Questions & Answers (Grade A+)
What does the application layer do? -
correct answer ✅It is the layer which interacts with the user to
provide access to services and data that is sent/received over a
network.
What is unique about the application layer? -
correct answer ✅-only layer that interacts with user
- only layer that can access computer files
What layer are files and viruses downloaded on? -
correct answer ✅Application Layer
HTTP (Hypertext Transfer Protocol)
Whats its purpose and what does it do? -
correct answer ✅- the protocol used for transmitting web pages
over the Internet
-facilitates transfer of files from web server to local computer
-GET request/response used to access file for the webpage
,CIS 320 Connolly Exam 2 Exam
Questions & Answers (Grade A+)
SMTP (Simple Mail Transfer Protocol) -
correct answer ✅protocol used to transfer email between mail
and servers
POP (Post Office Protocol) -
correct answer ✅- protocol that allows a user to access a mailbox
on an email server and perform useful actions on the contents of
the mailbox.
- Download to local machine and deleted off server at retrieval
-3 states: Authorization, Transaction and Update
IMAP (Internet Mail Access Protocol) -
correct answer ✅-protocol that allows a client to access a mailbox
on an email server
-synchronizes messages across home and office
-4 states: Not auth, auth, selected, and logout
, CIS 320 Connolly Exam 2 Exam
Questions & Answers (Grade A+)
What does URL stand for and what is it? -
correct answer ✅Universal Resource Locator - a unique address on
the internet.
contains host, port #, absolute path, and query
FTP (File Transfer Protocol) -
correct answer ✅protocol for transferring files from one computer
to another, regardless of the hardware and software configurations
of the two computers
- Useful for uploading web pages to web servers
What are APIs and how can exposing them to partners benefit a
company? -
correct answer ✅thought of as contracts between 2 parties
- create new revenue channels or extend existing ones
- expand reach of brand