Cognizant Cyber Security Analyst Interview Questions and Answers

IP blocking is a common security measure to prevent unauthorized access to devices and networks.

• Implement IP blocking on login devices to prevent unauthorized access from specific IPs.

• Regularly check for malicious IPs in devices and block them to prevent security breaches.

• Utilize tools like firewalls and intrusion detection systems to monitor and block malicious IPs.

• Consider implementing automated scripts or tools to s...read more

Yes, email gateways can block email spam if configured properly.

• Email gateways use various techniques like blacklists, whitelists, content filtering, and sender authentication to block spam.

• Spam emails are typically identified based on keywords, sender reputation, and other factors.

• Advanced email gateways may also use machine learning algorithms to detect and block spam.

• Regular updates and monitoring of email gateway s...read more

F5 devices can be used for security white listing to control access to specific applications or services.

• F5 devices can be used to create white lists of approved IP addresses, URLs, or applications that are allowed to access a network.

• This helps prevent unauthorized access and reduces the attack surface for potential threats.

• For example, an organization can use F5 devices to white list specific IP addresses for remote

When upgrading Cisco devices for email and IP, it is important to plan and execute the upgrade carefully.

• Ensure compatibility of new devices with existing infrastructure

• Backup configurations and data before starting the upgrade

• Test the new devices in a controlled environment before deploying them

• Consider any security implications of the upgrade

• Train staff on how to use the new devices effectively