Which of the following is the best description of well known ports?

Well known ports apply to routers only and are used for communication and control traffic. Well known port numbers are assigned by IANA and can have any value.
Well known ports are used by TCP and UDP. Well known port numbers range from 1024 to 65535 and are assigned by IANA.
Well known port numbers are used by both TCP and UDP. Well known port numbers range from 1 to 1023 and are assigned by IANA.
Well known ports numbers are used by TCP only. Well known port numbers are assigned by IANA and can have any value.

Answer(s): C

Which organization first considered cross-platform networking support to be a necessity?

Answer(s): B

Which of the following statements best describes ARPANET?

ARPANET was an early packet switched network initially connecting 4 sites (Stanford, UC Santa Barbara, UCLA, and U of Utah).
The mission of ARPANET was to connect packet switched networks and other diverse networks, making an international network of networks.
ARPANET connected sites spread around the Hawaiian Islands to a central time-sharing computer on the University of Hawaii campus.
ARPANET was based on the use of TCP/IP to interconnect diverse systems.

Answer(s): A