Most Recent Eccouncil 212-82 Exam Questions & Answers

/var/log/boot.log is the Linux log file accessed by Nancy in the above scenario. Linux is an open-source operating system that logs various events and activities on the system or network. Linux log files are stored in the /var/log directory, which contains different types of log files for different purposes. /var/log/boot.log is the type of log file that records events related to the booting process of the Linux system, such as loading drivers, services, modules, etc. /var/log/boot.log can help identify issues related to unexpected shutdowns and restarts on a Linux machine . /var/log/secure is the type of log file that records events related to security and authentication, such as logins, logouts, password changes, sudo commands, etc. /var/log/kern.log is the type of log file that records events related to the kernel, such as kernel messages, errors, warnings, etc. /var/log/lighttpd/ is the directory that contains log files related to the lighttpd web server, such as access logs, error logs, etc.

Containment is the IH&R step performed by Warren in the above scenario. IH&R (Incident Handling and Response) is a process that involves identifying, analyzing, containing, eradicating, recovering from, and reporting on security incidents that affect an organization's network or system. Containment is the IH&R step that involves implementing appropriate measures to stop the infection from spreading to other organizational assets and to prevent further damage to the organization . Containment can be done by isolating the affected system or network, blocking malicious traffic or communication, disabling or removing malicious accounts or processes, etc. Recovery is the IH&R step that involves restoring the normal operation of the system or network after eradicating the incident. Eradication is the IH&R step that involves removing all traces of the incident from the system or network, such as malware, backdoors, compromised files, etc. Incident triage is the IH&R step that involves prioritizing incidents based on their severity, impact, and urgency.

A hub-and-spoke VPN topology is a type of VPN topology where all the remote offices communicate with the corporate office, but communication between the remote offices is denied. The corporate office acts as the hub, and the remote offices act as the spokes. This topology reduces the number of VPN tunnels required and simplifies the management of VPN policies. A point-to-point VPN topology is a type of VPN topology where two endpoints establish a direct VPN connection. A star topology is a type of VPN topology where one endpoint acts as the central node and connects to multiple other endpoints. A full-mesh VPN topology is a type of VPN topology where every endpoint connects to every other endpoint.

The use of authorized RTU and PLC commands is the security control implemented by Hayes in the above scenario. RTU (Remote Terminal Unit) and PLC (Programmable Logic Controller) are devices that control and monitor industrial processes, such as power generation, water treatment, oil and gas production, etc. RTU and PLC commands are instructions that are sent from a master station to a slave station to perform certain actions or request certain data. The use of authorized RTU and PLC commands is a security control that fortifies the IDMZ (Industrial Demilitarized Zone) against cyber-attacks by ensuring that only valid and authenticated commands are executed by the RTU and PLC devices. Point-to-point communication is a communication method that establishes a direct connection between two endpoints. MAC authentication is an authentication method that verifies the MAC (Media Access Control) address of a device before granting access to a network. Anti-DoS solution is a security solution that protects a network from DoS (Denial-of-Service) attacks by filtering or blocking malicious traffic.

Permissive policy is the type of Internet access policy implemented by George in this scenario. An Internet access policy is a policy that defines the rules and guidelines for accessing the Internet from a system or network. An Internet access policy can be based on various factors, such as security, productivity, bandwidth, etc. An Internet access policy can have different types based on its level of restriction or control. A permissive policy is a type of Internet access policy that allows users to access any site, download any application, and access any computer or network without any restrictions. A permissive policy can be used to provide maximum flexibility and freedom to users, but it can also pose significant security risks and challenges. In the scenario, George implemented an Internet access policy that allowed employees working from a remote location to access any site, download any application, and access any computer or network without any restrictions. This means that he implemented a permissive policy for those employees. A paranoid policy is a type of Internet access policy that blocks or denies all Internet access by default and only allows specific sites, applications, or computers that are explicitly authorized. A prudent policy is a type of Internet access policy that allows most Internet access but blocks or restricts some sites, applications, or computers that are deemed inappropriate, malicious, or unnecessary. A promiscuous policy is not a type of Internet access policy, but a term that describes a network mode that allows a network interface card (NIC) to capture all packets on a network segment, regardless of their destination address.