185 questions total · 3pages · All types, answers revealed
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Which THREE metrics are critical for monitoring indexer health in the Monitoring Console?
Critical for operational stability.
Why this answer
CPU, disk I/O, and memory usage are the fundamental hardware metrics for indexer health.
Which type of bucket is used for the most recent data and is generally searchable?
Hot buckets are active and searchable.
Why this answer
Hot buckets are where data is currently being ingested and they are always searchable.
Which feature ensures that Search Head Cluster members share knowledge objects like saved searches and reports?
SHC members replicate knowledge objects via their internal replication service.
Why this answer
Search Head Cluster members synchronize knowledge objects automatically using the replication service configured on the replication port.
Which TWO items are stored in the index directory?
The index files for fast searching.
Why this answer
The index directory stores the TSIDX files (for searching) and the raw data (the actual events).
An architect is tasked with enabling SmartStore for an indexer cluster. What is the primary requirement for the remote storage backend?
SmartStore relies on S3-compatible APIs for object storage interaction.
Why this answer
SmartStore requires S3-compatible object storage (AWS S3, Google Cloud Storage, or Azure Blob Storage).
An architect is designing an index lifecycle for compliance. The requirement is to keep data for exactly 7 years. Which setting must be configured to prevent premature deletion?
This is the setting that enforces retention length.
Why this answer
frozenTimePeriodInSecs must be set to the equivalent of 7 years in seconds.
What happens to a search job if the Search Head Cluster captain goes down during an active search?
The RAFT algorithm handles captain election and job recovery.
Why this answer
The cluster will elect a new captain, and the search job will typically resume or be re-dispatched by the new captain depending on the state of the job.
You are troubleshooting a KV store issue in an Indexer Cluster. Which command allows you to verify the status of the KV store and its replication on a node?
This identifies if the KV store is running and the status of its replication.
Why this answer
The 'splunk show kvstore-status' command is used to display the health and replication state of the KV store.
When managing indexer clustering, what is the impact of a high 'replication_factor' on indexing performance?
Writes must wait for acknowledgment from secondary nodes, increasing latency.
Why this answer
Increasing the replication factor increases the write overhead on indexers because each event must be replicated to multiple peers, increasing network and disk I/O.
You are configuring Data Model Acceleration on a heavy forwarder. Why is this not a recommended architectural practice?
Acceleration summaries are stored as buckets on indexers and managed by search heads.
Why this answer
Heavy forwarders lack the indexing and search head components required to manage and serve accelerated summaries efficiently.
What is the effect of setting 'forwarder_site_failover=true' in the indexer discovery stanza?
This enables cross-site data ingestion during failure.
Why this answer
This setting allows forwarders to automatically switch to indexers in a different site if the local indexers are unavailable.
In an indexer cluster, what happens if the cluster master is permanently lost and you do not have a backup of the 'master-apps' directory?
The master-apps folder is the central repository for bundle distribution.
Why this answer
The master-apps directory contains the source of truth for the cluster configuration; without it, the cluster configuration cannot be easily managed or restored to a new master.
A user claims that a search is not returning data from a specific time range. You suspect the data has been rolled to cold storage and the cold storage is not being searched. Which configuration file controls which cold paths are included in the search?
This file defines the pathing and retention policies for the index.
Why this answer
The 'indexes.conf' file defines the 'coldPath' and the indexer includes these paths in the search result set if configured correctly.
You are tasked with reviewing the health of a Search Head Cluster. Which TWO of the following dashboard locations in the Monitoring Console would be most helpful for this?
This dashboard shows member status and captaincy information.
Why this answer
The MC includes specific dashboards for 'Search Head Clustering' and 'Search: Activity' to monitor health and user load.
In an indexer cluster, why might you use the 'splunk list cluster-peers' command?
It displays peer status and health.
Why this answer
This command provides a status summary of all peers in the cluster, helping you verify that the cluster is healthy and all nodes are synchronized.
Which Splunk process is responsible for managing the indexer's disk I/O and bucket lifecycle?
The primary Splunk daemon manages everything.
Why this answer
The 'splunkd' process handles all core management, including bucket lifecycle and disk I/O.
A customer needs to decommission a single indexer peer from an Indexer Cluster without losing data. Which step is mandatory to ensure all data is safely migrated to other peers?
This command triggers the cluster to replicate data off the node.
Why this answer
Putting the indexer into 'maintenance_mode' or using the 'splunk remove cluster-peers' command allows the cluster to redistribute buckets.
A user cannot log in to the Splunk instance. You suspect authentication is failing. Which log should you check to see the authentication attempt details?
