Answer:
Mainframes (also called "big iron")[1] are powerful computers used for large information processingjobs. They are mainly used by governmentinstitutions and large companies for tasks such as census, industry and consumer statistics, enterprise resource planning, and financial transaction processing. Mainframe computers are specially used as servers on the World Wide Web (WWW). They are distinct from supercomputers.
BIOS instructs the computer on how to preform basic functions such as booting and keyboard control. It is also used to identify and configure the hardware in a computer
Answer:
I can't read that pls reformat, or take picture.
Explanation:
If the pings are successful you are either on the same subnet and everything is configured correctly or ICMP echo is enabled on the router which it should be by default internally. Externally, ICMP can/should be disabled to avoid DOS attacks.
B. only accesible over the internet