Following are Security Group inbound rules. What is the correct statement below?
 

Answer options:

A.Only some rules are correct.
B.HTTP port 80 for source 10.10.1.148/32 is duplicated.
C.SSH port 22 for source 10.10.1.0/28 is duplicated.
D.Custom UDP rule port 3000 for source 10.10.1.148/32 is duplicated.

Answer: B
Let`s take a look at the inbound rules.
· Rule # 3 defines ALL TCP allowed for 10.10.1.148 IP address
· Rule # 2 and # 4 define port 80 and 22 allowed for IP addresses 10.10.1.0- 10.10.1.16.
· Rule # 1 defines port 80 for 10.10.1.148 IP address.
· Rule # 5 defines custom UDP port 3000 for 10.10.1.148 IP address. Out of these rules, only rule # 1 is duplicated with rule # 3.
So option B is correct.