The Internet Part 1

TCP stands for?

• Transmission control program

• Transmission control protocol

• Transfer control program

• Transfer control protocol

How does a data packet know where to go when you send or receive data?

• Packets have their destination IP address attached to them

• Routers know without outside knowledge where to send the packets

• Your device tells the receiving device to expect packets

• Packets don't actually know where to go

What does IP stand for?

• International Process

• Internet Program

• International Protocol

• Internet Protocol

What DNS server type do schools use? Fill in the blank (.______)

Hint: it's three letters.

With TCP, sending and receiving data takes the form of:

• Stream of bytes

• Sequence of characters

• Lines of data

• Packets

A DNS database contains _______

• telephone number records

• website name to IP address connection

• your personal files

• none of the above

The retransmission of packets must be done when

• Packet is lost

• Packet is corrupted (damaged)

• Both of these choices

What happens if a packet is missing?

• You can no longer have access to that file

• TCP requests another copy of the missing packet

• Your device re-downloads the whole file again

• Your device tries to use the file even with the data packets missing

Who was responsible for inventing the Internet?

• An international team of researchers

• Computer Scientists working for ISPs

• The U.S. military

• The U.S. Congress

How many bits are in a byte?

• 8

• 2

• 10

• 16