Amazon Interview Exam Questions and Answers 100% Pass | Revised

Amazon Interview Exam Questions and Answers 100% Pass | Revised Hadoop - - Software that is used to efficiently process large datasets - Allows clustering commodity hardware together to analyze massive data sets in parallel - Amazon EMR makes it easy to create and manage fully configured, elastic clusters in the Hadoop ecosystem Cache - - A temporary storage space or memory that allows fast access to data Latency - - The delay before a transfer of data begins following an instruction for its transfer - Want to reduce this Virtualization Hardware - - Virtualization of computers as complete hardware platforms, or only the functionality required to run various operating systems - Virtualization hides the physical characteristics of a computing platform from the users, presenting instead an abstract computing platform How to protect against database failures - - Back up your back-up (nightly) Page 2/13 Crafted for Academic Insight by KatelynWhitman. All rights reserved © 2025 - Storage in multiple places Sharding - 0 Type of database partitioning - Separates very large databases into smaller, faster, more easily managed parts called data shards - Can store data across multiple machines Caching - - Process of storing data in a cache (a temporary storage area in a computing environment) - Shortens data access times, reduces latency, and improves input/output Autoscaling AWS - Helps you maintain application availability and scale your Amazon EC2 capacity up or down automatically TCP and UDP - Two types of IP traffic TCP (Transmission Control Protocol) - - Connection oriented - Once a connection is established, data can be sent bidirectionally UDP (User Datagram Protocol) - - Simpler, connectionless Internet Protocol - Multiple messages are sent as packets in chunks Bastion host / jump box - Bastion host - computer on a network specifically designed and configured to withstand attacks Page 3/13 Crafted for Academic Insight by KatelynWhitman. All rights reserved © 2025 - The computer generally hosts a single application, for example a proxy server, and all other services are removed or limited to reduce the threat to the computer - It is hardened in this manner primarily due to its location and purpose, which is rather on the outside of a firewall or in a demilitarized zone (DMZ) and usually involves access from untrusted networks or computers Network throughput - The amount of data moved successfully from one place to another in a given time period (typically measured in bits per second) Block storage device - Data storage typically used in storage-area network environments where data is stored in volumes (blocks) Examples: each block acts as an individual hard drive - more complex than file storage, more flexible, better performance Ping Protocol - - Basic internet program that allows user to verify that an IP address exists and can accept requests - Used to ensure a host computer the user is trying to reach is actually operating - Sends ICMP echo request, used for troubleshooting Restful Programming - - Architectural style that advocates for web apps to use HTTP as originally envisioned Page 4/13 Crafted for Academic Insight by KatelynWhitman. All rights reserved © 2025 - Characterized by state and functionality divided into distributed resources, every resources is uniquely addressable, protocol is client/server, stateless, layered, and supports caching Representational State Transfer (REST) - A style of architecture based on a set of principles that describe how networked resources are defined and addressed (an option for AWS) DDOS (Distributed denial-of-service) Attack - - Occurs when multiple systems flood the bandwidth or resources of a targeted system - Often the result of multiple compromised systems flooding the targeted system with traffic SOA Developer (Service Oriented Architecture) - Style of software design where services are provided to other components by application components over a network - Basic principles are independent of vendors, products, and technolog