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Computer Networking

Computer Networking
The topology with highest reliability is:

Bus topology
Ring topology
Mesh topology
Star topology

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Computer Networking
Acknowledgments, sequencing, and flow control are characteristics of which OSI layer?

Layer 3
Layer 7
Layer 4
Layer 2

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Computer Networking
A 6-MHz channel is used by a digital signaling system utilizing 4-level signals. What is the maximum possible transmission rate?

24 Mbaud/sec
None of these
6 Mband/sec
1.5 Mbaud/sec
12 Mbaud/sec

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Computer Networking
You need to subnet a network that has 5 subnets, each with at least 16 hosts. Which classful subnet mask would you use?

255.255.255.240
255.255.255.192
255.255.255.224
255.255.255.248

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Computer Networking
If odd parity is used for ASCII error detection, the number of 0s per eight-bit symbol is _____.

42
odd
indeterminate
even

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Computer Networking
Telecommunication networks frequently interconnect an organization with its customers and suppliers. Select the best fit for answer:

Inter organizational networks
Switching alternating
Bandwidth alternatives
Extranets
None of these

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