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Exam 7: Network Reference Models and Standards

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Question 21

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What are the benefits to using a layered approach?

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In a layered approach, each layer is onl...

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Question 22

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The ____________ layer of the TCP/IP model combines the top three layers of the OSI model into one layer.

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Question 23

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In regards to the OSI Reference Model, what is peer communication?

Match each item with a statement below. a.Application layer b.Presentation layer c.Session layer d.Transport layer e.Network layer f.Data Link layer g.Physical layer h.Media Access Control sublayer i.Logical Link Control sublayer j.OSI reference model -This is the general framework for how networking systems should operate.

What layer is responsible for making sure that the data that it sends and receives is in a format that the receiving and sending computers can understand?

One of the problems that can occur in the Network layer is the incorrect configuration of a host's IP address.

One job that a router performs is that of gatekeeper, which means that it can be configured to only allow certain packets access into the network based on a list of rules. What is that process called?

What information would you find in the header of a Transport layer PDU?

The Transport layer is the same in both the OSI model and the TCP/IP model.

What is encoding, and where does it take place?

Match each item with a statement below. a.Application layer b.Presentation layer c.Session layer d.Transport layer e.Network layer f.Data Link layer g.Physical layer h.Media Access Control sublayer i.Logical Link Control sublayer j.OSI reference model -This layer handles communication setup and teardown.

What does the Data Link layer do with a frame after it receives it?

Name the PDU at each layer of the OSI model.

Match each item with a statement below. a.Application layer b.Presentation layer c.Session layer d.Transport layer e.Network layer f.Data Link layer g.Physical layer h.Media Access Control sublayer i.Logical Link Control sublayer j.OSI reference model -This sublayer manages access to the physical medium.

Match each item with a statement below. a.Application layer b.Presentation layer c.Session layer d.Transport layer e.Network layer f.Data Link layer g.Physical layer h.Media Access Control sublayer i.Logical Link Control sublayer j.OSI reference model -Routers operate at this layer.

Which layer is responsible for the encoding of signals?

Match each item with a statement below. a.Application layer b.Presentation layer c.Session layer d.Transport layer e.Network layer f.Data Link layer g.Physical layer h.Media Access Control sublayer i.Logical Link Control sublayer j.OSI reference model -This layer handles data formatting and translation.

Which layer of the OSI model is responsible for protocol conversion, if necessary?

What is the IEEE standard that governs all forms of Ethernet media and interfaces?

Match each item with a statement below. a.Application layer b.Presentation layer c.Session layer d.Transport layer e.Network layer f.Data Link layer g.Physical layer h.Media Access Control sublayer i.Logical Link Control sublayer j.OSI reference model -Computers operate at this layer.