Networking Communication Principles

What identifier is used at the data link layer to uniquely identify an Ethernet device?

• MAC address

• TCP port number

• UDP port number

• IP address

• Sequence number

Which three layers of the OSI model are comparable in function to the application layer of the TCP/IP model? (Choose three.)

• Physical

• Presentation

• Transport

• Session

• Application

Which statement describes a MAC address?

• It contains two portions, the network portion and the host portion

• it is 128-bits in length

• It is a physical address assigned to an Ethernet NIC by the manufacturer

• it identifies the source and destination addresses of hosts on the internet

Which three elements do all communication methods have in common? (Choose three.)

• Message destination

• Message type

• Message Source

• Transmission medium

• Message Priority

Which two layers of the OSI model specify protocols that are associated with Ethernet standards? (Choose two.)

• network layer

• Data link layer

• Session layer

• Physical layer

• Transport layer

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

• Network

• Application

• Transport

• Presentation

• session

Which statement defines a data communications protocol?

• An alliance of network device manufacturers

• A set of rules that govern the communication process

• A set of product standards for types of network devices

• An exchange agreement of network devices among vendors

Which standards organization publishes current Ethernet standards?

• CCITT

• ANSI

• IEEE

• EIA/TIA

Which term refers to the set of rules that define how a network operates?

• Model

• Domain

• Protocol

• Standard

Which protocol is used by routers to forward messages?

• HTTP

• TCP

• IP

• Ethernet