Networking Basics: 5.4.3 Quiz

What is the purpose of the OSI physical layer?

• • controlling access to media

• • transmitting bits across the local media

• • performing error detection on received frames

• • exchanging frames between nodes over physical network media

Which statement is correct about network protocols?

• • Network protocols define the type of hardware that is used and how it is mounted in racks.

• • They define how messages are exchanged between the source and the destination.

• • They all function in the network access layer of TCP/IP.

• • They are only required for exchange of messages between devices on remote networks.

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

• • IANA

• • TCP/IP

• • IEEE

• • IETF

• • OSI

Which organization publishes and manages the Request for Comments (RFC) documents?

• • IANA

• • TCP/IP

• • IEEE

• • IETF

• • OSI

What networking term describes a particular set of rules at one layer that govern communication at that layer?

• • duplex

• • encapsulation

• • error checking

• • protocol

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

• • application

• • presentation

• • session

• • transport

• • network

What is the purpose of protocols in data communications?

• • specifying the bandwidth of the channel or 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

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

• • standard

• • protocol

• • model

• • domain

Which three layers of the OSI model make up the application layer of the TCP/IP model? (Choose three.)

• • session

• • presentation

• • application

• • data link

• • network

Which two OSI model layers have the same functionality as a single layer of the TCP/IP model? (Choose two.)

• • session

• • physical

• • application

• • data link

• • network