RZO Flashcards

1
Q

Bande passante ?

A

Caractérise les fréquences qu’un support peut transmettre sans perte

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2
Q

Paire torsadée

A

4 paires / cable. Caractérisée par son débit

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3
Q

Limites paire torsadée?

A

RJ45 + bp limitee + rayonne

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4
Q

Catégorie ?

A

Niveau de performance d’un composant seul

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5
Q

Classe ?

A

Niveau de la liaison de l’ensemble des composants A/B/…/G

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6
Q

Supports libres

A

Wifi, blueT, antennes radio

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7
Q

MIC/PCM?

A

Représentation numérique d’un signal

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8
Q

Echantillonnage

A

prélever des échantillons sur un signal, généralement à intervalles de temps régulier, on obtient un signal échantillonné

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