Network essay exam 2

1) Explain the IT processes, techniques, devices, and components of requesting and responding to a Web page inquiry; assume the client is an android smartphone and the Web page is found.Provide sufficient detail to demonstrates understanding. Topics that should be addressed include but are not limited to:• Client/Server environment with dedicated Web server, separate database server, & use of Proxies• HTTP• DNS (why needed? Difference url & IP Address)• TCP/IP Layers (name & function/purpose)• TCP/IP Layer movement need only be explained in detail once – must have some kind of statement addressing “reverse” process but may be void of same level of detail already expressed in response• Routers (functions & decisions)• Security (HTTPS, SSL)• Ports (80)• etc.Ch 8 p225-2272) Explain the IT processes, techniques, devices, and components of requesting retrieval of a customer’s record from an enterprise database that DIFFER from the Web request above Provide sufficient detail to demonstrates understanding. Limit response to items that are different Hints: Internal vs External possibility? Assume Intranet login plus app-specific login required to access Customer app Port Number Differentiated Service traffic (Ch 11)Message Passing Ch 9 p2573) Explain SOA Provide sufficient detail that demonstrates understanding – including what it is, what it does, how it operates, what is and is not included, why a business would apply it e.g. benefits, how it is different from and/or similar to Object Oriented Programming & Middleware4) Compare and contrast the security techniques: HTTPS, IPSec, SSH, SSL, and VPN Describe function, what is protected, what is NOT protected, where (TCP/IP Model layer and/or communication process) applied for each term and identify any relationships (e.g. HTTP & SSL, VPN & IPSec both apply encryption to ensure security, etc.)