What will the following scapy commands do?
>>> packet=IP(dst="192.168.1/24")/TCP(dport=[80,8080],flags="SA")
>>> ans,unans=sr(packet)
1) Perform a SYN-ACK scan against TCP ports 80 and 8080, on host
2) Perform a SYN scan against ports 80 through 8080 for all hosts on the network
3) Perform a SYN-ACK scan against TCP ports 80 and 8080 for all hosts on the network
4) Perform a "fire-and-forget" SYN-ACK scan against TCP ports 80 and 8080 for all hosts on the network
5) Combine the answered and unanswered results of a previous scan into the sr(packet) variable