Palo Alto is an American multinational cybersecurity company located in California. The core products of Palo Alto included are advanced firewalls and cloud-based applications to offer an effective security system to any enterprice. Palo Alto is a popular cybersecurity management system which is mainly used to protect networking applications. For the beginners or experienced, our trainee experts crafted the top interview questions that will help to crack any complex interview process related to the palo alto.
Now let's have a look into the Palo Alto interview questions based on the basic, intermediate and advanced levels..
Ans:The answer would be yes because here all the firewall traffic can be transmitted through the Palo Alto system, and later these are matches against a session. More importantly, each session should match against a firewall cybersecurity policy as well.
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Ans: Palo Alto Focus is one of the services available in Palo Alto to identify the critical attacks and take necessary action without using any additional resources. It is considered as the cloud-based threat intelligence service.
Ans: There are four deployment models available such as;
Ans: The following are the scenarios that explain the failure over triggering,
Failure occurs, if one or more monitored interface fail
Failure occurs, if one or more specified destinations cannot be pinged by the active firewall
If the active device does not respond to heartbeat polls or loss of three consecutive heartbeats over a period of 1000 millisecond this time failure occurs.
Ans: Open the Palo Alto web browser -> go to test security -> policy -> match from trust to untrust destination .
Ans: The application command center offers visibility to the traffic patterns and actionable information on threats in the firewall network logs.
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Ans: Autofocus in Palo Alto is the kind of threat intelligence service; this supports easier identification of critical attacks so that effective action can be taken without the need for the additional resources.
Ans: With the help of the Zone protection profile, you will get complete protection from attacks like floods, reconnaissance, and packet-based attacks. The flood attacks can be of type SYN, ICMP, and UDP, etc. The reconnaissance protections will help you to defend against port and host sweeps. The packet protections help you to get the protection from the large ICMP and ICMP fragment attacks.
Ans: The following are the major protections used in Palo Alto;
Ans: The U-turn ANAT in Palo Alto is nothing but a logical path used in the networking system. In this NAT profile, the user should access the internal DMZ servers. To achieve this you should use the external IP address of the respective servers.
Ans:The following are the important features of the Palo Alto firewall;
Ans: WAF refers to the Web Application Firewall. The primary purpose of WAF is to monitor web applications to enhance the security and its features in web applications. It protects the web application by filtering the traffic between the internet and the application.
Ans:HA: HA refers to High Availability, a deployment model in Palo Alto.HA is used to prevent single point failure in a network. It includes two firewalls with a synchronized configuration. If one firewall crashes, then security features are applied via another firewall. This will help in continuing the business without any interruption.
HA1 and HA2 are two different ports in HA. HA is called a control link, while HA 2 is called a Datalink. These ports are used to maintain state information and synchronize the data.
Ans: The Palo Alto architecture follows single pass parallel processing.
Ans:There are many modes that can be used in Palo Alto configuration.
Ans:App-ID is nothing but the short form for the application identifications. This is one of the main components in Palo Alto. The major responsibilities of App-Id included are identifying the applications and transverse the firewalls independently.
Ans:The following are the few benefits of panorama in Palo Alto;
[Related article:palo alto Networks Essentials]
Ans:A virtual router is just a function of the Palo Alto; this is also the part of the Layer 3 routing layer. The virtual system is just an exclusive and logical function in Palo Alto. This is also an independent firewall; the traffic here is kept separate.
Ans: The Palo Alto firewall supports two types of media such as copper and fiber optic.
Ans: SCI is a layer 1 of the SFP+ interface. In an HA configuration, this connects any two PA -200 firewall series. This port can be used for both HA2 and HA3 network connections and the raw layer can be transmitted to the HSCI ports.
Ans:The global protect VPN provides a clientless SSL Virtual private network (VPN) and helps to access the application in the data center.
Ans: HA1 and HA2 in Palo Alto have dedicated HA ports. HA1 port is a control link whereas HA2 is just a data link. These links are primarily used to synchronize the data and also help to maintain the state information.
Ans:Application Incomplete can be interpreted as-either the three-way TCP handshake is not completed or completed, and there was no information to classify the process just after handshake.Where as Application override is being used to bypass the App-ID (Normal Application Identification) for unique traffic transmitted via a firewall.
