Question # 1

___________ is used for audio and video, since these have predefined maximum data rates

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Constant bite rate services

Variable Bit Rate (VBR) service

Available Bit Rate (ABR) service

Computer networks are often called -------------- because they use packet technology.

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Ethernet

Switch networks

Packet networks

None of the above

The term self-identifying is used for Classful IP addresses because the class of the address can be computed from the address__________.

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itself

prefix

suffix

mask

A multicast routing scheme in which the protocol software builds a delivery tree from a central point is called__________

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Distance Vector Multicast Routing Protocol (DVMRP)

Core Based Trees (CBT)

Protocol Independent Multicast_ Sparse Mode

Although message exchange can be used to bind addresses, sending a request for each binding is hopelessly inefficient.

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True

False

Not Sure

A ---------- provide a mechanism that a customer can use to set a physical address

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Static addressing scheme

Configurable addressing scheme

Dynamic addressing scheme

None of the given

The product of delay and throughput measures the _____ of data that can be present on the network.

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Area

volume

Length

none of the given

An interface for thin Ethernet must have an ____________ connector, and must enerate signals according to the_____________ specification.

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RJ-45, 10 Base T

RJ-45, 10 Base 5

BNC, 10 Base 2

BNC, 10 Base T

________ identifies the application program that sent the data.

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Destination Port

Source port

Logical address

None of the given

In ---------, network occupies larger areas like cities & countries.

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LAN

WAN

MAN

None of the given

Most WAN systems include a mechanism that can be used to eliminate the common case of duplication routing is called___________

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Hierarchal address

Default route

Shortest path

None of the given

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