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Computer Networking

Computer Networking
Which of the following device copies electrical signals from one Ethernet to another?

bridge
None of these
hub
repeater
passive hub

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Computer Networking
What frequency range is used for FM radio transmission?

Low Frequency : 30 kHz to 300 kHz
Very Low Frequency : 3 kHz to 30. kHz
High Frequency : 3 MHz to 30 MHz
None of these
Very High Frequency : 30 MHz to 300 MHz

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Computer Networking
What is the maximum distance with maximum data rate for 802.11a?

About 65-75 feet
About 90-100 feet
About 150 feet
Over 200 feet

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Computer Networking
Which of the following encapsulates PPP frames in Ethernet frames and uses common PPP features like authentication, encryption, and compression?

PPPoE
PPP
PPPoA
Token Ring

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Computer Networking
You have 10 users plugged into a hub running 10Mbps half-duplex. There is a server connected to the switch running 10Mbps half-duplex as well. How much bandwidth does each host have to the server?

10 Mbps
1 Mbps
2 Mbps
100 kbps

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Computer Networking
Correct method for full duplex mode of communication is:

Both stations can transmit and receive data at the
One device can send other device can only accepts.
One device sends and other device receives and vic
None of these

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