Assess Your Tech Understanding

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What is the primary advantage of NoSQL databases compared to traditional relational databases?

2 points

NoSQL databases can handle unstructured data

NoSQL databases are faster for all types of data

NoSQL databases are more secure

NoSQL databases have a simpler structure

Clear selection

Which of the following is NOT a type of database system?

2 points

Relational

Key-value

Document

Recursive

Clear selection

What is the main difference between a native mobile app and a hybrid mobile app?

2 points

Native apps are built for a specific platform, while hybrid apps are built to work on multiple platforms

Native apps use web technologies, while hybrid apps use native code

Native apps are installed from an app store, while hybrid apps are accessed through a web browser

Native apps require an internet connection, while hybrid apps can work offline

Clear selection

What is the main difference between Git and GitHub?

2 points

Git is a Version Control System, while GitHub is a web-based platform for hosting and collaborating on Git repositories

Git is a cloud computing service, while GitHub is a Version Control System

Git is a command-line tool for version control, while GitHub provides a graphical user interface for managing Git repositories

Git focuses on local version control, while GitHub enables remote collaboration and repository management

Clear selection

What is the primary role of algorithms in programming?

2 points

To execute instructions of a computer program

To store data and program instructions

To solve problems/perform tasks efficiently using a step-by-step process

To coordinate communication between hardware components

Clear selection

Which of the following is a popular CI/CD tool?

2 points

Jenkins

Git

Kubernetes

Puppet

Clear selection

In a distributed system, what is the role of replication?

2 points

To combine multiple components to form a single, larger component

To create copies of data or services to improve availability

To optimize the performance of individual components

To reduce the number of components in the system

Clear selection

How is data moved through the internet?

2 points

By transmitting data packets across interconnected networks

By physically transporting data storage devices

By sending data through a single, centralized server

By using radio waves to broadcast data to all devices

Clear selection

What happens after you type "google.com" into a web browser?

2 points

The browser sends a request to a DNS server to resolve the domain name to an IP address

The browser downloads the entire Google search engine to your computer

The browser immediately displays the Google homepage from its local cache

The browser sends a request directly to Google's server using the domain name as the address

Clear selection

What is a non-functional requirement (NFR)?

2 points

A requirement that specifies what the system is supposed to do

A requirement around the quality of UX, such as performance or security

A requirement that is unrelated to the project

A requirement that is optional for the system to function

Clear selection

What is the most basic language used by computers for communication and processing?

2 points

Binary

Assembly

C++

Python

Clear selection

What is IaC?

2 points

The practice of managing infrastructure using code and automation tools

The process of deploying software updates as soon as they are available

The continuous monitoring of a software system's performance

The process of managing software dependencies

Clear selection

Which of the following is a key aspect of designing for fault tolerance?

2 points

Minimizing the number of components

Ensuring components are loosely coupled

Incorporating redundancy in the system

Maximizing the performance of each component

Clear selection

Which of the following is an example of a message queue?

2 points

RabbitMQ

MySQL

Elasticsearch

Apache Cassandra

Clear selection

Which of the following factors is critical to a computer's performance?

2 points

The brand of the computer

The color of the computer case

The speed of the Central Processing Unit (CPU)

The size of the monitor

Clear selection

How does data encryption help protect information transmitted over the internet?

2 points

It converts data into a format that can only be read by authorized parties with the correct decryption key

It physically prevents unauthorized users from accessing data

It increases the speed of data transmission

It reduces the size of data packets to make them harder to intercept

Clear selection

What does CI/CD stand for in the context of software development?

2 points

Central Intelligence/Code Deployment

Continuous Integration/Continuous Deployment

Code Inspection/Code Debugging

Component Inversion/Code Division

Clear selection

What is an API (Application Programming Interface)?

2 points

A set of rules that dictate how software components should interact

A visual representation of a software system

A type of software that manages the execution of other software

A tool for debugging and analyzing software performance

Clear selection

How does responsive web design helps?

2 points

To make websites load faster

To make websites adapt to different screen sizes and devices

To make websites more interactive

To make websites more secure

Clear selection

What is the primary goal of using microservices architecture in software development?

2 points

To break a monolithic application into smaller services that operate independently

To enhance code modularity and simplify the debugging process

To improve application performance by distributing tasks among services

To facilitate better collaboration and communication between development teams

Clear selection

Which of the following is a key aspect of designing for availability and robustness?

2 points

Incorporating redundancy and replication in the system

Minimizing the number of components

Ensuring components are loosely coupled

Maximizing the performance of each component

Clear selection

What is the lowest among considerations when choosing a database for a system?

2 points

The database's ability to handle the data types and structure needed for the system

The scalability, performance, and reliability requirements of the system

The popularity of the programming language used to develop the system

The security, backup, and recovery features of the database

Clear selection

What is the main purpose of using a content delivery network (CDN) in web development?

2 points

To improve load times and reduce latency

To store data and program instructions

To execute instructions of a computer program

To coordinate communication between hardware components

Clear selection

What is the primary purpose of using version control systems in DevOps?

