FUNDAMENTALS OF COMPUTER

TELECOMMUNICATIONS SYSTEMS

COMMUNICATION WIRELESS COMPUTING DEVICES

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Which signaling method breaks data into pieces and sends the pieces across multiple frequencies in a defined range?

A	FHSS
B	DSSS
C	OFDM
D	CDMA

Explanation:

Detailed explanation-1: -Hub. Hubs connect multiple computer networking devices together. A hub also acts as a repeater in that it amplifies signals that deteriorate after traveling long distances over connecting cables.

Detailed explanation-2: -An NFC-enabled device can operate under three different modes: reader/writer mode, peer-to-peer mode, and card emulation mode.

Detailed explanation-3: -The DS is the backbone or LAN that connects multiple APs (and BSSs) together. The DS allows wireless clients to communicate with the wired network and with wireless clients in other cells. The SSID, also called the network name, groups wireless devices together into the same logical network.

Detailed explanation-4: -All the 802.11 specifications use the Ethernet protocol and Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) for path sharing.

There is 1 question to complete.