OSINT 2 (E)

Let’s check your port knowledge!

  1. An administrator turns on a computer to request an IPv4 address.
    What port does a DHCP server use to reply to the request?

    Correct
    Incorrect


  2. Border Gateway Protocol V4 (BGP4) uses what protocol and port on the public Internet?

    Correct
    Incorrect


  3. In IPSec, IKE uses what protocol and port number to exchange information if NAT translation is not involved?

    Correct
    Incorrect

    Don't forget to include the protocol and port!
    i.e. TCP 443



  4. Microsoft SQL Server uses what port to communicate over a firewall?
    What is the default SQL Server port?

    Correct
    Incorrect


  5. Whois uses what protocol and port?

    Correct
    Incorrect

    Don't forget to include the protocol and port!
    i.e. TCP 443