Check Your Understanding Questions
Complete all the review questions listed here to test your understanding of the topics and concepts in this chapter. Appendix A, “Answers to the ‘Check Your Understanding‛ Questions,” lists the answers.
Which organization publishes and manages the Request for Comments (RFC) documents?
What identifier is used at the data link layer to uniquely identify an Ethernet device?
UDP port number
TCP port number
Which layers of the OSI model are comparable in function to the application layer of the TCP/IP model? (Choose three.)
Which term refers to a common set of rules that are developed to define rules by which network equipment from different vendors can interoperate?
Which standards organization publishes current Ethernet standards?
Which statement describes a MAC address?
It contains two portions: the network portion and a host portion.
It is 128 bits in length.
It identifies the source and destination addresses of hosts on the Internet.
It is a physical address assigned to an Ethernet NIC by the manufacturer.
Which elements do all communication methods have in common? (Choose three.)
Which layers of the OSI model specify protocols that are associated with Ethernet standards? (Choose two.)
Data link layer
Which layer of the OSI model defines services to segment and reassemble data for individual communications between end devices?
Which statement defines a data communications protocol?
An alliance of network device manufacturers
A set of product standards for types of network devices
An exchange agreement of network devices among vendors
A set of rules that govern the communication process