Unit 4: Computer Systems and Networks

Which protocol is responsible for breaking data into packets and reassembling them at the destination?

What is the purpose of an IP address?

Which of the following best describes redundancy in the context of the Internet?

What is the key difference between TCP and UDP?

What does HTTP stand for, and what is its purpose?

Which of the following is a benefit of open standards and protocols on the Internet?

What is the primary purpose of public key encryption?

Which of the following is an example of a cybersecurity threat?

What is a DDoS (Distributed Denial-of-Service) attack?

What is the difference between the Internet and the World Wide Web?

What is bandwidth?

Which of the following best explains why parallel computing can speed up certain tasks?

A sequential program takes 100 seconds to complete. If the program is divided so that 80 seconds of work can be done in parallel across 4 processors, what is the approximate total time?

What is a certificate authority in the context of Internet security?

Why is it important to keep software and operating systems up to date?

How many unique values can be represented using 8 bits?

What is the scalability of a system?

TCP (Transmission Control Protocol) is responsible for:

The internet is considered fault-tolerant because:

The difference between HTTP and HTTPS is that HTTPS: