Computer Networking
You have a class A network address 10.0.0.0 with 40 subnets, but are required to add 60 new subnets very soon. You would like to still allow for the largest possible number of host IDs per subnet. Which subnet mask should you assign?

255.240.0.0
255.255.255.255
255.254.0.0
255.248.0.0
255.252.0.0

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Computer Networking
The fundamental requirements of private-to-public network interconnection methods which need to be provided in gateways is/are

adequate cost control mechanisms for administration of the private networks
A and B both
to assign address to private network DTEs
None of these
universal accessibility for private network Data Terminal Equipment (DTE)

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Computer Networking
Which of the following summation operations is performed on the bits to check an error-detecting code?

Checksum
Attenuation
Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions
Coder-decoder
Codec

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