Question 1

Which of the following configurations is the best practice for securing a wireless network?

Options :

A : Disabling encryption and using an open network

B : Using WEP encryption and a weak password

C : Using WPA2 encryption with a strong password

D : Broadcasting the network name (SSID) and using MAC address filtering

Answer: C

Question 2

Which of the following security protocols provides secure remote access to network resources through a virtual private network (VPN)?

Options :

A : HTTPS

B : SMTP

C : FTP

D : IPsec

Answer: D

Question 3

Which of the following scenarios represents an example of a SQL injection attack and how can it be prevented?

Options :

A : A hacker uses a web application form to submit malicious code that is then executed by the database server. This can be prevented by implementing parameterized queries and input validation.

B : A hacker hijacks a user-s session and uses their login credentials to gain unauthorized access to a database. This can be prevented by implementing strong access controls and regularly updating passwords.

C : A hacker intercepts network traffic and steals user credentials, including database login information. This can be prevented by encrypting network communication using SSL/TLS and implementing secure authentication mechanisms.

D : A hacker gains physical access to a database server and manipulates the data directly. This can be prevented by implementing strict physical security measures and monitoring access logs.

Answer: A

Question 4

Which of the following is a best practice for securing IoT devices?

Options :

A : Regularly update the firmware

B : Disable all security features

C : Use default login credentials

D : Connect IoT devices directly to the internet without any firewall

Answer: A

Question 5

Which security feature in a firewall is used to prevent unauthorized access to an internal network by filtering incoming and outgoing traffic based on a set of predefined rules?

Options :

A : Intrusion Detection System (IDS)

B : Intrusion Prevention System (IPS)

C : Virtual Private Network (VPN)

D : Access Control List (ACL)

Answer: D