Bluetooth communicates data using low-power radio waves that are within the frequencies ______ and _______

A. 2.304 mhz, 2.382mhz
B. 2.402 mhz, 2.480 mhz
C. 2.304 ghz, 2.382ghz
D. 2.402 ghz, 2.480 ghz

In wireless communications, how are collisions made oblivious to its users?

A. By hiding nodes in a network
B. By increasing the signal strength
C. By avoiding interference of unwanted signals
D. By exposing the terminals in a network

__________ uses all its energy in gathering data signals at one particular direction.

A. Bidirectional antenna
B. Unidirectional antenna
C. Directional antenna
D. Omnidirectional antenna

Personal Communication Services (PCS) and Digital Cellular Services are based on cell based technology.

A. True
B. False
C.
D.

What is a Scatternet?

A. It is a group of interconnected micronets
B. It is a group of interconnected mininets
C. It is a group of interconnected intranets
D. It is a group of interconnected piconets

Which of the following uses Bluetooth as a Wireless technology?

A. Personal area network
B. Local area network
C. Wide area network
D. Metropolitan area network

For an IP based protocol, the MPLS label is inserted between which two headers?

A. Ieee 802.3 mac header and network layer ip header
B. Ieee 802.11 mac header and transport layer mac header
C. Transport layer ip header and network layer ip header
D. Physical layer mac header and data link layer ip header

The method for taking advantage of optical wavelength of transmission, in order to increase capacity of information in an optical transmission medium is known as __________

A. Wavelength division multiplexing (wdm)
B. Time division multiplexing (tdm)
C. Frequency division multiplexing (fdm)
D. Code division multiplexing (cdm)

In a twisted-pair cable, the gauge of the wire and the type of twist determines the _________

A. Mode of transmission
B. Quality of transmission
C. Frequency of transmission
D. Channels of transmission

Narrow-band LAN technology uses _________ mode of transmission.

A. Full duplex
B. Analog
C. Digital
D. Half duplex