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 only
3 and 4 only
1 and 2 only

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Computer Networking
Which of the following is true when describing a multicast address?

Packets addressed to a unicast address are delivered to a single interface.
Identifies multiple interfaces and is only delivered to one address. This address can also be called one-to-one-of-many.
These addresses are meant for nonrouting purposes, but they are almost globally unique so it is unlikely they will have an address overlap.
Packets are delivered to all interfaces identified by the address. This is also called a one-to-many address.

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