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Mr. Dubey • 51.17K Points
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Q. 121) Sensors Common Nodes .......

(A) mainly responsible for collecting sensor data.
(B) that are responsible for receiving, storing, processing, aggregating data
(C) that connect sink nodes to external entities
(D) none of the above
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Mr. Dubey • 51.17K Points
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Q. 122) WiMAX provides                  

(A) simplex communication
(B) half duplex communication
(C) full duplex communication
(D) no communication
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Mr. Dubey • 51.17K Points
Coach

Q. 123) WiMAX provides                

(A) voip services
(B) iptv services
(C) both voip and iptv services
(D) no iptv services
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Mr. Dubey • 51.17K Points
Coach

Q. 124) What is the access point (AP) in a wireless LAN?

(A) device that allows wireless devices to connect to a wired network
(B) wireless devices itself
(C) both device that allows wireless devices to connect to a wired
(D) all the nodes in the network
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Mr. Dubey • 51.17K Points
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Q. 125) In Bluetooth,multiple                  form a network called a ------------

(A) scatternet; piconets
(B) piconets: scatternet
(C) piconets: bluenet
(D) bluenet; scatternet
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Mr. Dubey • 51.17K Points
Coach

Q. 126) The bluetooth supports

(A) point-to-point connections
(B) point-to-multipoint connection
(C) both (a) and (b)
(D) none of the above
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Mr. Dubey • 51.17K Points
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Q. 127) Frequency range supported in Zigbee .............

(A) 2.4 ghz worldwide
(B) 2.0 ghz worldwide
(C) 2.1 ghz worldwide
(D) 3.4 ghz worldwide
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Mr. Dubey • 51.17K Points
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Q. 128) There is more than ............... cell nodes in zigbee.

(A) 66000
(B) 65000
(C) 60000
(D) 70000
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Mr. Dubey • 51.17K Points
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Q. 129) ZigBee developed under ..............

(A) ieee 802.15.1.
(B) ieee 802.15.2.
(C) ieee 802.15.3.
(D) ieee 802.15.4.
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Mr. Dubey • 51.17K Points
Coach

Q. 130) A Body Area Network or BAN consists ...............

(A) wireless devices to connect to a wired network
(B) set of mobile and compact sensors
(C) sensors & communication devices
(D) wearable device & sensors
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