFromBanks() {
        for(BankOfFrance b : frenchBanks)
            b.borrow();
 
        for(BankOfSpain b : spanishBanks)
            b.borrow();
    }
}

Which of the following is true?

(1) FinancialInstitutions class is using Inheritance

(2) FinancialInstitutions class should use composition

(3) BankOfFrance should use extends rather than implements

(4) FinancialInstitutions is closed for modification

(5) FinancialInstitutions should use the Observer pattern

Q32) Regarding the singleton pattern, the following is true:

(a) Only one instance of an object

(b) Protects access to global object

(c) Object can be created first time it is used

(d) Object can be created when program starts or at runtime

(e) All the above

Q38) The following is true about incremental development…

(1) Customer involvement is not recommended

(2) All requirements are determined before coding

(3) Easy to make modifications (change requirements)

(4) Code does not need refactoring

(5) Only testing done is unit testing

Q41) Software specification, software development, __________________, software evolution. Which step is missing?

Q44) Software for the following are usually developed using different process models:

(1) refrigerator software and medical software

(2) airplane software and medical software

(3) game software and medical software

(4) Scalable software and software that can handle unlimited users

(5) your web site with Amazon checkout and using 3rd party graphics library for your game software

Q47)

(a) Feasibility

(b) Requirements

(c) Design

(d) Development

(e) Testing

These steps should be performed in the following order:

(1) A), B), C), D), E)

(2) D), B), C), A), E)

(3) A), C), D), B), E)

(4) Any order is OK

(5) B), C), D), E), A)

Q50) The following type of software can possibly be reused for many different projects:

(1) System

(2) Object

(3) Component

(4) Web service

(5) All the above

Q56) Which process model is represented by the image below?

(1) WaterFall

(2) V Model

(3) Incremental model

(4) Re-Use Model

(5) Step model

Q59) RE UL: The image below represents:

Q65) Which process model is represented by the image below?

(1) Association

(2) Abstraction

(3) Encapsulation

(4) Polymorphism

(5) Inheritance

Q68) Which class below is the optimal way to design code?

public interface IDatabase {}
 
// Line 1:
public class Accounting extends Database {}
 
// Line 2:
public class Accounting implements IDatabase {}
 
// Line 3:
public class Accounting {
    IDatabase database;
}
 
// Line 4:
public class Accounting {
    Database database;
}
 
// Line 5:
public class Accounting {
    Object database;
}

Q71) I am concerned over the large turnover of staff. I am concerned about my software being:

(1) Dependable – work w/out crashing

(2) Usable – easy to use

(3) Scalable – can grow with demand

(4) Efficient – won’t waste computer resources

(5) Maintainable – easy to fix

Q74) Degree necessary to be a software engineer:

(1) Computer Science

(2) Computer Science and Management

(3) Information Technology

(4) Computer Science and Hardware

(5) None of the above

Q77) Regarding the following:

(a) Testing

(b) Operational manual

(c) Java Code

(d) Requirements Document

(e) Technical Documentation

(f) Financing

Which of the following is true?

(1) Only (a)(b)(c)(d)(e) are part of a software project

(2) Only (a)(b)(c) are part of a software project

(3) Only (c) is part of a software project

(4) All must be written by software developers

(5) All must be written by technical writers

Q80) Which process model requires Software Discovery?

(1) Discovery model

(2) Software model

(3) Iterative model

(4) V model

(5) Re-use model