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 p225-227
2) Explain the IT processes techniques devices and components of requesting retrieval of a customers 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 p257
3) 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 & Middleware
4) 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.)