156-315.81.20 Gateway Deployment and Upgrades Practice Test 2 — 15 Questions

Question 1

Refer to the exhibit. You are performing a rolling upgrade on a High Availability cluster. You have successfully upgraded Security_GW_01 to R81.20, but Security_GW_02 remains in a 'Down' status. What is the most likely cause?

Choose an answer to begin — your selection is scored in the full session.

Accepted Answer

The cluster member 'Security_GW_02' has a software version mismatch causing kernel module failure.. In a High Availability cluster, the 'Down' status often indicates that the cluster member is unable to communicate with the peer or has failed the internal watchdog health check. During an upgrade, this is frequently caused by a version mismatch or a failure of the cluster kernel modules to load correctly, preventing the member from joining the cluster. This status requires immediate verification of kernel integrity and cluster communication interfaces.

Answer

The Security Management Server version is lower than the gateway version.

Answer

Security_GW_02 is waiting for a manual 'cpstop' command to complete the upgrade.

Answer

The Policy has not been pushed to the cluster object yet.

Question 2

When planning a Jump Upgrade to R81.20, which TWO of the following steps are mandatory to ensure a successful migration of the Security Management Server? (Choose two)

Accepted Answer

Run the 'migrate import' command using the upgrade tools from the target version.. Performing a jump upgrade requires careful preparation to ensure the configuration database remains consistent across version gaps. Validating the database with the upgrade tools is essential to detect errors before the migration, while creating a full backup is the only way to recover if the upgrade fails or data corruption occurs. These steps are fundamental to Check Point's best practices for major version migrations.

Answer

Run the 'migrate export' command on the source management server.

Answer

Manually delete all logs from the management server before the export.

Answer

Uninstall all security policies before initiating the upgrade.

Question 3

Refer to the exhibit. You are attempting to upgrade a Security Gateway using CPUSE. The pre-upgrade check fails with the error shown. What is the most appropriate action to resolve this issue?

Accepted Answer

Clear unnecessary log files or move them to an external log server to free up space.. The error indicates that the filesystem lacks the necessary overhead to extract and install the new software package. In Check Point gateways, the /var/log partition is often where temporary installation files are staged. Clearing old log files or rotating them to a remote server is the correct way to free up the required space without impacting the gateway's ability to operate or causing data loss during the maintenance window.

Answer

Increase the virtual disk size of the /var/log partition without rebooting.

Answer

Force the upgrade ignoring pre-upgrade checks by using the CLI flag --force.

Answer

Delete the /opt/CPsuite-R81 directory to free up space.

Question 4

When considering a fresh installation of a Security Gateway over an existing one, which THREE of the following are necessary to maintain configuration integrity? (Choose three)

Accepted Answer

Export the existing configuration using 'migrate export'.. A fresh installation replaces the entire operating system, so preserving the identity of the gateway is paramount. You must export the configuration to import it back later, maintain the same IP addresses to prevent network topology issues, and ensure that the SIC trust is re-established correctly. These three elements ensure that the new gateway seamlessly replaces the old one without requiring significant changes to the surrounding network infrastructure.

Answer

Manually copy the /etc/shadow file to preserve user passwords.

Answer

Delete all log files from the management server before the fresh install.

Question 5

You are preparing to upgrade a standalone Security Gateway running R80.40 to R81.20 using CPUSE. The gateway has 8 GB of RAM and a 4-core CPU. Before starting the upgrade, you want to ensure the gateway meets the minimum hardware requirements for R81.20. Which of the following is the minimum required RAM for R81.20?

Accepted Answer

8 GB. The R81.20 release increased the minimum RAM requirement for Security Gateways to 8 GB. A gateway with only 4 GB would fail the pre-upgrade check, while 16 GB and 32 GB are recommendations for higher capacity, not minimums. The 8 GB gateway in this scenario meets the baseline and can be upgraded.

Answer

4 GB

Answer

16 GB

Answer

32 GB

Question 6

A security administrator is preparing to upgrade a standalone R81.10 Security Gateway to R81.20 using CPUSE. After logging into Gaia, the administrator runs the command 'show installer packages' and sees the R81.20 package listed with status 'Downloaded'. However, when attempting to install, the installation fails with the error 'Package is not verified'. What is the most likely cause of this error?

