Quiz Mania

Which of these is used to capture solar energy and convert it into thermal energy?

• Van de Graaff generator

• insulated tank

• flat-plate collector

• Leyden ja

What is the primary function of a firewall in network security?

• Detect and prevent viruses

• Monitor user activity

• Block unauthorized access

• Encrypt data transmission

Which of the following data structures has the highest time complexity for searching an element?

• Hash Table

• Stack

• Binary Tree

• Array

Which of the following data structures allows random access to its elements?

• Linked List

• Hash Table

• Queue

• Array

Which of the following is true for the time complexity of an algorithm?

• 
  It is the number of variables used in the algorithm

• It is the number of lines of code in the algorithm

• It is the amount of disk space used by the algorithm

• It is the amount of time taken by the algorithm to run

In the context of computer networking, what is a DNS?

• 
  A system for authentication and authorization

• A database that maps domain names to IP addresses

• 
  A protocol used to transfer files between computers

• 
  A type of firewall

In the context of databases, what is a join operation?

• A query that combines data from two or more tables based on a common attribute

• A query that returns the union of two sets of data

• A query that returns the intersection of two sets of data

• A query that aggregates data from multiple tables

What is a deadlock in the context of operating systems?

• A process that is running for too long

• A process that is waiting for resources forever

• A process that is waiting for resources forever

• A process that is running on more than one CPU

In a cloud environment, what is the responsibility of the cloud service provider regarding data security?

• Encryption of data at rest and in transit

• Providing physical security of servers

• Ensuring the availability of the service

• None of the above

Which cloud computing service model involves the highest level of control and customization by the customer?

• Platform as a Service (PaaS)

• Anything as a Service (XaaS)

• Software as a Service (SaaS)

• Infrastructure as a Service (IaaS)