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What are the differences between TCP/IP and UDP?
TCP/IP: Reliable, ensures delivery, slower. UDP: Faster, skips error checking, used for streaming.
Compare the Internet and the World Wide Web.
Internet: Infrastructure. WWW: Service using the infrastructure (web pages, files).
What is the definition of 'Internet'?
A massive computer network made up of interconnected networks using standardized, open communication protocols.
What is the definition of 'Computing Device'?
Any physical machine that can run a program (e.g., computers, tablets, servers).
What is the definition of 'Computer Network'?
A group of computing devices that can share data.
What is the definition of 'Data Streams'?
Information that flows through the internet.
What is the definition of 'Packets'?
Data broken down into smaller units before being sent over the internet, containing data and a header.
What is the definition of 'Header'?
Metadata attached to a packet, including origin, destination, and reassembly instructions.
What is the definition of 'Routing'?
The process of finding the best path for data to travel across a network.
What is the definition of 'Bandwidth'?
The rate of data transfer allowed by a computer network, usually measured in Mbps.
What is the definition of 'Protocol'?
A standard set of rules that allows devices to communicate with each other.
What is the definition of 'Scalability'?
The ability of a system to change in size and scale to meet new demands without a significant decrease in performance.
What is the key difference between the Internet and the World Wide Web?
The Internet is the infrastructure, while the World Wide Web is a service that runs on top of it.
Explain the purpose of breaking data into packets.
To efficiently transmit data across the internet by dividing it into manageable units with addressing information.
Why is routing important for data transmission?
It ensures that data packets reach their intended destination by dynamically selecting the best path.
What is the role of IP addresses in data transmission?
IP addresses are used to uniquely identify devices on a network, enabling data to be sent to the correct destination.
What is the significance of open (nonproprietary) internet protocols?
They allow different devices and networks to communicate with each other regardless of the manufacturer or owner.
Why is scalability a crucial design consideration for the Internet?
To handle the increasing number of devices and the growing volume of data without significant performance degradation.
What is the role of HTTP in the World Wide Web?
HTTP is the protocol that controls how web page data is transmitted between web servers and browsers.
Explain the concept of bandwidth and its impact on data transfer speed.
Bandwidth is the maximum data transfer rate; higher bandwidth allows more data to be transferred in a given time, resulting in faster speeds.
What is the primary function of TCP in the TCP/IP protocol suite?
TCP handles packet creation, reassembly, and ensures reliable delivery of data.
What is the primary function of IP in the TCP/IP protocol suite?
IP handles packet routing and addressing, ensuring packets are sent to the correct destination.