Computer Networking
The main difference between synchronous and asynchronous transmission is

the bandwidth required is different
the pulse height is different.
None of these
the clocking is derived from the data in synchronous transmission
the clocking is mixed with the data in asynchronous transmission

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Computer Networking
A network administrator is connecting hosts A and B directly through their Ethernet interfaces, as shown in the illustration. Ping attempts between the hosts are unsuccessful. What can be done to provide connectivity between the hosts?1. A crossover cable should be used in place of the straight-through cable.2. A rollover cable should be used in place of the straight-through cable.3. The subnet masks should be set to 255.255.255.192.4. A default gateway needs to be set on each host.5. The subnet masks should be set to 255.255.255.0.

1 only
3 and 4 only
2 and 5 only
1 and 5 only
2 only

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Computer Networking
You are working with a network that has the network ID 10.9.0.0 and contains 73 networks. In the next year, you will be adding an additional 27 branch offices to your company. For simplified management, you want to keep the most possible hosts per subnet. Which subnet mask should you management, you want to keep the most possible hosts per subnet. Which subnet mask should you use?

255.248.0.0
255.224.0.0
255.240.0.0
255.252.0.0
255.254.0.0

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