Computer questions, some are difficult?

1. The TCP/IP suite of protocols is implemented by the PC’s _______.
hub
ethernet card
operating system (OS)
network interface card (NIC)
A ______ server dynamically assigns an IP address to a host.
Application
DHCP
TCP/IP
Web
A(n) _______ server usually “listens” for data at port 20.
E-mail
FTP
HTTP
Web
When using a subnet mask, the mask is bitwise AND’d with an IP address. The host portion of the address is “erased” since the subnet mask uses _______ for each bit in the host portion of the address.
0
1
255
256
2
What is the binary number 11010111 in decimal?
218
202
215
223

Chosen Answer:

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on: 1st January 70