Cloud Computing Laboratory Quiz

What is the primary objective of the CS8711 Cloud Computing Laboratory course?

• To develop web applications in cloud

• To learn about traditional computing

• To focus on mobile application development

• To study hardware components

Answer explanation

The primary objective of the CS8711 Cloud Computing Laboratory course is to develop web applications in the cloud, focusing on practical skills and technologies relevant to cloud-based development.

Which tool is used to install a virtual machine in the course?

• Ansible

• Kubernetes

• VirtualBox

• Docker

Answer explanation

VirtualBox is a tool specifically designed for creating and managing virtual machines, making it the correct choice for installing a virtual machine in the course. Ansible, Kubernetes, and Docker serve different purposes.

What programming language is used to create a simple web application in Google App Engine?

• C++

• Python

• Ruby

• JavaScript

Answer explanation

Python is one of the primary languages supported by Google App Engine for building web applications. It offers a simple syntax and powerful libraries, making it an ideal choice for developers creating web apps on this platform.

What is the purpose of Hadoop in the course?

• To manage virtual machines

• To run simple applications like wordcount

• To install operating systems

• To create web services

Answer explanation

Hadoop is designed to process large datasets efficiently. Running simple applications like wordcount demonstrates its ability to handle data processing tasks, making this the correct choice.

Which of the following is a requirement for using CloudSim?

• Understanding of SQL

• Experience with C#

• Knowledge of Python

• Basic Java programming

Answer explanation

CloudSim is a simulation framework for cloud computing that requires knowledge of Java programming. Basic Java skills are essential to understand and utilize its features effectively, making it the correct choice.

What is the first step in installing Google App Engine?

• Set up a database

• Install Python

• Download the Java SDK

• Download the Google App Engine SDK

Answer explanation

The first step in installing Google App Engine is to download the Google App Engine SDK, as it contains the necessary tools and libraries to develop and deploy applications on the platform.

What is the function of the User Access Control (UAC) dialog box during installation?

• To check for software updates

• To display installation progress

• To confirm user permissions

• To select the installation directory

Answer explanation

The User Access Control (UAC) dialog box is designed to confirm user permissions before allowing software installation, ensuring that the user has the authority to make changes to the system.

Which command is used to format the NameNode in Hadoop?

• hadoop init

• hadoop start

• hadoop format

• hadoop namenode -format

Answer explanation

The correct command to format the NameNode in Hadoop is 'hadoop namenode -format'. This command initializes the NameNode and prepares it for use, while the other options are incorrect or do not perform this specific action.

What is the purpose of the 'mapred-site.xml' file in Hadoop?

• To manage user permissions

• To define the Java environment

• To set up the MapReduce framework

• To configure the HDFS

Answer explanation

The 'mapred-site.xml' file is crucial for configuring the MapReduce framework in Hadoop. It contains settings that dictate how MapReduce jobs are executed, making it essential for the proper functioning of the framework.

What is the main advantage of using cloud computing?

• Limited access to resources

• Complexity in management

• Scalability and flexibility

• Increased hardware costs

Answer explanation

The main advantage of cloud computing is its scalability and flexibility, allowing businesses to easily adjust resources based on demand without significant upfront hardware costs or complex management.