Exam 13: Enterprise and Wide Area Networks

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____ allow network administrators to group users and resources logically instead of by physical location.

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How does store-and-forward switching work?

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With respect to a modem, what is synchronous communication?

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A(n)____________________ occurs when so many broadcast frames are sent on the network that other types of traffic can't be processed.

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Match each term with the correct statement below.
high-speed multiport bridge
metric
accepts a signal, cleans it, regenerates it, and sends it down the line, effectively doubling the length of the network
line conditioning
time it takes a signal to travel from the source device to the destination device
bridge
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high-speed multiport bridge
metric
accepts a signal, cleans it, regenerates it, and sends it down the line, effectively doubling the length of the network
line conditioning
time it takes a signal to travel from the source device to the destination device
bridge
intricate piece of networking equipment that translates information between two dissimilar network architectures or data formats
propagation delay
device for making an analog connection between computers over a telephone line, effectively making a WAN connection between computers or networks
switch
advanced device that connects separate logical networks to form an internetwork
repeater
in a routing table, value that describes the distance to the destination network
modem
connects two network segments and can connect dissimilar physical media; limits traffic on each segment and reduces bottlenecks
router
feature of dedicated circuits that improves overall signal quality and reduces interference and noise
gateway
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What is a transparent bridge?

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What is static routing?

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What is B-ISDN?

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PSTN is a packet switched network.

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____ switching reads enough of the frame to guarantee that the frame is at least the minimum size for the network type.

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What is PPP?

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There are three primary synchronous communication protocols: SDLC, HDLC, and ____.

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____________________ (DDS)lines are direct or point-to-point synchronous communication links with 2.4, 4.8, 9.6, or 56 Kbps transmission rates.

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A(n)____ line has 28 T1s or 672 channels and supports a data rate of 44.736 Mbps.

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One type of frame error that can occur in a network is a(n)____________________, in which the frame is damaged because of a collision or a malfunctioning device, such as a NIC or hub.

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____ bridges are used primarily in token ring networks.

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____ virtual circuits are similar to leased lines, in that the pathway between two communication points is established as a permanent logical connection; therefore, the pathway exists even when it's not in use.

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All versions of Windows, starting with Windows 95, include Dial-Up Networking (DUN)software to make an RRAS connection.

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DDS uses a communication device called a(n)____ to establish connections.

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The interface for ISDN is sometimes referred to as a(n)____.

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