WGU C700 - Secure Network Design| 111 QUESTIONS WITH COMPLETE SOLUTIONS

DDoS Attack Correct Answer: A distributed denial-of-service attack tries to reduce or eliminate a resource's ability to serve its users. The attacker overwhelms the resource by sending a flood of messages from many compromised computers. IoT (Internet of Things) Correct Answer: IoT devices are usually small devices such as surveillance cameras that communicate directly with one another without human involvement. There will soon be more IoT device using the Internet than humans surfing the Web, sending e-mail, sending Excel and Word files, and doing other "humanish" things. ISPs (Internet Service Providers) Correct Answer: Internet transmission or the delivery of traffic from source to destination computers. Hosts Correct Answer: Devices that are connected to the internet are called hosts. IANA (Internet Assigned Numbers Authority) Correct Answer: controls and documents who owns what IP addresses, since every single connected device outside of private networks needs a unique address. The IANA prevents address duplication and ensures that devices can access the World Wide Web. IETF (Internet Engineering Task Force) Correct Answer: An organization that sets standards for how systems communicate over the Internet (for example, how protocols operate and interact). Cloud Correct Answer: An image that indicates that the user does not need to know what goes on within the Internet. A general name for services provided by companies over the Internet. Application Messages Correct Answer: A message sent from one networked application to another over a network. Server Hosts Correct Answer: The one that provides service is the server host. Provides services to client hosts. Server hosts include servers on server racks Client Hosts Correct Answer: The one that receives service is the client host. Receives services from the server host. Client hosts include your mobile phone, tablet, PC, smartwatch, or anything else you use to access services on the internet. Rack Servers Correct Answer: A server that fits in a standard equipment rack. Most servers are stored in equipment racks that are 48 cm (19 inches) wide and a standard height unit, or U, is 1.75 inches tall. Each rack can hold several rack servers positioned one on top of another.