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
255.254.0.0
255.252.0.0
255.240.0.0

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Computer Networking
The network layer, in reference to the OSI model, provide

data link procedures that provide for the exchange of data via frames that can be sent and received
the interface between the X.25 network and packet mode device
None of these
All of these
the virtual circuit interface to packet-switched service

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Computer Networking
When setting up Frame Relay for point-to-point subinterfaces, which of the following must not be configured?

The Frame Relay encapsulation on the physical interface
The local DLCI on each subinterface
An IP address on the physical interface
The subinterface type as point-to-point
PAP

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