Please answer it within 5min.

1 point When OSPF is configured into several OSPF areas, a node sends LSAs (link state advertisements) to all other nodes in all OSPF areas. F 1 point An ICMP error is not sent in response to an IP packet carrying another ICMP error message. F In a connection-less service (transport layer), the client and the server first 1 point need to establish a logical connection between themselves. * T OF