Question 1

WannaCry, an attack, spread throughout the world in May 2017 using machines running on outdated Microsoft operating systems. What is WannaCry?

Options :

A : Ransomware

B : Malware

Answer: A

Question 2

What is the response from an open UDP port which is not behind a firewall?

Options :

A : ICMP message showing Port Unreachable

B : No response

C : A SYN packet

D : A FIN packet

Answer: B

Question 3

What will be the subnet mask for 192.168.0.1?

Options :

A : 255.255.255.0

B : 255.225.225.0

C : 255.255.192.0

D : 255.225.192.0

Answer: C

Question 4

Which of the aforementioned SSL/TLS protocols are considered to be unsafe?

Options :

A : SSLv2 and SSLv3

B : TLSv1.0 and TLSv1.1

C : Both A and B

D : SSLv2, SSLv3, TLSv1.0, TLSv1.1, TLSv1.2, and TLSv1.3

Answer: C

Question 5

Where are the password hashes stored in the Linux file system?

Options :

A : /etc/passwd

B : /etc/password

C : /etc/shadow

D : /usr/bin/shadow

Answer: C