Free Practice Questions for Paloalto Networks PSE-Strata Exam

To prevent the abuse of stolen credentials, two effective configuration elements are:

Multi-Factor Authentication (MFA) (C): Implementing MFA adds an additional layer of security by requiring users to provide two or more verification factors to gain access to a resource such as an application or online account. This significantly reduces the risk of credential abuse because even if the credentials are stolen, the attacker would still need the second factor to gain access.

URL Filtering Profiles (D): URL Filtering Profiles help prevent access to malicious or inappropriate websites. By restricting access to known phishing and malicious sites, URL filtering can prevent users from inadvertently entering their credentials on fraudulent websites, thereby reducing the chances of credential theft and misuse.

References:

Palo Alto Networks, Multi-Factor Authentication Setup and URL Filtering Profiles documentation.

Palo Alto Networks NGFW provides several mechanisms for user mapping, which helps in identifying and applying policies based on user identity rather than just IP addresses.

Captive Portal: This method redirects users to a portal where they must authenticate before accessing the network. It captures user credentials and maps them to their IP addresses.

Domain server monitoring: This involves monitoring Active Directory (AD) domain controllers to map users to their respective IP addresses based on login events.

Client probing: This mechanism involves directly querying devices on the network to determine the logged-in user. It's useful for mapping IP addresses to usernames dynamically.

Cortex XDR licensing is based on the number of nodes and endpoints providing logs. This model ensures that organizations are charged according to the volume of endpoints and devices that are integrated with the Cortex XDR platform for comprehensive detection and response capabilities. By basing the licensing on endpoints and nodes, Cortex XDR offers a scalable and flexible solution that can adapt to the specific needs and growth of an organization's network infrastructure.

References:

Palo Alto Networks Cortex XDR Licensing Guide

Palo Alto Networks Cortex XDR Datasheet

The core values of the Palo Alto Network Security Operating Platform revolve around:

Prevention of cyber attacks: This is achieved through a multi-layered approach combining advanced threat intelligence, machine learning, and behavioral analytics to proactively block known and unknown threats across the network, cloud, and endpoints.

Safe enablement of all applications: The platform is designed to provide comprehensive visibility and control over all applications within an organization. This ensures that applications can be securely accessed and used without compromising on security, facilitating business operations and productivity​ (Palo Alto Networks)​​ (Palo Alto Networks)​.

When a Palo Alto Networks next-generation firewall (NGFW) is unable to retrieve a DNS verdict from the DNS cloud service within the configured lookup time, it will allow the request and all subsequent responses. This is to ensure that legitimate traffic is not disrupted due to the inability to obtain a verdict in a timely manner.

Default Behavior:

The firewall is designed to maintain network availability and reliability. If it cannot retrieve a DNS verdict, it defaults to allowing the traffic to prevent unnecessary disruption.

Palo Alto Networks firewalls support several methods for mapping users to IP addresses, which are critical for implementing user-based security policies:

eDirectory Monitoring: The firewall can monitor Novell eDirectory servers to map IP addresses to usernames by reading user login events from the eDirectory server. This method is often used in environments where eDirectory is the primary directory service​ (Palo Alto Networks)​​ (Palo Alto Networks Knowledge Base)​.

Client Probing: This method involves the firewall sending probes to the client machines to verify user login information. Probing can use protocols like NetBIOS, WMI, or XFF headers to collect user-to-IP mapping information directly from the clients​ (Palo Alto Networks)​​ (Palo Alto Networks)​.

Active Directory Monitoring: The firewall can monitor Microsoft Active Directory domain controllers to collect user login events. This method is widely used in environments where Active Directory is the primary directory service. It provides real-time user mapping by tracking user logins and logouts across the domain controllers​ (Palo Alto Networks)​​ (Palo Alto Networks)​​ (LIVEcommunity | Palo Alto Networks)​.

The following platform components can identify and protect against malicious email links:

WildFire hybrid cloud solution (A): This solution integrates on-premises and cloud-based threat intelligence to detect and prevent malware, including malicious email links.

WildFire public cloud (B): This component leverages the power of the cloud to provide real-time updates and protection against the latest threats, including those found in email links.

WF-500 (C): This appliance is designed to analyze files and links to detect malware and prevent it from spreading within the network.

These components work together to provide comprehensive protection against email-based threats, ensuring that organizations can identify and block malicious links before they cause harm.

To enable Credential Phishing Prevention on a Palo Alto Networks firewall, several actions need to be taken to detect and block phishing attempts effectively.

Enable User Credential Detection: This is crucial for identifying when user credentials are being sent to potentially malicious or unknown sites.

Enable User-ID: This feature maps IP addresses to user identities, which is necessary for identifying which user credentials are being used and applying relevant security policies.

Define a URL Filtering profile: This profile allows the firewall to inspect and control web traffic, blocking access to phishing sites and other malicious URLs.

The CLI command that allows you to view latency, jitter, and packet loss on a virtual SD-WAN interface is:

show sdwan path-monitor stats vif

This command displays the statistics related to the virtual SD-WAN interface, including important metrics such as latency, jitter, and packet loss. These metrics are crucial for monitoring the performance and quality of the SD-WAN connections to ensure optimal network performance and quick identification of issues.

References:

Palo Alto Networks SD-WAN Configuration Guide

Palo Alto Networks CLI Reference