Accepted Answer

The package was downloaded from an untrusted source and its digital signature is invalid.. The error 'Package is not verified' occurs when CPUSE cannot validate the digital signature of a downloaded package. This typically happens if the package was obtained from an untrusted source, corrupted, or tampered with. The correct resolution is to re-download the package from the official Check Point repository, ensuring it is properly signed and verified. Other options do not address the signature validation failure.

Answer

The Gaia OS version is incompatible with the R81.20 package.

Answer

The administrator must run 'installer verify' manually before installation.

Answer

The package file is corrupted due to insufficient disk space during download.

Question 7

You are deploying a new R81.20 Security Gateway in a High Availability cluster. The cluster uses ClusterXL in High Availability mode. You have configured the management interface and sync interface on separate VLANs. After bringing up the first member, you notice that the sync interface is showing a status of DOWN in the CPUSE output. What is the most likely cause?

Accepted Answer

The sync interface is connected to a different VLAN than the peer.. ClusterXL synchronization requires that the sync interfaces of all cluster members reside on the same Layer 2 broadcast domain. If they are placed on different VLANs, the interfaces cannot exchange sync traffic and will show as DOWN. This is a frequent deployment error when VLAN tagging is misapplied or trunk ports are not configured correctly.

Answer

The sync interface is not configured with an IP address.

Answer

The sync interface is not enabled in the Gaia portal.

Answer

The sync interface is using a different speed than the peer.

Question 8

A company is upgrading a cluster of two Security Gateways from R80.40 to R81.20. The administrator plans to use the 'Upgrade HA Cluster' feature in SmartConsole. After upgrading the first member (Member A), the administrator notices that the cluster is in a degraded state, and traffic is being served only by Member B. What is the most likely reason for this degraded state?

Accepted Answer

The cluster is in a degraded state because Member A's software version does not match Member B's version, and the cluster requires identical versions for full synchronization.. In a Check Point HA cluster, all members must run the same software version to synchronize properly. After upgrading only one member, the version mismatch prevents full synchronization, leading to a degraded state where the non-upgraded member handles traffic. The administrator must complete the upgrade on the second member and then verify synchronization. The 'Upgrade HA Cluster' feature is designed to facilitate this process, but the cluster will remain degraded until both members are on the same version.

Answer

Member A was upgraded but not yet rebooted, so it cannot participate in the cluster.

Answer

Member A's firewall policy was not installed after the upgrade, so it is blocking cluster synchronization traffic.

Answer

The cluster is in a degraded state because Member A's SecureXL was disabled during the upgrade and not re-enabled.

Question 9

An administrator needs to upgrade a Security Gateway from R81 to R81.20. The administrator wants to ensure that the gateway can be quickly reverted to its previous state if the upgrade fails. Which CPUSE feature should be used to achieve this?

Accepted Answer

Revert. CPUSE's 'Revert' feature allows administrators to roll back to the previous software version if an upgrade fails. It is an integral part of the upgrade process, automatically preserving the prior state. This enables quick recovery without the need for full system restores or snapshots. The other options are either separate mechanisms or not specifically designed for upgrade rollback.

Answer

Backup and Restore

Answer

Snapshot

Answer

System Restore

Question 10

You are deploying a new R81.20 Security Gateway and need to configure the Management interface. You want to ensure that the gateway can be managed by a Security Management Server at 192.168.1.10. Which Gaia command would you use to set the management interface and default gateway?

Accepted Answer

config sysconfig. The Gaia First Time Configuration Wizard, invoked by 'config sysconfig', is the proper tool for initial setup of a new gateway. It prompts for management interface selection, IP address, default gateway, and other settings. Individual 'set' commands can configure parts, but the wizard ensures a complete and consistent configuration.

Answer

set interface eth0 ipv4-address 192.168.1.20 mask-length 24

Answer

set management interface eth0

Answer

set static-route default nexthop gateway address 192.168.1.1 on

Question 11

You are deploying a new R81.20 Security Gateway at a branch office that has no local IT staff. The gateway must be configured to automatically register with the Security Management Server and download its initial policy without any on-site console interaction. Which Gaia configuration object should you prepare and supply during the initial boot?

