CS0-002 Exam Dumps : CompTIA CySA+ Certification Exam (CS0-002)

Port triggering is a technique that allows inbound traffic to access certain ports on a device only after an outbound traffic request has been made from those ports. It can enhance the security and performance of a device by opening ports only when needed and closing them when not in use. The output from the network enumeration activities shows that port 21 (FTP) and port 22 (SSH) are open only after port 80 (HTTP) has been accessed, which indicates that port triggering is most likely being used. A web application firewall, an intrusion prevention system, port isolation, or port address translation are other techniques that can affect network traffic, but they do not match the description of the output from the network enumeration activities. Reference:

The correct answer is A. Enable secure boot in the hardware and reload the operating system. Secure boot is a feature of UEFI that ensures that only trusted and authorized code can execute during the boot process. Secure boot can prevent boot malware, such as rootkits or bootkits, from compromising the system before the operating system loads1. To enable secure boot, the hardware must support UEFI and have a firmware that implements the secure boot protocol. The operating system must also support UEFI and have a digital signature that matches the keys stored in the firmware. If the operating system was installed in legacy mode or does not have a valid signature, it may not boot with secure boot enabled. Therefore, it may be necessary to reload the operating system after enabling secure boot in the hardware2.

B. Reconfigure the system’s MBR and enable NTFS is not correct. MBR stands for Master Boot Record, and it is a legacy partitioning scheme that stores information about the partitions and the boot loader on a disk. NTFS stands for New Technology File System, and it is a file system that supports features such as encryption, compression, and access control. Reconfiguring the system’s MBR and enabling NTFS would not enable secure boot UEFI features, as they are not related to UEFI or secure boot. Moreover, MBR is incompatible with UEFI, as UEFI requires a different partitioning scheme called GPT (GUID Partition Table)3.

C. Set UEFI to legacy mode and enable security features is not correct. Legacy mode is a compatibility mode that allows UEFI systems to boot using legacy BIOS methods. Legacy mode disables some of the features and benefits of UEFI, such as secure boot, faster boot time, or larger disk support. Setting UEFI to legacy mode would not enable secure boot UEFI features, but rather disable them.

D. Convert the legacy partition table to UEFI and repair the operating system is not correct. Converting the legacy partition table to UEFI means changing the partitioning scheme from MBR to GPT, which is required for UEFI systems to boot. However, this alone would not enable secure boot UEFI features, as it also depends on the firmware settings and the operating system support. Repairing the operating system may or may not fix any issues caused by converting the partition table, but it would not necessarily enable secure boot either.

1: What Is Secure Boot? 2: How to Enable Secure Boot 3: MBR vs GPT: Which One Is Better for You? : [UEFI vs Legacy BIOS – The Ultimate Comparison Guide]

Setting up a warm disaster recovery site with the same cloud provider in a different region can help to achieve a recovery time objective (RTO) of 12 hours while keeping the costs low. A warm disaster recovery site is a partially configured site that has some of the essential hardware and software components ready to be activated in case of a disaster. A warm site can provide faster recovery than a cold site, which has no preconfigured components, but lower costs than a hot site, which has fully configured and replicated components. Using the same cloud provider can help to simplify the migration and synchronization processes, while using a different region can help to avoid regional outages or disasters .