Ans: There are two types of processing available such as;
Ans:There are two different options available on Palo Alto Firewall for forwarding the log messages which are listed below:
Ans: Single-pass parallel processing allows the system to operate on one packet. The following are important features of Single-pass parallel processing such as policy lookup, identifying applications, performing networking functions, decoding, and signature matching. The content in the Palo Alto firewall is scanned only once in the architecture.
Ans: ICMP is the protocol used to exchange heartbeat between HA.
Ans: The Palo Alto architecture is designed with separate data content and control planes to help parallel processing. The hardware elements in parallel processing support discrete and process groups to perform several complex functions.
Ans: U-Turn NAT refers to the logical path in a network. The users will be provided access to the DMZ server using the server's external IP address.U-Turn NAT allows clients to access the public web server on the internal network.
Ans:Endpoint security is something which protects the user’s devices like laptops, mobiles, PC using the designed tools and products. It is one of the world’s leading network’s security suites which helps in securing the user’s data and applications from the organizations. Depending on a network against various threats is not quite simple nowadays however, it can be attained by using best practices in both hardware and software.
Ans: In both Palo Alto- 200 and Palo Alto -500 implement activities such as signature process, and network processing. A higher model comprised of a dedicated hardware processor.
Ans: There are 4 types of links used to establish HA or HA introduction,
Ans: HA1: tcp/ 28769, tcp/28260 for clear text communication
Tcp/28 for encrypted communication
HA2: Use protocol number 99 or UDP -29281
Ans: When Palo Alto in the virtual wire mode, it supports many features like App-ID, Decryption, Content-ID, User-ID, and NAT.
Ans:VM-Series is the virtualization platform that provides extensive support during the deployment of Palo Alto Networks. It offers a wide range of public and private cloud computing environments like an open stack, VM ware, Cisco ACI, Amazon web services, Google cloud platform, and many more.
Ans:The command that is used to show the maximum log file size is represented below:
show system logdb-quota
When the logs storage limit is reached, then Panorama automatically deletes the old logs and gives the space to the new records. Panorama has the automated functionality that can determine the storage limit and remove it if needed.
Ans: The default IP address of the management port in Palo Alto Firewall is 192.168.1.1.
The username is "admin" with a password as "admin."
Ans:The different states in HA firewall are represented as below:
Ans: To secure a network from potential threats requires finding solutions and analyzing the malwares and is a quite hectic process. Wildfire is a cloud based malware direction which helps to identify the unknown files or threats made by the attackers. Wildfire’s rapidly deliver protection and share threat intelligence to the organizations.
Ans: Palo Alto follows Single-pass parallel processing whereas Checkpoint UTM follows a multi-pass architecture process.
Ans: The Palo Alto cybersecurity application has everything that is needed for the next generation. This application consists of an infusion prevention system and control features. In terms of productivity, it is considered as different from other cybersecurity vendors. One important thing is that it delivers the next generation features with the help of a single platform.
Ans: Single-pass: In Single-pass processing, all the operations are performed only once per packet. The services include application identification, networking functions, policy lookup, decoding, signature matching for any content or threats. In simpler terms, instead of using multiple engines, single-pass software allows single time scanning in a stream-based fashion.
Parallel processing: Parallel processing uses some discrete processing groups to perform the functions. The functions include networking, app id, content Id analysis, etc.
Palo Alto utilizes Single Pass Parallel processing (SP3) architecture.
Ans: Before defining HALite we need to know about PA 200. PA-200 is a firewall which prevents the network from a broad range of cyber threats. HALite is the feature available on PA-200. It provides synchronization of some run time items. Limited version of HA is used in PA 200 as there are a limited number of ports available for synchronization.
Ans: Service route refers to the path from the interface to the service on the server. .The interface that is used to access external sources by default is the management (MGT) interface.
Ans:There are three different approaches used to deploy certificates for Palo Alto network firewalls:
The network processing and signature processing are implemented on the software in PA-200 and PA-500. The higher models will have a dedicated hardware processor to perform these functionalities.
RADIUS with Vendor-Specific Attributes.
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