Which of the following best describes composition

A class that cannot exist without a dependent class

Data structure where insert & delete takes place at one end.

What might be the purpose of this algorithm?

Check user logged in or valid cookie if not redirect.

Which of the following actions will contribute towards addressing this?

Ensure authorisation mechanism complies with corp matrix

Which of the following are characteristics of an algorithm?

Precision, Finiteness and Speed.

Which of the following best describes Aggregation?

A class that can exist separately without another class, A class that is dependent on another class

Which of the following can Decomposition be applied to?

Design diagrams, Code functions and Design components

Select the answer that CORRECTLY describes the statement and the reason

Statement & reason true & reason does not explain statement

What is the purpose of software design?

To problem solve and plan a software solution.

Which of the following is CORRECT when storing analogue sourced data on a digital computer?

Analogue converted to binary as approx representation source

Select the answer that CORRECTLY describes the statement and the reason.

Statement & reason true & reason does not explain statement.

What would be the MAIN benefit for using more descriptive variable names?

The code would be easier to maintain.

Indicate the answer that CORRECTLY describes the statement and the reason.

The statement is false but the reason is true.

Which of the following is NOT a Non-Functional Requirement (NFR)?

A user must be able to remove an item from their basket.

Which of the following describes an example of abstraction?

Filter out unneeded characteristics to concentrate on needed

Which of the following describe VALID ways to represent an algorithm?

Flow chart, Pseudocode and UML activity diagram

Which of the following could be a functional requirement of a system?

System shows administrator when most recent user was added.

Authentication performs what task?

Checks to see if the user is who they claim to be.

Which of the following describes a demilitarised zone?

Protects sub-net from threats of un-trusted network

What is the connection between software design and software testing?

s/w design = func & non-func requirements testing can check

Which might have been avoided if development company had done more work in design stage

Client needs not captured in first place so not delivered.

Which of the following are basic elements of a programming language?

Assignment, Loop and Procedure call

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BCS Level 4 Diploma in Software Languages

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BCS Level 4 Diploma in Software Languages taken from Mock Exam QAN 603/0545/9

