Question No. 1

An engineer is reviewing the following high availability (HA) settings to understand a recent HAfailover event.

Which timer determines the frequency between packets sent to verify that the HA functionality on the other HA firewall is operational?

AMonitor Fail Hold Up Time

BPromotion Hold Time

CHeartbeat Interval

DHello Interval

Show Answer

Correct Answer: D

The timer that determines the frequency between packets sent to verify that the HA functionality on the other HA firewall is operational is the Hello Interval. The Hello Interval is the interval in milliseconds between hello packets that are sent to check the HA status of the peer firewall. The default value for the Hello Interval is 8000 ms for all platforms, and the range is 8000-60000 ms.If the firewall does not receive a hello packet from its peer within the specified interval, it will declare the peer as failed and initiate a failover12.Reference:HA Timers,Layer 3 High Availability with Optimal Failover Times Best Practices

Question No. 2

An administrator is receiving complaints about application performance degradation. After checking the ACC, the administrator observes that there is an excessive amount of VoIP traffic.

Which three elements should the administrator configure to address this issue? (Choose three.)

AAn Application Override policy for the SIP traffic

BQoS on the egress interface for the traffic flows

CQoS on the ingress interface for the traffic flows

DA QoS profile defining traffic classes

EA QoS policy for each application ID

Show Answer

Correct Answer: B, D, E

To address the issue of application performance degradation due to excessive VoIP traffic, the administrator should configure QoS on the egress interface for the traffic flows and a QoS profile defining traffic classes. QoS stands for Quality of Service, which is a feature that allows the firewall to manage bandwidth usage and prioritize traffic based on various criteria, such as application, user, service, etc.QoS can help improve the performance and quality of latency-sensitive applications, such as VoIP, by guaranteeing them sufficient bandwidth and priority over other traffic1.

To enable QoS on the firewall, the administrator needs to create a QoS profile and a QoS policy. A QoS profile defines the eight classes of service that traffic can receive, including priority, guaranteed bandwidth, maximum bandwidth, and weight.A QoS policy identifies the traffic that matches a specific class of service based on source and destination zones, addresses, users, applications, services, etc2. The administrator can also create a custom QoS profile or use the default one.

The administrator should apply QoS on the egress interface for the traffic flows, which is the interface where the traffic leaves the firewall. This is because QoS can only shape outbound traffic and not inbound traffic. The egress interface can be either internal or external, depending on the direction of the VoIP traffic. For example, if the VoIP traffic is from internal users to external servers, then the egress interface is the untrust interface facing the ISP.If the VoIP traffic is from external users to internal servers, then the egress interface is the trust interface facing the LAN3.

The administrator should assign a high priority and a sufficient guaranteed bandwidth to the VoIP traffic in the QoS profile. This will ensure that the VoIP packets are processed first by the firewall and are not dropped or delayed due to congestion.The administrator can also limit or block other applications that consume too much bandwidth or pose security risks in the same or different QoS classes4.

An Application Override policy for SIP traffic is not necessary to address this issue. An Application Override policy is used to change or customize the App-ID of certain traffic based on port and protocol criteria. This can be useful for optimizing performance or security for some applications that are difficult to identify or have non-standard behaviors. However, SIP is a predefined App-ID that identifies Session Initiation Protocol (SIP) traffic, which is commonly used for VoIP signaling.The firewall can recognize SIP traffic without an Application Override policy5.

QoS on the ingress interface for the traffic flows is not effective to address this issue. As mentioned earlier, QoS can only shape outbound traffic and not inbound traffic.Applying QoS on the ingress interface will not have any impact on how the firewall handles or prioritizes the incoming packets6.

A QoS policy for each application is not required to address this issue. A QoS policy can match multiple applications in a single rule by using application filters or application groups. This can simplify and consolidate the QoS policy configuration and management.The administrator does not need to create a separate QoS policy for each application unless there is a specific need to assign different classes of service or parameters to each application7.

Question No. 3

A company has configured a URL Filtering profile with override action on their firewall. Which two profiles are needed to complete the configuration? (Choose two)

ASSL/TLS Service

BHTTP Server

CDecryption

DInterface Management

Show Answer

Correct Answer: A, D

https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000ClRdCAK

https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-admin/url-filtering/configure-url-filtering

https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-admin/url-filtering/allow-password-access-to-certain-sites#id7e63ce07-8b30-4506-a1e3-5800303954e8

Question No. 4

Which GlobalProtect gateway selling is required to enable split-tunneling by access route, destination domain, and application?

ANo Direct Access to local networks