ISTIO Interview Question-Answer

Q.1 Which istioctl commad injects sidecars manually?

       A. Kube-inject

       B. kubectl

       C. create

       D. apply

Ans : kubectl

Q.2 This is not an istio system service.

       A. Gateway

       B. sidecar

       C. ingress

       D. egressgateway

Ans : egressgateway

Q.3 How to enable Automatic Injection?

       A. Istioctl injection=enabled

       B. kubectl namespace istio-injection=enabled

       C. kubectl label namespace istio-injection=enabled

       D. kubectl injection=enabled

Ans : kubectl label namespace istio-injection=enabled

Q.4 Envoy comes under

       A. Service Plane

       B. Control Plane

       C. Data Plane

       D. Proxy Plane

Ans : Data Plane

Q.5 Envoy is responsible for enforcement of access control and usage policies

       A. True

       B. False

Ans : True

Q.6 Istio enables service to service communication without any intermediate services.

       A. True

       B. False

Ans : False

Q.7 monolithic applications are easily scalable

       A. True

       B. False

Ans : False

Q.8 This component is responsible for ingress traffic management.

       A. Gateway

       B. Gallery

       C. Pilot

       D. Envoy

Ans : Gateway

Q.9 Automatic sidecar injection is suitable for

       A. new services

       B. non istio services

       C. statefull services

       D. all kubernetes services

Ans : statefull services

Q.10 In yaml “–“(hyphen) represents

       A. String

       B. Object

       C. Array

       D. Nothing. Its Invalid

Ans : Array

Q.11 This component is responsible for authentication

       A. Pilot

       B. Envoy

       C. Citadel

       D. Gallery

Ans : Pilot

Q.12 istio doesn’t support the following protocol

       A. gRPC

       B. HTTP

       C. TCP

       D. none of the mentioned

Ans : none of the mentioned

Q.13 Which istio component is responsible for mediating traffic between services?

       A. Envoy

       B. Citadel

       C. Pilot

       D. Gallery

Ans : Envoy

Q.14 Envoy is written in which programming language?

       A. Python

       B. Java

       C. C++

       D. Javascript

Ans : C++

Q.15 Istio cannot handle load balancing

       A. True

       B. False

Ans : False

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