срочно
2. Find the corresponding ending for the following statements.

1. This sequence is converted into an analog signal

2. To avoid signal reflections at the near-and far-end hybrid,

3. The signal obtained after echo cancellation

4. The transmitted data consist of a sequence of

5. Near-end crosstalk cancellation must be performed

a) a precise knowledge of the line impedance would be required.

b) is processed by a detector.

c) by a digital to analog convert.

d) to ensure reliable communication.

e) independent and identically disturbed real-valued symbols.