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How can HA drivers for a Database VM be upgraded?
A. One-click software upgrade
B. Database VM OS patching
C. LCM driver upgrade
D. Database software patching
Explanation:
HA drivers are software components that enable high availability features for database VMs, such as failover,
fencing, and heartbeat. HA drivers can be upgraded using the Life Cycle Management (LCM) feature of
Nutanix Prism. LCM can detect the available updates for HA drivers and apply them to the database VMs in a
non-disruptive manner. LCM can also perform health checks and pre-upgrade validations to ensure the
successful completion of the upgrade process. One-click software upgrade is a feature of Nutanix Era that
allows you to upgrade the Era software itself, not the HA drivers. Database VM OS patching is a feature of
Nutanix Era that allows you to patch the operating system of the database VMs, not the HA drivers. Database
software patching is a feature of Nutanix Era that allows you to patch the database software of the database
VMs, not the HA drivers.
In an Oracle upgrade scenario using Era. if the source database is on a nor-Nutanix platform, is it possible to upgrade it with an Era workflow?
A. Yes, it is possible to upgrade database instance on a non-Nutanix platform.
B. Yes, only if the nan-Nutanix platform is big-endian platform,
C. No, the database instaru:e must be Era managed to Be upgraded
D. Yes, only if the nori-Nutanix platform is little-endian platform.
Explanation:
According to the Nutanix Database Automation (NCP-DB) learning documents, Nutanix Era is a database
management tool that automates and simplifies database operations, including provisioning, patching,
upgrading, and more1. However, for a database to be managed by Era, it must be registered with Era1. This
means that if a database is on a non-Nutanix platform, it cannot be directly upgraded using an Era
workflow. It must first be migrated to a Nutanix platform and registered with Era before it can be managed
and upgraded using Era1.
An administrator needs to maintain five days of time-travel capability to any second, plus an additional seven
days of discrete recovery at a daily interval.
How should the administrator define the Frequency and retention on the SLA?
A. • Continuous log retention (days): 7
• Daily snapshot retention (days): 5
B. • Continuous log retention (days): 5
• Weekly snapshot retention (weeks): 1
C. • Weekly snapshot retention (weeks): 1
• Continuous log retention (days): 7
D. • Daily snapshot retention (days): 7
• Continuous log retention (days): 5
Explanation:
The correct answer is D because it meets the requirements of maintaining five days of time-travel capability
to any second and an additional seven days of discrete recovery at a daily interval. Continuous log retention
allows the administrator to restore the database to any point in time within the specified number of days,
while snapshot retention allows the administrator to restore the database to a specific point in time at a fixed
interval. Therefore, by setting the daily snapshot retention to 7 days, the administrator can ensure that there is
a discrete recovery point for each day of the week. By setting the continuous log retention to 5 days, the
administrator can ensure that there is a time-travel capability to any second within the last five days. The other
options do not meet the requirements because they either have less than five days of continuous log retention
or less than seven days of snapshot retention.
Which statement describes a user in Era with the Database Infrastructure Admin role?
A. The user is able to manage software profiles, Network Profiles. database Instance parameter profiles and time machine SLA
B. The user is able to manage software profiles, Network Profiles. database parameter profiles end Time Machine SLAs,
C. The user is able to manage database profiles, Network Profiles, database Instance parameter profiles and time machine SLA
D. The user is able to manage software profiles, database parameter profiles and SLAs
Explanation:
The size of a database Time Machine in Nutanix Era is defined by the size of all snapshots and/or transaction
logs maintained by Era1. The Time Machine leverages Nutanix’s efficient snapshot technology to capture the
state of the database at different points in time1. These snapshots, along with transaction logs that record
changes between snapshots, constitute the data maintained by the Time Machine1. Therefore, the size of the
Time Machine is determined by the total size of these snapshots and transaction logs1.
For an NDB offline upgrade, which NDB CLI command should be used to upload the upgrade bundle?
A. upgrade upload_bundle path=path_to_upgrade_bundle upload bundle
B. path=path_to_upgrade_bundle upgrade bundle
C. path=path_to_upgrade_bundle
D. upload upgrade_bundle path=path_to_upgrade_bundle
Explanation:
For an NDB offline upgrade, you need to download the upgrade bundle from the Nutanix Support Portal and
copy it to the NDB server. Then, you need to use the NDB CLI command upload upgrade_bundle with
the path parameter to specify the location of the upgrade bundle file. This command will upload the upgrade
bundle to the NDB server and verify its integrity. After uploading the upgrade bundle, you can use
the upgrade command to perform the upgrade.
Which ports are used by the NDB database agent for API calls?
A. 443 and 9440
B. 443 and 8080
C. 3205 and 3260
D. 5985 and 9389
Explanation:
The NDB database agent is a service that runs on each database server VM and communicates with the NDB
instance. It uses port 443 for HTTPS API calls and port 9440 for Nutanix cluster API calls. These ports are
required to be open on the database server VMs for NDB to function properly.
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