What is a data structure?

• A data structure is a programming language.

• A data structure is a specialized format for organizing, processing, and storing data.

• A data structure is a type of computer program.

• A data structure is a method for writing code.

What are three common types of linear data structures?

• Arrays

• Linked Lists

• Stacks

• Queues

What is the purpose of a linked list?

• To store elements in a fixed-size array.

• The purpose of a linked list is to provide a flexible and efficient way to store and manage a collection of elements.

• To ensure all elements are of the same data type.

• To provide a way to sort elements in descending order.

Explain the difference between stack and queue.

• Both stack and queue use LIFO.

• A stack can only hold integers, while a queue can hold any data type.

• A stack uses FIFO, while a queue uses LIFO.

• A stack uses LIFO, while a queue uses FIFO.

What is Big O notation?

• Big O notation describes the average case performance of an algorithm.

• Big O notation is a way to express the upper limit of an algorithm's time or space complexity as the input size grows.

• Big O notation measures the exact time an algorithm takes to run.

• Big O notation is a programming language used for data analysis.

Define a binary tree.

• A binary tree is a tree where each node can have any number of children.

• A binary tree is a type of graph that can have cycles.

• A binary tree is a tree data structure where each node has at most two children.

• A binary tree is a linear data structure with only one child per node.

What is the role of a router in networking?

• The role of a router in networking is to connect different networks and route data packets between them.

• A router amplifies signals to extend network range.

• A router manages user accounts and permissions.

• A router is used to store data permanently.

What is the difference between TCP and UDP?

• TCP is reliable and connection-oriented; UDP is faster and connectionless.

• TCP is faster and connectionless; UDP is reliable and connection-oriented.

• TCP and UDP are both connection-oriented protocols.

• UDP guarantees delivery of packets while TCP does not.

What does DNS stand for?

• Domain Name Service

• Domain Name System

• Dynamic Name System

• Domain Network System

Explain the concept of cloud computing.

• Cloud computing requires a dedicated server for each user.

• Cloud computing is a type of physical storage device.

• Cloud computing enables on-demand access to shared computing resources over the internet.

• Cloud computing is only used for data backup purposes.