An organization detected an unauthorized access attempt from an IP address located in a different country. They want to proactively block future attempts from that entire IP range. Which system would they use to implement this action?
- Firewall
- Intrusion Prevention System (IPS)
- Proxy Server
- Virtual Private Network (VPN)
The organization would use a 'Firewall' to proactively block future access attempts from that entire IP range. Firewalls are network security devices that can filter and control incoming and outgoing traffic based on security policies, including blocking access from specific IP addresses or ranges.
When experiencing packet loss in a network, which protocol is primarily responsible for ensuring data integrity and retransmission?
- HTTP (Hypertext Transfer Protocol)
- IP (Internet Protocol)
- TCP (Transmission Control Protocol)
- UDP (User Datagram Protocol)
The 'TCP (Transmission Control Protocol)' is responsible for ensuring data integrity and retransmission in the presence of packet loss. It guarantees reliable, error-free communication by acknowledging the receipt of data packets and retransmitting any lost packets.
In a neural network, the process of adjusting the weights and biases to minimize the error is called __________.
- Initialization
- Propagation
- Training
- Validation
In a neural network, the process of adjusting the weights and biases to minimize the error is called "training." During training, the network learns from the data and makes gradual adjustments to improve its performance.
An essential consideration for IoT security is ensuring the _______ of data as it is transferred from devices to servers.
- Availability
- Confidentiality
- Integrity
- Performance
IoT security requires data 'Integrity' to ensure that data remains unchanged during transmission from IoT devices to servers, preventing data tampering.
A project manager receives feedback from the quality team that certain features do not meet the quality standards. What should be the project manager's immediate step?
- Blame the quality team for the issues.
- Ignore the feedback and proceed with the project.
- Prioritize the project's schedule over quality.
- Review and address the quality issues.
When a project manager receives feedback from the quality team indicating quality issues, the immediate step should be to review and address these issues. Ignoring quality concerns can lead to project failure or costly rework later. It's crucial to ensure that the project meets the required quality standards to deliver a successful outcome.
Which type of attack involves overwhelming a network or service with a flood of illegitimate requests to cause it to become unavailable to users?
- Spoofing Attack
- DDoS Attack
- Phishing Attack
- Injection Attack
A "DDoS Attack" (Option b) stands for "Distributed Denial of Service" attack. It involves multiple systems flooding a network or service with a high volume of illegitimate requests, making it unavailable to users. This is a common attack used to disrupt online services.
Which advanced threat detection approach uses machine learning to detect malware content in real time?
- Behavioral Analysis
- Heuristic Analysis
- Sandbox Analysis
- Signature-Based Detection
'Behavioral Analysis' is an advanced threat detection approach that uses machine learning to analyze the behavior of files and processes in real time, identifying abnormal activities and potentially harmful content.