Unit 12

Which DSL standard has the fastest speeds immediately outside the CO?

VDSL

How many channels are in an ISDN PRI connection?

23B+D

What kind of network is the PSTN?

Circuit-switched

What kind of device can monitor a connection at the demarc but cannot interpret data?

Smart jack

Where does an MPLS label go in a PDU?

Between Layers 2 and 3

What is the lowest layer of the OSI model at which LANs and WANs support the same protocols?

Layer 3

______________ in SONET are analogous to the ________________ of T-carriers.

OC levels, digital signal levels

What specifications define the standards for cable broadband?

DOCSIS

An organization can lease a private _________________ that is not shared with other users, or a _________________ that can be physically configured over shared lines in the carrier's cloud.

dedicated line, virtual circuit

What method does a GSM network use to separate data on a channel?

TDMA

Unit 12 - Subjecto.com

Unit 12

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Which DSL standard has the fastest speeds immediately outside the CO?

VDSL

How many channels are in an ISDN PRI connection?

23B+D

What kind of network is the PSTN?

Circuit-switched

What kind of device can monitor a connection at the demarc but cannot interpret data?

Smart jack

Where does an MPLS label go in a PDU?

Between Layers 2 and 3

What is the lowest layer of the OSI model at which LANs and WANs support the same protocols?

Layer 3

______________ in SONET are analogous to the ________________ of T-carriers.

OC levels, digital signal levels

What specifications define the standards for cable broadband?

DOCSIS

An organization can lease a private _________________ that is not shared with other users, or a _________________ that can be physically configured over shared lines in the carrier’s cloud.

dedicated line, virtual circuit

What method does a GSM network use to separate data on a channel?

TDMA

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