Unit 2 Test Practice

One byte is how many bits?

What type of error results from attempting to represent a number that is too large?

What protocol is responsible for sending data across the Internet and assigning each device a unique address?

• IP
• TCP

• UDP

• DNS

Which protocol is responsible for translating domain names like example.com into IP addresses?

• IP

• TCP

• UDP

• DNS

What protocol is most responsible for ensuring messages are assembled in the correct order?

• IP

• TCP

• UDP

• DNS

What is the term for additional data (such as an address) that helps a packet get to its destination?

True or false: packets always arrive in the order they were sent

• True

• False

What is the inclusion of extra components so that a system can continue to work even if individual components fail, for example by having more than one path between any two connected devices in a network?

Pick the two statements that are true about the Internet Protocol (IP)

• Each device or computer on the Internet is assigned a unique IP address

• IP is a secret protocol shared between the sender and receiver

• Each network on the Internet uses its own protocol to address messages

• In order to communicate two devices on the Internet must have the same IP address.

• IP is the shared way that all devices and computers label their messages with the sender and receiver's addresses

Pick Two: If the post office delivered mail exactly like the routers deliver messages on the Internet, which of the following statements would be true?

• One mailman would be responsible for delivering a letter from sender to receiver

• The mailman would sometimes take a different path to deliver each letter to your home

• Letters would be written on the outside of the envelope for all to read instead of letters put inside envelopes

• Your mail could not be delivered if a road your mailman was planning to take were under construction.