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Exam 2: Introduction to Networking

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Question 1

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In ____ polling, the central control unit, usually a server, polls each client to determine if it has traffic to transmit.

A) roll ahead
B) roll-call
C) go-ahead
D) call-ahead

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Question 2

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Which term refers to unwanted noise from a signal coming across the media at multiple frequencies?

A) Impulse noise
B) White noise
C) Crosstalk
D) Impulse noise.

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Question 3

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The process of modification or manipulation of the medium so that it can carry the message is known as ____________________.

Protocols that are widely accepted become standards.

____ is now the de facto industry standard for short range wireless communications between devices.

Describe the primary focus of security at the Physical layer and explain where it is most problematic.

Match each item with a statement below. a.Application f.Data Link b.Presentation g.Physical c.Session h.Internet d.Transport i.Subnet e.Network -An OSI network model layer responsible for communications between networks.

Which protocol is used for modifying and querying directory services?

Describe the two rules guiding the notation of IPv6.

Describe the premise of the OSI Reference Model.

Match each item with a statement below. a.Application f.Data Link b.Presentation g.Physical c.Session h.Internet d.Transport i.Subnet e.Network -An OSI network model layer responsible for networking support.

Which protocol is typically used for applications such as streaming media?

At the physical layer, a(n) ____________________ is a device that provides a physical connection between a system and a network.

How does the TCP protocol provide a reliable byte stream?

The standard for wireless networks falls under IEEE ____.

Match each item with a statement below. a.Application f.Data Link b.Presentation g.Physical c.Session h.Internet d.Transport i.Subnet e.Network -An OSI network model layer responsible for placing the transmission signal carrying the message onto the communications media.

Match each item with a statement below. a.Application f.Data Link b.Presentation g.Physical c.Session h.Internet d.Transport i.Subnet e.Network -A TCP/IP network model layer that includes the Data Link layer and the Physical layer.

Which port number is used by the Telnet protocol?

What is the primary reason we create networks?

Match each item with a statement below. a.Application f.Data Link b.Presentation g.Physical c.Session h.Internet d.Transport i.Subnet e.Network -An OSI network model layer responsible for providing reliable end-to-end transfer of data between user applications.