Computer Networking
Which of the following are true regarding OSPF areas?1. You must have separate loopback interfaces configured in each area.2. The numbers you can assign an area go up to 65,535.3. The backbone area is also called area 0.4. If your design is hierarchical, then you don't need multiple areas.5. All areas must connect to area 0.

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

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Computer Networking
How should a router that is being used in a Frame Relay network be configured to keep split horizon issues from preventing routing updates?

Configure many subinterfaces in the same subnet.
Configure a separate subinterface for each PVC with a unique DLCI and subnet assigned to the subinterface.
Configure each Frame Relay circuit as a point-to-point line to support multicast and broadcast traffic.
Configure a single subinterface to establish multiple PVC connections to multiple remote router interfaces.

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