Networking Concepts

Prompts and answers

• Which layer is responsible for connecting one application to another?
  4
• Which layer is responsible for routing packets to the proper network?
  3
• In the OSI model, which layer is responsible for encoding the application data?
  6
• Which layer is responsible for transferring data between hosts on the same network segment?
  2
• To which layer does HTTP belong in the TCP/IP model?
  Application Layer
• How many layers of the OSI model does the application layer in the TCP/IP model cover?
  3
• Which of the following IP addresses is not a private IP address?
  49.69.147.197
• Which of the following IP addresses is not a valid IP address?
  192.168.305.19
• Which protocol requires a three-way handshake?
  TCP
• What is the approximate number of port numbers (in thousands)?
  65
• On a WiFi, within what will an IP packet be encapsulated?
  Frame
• What do you call the UDP data unit that encapsulates the application data?
  Datagram
• What do you call the data unit that encapsulates the application data sent over TCP?
  Segment
• Use telnet to connect to the web server on MACHINE_IP. What is the name and version of the HTTP server?
  lighttpd/1.4.63
• What flag did you get when you viewed the page?
  THM{TELNET_MASTER}