Why do HTTP, FTP, SMTP, and POP3 run on top TCP rather than on UDP?    2.    What is the difference between Routing and Forwarding?  3.   What is HOL blocking? Does it occur in input ports or output ports?

Principles of Information Security (MindTap Course List)
6th Edition
ISBN:9781337102063
Author:Michael E. Whitman, Herbert J. Mattord
Publisher:Michael E. Whitman, Herbert J. Mattord
Chapter6: Security Technology: Access Controls, Firewalls, And Vpns
Section: Chapter Questions
Problem 2RQ
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  1. Why do HTTP, FTP, SMTP, and POP3 run on top TCP rather than on UDP? 

 

2.    What is the difference between Routing and Forwarding? 

3.   What is HOL blocking? Does it occur in input ports or output ports?

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