Polycom
1K0-002 · Question #237
Of the following, select three functions that the ISDN Functional Group NT-1 for Basic Rate Interface provides.
The correct answer is B. May provide phantom power over the TX and RX loops of S/T reference C. Provides conversion between the 2-wire U and 4-wire S/T references F. Allows the Local Exchange to access and perform maintenance to local loop. See the full explanation below for the reasoning.
Question
Of the following, select three functions that the ISDN Functional Group NT-1 for Basic Rate Interface provides.
Options
- AMay provide conversion between LEC and the PBX
- BMay provide phantom power over the TX and RX loops of S/T reference
- CProvides conversion between the 2-wire U and 4-wire S/T references
- DProvides power to allow the U Reference to be longer from the Local Exchange
- EAllows the Local Exchange to Down speed the local loop
- FAllows the Local Exchange to access and perform maintenance to local loop
How the community answered
(35 responses)- A6% (2)
- B80% (28)
- D11% (4)
- E3% (1)
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