Computer Networks Lecture 1: Introduction to Computer Networks and Internet

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31 Questions

What is the Internet?

A wide area network (WAN)

Which of the following is considered a network edge component?

Computing devices

What types of communication links are mentioned in the text?

Copper wire and radio spectrum

What is the role of a packet switch?

Forward packets between different networks

Which devices are considered traditional computing devices?

Desktop PCs and servers

What term is used to describe any device connected to the network with a micro-processor?

End system

What is the transmission rate of a link measured in?

Bits/second

Which type of switch is used for forwarding packets between different networks?

Router

What is the sequence of communication links and packet switches traversed by a packet from the sending end system to?

Network core

Which media is NOT mentioned as a type of communication link?

Bluetooth

Which of the following is an example of network edge?

Hosts

In the context of computer networks, what does the term 'protocol' refer to?

A set of rules governing data communication

What is the primary focus of the Transport Layer in computer networking?

End-to-end communication

What does the term 'network core' primarily refer to in the context of computer networking?

Packet switching and circuit switching

Which aspect of network performance is related to the amount of time it takes for data to travel from one point to another?

Delay

What is the primary focus of the Network Layer in computer networking?

Determining the route for data to travel from source to destination

In the context of computer networks, what is the role of a router?

Determining the best path for data to reach its destination

Which of the following accurately describes packet switching in computer networking?

Packets are stored and forwarded independently

What primary function does the Link Layer serve in computer networking?

Managing access to the physical network medium

What does the term 'network edge' primarily refer to in the context of computer networking?

Devices that connect end systems to the Internet

What aspect of network performance is related to the ability to deliver data with minimal delay?

Latency

What is the primary function of a packet switch in a computer network?

Forwarding packets between different networks

Which term is used to describe any device connected to the network with a micro-processor?

End system

What is the transmission rate of a link measured in?

Megabits/second

What are the primary components of the Internet network core?

Interconnected routers/switches and network of networks

Which type of communication links are made up of copper wire, optical fiber, and radio spectrum?

Wired links

What is the primary focus of the Data Link Layer in computer networking?

Providing logical communication between hosts

What term refers to computing devices or hosts at the network edges?

End systems

Which component segments the data and adds header bytes to create 'packets' for transmission?

"End systems"

What is the sequence of communication links and packet switches traversed by a packet from the sending end system to?

Interconnected routers/switches

What aspect of network performance is related to the amount of time it takes for data to travel from one point to another?

Latency

This quiz covers the introductory topics related to computer networks and the internet, as outlined in 'Computer Networking: A Top Down Approach' by Jim Kurose and Keith Ross. The quiz is based on the content from Chapter 1 of the book.

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