Amada Global Senior Engineer Interview Questions and Answers

Splunk has a hierarchy of knowledge objects to organize and manage data.

• The hierarchy includes apps, add-ons, and configurations.

• Apps contain dashboards, reports, and alerts.

• Add-ons provide additional functionality to apps.

• Configurations include indexes, sourcetypes, and fields.

• Knowledge objects can be shared across the hierarchy.

• Higher level objects inherit settings from lower level objects.

Configuring a cluster involves setting up multiple servers to work together as a single system.

• Choose a cluster management tool such as Kubernetes or Apache Mesos

• Determine the number of nodes and their roles in the cluster

• Configure network settings and communication protocols

• Set up load balancing and failover mechanisms

• Ensure data consistency and replication across nodes

Rsyslog is configured by editing its configuration file, usually located at /etc/rsyslog.conf

• Identify the log sources and their corresponding log files

• Specify the log destination and format

• Configure filters and rules to process and route logs

• Restart the rsyslog service to apply changes

• Use tools like logger and tail to test the configuration

A program to convert a variable name from snake_case to camelCase and vice-versa.

• Split the input string by underscore (_) to get an array of words.

• For snake_case to camelCase conversion, capitalize the first letter of each word except the first one.

• For camelCase to snake_case conversion, insert an underscore (_) before each capital letter except the first one.

• Join the array of words with the appropriate delimiter to ge

Program to find the number whose occurrence is greater than N/2 in an array of integers.

• Take two inputs, one integer N and an array of integers.

• Loop through the array and count the occurrence of each number.

• Return the number whose occurrence is greater than N/2.

• If no such number found, return '-1'.

Program to return character and their occurrence in a string.

• Iterate through the string and count the occurrence of each character.

• Store the count in a dictionary or hashmap.

• Create a new string by concatenating the character and their count.

• Return the new string.

Splunk has a hierarchy of knowledge objects that includes apps, add-ons, and configurations.

• The highest level is the app, which contains all other knowledge objects.

• Add-ons are installed within apps and provide additional functionality.

• Configurations are specific to an app or add-on and include saved searches, alerts, and dashboards.

Configuring a cluster involves setting up multiple servers to work together as a single system.

• Choose a cluster management software such as Kubernetes or Apache Mesos

• Select the appropriate hardware and network infrastructure

• Install and configure the cluster management software on each server

• Define the roles and responsibilities of each server in the cluster

• Test the cluster to ensure it is functioning properly

Rsyslog is configured by editing its configuration file, usually located at /etc/rsyslog.conf

• Edit the configuration file using a text editor

• Specify the log files to be monitored and the actions to be taken for each log message

• Configure filters to select specific log messages based on criteria such as severity or facility

• Specify the destination for the log messages, such as a file, remote server, or database

• Restart the

HashMap is a data structure that stores key-value pairs and uses hashing to retrieve values quickly.

• Hashing function is used to convert the key into an index of an array where the value is stored

• Collisions occur when two keys have the same hash value, which is resolved using separate chaining or open addressing

• HashMap allows null values and one null key

• The load factor determines when the HashMap should resize to mainta...read more

Microservices communicate through APIs and messaging protocols.

• APIs allow microservices to expose their functionality to other services or applications.

• Messaging protocols enable asynchronous communication between microservices.

• Common messaging protocols include Kafka, RabbitMQ, and ActiveMQ.

• Microservices can also use service meshes like Istio to manage communication and traffic between services.

• Communication can be sy...read more