Chapter 2 Review: The OSI Model

Standards define the ____ performance of a product or service.

• ideal

• most acceptable

• minimum acceptable

• maximum acceptable

The goal of ____ is to establish international technological standards to facilitate the global exchange of

information and barrier free trade.

• ANSI

• ITU

• ISO

• ISOC

The ____ is a specialized United Nations agency that provides developing countries with technical expertise

and equipment to advance those nations’ technological bases.

• ANSI

• ITU

• ISO

• ISOC

____ oversees the IAB (Internet Architecture Board).

• EIA

• ICANN

• ISOC

• ISO

Which statement accurately describes the OSI model?

• It describes how software programs interact with humans.

• It prescribes the type of hardware or software that should support each layer.

• It describes how software programs interact with other software programs.

• It describes a theoretical representation of what happens between two nodes communicating on a network.

Which OSI model layer initiates the flow of information?

• Physical

• Session

• Application

• Presentation

Which OSI model layer manages data encryption?

• Physical

• Session

• Application

• Presentation

In which OSI model layer does TCP operate?

• Physical

• Transport

• Network

• Data Link

Which type of protocol is useful when data must be transferred quickly?

• connection-oriented

• TCP

• connectionless

• IP

Transport layer protocols break large data units into ____.

• PDUs

• segments

• frames

• block IDs