Computer Networking
Which of the following is true when describing an anycast address?

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

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Computer Networking
The packets switching concept was first proposed

in the late 1980s for the Defense Ministry of US.
in the late 1950s for Defense Ministry of US
None of these
All of these
in the early 1960s for military communication systems, mainly to handle speech

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