Understanding Cloudflare and Its Impact on the Internet

What was the primary cause of the internet outage on June 21st, 2022?

• A global cyber attack

• A mistake by Cloudflare during a server upgrade

• A natural disaster affecting data centers

• A software bug in Discord

What is the main function of a Content Delivery Network (CDN)?

• To provide internet access to remote areas

• To manage domain name registrations

• To offer cloud-based software development

• To store and deliver content quickly and reliably

How does Cloudflare's CDN enhance security for its clients?

• By monitoring user activity

• By offering free antivirus software

• By encrypting all internet traffic

• By providing protection against malware and DDoS attacks

What does DNS stand for in the context of internet services?

• Domain Name System

• Digital Network Service

• Data Navigation System

• Dynamic Name Server

What is one of the key benefits of using Cloudflare's DNS services?

• It provides free web hosting

• It offers faster and more reliable DNS resolution

• It guarantees 100% uptime

• It includes a built-in firewall

What was a significant factor in Cloudflare's rapid expansion in the early 2010s?

• Co-locating servers in existing data centers

• Hiring a large number of employees

• Building their own data centers

• Acquiring smaller tech companies

What was the impact of the misplaced line of code during Cloudflare's update?

• It reduced data storage costs

• It increased server speed

• It cut the network's request capacity in half

• It improved network reliability

What was the result of the 2020 incident involving Cloudflare?

• A successful resolution of congestion issues

• A decrease in internet traffic

• An increase in server capacity

• A massive data overload in Atlanta

Why is Cloudflare considered a single point of failure for a large portion of the internet?

• Due to its widespread use and critical services

• Because it owns all internet infrastructure

• Because it controls all DNS records

• Due to its monopoly on web hosting

What lesson can be learned from Cloudflare's past incidents?

• The benefits of a centralized internet infrastructure

• The need for more data centers

• The importance of diversifying internet service providers

• The necessity of reducing internet traffic