JPMorgan Chase & Co. Senior Devops Engineer Interview Questions and Answers

Basic aptitude and easy coding questions

Q1. Reverse array question
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Q2. Question on my projects
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Q1. Location and other onboarding
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IT Java questions and also K8 question related to DevOps.

Q1. Questions About Blue Green Deployment, Kubernetes
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Q1. Explain ingress
Ans. 
Ingress is a Kubernetes resource that manages external access to services within a cluster.
• Ingress allows you to route external HTTP and HTTPS traffic to services based on defined rules.

• It acts as a layer 7 load balancer for routing traffic to different services within the cluster.

• Ingress controllers like Nginx or Traefik are used to implement and manage Ingress resources.

• TLS termination, path-based routing, and host-b...read more
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Q2. How do you reduce docker image size
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To reduce docker image size, remove unnecessary files, use multi-stage builds, minimize layers, and use smaller base images.
• Remove unnecessary files and dependencies

• Utilize multi-stage builds to separate build dependencies from runtime dependencies

• Minimize the number of layers in the Dockerfile

• Use smaller base images like Alpine instead of larger ones like Ubuntu
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Q1. What is a Java and how many types are there
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Java is a high-level programming language used for developing applications. There are four types of Java: Java SE, Java EE, Java ME, and JavaFX.
• Java is an object-oriented language.

• Java SE (Standard Edition) is used for general-purpose development.

• Java EE (Enterprise Edition) is used for developing enterprise applications.

• Java ME (Micro Edition) is used for developing applications for small devices.

• JavaFX is used for cr...read more
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Q2. Tell the permitted Java type
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The permitted Java types include primitive types (int, double, boolean, etc.) and reference types (String, Object, etc.)
• Primitive types are predefined in Java and start with a lowercase letter (e.g., int, double)

• Reference types are created using classes, interfaces, or arrays (e.g., String, Object, int[])

• Java also supports autoboxing, which allows primitive types to be used as reference types (e.g., Integer, Double)
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Q3. Tell the Java coding
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Java is a popular programming language used for developing web applications and software.
• Java is an object-oriented language

• It is platform-independent

• Java code is compiled into bytecode

• Java has a vast library of pre-built classes and methods

• Java is used for developing Android apps
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Q1. 2 coding questions on dsa
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Q1. Manager interview
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