2 points

To track changes in source code and manage collaboration

To automate the process of software testing

To improve collaboration between development and operations teams

To enhance the security of a software system

Clear selection

What is a key feature of dynamic websites compared to static websites?

2 points

Dynamic websites are faster to load

Dynamic websites generate content based on user interactions

Dynamic websites are more secure

Dynamic websites do not require a server

Clear selection

Which of the following is the most key component of building a URL shortener like Bitly?

2 points

A caching mechanism to optimize URL redirection speed

An algorithm to generate unique short URLs

A content analysis system to extract metadata from the original URL

A geolocation service to provide region-specific short URL

Clear selection

What is horizontal scaling?

2 points

Adding more resources to a single machine

Adding more machines to a system

Reducing the complexity of a system

Optimizing the performance of a single machine

Clear selection

What is the main function of a Virtual Private Network (VPN)?

2 points

To block access to certain websites

To increase the speed of internet connections

To provide free internet access

To create a secure, encrypted connection between a user's device and a remote server

Clear selection

In the context of system design, what does the term "latency" mean?

2 points

The time it takes for a system to complete a task

The amount of data a system can store

The rate at which a system can process data

The time it takes for a message to travel between two points in a system

Clear selection

What technological advancement allowed computers to become smaller and more energy-efficient?

2 points

The development of the transistor

The invention of vacuum tubes

The introduction of the graphical user interface

The standardization of computer hardware

Clear selection

What is the use of a library in software development?

2 points

To create visual elements for a software application

To manage version control and collaboration among developers

To store and manage source code in a centralized location

To accelerate development by providing reusable code

Clear selection

Which of the following is not an example of a data structure used in programming?

2 points

Array

Tree

Linked List

Debugger

Clear selection

What is a common way the modern internet reaches our home computer?

2 points

Through satellite connections

Through fiber-optic cables

Through radio waves

Through electrical wiring

Clear selection

What is the purpose of protocols in internet communication?

2 points

To increase the speed of data transmission

To establish standardized rules for data transmission and communication

To reduce the cost of internet services

To limit the types of devices that can connect to the internet

Clear selection

Which of the following is a NoSQL database?

2 points

PostgreSQL

MongoDB

Oracle

SQL Server

Clear selection

What is the purpose of sharding in database systems?

2 points

To distribute data across multiple machines for better performance and scalability

To create backups of the database

To improve data integrity and consistency

To reduce the size of the database on disk

Clear selection

What does a data structure do in programming?

2 points

To efficiently store, and manipulate data for various operations

To create more visually appealing applications

To simplify the debugging process in software development

To manage the flow of control in a program

Clear selection

Which of the following is a popular back-end web development framework?

2 points

React

Node.js

Bootstrap

jQuery

Clear selection

What role does a Version Control System (VCS) play in code development?

2 points

To track and manage changes to the source code over time

To compile and run the code

To create a user interface for the application

To manage the project's budget and resources

Clear selection

What is the purpose of load balancing in system design?

2 points

To distribute workloads evenly across multiple servers

To reduce the complexity of a system

To improve the response time of a system

To protect a system from security threats

Clear selection

How does caching helps in system design?

2 points

To reduce latency and improve performance

To divide a system's data or workload among multiple components

To ensure that a system is secure

To increase the amount of work a system can handle

Clear selection

Which of the following is a small-range, wireless network technology?

2 points

WiFi

Ethernet

Fiber-optic cable

Satellite

Clear selection

What is the primary role of a server in a web application?

2 points

To display web content on the user's device

To store, process, and deliver web content to clients

To create new programming languages

To manage the user's internet connection

Clear selection

How does monitoring helps in DevOps?

2 points

To ensure the performance, reliability, and security of a software system

To automate the process of software testing

To improve collaboration between development and operations teams

To enhance the security of a software system

Clear selection

What is the CAP theorem in the context of distributed systems?

2 points

A principle stating that a distributed system can only achieve two out of three properties: consistency, availability, and partition tolerance

A theorem that states all distributed systems are inherently insecure

A principle that defines the optimal performance of a distributed system

A theorem that proves the superiority of centralized systems

Clear selection

Which of the following events led to the birth of the DevOps movement?

2 points

The increasing complexity of software development and the need for better collaboration between development and operations teams

The invention of the internet

The development of the first programming language

The creation of the first computer

Clear selection

Which of the following is the key function of an operating system?

2 points

Providing a user interface for interacting with the computer

Creating graphics and animations

Storing data and program instructions

Managing the computer's hardware and software resources

Clear selection

How has Moore's Law influenced the development of computer technology?

2 points

It has made programming languages simpler

It has slowed down the development of new technologies

It has caused an increase in the size of computer hardware

It has led to the exponential growth of computing power and a decrease in cost

Clear selection

What is the main advantage of open-source software?

2 points

The source code is available to the public, for modification/ collaboration

Open-source software is always free of cost

Open-source software is faster than proprietary software

Open-source software is more secure than proprietary software

Clear selection

What is the primary goal of partition tolerance in the CAP theorem?

2 points

To increase the amount of work a system can handle

To optimize the performance of individual components

To reduce the complexity of the system

To ensure that the system continues to operate even in the presence of component failures

Clear selection

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