Network+

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Key Terms


^^efore you take the exam, be certain that you are familiar with the following terms:


100BaseVG


concentrator


100VG (Voice Grade)


connectionless services


100VGAnyLAN


connection-oriented services


10BaseFL


controller


AnyLAN


default gateway


asymmetrical digital subscriber line (ADSL)


dialogs


baseband


distance vector routing protocol


bounded media


dynamic routing


broadband


encoding


brouter


Ethernet address


carrier


Extended AppleTalk network


categories


Fast Ethernet


checkpoints


Fiber Distributed Data Interface (FDDI)


collision


Frequency Division Multiplexing (FDM)

regeneration process


routing


routing table


shielded


signal encoding


signaling method


static routing


subnet mask


token


transceiver


twisted-pair


type


unshielded


virtual private networking (VPN)

Review Questions


1.    Which layer of the OSI model ensures reliable, end-to-end communications?


A.    Network


B.    Transport


C.    Session


D.    Presentation


2.    Which layer of the OSI model provides routing functionality?


A.    Transport


B.    Data Link


C.    Physical


D.    Network


3.    Which layer of the OSI model translates the data from upper-layer protocols into electrical signals and places them on the network media?


A.    Physical


B.    Transport

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