Cs402: Saylor Direct Credit Final Exam | Saylor Academy Questions And Answers.

What is the RFC? {Ans: A database of Internet service providers}_____ network topologies are the most expensive to implement, since they use the most network cable. {Ans: Mesh}In this network topology, PC1 sends a packet to PC3 at the same time as PC2 sends a packet to PC3. What would need to happen to ensure that both packets are sent successfully? {Ans: PC1 and PC2 should detect a packet collision and resend the packets.}Host1 is directly connected to router R1. Host1 sends out a message to router R3, but router R3 prevents delivery of the IP packet. Which of the following protocols would you use to make sure that an error message is reported to Host1, so that Host1 can determine whether or not it needs to re-send the IP packet? {Ans: ICMP}The protocols for email and web file access are described in which layer of the Internet protocol? a. Application b. Network c. Transport d. Session {Ans: a. Application}Which of the following layers is a combination of the Application, Presentation, and Session layer in the TCP/IP reference model? {Ans: Application Layer}You are watching a live stream on your internet TV. You can hear