Chapter 3 Quiz

1. Which three acronyms/initialisms represent standards organizations? (Choose three.)

• IANA
• IEEE
• IETF
• TCP/IP
• OSI

2. What type of communication will send a message to all devices on a local area network?

• broadcast
• multicast
• unicast
• allcast

3. In computer communication, what is the purpose of message encoding?

• to convert information to the appropriate form for transmission
• to interpret information
• to break large messages into smaller frames
• to negotiate correct timing for successful communication

4. Which message delivery option is used when all devices need to receive the same message simultaneously?

• duplex
• unicast
• multicast
• broadcast

5. What are two benefits of using a layered network model? (Choose two.)

• it assists in protocol design
• it speeds up packet delivery
• it prevents designers from creating their own model
• it prevents technology in one layer from affecting other layers
• it ensures a device at one layer can function at the next higher layer

6. What is the purpose of protocols in data communications?

• specifying the bandwidth of the channel of medium for each type of communication
• specifying the device operating systems that will support the communication
• providing the rules required for a specific type of communication to occur
• dictating the content of the message sent during communication

7. Which logical address is used for delivery of data to a remote network?

• destination MAC address
• destination IP address
• destination port number
• source MAC address
• source IP address

8. What is the general term that is used to describe a piece of data at any layer of a networking model?

• frame
• packet
• protocol data unit
• segment

9. Which two protocols function at the internet layer? (Choose two.)

• POP
• BOOTP
• ICMP
• IP
• PPP

10. Which layer of the OSI model defines services to segment and reassemble data for individual communications between end devices?

• application
• presentation
• session
• transport
• network