When reviewing traces from an IDS, the following entries are observed:
Date Time Source IP Destination IP Port Type
10/21 0900 192.168.5.2 10.10.2.1 20 SYN
10/21 0915 192.168.5.2 10.10.2.1 21 SYN
10/21 0920 192.168.5.2 10.10.2.1 23 SYN
10/21 0930 192.168.5.2 10.10.2.1 25 SYN
Which of the following is MOST likely occurring?

A.
Port scanning

B.
SYN Flood

C.
Denial of service (DoS)

D.
Expected TCP/IP traffic