Computer Networking
What are the data transmission channels available for carrying data from one location to another?

None of these
Narrowband
All of these
Voiceband
Broadband

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Computer Networking
The research and development department at your office has been experimenting with different technologies to help improve the performance of the network. One group has been examining the use of a broadband network versus a based band network. Select the correct statement about broadband and baseband.

Baseband operates at a standard bit rate, whereas broadband may operate at different rates as needed
Baseband refers to local area networks, and broadband refers to wide area networks.
Broadband networks carry several channels on a single cable, whereas in a baseband network several cables carry one channel
Baseband networks carry a single channel on a single cable, whereas broadband networks carry several channels on a single cable
Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions

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Computer Networking
Which two of the following are true regarding the distance-vector and link-state routing protocols?1. Link state sends its complete routing table out all active interfaces on periodic time intervals.2. Distance vector sends its complete routing table out all active interfaces on periodic time intervals.3. Link state sends updates containing the state of its own links to all routers in the internetwork.4. Distance vector sends updates containing the state of its own links to all routers in the internetwork.

2 and 3 only
None of these
1 only
3 only

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Computer Networking
What is the purpose of flow control?

To ensure that data is retransmitted if an acknowledgment is not received.
To reassemble segments in the correct order at the destination device.
To regulate the size of each segment.
To provide a means for the receiver to govern the amount of data sent by the sender.

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