ICT Applicant – CUL CBT Solution

Welcome to CBT portal for ICT Applicants

Name

Phone

Post Applied For

What is the purpose of a histogram in data analysis?

To visualize the distribution of categorical data

To represent the relationship between two variables

To display the frequency distribution of continuous numerical data

To summarize the central tendency of a dataset

What role does intrusion detection systems (IDS) and intrusion prevention systems (IPS) play in network security?

Encrypting network traffic

Accelerating data transmission

Monitoring and identifying potential threats or attacks

Filtering incoming and outgoing emails

What is the purpose of regression analysis in data analytics?

To identify patterns in categorical data

To estimate the relationship between dependent and independent variables

To visualize the distribution of continuous data

To summarize the central tendency of a dataset

In a correlation analysis, what does a correlation coefficient of -0.85 between two variables indicate?

A weak positive relationship

A strong negative relationship

A strong positive relationship

No relationship between the variables

What is the purpose of an IT audit in an organization?

Monitoring financial transactions

Conducting marketing researc

Assessing the efficiency and security of IT systems and operations

Evaluating employee performance

Which practice involves regularly updating software and systems to protect against security vulnerabilities?

Patch management

Data normalization

Software porting

Encryption

Which practice involves regularly updating software and systems to protect against security vulnerabilities?

Data normalization

Software porting

Patch management

Encryption

Which framework is commonly used for IT service management (ITSM)?

JAD (Joint Application Development)

CMMI (Capability Maturity Model Integration)

COBIT (Control Objectives for Information and Related Technologies)

RAD (Rapid Application Development)

What is the purpose of a subnet mask in IP addressing?

Allocating IP addresses for public use

Defining the maximum number of hosts in a network

Identifying the network portion of an IP address

Assigning a unique identifier to each device on the network

10.

Which statistical test is appropriate for comparing means of two independent groups?

ANOVA (Analysis of Variance)

Chi-square test

Pearson correlation

T-test

11.

Which of the following classes of IP addresses uses the first octet to represent the network portion?

Class A

Class D

Class B

Class C