A Technical I.T./DevOps Blog
This is a quiz about containers, Docker, and Kubernetes — but mostly about Kubernetes. You can test yourself before a job interview. You may also want to see this list of Kubernetes books.
1. To set a maximum number of failures threshold, which of the following key words would you use (for a kubernetes application to try a pod)?
a. backofflimit
b. maxnumretries
c.
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1. Most security vulnerabilities are from new or previously unknown problems.
True
False
Answer: False. Source page 1 of this PDF.
2. What is one of the protocols IPsec uses to secure IP layer communications?
_________________________________________
Answer: Either AH (Authentication Header) or ESP (Encapsulating Security Payload). Source is juniper.net.
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(This quiz does not cover object-oriented programming or sorting algorithms. For a Python quiz, see this.)
1. What is a sink in a directed graph?
__________________
Answer: A vertex with no route/edge to another vertex; a terminating vertex. Source: Elements of Programming Interviews in Python
2. What is the difference between a vertex and a node?
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1. What of the following requires the most memory space?
a. Quick Sort
b. Bubble Sort
c. Merge Sort
d. Insertion Sort
e. Selection Sort
Answer: C. Source: https://www.bigocheatsheet.com/#:~:text=Array%20Sorting%20Algorithms%20%20%20%20Algorithm%20,%20O%20%28n%29%20%2010%20more%20rows%20
2. What sorting algorithm is canonically the best for data sets that cannot reside in memory (and must be persisted to disk)?
a. Radix sort
b. Bubble sort
c.
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1. What are the three types of design patterns?
__________________
Answer: Creational, behavioral, structural. Source: Page XV of Design Patterns: Elements of Reusable Object-Oriented Software
2. As a recommended practice in OOP, which is preferred?
a. Object composition
b. Class inheritance
c. Programming to an implementation
d. none of the above
Answer: A. Source: Page 20 of Design Patterns: Elements of Reusable Object-Oriented Software
3.
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Continue reading “Object-Oriented Programming Quiz & Answers”
1. Which is one of the five pillars of a well-architected AWS framework?
a. Archived versions (of IaC)
b. Disaster Recovery
c. Monitoring
d. Performance Efficiency
e. None of the above
Answer: D. Source: https://aws.amazon.com/blogs/apn/the-5-pillars-of-the-aws-well-architected-framework/
2. Signature version 4 is which of the following?
a. A certificate file from Amazon Web Security.
b. An SSL public key for AWS.
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If you have not taken the quiz yet, here is a link to test your own knowledge.
1. What is the remote state in Terraform?
A centralized data store with the parameters of the desired configuration for Terraform runs. The parameters for the desired configuration are referred to as a state file in the context of Terraform.
Whereas an individual may use Terraform with the default local state (a local file with desired state configuration data),
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This is a quiz about containers, Docker, and Kubernetes — but mostly about Kubernetes. You can test yourself before a job interview. You may also want to see this list of Kubernetes books.
1. cgroups govern which of the following resources (choose all that apply)?
a. CPU
b. Namespaces
c. Memory
d. Disk I/O rates
Answer: A, C, and D.
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OpenStack and Virtualization API Quiz with Answers
(For the DevOps and ETL Quiz, click here. For the answers to the DevOps and ETL Quiz, click here. For the Python Quiz, click here. For the answers to the Python Quiz, click here.)
1. What are the HTTP operations associated with the acronym CRUD?
Answer: CRUD stands for Create,
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Continue reading “OpenStack and Virtualization API Quiz with Answers”
DevOps ETL Quiz Answers
1. What is the devops tool for databases?
a. QuerySurge
b. Beehive
c. Stratos
d. DBMaestro
Answer: D. DBMaestro
2. What does mung mean?
Answer: “Mash until no good.” It refers to a permanent operation of data wherein changes will make the data irretrievable. An example would be to remove the commas from a .csv file.
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