The audit.log specifically records authentication events and user access.
Why this answer
The 'audit.log' tracks login and logout attempts, including success and failure status.
Which configuration file is used to specify the disk path where index buckets are stored?
Correct, this defines the storage paths.
Why this answer
The 'homePath' and 'coldPath' in indexes.conf define where the bucket data is physically stored on disk.
You are troubleshooting a clustered indexer environment where buckets are stuck in a 'streaming' state. Which log file on the indexer peer should you examine to determine why the replication is failing?
This log specifically captures the replication stream traffic and potential failures.
Why this answer
The replication_data.log tracks the replication stream between indexers, making it the primary resource for debugging replication issues.
Which THREE of the following are valid states for a bucket in an Indexer Cluster?
Buckets roll to cold.
Why this answer
Buckets transition through hot, warm, and cold states during their lifecycle in an indexer cluster.
Which TWO of the following are valid bucket states in the Splunk index lifecycle?
Hot buckets are the current write target.
Why this answer
Hot, Warm, Cold, and Frozen are the standard lifecycle states.
Which THREE of the following are reasons to use Maintenance Mode in an Indexer Cluster?
Prevents the CM from acting on temporary state changes.
Why this answer
Maintenance mode is used for rolling upgrades, changing cluster configurations, and preventing unnecessary bucket re-replication during planned outages.
Which THREE features are provided by Splunk's multisite Indexer Clustering?
Allows customized policies per site.
Why this answer
Multisite clusters provide site-aware search affinity, disaster recovery through site-specific replication, and high data availability.
Which TWO of the following are prerequisites for a functional Search Head Cluster?
Replication requires network connectivity.
Why this answer
SHC nodes must be able to communicate via the replication port, and they must share the same security keys.
A Search Head Cluster (SHC) is experiencing frequent 'captain election' issues during high-load periods. Upon reviewing the logs, you notice network latency spikes between nodes. Which parameter in the SHC configuration should be adjusted to allow for more tolerance in node communication?
This is the primary setting to handle transient network issues in SHC.
Why this answer
The heartbeat_timeout setting in the SHC configuration controls how long a node can go without a heartbeat before it is considered down, which can be increased to mitigate network latency issues.
Which THREE conditions must be met for an indexer to be successfully added to an Indexer Cluster?
Required for registration.
Why this answer
The indexer needs the same pass4SymmKey, network access to the CM, and to be in an uninitialized state.
Which tool is best for monitoring the health and performance of the entire Splunk environment?
Correct, it is the standard tool for environment health.
Why this answer
The Monitoring Console (MC) is the built-in tool for health and performance monitoring.
An indexer is running out of disk space. Which setting in indexes.conf prevents the indexer from crashing by stopping ingestion?
Correct, this is the limit for total index size.
Why this answer
'maxTotalDataSizeMB' defines the maximum size of an index, and the indexer stops accepting data if it hits the limit.
Which THREE items should be included in an index sizing capacity plan?
Retention determines the total volume stored.
Why this answer
Capacity planning requires knowing the ingestion rate, retention requirements, and compression ratios to estimate space.
A cluster master is reporting that an indexer is out of disk space. After you add more disk space, what is the best way to force the indexer to re-check its storage and clear the error?
A restart triggers a service-level check of the environment, including disk space reporting.
Why this answer
Restarting the splunkd service on the peer forces a re-evaluation of local resources and re-reporting to the master.
When using a load balancer in front of a search head cluster, why is session affinity (sticky sessions) recommended?
SHC members have local state for search jobs; jumping between them causes issues.
Why this answer
Sticky sessions ensure that a user remains connected to the same SHC member, preventing issues with search job state and UI session consistency.
You want to perform a rolling restart of an Indexer Cluster without stopping ingestion. What configuration ensures that indexers remain available?
Rolling restart allows the cluster to restart peers one by one.
Why this answer
The rolling restart mechanism automatically manages peer availability, but you should also ensure your forwarders are configured with indexing-side load balancing.
When configuring search affinity for a multi-site cluster, what is the behavior if no indexers are available in the local site?
Cross-site search is the standard fallback behavior.
Why this answer
By default, the search head will fallback to searching indexers in other sites if the local site is unavailable, ensuring search results are still retrieved.
Which THREE factors should be considered when planning the hardware requirements for a multisite indexer cluster?
Essential for high-volume indexing.
Why this answer
Disk I/O, network bandwidth between sites, and CPU capacity for concurrent indexing/searching are all critical for cluster stability.
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Practice SPLK-2002 by domain
Target a specific domain to shore up weak areas.