Routing and Switching Testout 2.1.4 Flashcards
What happens when a web request is initiated at the application layer?
HTTP or HTTPS protocol wraps the data in a suitable transmission format and moves down the layers
True or False: FTP does not require authentication
False
True or False: TFTP does not require authentication
True
FTP and TFTP initiates the “sends” and “receipts” of file info _____
across the internet and between hosts
What do Telnet and SSH have in common?
Both allow remote connection to a system
What are some examples of network functions that Telnet and SSH allow?
- remote connection to a Linux system to run a terminal
* connection to a Cisco router/device for remote configuration
What does the Simple Mail Transport Protocol (SMTP) do?
It is an email relay that relays messages until the message reaches its target destination
True or False: Applications are a part of the application layer
False; apps provide the code that facilitates communication between the application interface and the network protocols present at the application layer
Why is port header assignment at the transport layer important?
Assigning ports to the protocols passed from the application layer allows the destination device to know what protocol to pass a data segment to
What transport protocols support application level protocols?
TCP or UDP
Can some application layer protocols support both TCP and UDP?
Yes