Interview Prep

Question 1

What dialer technology did we use

Answer 1

Freeswitch and Haskell

Question 2

Name of place

Answer 2

LIFTE

Question 3

Focus of LIFTE

Answer 3

Rail, marine, mining, on road heavy duty. Next comes power generation, industry, distribution

Question 4

Greengrass

Answer 4

IoT framework

Question 5

Kinesis is like

Answer 5

Kafka

Question 6

Athena

Answer 6

Querying s3 like you would using sql

Question 7

Amplify

Answer 7

Build apps fast

Question 8

AppSync

Answer 8

GraphQL

Question 9

SAM

Answer 9

Server less application model

Question 10

AWS CDK

Answer 10

Cloud development kit

Question 11

Ways to specify AWS resources

Answer 11

CDK, SAM and Cloud Formation.

CDK uses python/node, Sam uses json/y’all, cloudformation is harder to use

Question 12

What did we use to monitor

Answer 12

Prometheus/graphana

Question 13

Who is head of digital

Answer 13

Richard Zhang

Question 14

CTO

Answer 14

Angela Ackroyd

Question 15

CEO

Answer 15

Matthew Blieske

Question 16

UX

Answer 16

Zhongqi Fu

Question 17

Pub sub tools

Answer 17

Kafka, rabbitMQ, SQS, kinesis

Question 18

IoT tool

Answer 18

Greengrass

Question 19

IoT story

Answer 19

Device manager - interfaced with medical devices, created a gateway for devices to communicate with

Question 20

App building tool

Answer 20

Amplify

Question 21

GraphQL tool

Answer 21

AppSync

Question 22

IoC tools

Answer 22

Cloudformation, SAM, CDK

Question 23

Protocol for iot communication

Answer 23

MQTT

Question 24

Data from a device

Answer 24

Telemetry

Question 25

Runtime for lambda, messaging, device shadow

Answer 25

Greengrass core

Question 26

Group of greengrass devices

Answer 26

Greengrass group

Question 27

Ways to store secrets in devices

Answer 27

Hsm

Question 28

Protocol to get secrets

Answer 28

PKCS

Question 29

Tenant models

Answer 29

Pool vs sili

Question 30

Segment day from iotcore vs kinesis

Answer 30

Topic vs partition key

Question 31

Kinesis components

Answer 31

Stream then shards then data records

Question 32

Channel for iot core

Answer 32

Topic

Question 33

Processing large data in greengrass

Answer 33

Stream manager

Question 34

Extend edge devices to external services

Answer 34

Connectors

Question 35

Message bus for data at edge

Answer 35

Stream manager