Alice was working on her major project: she saved all her confidential files and locked her laptop. Bob wanted to access Alice's laptop for his personal use but was unable to access the laptop due to biometric authentication.
Which of the following network defense approaches was employed by Alice on her laptop?

Which of the following layers of the loT architecture is responsible for delivering services to respective users from different sectors such as building, industrial, manufacturing, automobile, security, and healthcare?

Below are the various steps involved in forensic readiness planning.
l.Keep an incident response team ready to review the incident and preserve the evidence.
2.Create a process for documenting the procedure.
3.ldentify the potential evidence required for an incident.
4.Determine the sources of evidence.
5.Establish a legal advisory board to guide the investigation process.
6.ldentify if the incident requires full or formal investigation.
7.Establish a policy for securely handling and storing the collected evidence.
8.Define a policy that determines the pathway to legally extract electronic evidence with minimal disruption.
Identify the correct sequence of steps involved in forensic readiness planning.

Roxanne is a professional hacker hired by an agency to disrupt the business services of their rival company.
Roxanne employed a special type of malware that consumes a server's memory and network bandwidth when triggered. Consequently, the target server is overloaded and stops responding.
Identify the type of malware Roxanne has used in the above scenario.

Kalley, a shopping freak, often visits different e commerce websites from her office system. One day, she received a free software on her mail with the claim that it is loaded with new clothing offers. Tempted by this, Kalley downloaded the malicious software onto her system. The software infected Kalley's system and began spreading the infection to other systems connected to the network.
Identify the threat source through which Kalley unintentionally invited the malware into the network?

Daniel, a professional hacker, targeted Alice and lured her into downloading a malicious app from a third-party app store. Upon installation, the core malicious code inside the application started infecting other legitimate apps in Alice's mobile device. Daniel overloaded Alice's device with irrelevant and fraudulent advertisements through the infected app for financial gain.
Identify the type of attack Daniel has launched in the above scenario.

Peter, a network defender, was instructed to protect the corporate network from unauthorized access. To achieve this, he employed a security solution for wireless communication that uses dragonfly key exchange for authentication, which is the strongest encryption algorithm that protects the network from dictionary and key recovery attacks.
Identify the wireless encryption technology implemented in the security solution selected by Peter in the above scenario.

Below is the syntax of a command-line utility that displays active TCP connections and ports on which the computer is listening.
netstat [ a] [e] [-nJ [-o] [ p Protocol] [-r] [-s] [interval]
Identify the netstat parameter that displays active TCP connections and includes the process ID (PID) for each connection.

An investigator wants to extract information about the status of the network interface cards (NICs) in an organization's Windows-based systems. Identify the command-line utility that can help the investigator detect the network status.

An loT sensor in an organization generated an emergency alarm indicating a security breach. The servers hosted in an loT layer accepted, stored, and processed the sensor data received from loT gateways and created dashboards for monitoring, analyzing, and implementing proactive decisions to tackle the issue.
Which of the following layers in the loT architecture performed the above activities after receiving an alert from the loT sensor?