Computer Networking
Which of the following best illustrates the default subnet mask for a class A,B, and C Network?

255.0.0.0, 255.255.0.0, 255.255.255.0
255.255.255.0, 255.255.0.0, 255.0.0.0
None of these
0.0.0.0, 0.0.0.1, 0.0.1.1
255.255.0.0, 255.255.255.0, 255.255.255.255

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Computer Networking
Which is true regarding EIGRP successor routes?1. A successor route is used by EIGRP to forward traffic to a destination.2. Successor routes are saved in the topology table to be used if the primary route fails.3. Successor routes are flagged as "active" in the routing table.4. A successor route may be backed up by a feasible successor route.5. Successor routes are stored in the neighbor table following the discovery process.

1 and 4
2 and 3
3, 4 and 5
1 and 3

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Computer Networking
Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called?

None of these
Paperless office
Electronic mail
Global network
Electronic newspaper

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