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- 810 questions for Splunk
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May 27, 2024 · Discover essential Splunk interview questions and answers to ace your interview and deepen your understanding of Splunk's key concepts and functionalities.
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- Basic Interview Questions
- Intermediate Interview Questions
- Advanced Interview Questions
- Splunk Admin Interview Questions
2. What is Splunk?
Splunk is ‘Google’ for our machine-generated data. It’s a software/engine that can be used for searching, visualizing, monitoring, reporting, etc. of our enterprise data. Splunk takes valuable machine data and turns it into powerful operational intelligence by providing real-time insights into our data through charts, alerts, reports, etc.
3. What are the common port numbers used by Splunk?
Below are the common port numbers used by Splunk. However, we can change them if required.
4. What are the components of Splunk? Explain Splunk architecture.
This is one of the most frequently asked Splunk interview questions. Below are the components of Splunk: 1. Search Head: Provides the GUI for searching 2. Indexer: Indexes the machine data 3. Forwarder: Forwards logs to the Indexer. 4. Deployment Server: Manages Splunk components in a distributed environment.
16. Can you write down a general regular expression for extracting the IP address from logs?
There are multiple ways in which we can extract the IP addressfrom logs. Below are a few examples: By using a regular expression: OR
17. Explain Stats vs Transaction commands.
This is another frequently asked interview question on Splunk that will test the developer’s or engineer’s knowledge. The transaction command is most useful in the following two specific cases: 1. When the unique ID (from one or more fields) alone is not sufficient to discriminate between two transactions. This is the case when the identifier is reused, for example, in web sessions identified by a cookieor client IP. In this case, the time span or pauses are also used to segment the data into...
18. How do I troubleshoot Splunk performance issues?
The answer to this question would be very wide, but, mostly,an interviewer would be looking for the following keywords: 1. Check splunkd.log for errors 2. Check server performance issues, i.e., CPU, memory usage, disk I/O, etc. 3. Install the SOS (Splunk on Splunk) app and check for warnings and errors in its dashboard 4. Check the number of saved searches currently running and their consumption of system resources 5. Install and enable Firebug, which is a Firefox extension. Log into Splunk (...
31. How to reset the Splunk admin password?
Resetting the Splunk admin password depends on the version of Splunk. If we are using Splunk 7.1 and above, then we have to follow the below steps: 1. First, we have to stop our Splunk Enterprise 2. Now, we need to find the ‘passwd’ file and rename it to ‘passwd.bk’ 3. Then, we have to create a file named ‘user-seed.conf’ in the below directory: In the file, we will have to use the following command (here, in place of ‘NEW_PASSWORD’, we will add our own new password): 1. After that, we can ju...
32. How to disable the Splunk launch message?
Set value OFFENSIVE=Less in splunk_launch.conf Learn more from Intellipaat’s insightful Splunk Tutorial!
33. How to clear the Splunk search history?
We can clear the Splunk search history by deleting the following file from the Splunk server:
49. Explain how Splunk works.
We can divide the working of Splunk into three main parts: 1. Forwarder:You can see it as a dumb agent whose main task is to collect the data from various sources like remote machines and transfer it to the indexer. 2. Indexer: The indexer processes the data in real timeand stores and indexes it on the localhost or cloud server. 3. Search Head:It allows the end-user to interact with the data and perform various operations like searching, analyzing, and visualizing the information.
50. How to add the colors in Splunk UI based on the field names?
Splunk UI has a number of features that allow the administrator to make the reports more presentable. One such feature that proves to be very useful for presenting distinguished results is the custom colors. For example, if the sales of a product drop below a threshold value, then as an administrator you can set the chart to display the values in red color. The administrator can also change chart colors in the Splunk Web UI by editing the panels from the panel settings mentioned above the das...
51. How the Data Ages in Splunk?
The data that is entering an indexer gets sorted into directories, which are also known as buckets. Over a periodof time, these buckets roll over different stages, from hot to warm, cold to frozen, and finally thawed. The indexer goes through a pipeline where event processing takes place. It occurs in two stages: parsing breaks them into individual events, while indexing takes these events into the pipeline for processing. This is what happens to the data at each stage of the indexing pipelin...
- Intellipaat
- Define Splunk. It is a software technology that is used for searching, visualizing, and monitoring machine-generated big data. It monitors and different types of log files and stores data in Indexers.
- List out common ports used by Splunk. Common ports used by Splunk are as follows: Web Port: 8000. Management Port: 8089. Network port: 514. Index Replication Port: 8080.
- Explain Splunk components. The fundamental components of Splunk are: Universal forward: It is a lightweight component which inserts data to Splunk forwarder.
- What do you mean by Splunk indexer? It is a component of Splunk Enterprise which creates and manages indexes. The primary functions of an indexer are 1) Indexing raw data into an index and 2) Search and manage Indexed data.
- What is Splunk? Splunk is Google for your machine data. It’s a software/Engine which can be used for searching, visualizing, Monitoring, reporting, etc of your enterprise data.
- Difference between Splunk and Hadoop. Splunk Cloud. Hadoop HDFS. Annual Subscription. Free. Cloud-based service. Distributed file system designed to run on commodity hardware.
- What are the common port numbers used by Splunk? Below are common port numbers used by Splunk, however, you can change them if required - Service. Port number Used.
- What are the components of Splunk/Splunk architecture? Below are components of Splunk Architecture. Search head: provides GUI for searching. Indexer: indexes machine data.
- What is a splunk app? Ans: A Splunk app is a container/directory of Splunk configurations, searches, dashboards, and so on. Interested in learning Splunk Join hkr and Learn more on Splunk Training!
- What features aren't available in Splunk Free? Ans: Splunk Free lacks the following features: Authentication as well as scheduled searches and alerts. Searching at a distance.
- What actually occurs if the License Master cannot be reached? Ans: If the license master is not available, the license slave will start a 24-hour timer, after which the license slave's search will be blocked (though indexing continues).
- What exactly is the Splunk Summary Index? Ans: The default Splunk index is a summary index (the index that Splunk Enterprise uses if we do not indicate another one).
Nov 2, 2023 · This Splunk Tutorial video will help you prepare for your next Splunk interview. We have curated a list of Top questions that are asked in Splunk job interviews. We have also included the best answers to these questions.
Splunk Interview Questions and Answers for 2024. Here are the top Splunk interview questions and answers that cover a wide base of topics associated with Splunk such as the architecture structure, forwarders, search index, workflow, component, and configuration files in Splunk.
