1. Which three Layers of the OSI model make up the Application layer of the TCP/IP model? (Choose three.)
- data link
- network
- transport
- session
- presentation
- application
Explanation: The TCP/IP model consists of four layers: application, transport, internet, and network access. The OSI model consists of seven layers: application, presentation, session, transport, network, data link, and physical. The top three layers of the OSI model: application, presentation, and session map to the application layer of the TCP/IP model.
2. What protocol is used to transfer web pages from server to client?
- HTML
- SMTP
- HTTP
- SSH
- Telnet
- POP
3. Refer to the exhibit. Which term applies to a data transfer in the direction indicated by the arrow?
- download
- data read
- data write
- upload
4. Which protocols use authentication and encryption to secure data traveling between client and server? (Choose two.)
- HTTP
- DNS
- HTTPS
- SMTP
- SSH
5. Refer to the exhibit. What is the top-level domain of the URL shown?
- cisco.com
- .com
- www.cisco.com
- www
- netacad
- http://
6. Drag each DNS resource record type on the left and drop it onto the resource it identifies on the right.
7. Drag the functions on the left and drop them into the appropriate email component on the right.
Answer
8. A network administrator is troubleshooting failed access to www.cisco.com. Typing the IP address of the web server into the browser successfully brings up the web page. What application layer protocol is responsible for the failure?
- DHCP
- DNS
- CDP
- HTTP
- HTTPS
- SSL