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Answers

1
Which of the following best describes composition
A class that cannot exist without a dependent class
A class that is dependent on another class
A class that is an ancestor or another class
A class that can exist separately without another class
2
What data structure is being used in this example?
Iterative
Queue
Stack
Boolean
3
What is CORRECT term to describe data passed from one program/function to another?
Parameter.
Variable.
Constant.
Structure.
4
What is a stack?
Sequence of data structures connected together via links.
Data structure insert & delete takes via FIFO principle.
Data structure where insert & delete takes place at one end.
Data structure where position of item derived using formula.
5
What might be the purpose of this algorithm?
Ensure that every user sees the same front page.
Check user logged in or valid cookie if not redirect.
Make sure every logged in user also has a cookie set.
Prevent user registering without pwd & show error msg
6
Which type of algorithm is the MAIN one used for encryption?
Recursive
Backtracking
Randomised
Sequence
7
Which of the following actions will contribute towards addressing this?
Handling sensitive data, ensure the code fails gracefully
Ensure authorisation mechanism complies with corp matrix
Ensure DB changes only made after business logic validated.
Ensure process needing privileged access has for min time
8
Sat Nav sys, which pattern MOST LIKELY for options by: car, public transport, walking, cycling?
Builder pattern.
Strategy pattern.
Adapter pattern.
Bridge pattern.
9
Which of the following are characteristics of an algorithm?
Finiteness, Selection and Speed.
Precision, Finiteness and Selection
Precision, Selection and Speed.
Precision, Finiteness and Speed.
10
Which of the following design patterns is a Structural pattern?
Builder
Strategy
State
Adapter
11
Which of the following best describes Aggregation?
A class that can exist separately without another class
A class that is dependent on another class
A class that is an ancestor or another class
A class that cannot exist without a dependent class
12
Which of the following can Decomposition be applied to?
Design diagrams and Code functions
Design diagrams, Code functions and Design components
Design diagrams only
Code functions and Design components
13
Select the answer that CORRECTLY describes the statement and the reason
The statement is false and the reason is true
Statement & reason true & reason does not explain statement
The statement is true and the reason is false
Statement & reason true & reason explains statement
14
What is another name for specialisation
Polymorphism
Interface
Abstraction
Inheritance
15
Which of the requirements will be used in non-functional design?
a, c and e only
a and b only
c, d and e only
b, c and d only
16
What process is the programmer using in this example?
Recursion.
Pattern recognition
Functional decomposition.
Abstraction.
17
What is represented on this UML Diagram
Association
Inheritance
Aggregation
Composition
18
What nature of security incident has occurred?
SQL injection vulnerability
Distributed denial of service
Cross-site scripting attack
Firewall failure
19
The algorithm to find some or all potential solutions to constraint satisfaction problems is a?
Recursive
Backtracking
Randomised
String searching
20
What is the purpose of software design?
To problem solve and plan a software solution.
To have clear and attractive UI elements in a program
To know how quickly a program will run when written.
To develop a marketing plan for a program.
21
What concept is illustrated by this example?
Polymorphism.
A bridge pattern.
A concurrency pattern.
Encapsulation.
22
What design pattern is used?
Composite
Decorator
Builder
Singleton
23
Splitting up I/F implementations from abstract classes they are based is key for which patterns
Bridge
State
Strategy
Builder
24
What is correct term to access record in sequential file sorted in date sequence
Bubble search
Binary search
Split search
Bubble chop
25
To identify that 2 or more processes are similar requires which form of computational thinking?
Abstraction.
Pattern recognition
Algorithm.
Decomposition.
26
Development of programming languages from machine to assembly to high-level is an example of?
Polymorphism.
Abstraction process
Encapsulation.
Recursion.
27
Which of the following is CORRECT when storing analogue sourced data on a digital computer?
Data stored both forms binary is exact representation source
The analogue data is stored and retrieved in analogue form.
Analogue converted to binary as exact representation source.
Analogue converted to binary as approx representation source
28
Select the answer that CORRECTLY describes the statement and the reason.
The statement is false but the reason is true.
The statement is true but the reason is false.
Statement & reason true & reason does not explain statement.
Statement & reason are true & reason explains statement.
29
Divide and Conquer is an alternative name for what?
Abstraction
Functional Definitions
Decomposition
Inheritance
30
Which of the following can be directly understood by a computer without translation?
Machine languages only
Machine and Assembly languages.
Machine, Assembly and High-level languages.
Assembly and High-level languages.
31
What would be the MAIN benefit for using more descriptive variable names?
The code would be more efficient to run.
The code would compile quicker
Variables should be declared in ascending numeric sequence
The code would be easier to maintain.
32
Indicate the answer that CORRECTLY describes the statement and the reason.
Statement & reason true Reason doesn't explain statement.
The statement is false but the reason is true.
The statement is true but the reason is false.
Statement & reason both true Reason explains statement.
33
Which of the following is NOT a Non-Functional Requirement (NFR)?
System used every weekday between hours of 8 am and 8 pm.
Web users must use https protocol from login to logout.
Confirmation email delivered within 10 secs of email sent.
A user must be able to remove an item from their basket.
34
Which of the following describes an example of abstraction?
Filter out unneeded characteristics to concentrate on needed
Extracting documentation from the code.
Capturing most relevant details within context of problem.
Publishing a technical abstract of the requirements.
35
A hotel room has options available, out of service & occupied. Which Pattern is applicable?
State.
Strategy.
Singleton.
Architectural.
36
Which of the following describe VALID ways to represent an algorithm?
Flow chart and UML activity diagram
Flow chart, UML activity diagram and Use case diagram
Pseudocode and Use case diagram
Flow chart, Pseudocode and UML activity diagram
37
Which of the following could be a functional requirement of a system?
All source code for the system should be open source.
System shows administrator when most recent user was added.
Should take user no more than one minute to log into system.
The system must be available 99.9% of the time.
38
Authentication performs what task?
Checks to see if the user is who they claim to be.
Checks that the password is strong enough.
Allows the user to enter their identity
Checks to see what level of access a user is allowed.
39
Given a stack structure, what will be state of stack after performing the following operations?
Apple, Banana and Orange.
Banana only.
Apple, Orange only.
Apple only.
40
What is represented on this UML Diagram
Aggregation
Association
Inheritance
Composition
41
Which of the following describes a demilitarised zone?
Protects sub-net from threats of un-trusted network
Protects sub-net containing private data via unauth access
It protects a network and its devices by packet filtering.
Restrict access by allow or block traffic via rules.
42
Which of the following CANNOT be represented in a Boolean data type?
TRUE
null
1
0
43
Name design pattern takes a step-by-step approach to create complex object from simple objects?
Builder pattern
Bridge pattern
Adapter pattern
Strategy pattern
44
What is the following statement an example of?
Algorithm strategy pattern
Recursive algorithm
Randomised algorithm
Iterative algorithm
45
What is represented on this UML Diagram
Inheritance
Aggregation
Composition
Association
46
Physical software design includes which of the following?
Data, Test and Process design.
Data, Configuration and Process design.
Test and Process design.
Data and Process design.
47
Which one of the following is a UML diagram?
User story diagram.
Gantt chart.
Component diagram.
Flow chart.
48
What is the connection between software design and software testing?
Design done properly no bugs will exist in program after dev
Testing is process to identify issues addr in s/w design
There is no connection between software design and testing.
s/w design = func & non-func requirements testing can check
49
Which might have been avoided if development company had done more work in design stage
Client needs not captured in first place so not delivered.
Client has unreasonable expectations of cost of new work
Client doesn't have idea of s/w future development path.
Requirements have changed & want new functionality added.
50
Which of the following are basic elements of a programming language?
Assignment and Loop
Library and Loop
Library, Loop and Procedure call
Assignment, Loop and Procedure call

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