Computer Networking
With an IP address set starting with 150, you currently have six offices that you are treating as subnets. Plans are in place to open 10 more offices before the end of the year. What subnet mask should you use to satisfy the needed number of subnets and maximize the number of hosts available at each site?

252
248
240
224
192

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Computer Networking
In geosynchronous orbit, satellite

remains in a fixed position so that as earth rotates, it can fully cover the earth
moves simultaneously
None of these
remains in a fixed position related to points on earth
moves faster than the earth's rotation so that it can cover larger portion of earth.

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Computer Networking
The main difference between synchronous and asynchronous transmission is

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

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