Accepted Answer

A First Time Configuration Wizard answer file generated from an existing gateway and placed on a USB drive.. An answer file for the First Time Configuration Wizard captures every initial Gaia prompt, including management server address, one-time password, and interface settings. Supplying it on removable media lets a new branch gateway boot, apply the configuration, and establish SIC with the management server without an administrator present. This is the supported unattended method for the initial Gaia configuration.

Answer

A Gaia .tar.gz backup taken from a production gateway and restored during boot.

Answer

A DHCP option 66 scope that points to the Security Management Server.

Answer

An exported Security Management Server database copied to the branch gateway.

Question 12

An administrator needs to deploy a new R81.20 Security Gateway using the Zero Touch provisioning method. The gateway will obtain its initial configuration from a central management server. Which protocol and port does the gateway use to fetch its first-time configuration from the Security Management Server during Zero Touch?

Accepted Answer

TCP port 19009 (Zero Touch provisioning protocol) to the management server. Zero Touch provisioning is designed to simplify gateway deployment by allowing the appliance to automatically obtain its configuration from the management server. The gateway uses a specific protocol on TCP port 19009 to establish communication and retrieve the provisioning profile. This eliminates the need for console access or manual configuration, enabling rapid scaling and consistent deployments across multiple sites.

Answer

UDP port 500 (ISAKMP) to the management server

Answer

TCP port 18190 (CPUSE)

Answer

TCP port 443 (HTTPS) to the management server's provisioning service

Question 13

An administrator is preparing to upgrade a standalone Security Gateway from R81 to R81.20 using the CPUSE Web UI. They want the gateway to automatically revert to its previous state if the upgrade fails during the reboot phase. Which CPUSE action should they select?

Accepted Answer

Install Update with Rollback. The requirement is for an automatic revert if the upgrade fails during reboot. CPUSE provides three main installation options: Install Update, Install Update with Snapshot, and Install Update with Rollback. Only Install Update with Rollback automatically restores the previous state if the gateway fails to boot after the upgrade. The other options either require manual intervention or do not provide an automatic fallback mechanism.

Answer

Install Update

Answer

Upgrade and Verify

Answer

Install Update with Snapshot

Question 14

A security engineer is deploying a new R81.20 Security Gateway in a large enterprise. The gateway will be managed by a Security Management Server, and the engineer wants to minimize the chance of a man-in-the-middle attack during the initial trust establishment. Which method should the engineer use to establish trust between the gateway and the management server?

Accepted Answer

Initiate trust from the management server using the gateway's fingerprint (SHA-1) and verify it out-of-band.. Establishing trust via the gateway's fingerprint and verifying it out-of-band ensures that the management server is connecting to the legitimate gateway. This cryptographic verification prevents an attacker from impersonating the gateway during the initial trust establishment, effectively mitigating MITM risks. Other methods like default OTP or shared secrets are less secure and do not provide the same level of assurance.

Answer

Configure the gateway to use a static shared secret that is the same across all gateways.

Answer

Use the default one-time password (OTP) provided in the Gaia First Time Configuration Wizard.

Answer

Enable Secure Internal Communication (SIC) and rely on the default certificate authority without additional verification.

Question 15

An administrator is preparing to upgrade a Security Gateway running R80.40 to R81.20 using the CPUSE In-Place Upgrade. The gateway has limited disk space on the /var/log partition. Which pre-upgrade action should be performed to ensure the upgrade can complete successfully?

Accepted Answer

Use the Gaia Portal 'Disk Space Management' to automatically purge old logs and ensure sufficient free space before initiating the upgrade.. The Disk Space Management feature in Gaia Portal is designed to safely free up space by removing old logs and files according to retention policies. It ensures the gateway meets the minimum disk space requirements for an upgrade without manual, error-prone deletion. This is the recommended preparation step for CPUSE upgrades when disk space is constrained.

Answer

Run the command 'cpstat os -f disk' to check disk space and delete old log files if necessary.

Answer

Run 'cpstop' to stop all Check Point services, then manually delete the contents of /var/log before starting the upgrade.

Answer

Increase the disk size of the /var/log partition using Gaia's 'resize' command before upgrading.