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Management HA is a feature that allows the Security Management server to have one or more backup Standby Security Management servers that are ready to take over in case of failure1. The Active Security Management server is the one that handles all the management operations, such as policy installation, object creation, configuration backup, etc. The Standby Security Management servers are synchronized with the Active Security Management server and store the same data, such as databases, certificates, CRLs, etc. The Standby Security Management servers can also perform some operations, such as fetching a Security Policy or retrieving a CRL1.

To make changes to the system, such as editing objects or policies, the administrator needs to connect to the Active Security Management server. This is because the Active Security Management server is the only one that can modify the data and synchronize it with the Standby Security Management servers. The administrator can use SmartConsole to connect to the Active Security Management server by entering its IP address or hostname1. The administrator can also use SmartDashboard to connect to the Active Security Management server by selecting Policy > Management High Availability. This shows information about the Security Management server that includes its peers - displayed with the name, status and type of Security Management server1.

The other options are incorrect because:

• A. secondary Smartcenter: This is a synonym for a Standby Security Management server, which cannot be used to make changes to the system.
• C. connect virtual IP of Smartcenter HA: This is not a valid option because there is no virtual IP for Smartcenter HA. Each Security Management server has its own IP address and hostname.
• D. primary Smartcenter: This is a synonym for the Active Security Management server, but it is not the correct term to use. The term primary implies that there is only one Active Security Management server, which is not true. The administrator can put the Active Security Management server on standby and promote a Standby Security Management server to active at any time1.

References: How to Configure Management HA

CoreXL is a performance-enhancing technology that enables the processing CPU cores to concurrently perform multiple tasks on Security Gateways with multiple CPU cores. CoreXL replicates the Firewall kernel multiple times, creating multiple Firewall instances that run on different CPU cores. These Firewall instances handle traffic concurrently, and each Firewall instance is a complete and independent Firewall inspection kernel. To show the current connections distributed by CoreXL FW instances, you can use the command fw ctl multik stat on the Security Gateway. This command will display information such as the number of connections, packets, bytes, drops, and errors handled by each CoreXL FW instance, as well as the CPU utilization and affinity of each instance. The other options are not correct because:

• B. fw ctl affinity -l: This command will show the CPU affinity of all processes and IRQs on the Security Gateway. It will not show the current connections distributed by CoreXL FW instances.
• C. fw ctl instances -v: This command will show the details of all CoreXL FW instances on the Security Gateway, such as their ID, type, state, priority, and interfaces. It will not show the current connections distributed by CoreXL FW instances.
• D. fw ctl iflist: This command will show the list of all interfaces on the Security Gateway, along with their names

References: Part 3 - SecureXL, What is CoreXL & SecureXL, SecureXL Fast Accelerator (fw fast_accel) for R80.20 and above

The fw ctl affinity -l -a -r -v command is the most accurate CLI command to get info about assignment (FW, SND) of all CPUs in your SGW. This command displays the affinity settings of all interfaces and processes in a verbose mode, including the Firewall (FW) and Secure Network Distributor (SND) instances. References: CoreXL Administration Guide

 Threat Extraction is a technology that removes potentially malicious features that are known to be risky from files (macros, embedded objects and more), rather than determining their maliciousness. By cleaning the file before it enters the organization, Threat Extraction preemptively prevents both known and unknown threats, providing better protection against zero-day attacks1. Any active contents of a document, such as JavaScripts, macros and links will be removed from the document and forwarded to the intended recipient, which makes this solution very fast2. The other options are either incorrect or irrelevant to the mechanism behind Threat Extraction. References: Threat Extraction (CDR) - Check Point Software, Check Point Document Threat Extraction Technology