Ch. 2 Communication Models Test

What is the purpose of using models in data communications?

Which model is a model of the functionality required to communicate from the source end user to the destination end user?

Why is it important to understand the OSI model in data communications?

What does the mail analogy represent in relation to the OSI model?

In the mail analogy, what does 'the original sender' represent?

What is the critical question addressed regarding the letter in the mail analogy?

What does the OSI model describe and generally specify?

What is true about using models in data communications?

'Modeling' is used for what purpose?

'What do models represent?' According to the text, models represent:

What type of application model dictates how communications and networking software applications are applied?

Which type of system supplies the organization, as well as the boundaries, procedures, and rules?

In control systems, what approach is mentioned as a better method for exchanging data?

What does the publisher-subscriber method allow a client application to communicate with a server for?

Which model refers to a stand-alone PC running a check balancing program?

What are the majority of databases of any size managed by?

In the OSI model, which layer provides the mechanical and electrical means of connecting to the medium?

Which layer of the OSI model is responsible for reliable end-user-to-end-user communications?

What is the primary function of the Session layer in the OSI model?

Which model defines data communications in only five layers, in contrast to the OSI model?

What does the Network layer ensure in the sending end's protocol header?

Which standard divides the OSI Data Link layer into two distinct sublayers: Media Access Control and Logical Link Control?

What does the Presentation layer ensure about communications data?

What does the Application layer do in the OSI model?

Which protocol is not OSI compliant but provides Layer 4 functionality?

What is IEEE 802.3 standard related to?

The Internet Protocol and Internet Packet Exchange are associated with which layer?

What is the role of User Datagram Protocol (UDP) SAPs?

Which layer of the OSI model is responsible for reliable end-user-to-end-user communications?

What is the primary function of the Network layer in the OSI model?

Which protocol is commonly used for connection-oriented communication at Layer 4 of the OSI model?

What is the main responsibility of the Presentation layer in the OSI model?

In the OSI model, where does the line of demarcation between data communications and data processing exist?

Which model defines data communications in only five layers, in contrast to the OSI model?

What is the main focus of Layer 3 in the OSI model?

What does the IEEE 802 standard specifically define for different standard networks?

Which standard network type is defined by IEEE 802.3?

Which protocol is commonly used at Layer 3 of the TCP/IP suite?

What is one of the main concerns of the Session layer in the OSI model?

In the OSI model, what does the Physical layer provide?