Linux Foundation ICA Certification Exam Sample Questions

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Linux Foundation ICA Sample Questions:

01. When configuring a DestinationRule in Istio, which settings can be applied to manage traffic?
(Select three.)
a) Service discovery
b) mTLS policy
c) Load balancing strategy
d) Fault injection
e) Connection pool settings
 
02. Which is a best practice when implementing traffic management policies in Istio?
a) Always disable mTLS for internal traffic
b) Use a single VirtualService for all services in the mesh
c) Avoid using ServiceEntry resources
d) Regularly review and update DestinationRules
 
03. In Istio, what is the effect of configuring connection pool settings in a DestinationRule?
a) It configures automatic retries
b) It encrypts the connections between services
c) It limits connections to a service
d) It monitors network traffic
 
04. How does a ServiceEntry resource benefit the Istio service mesh?
a) It configures automatic sidecar injection for pods
b) It adds external services to the registry
c) It strengthens mTLS settings for external calls
d) It enables distributed tracing across all services
 
05. What additional security considerations must be addressed when onboarding non-Kubernetes workloads into an Istio mesh?
a) Disabling Istio security policies for non-Kubernetes workloads
b) Ensuring the workloads are stateless
c) Implementing strict mTLS policies for these workloads
d) Using separate service accounts for these workloads
 
06. How can Istio's observability tools assist in troubleshooting?
a) By providing metrics, logs, and traces
b) By auto-correcting configuration errors
c) By encrypting traffic data for security
d) By automatically scaling services based on traffic
 
07. What approach does Istio use to integrate legacy or external systems into the service mesh?
a) Using adapters to bridge legacy systems with the mesh
b) Connecting legacy systems through a dedicated gateway
c) Re-writing legacy systems to be Kubernetes-compatible
d) Encapsulating legacy systems in containers
 
08. In Istio, what advanced technique can be used to manage traffic for complex deployment patterns like canary releases?
a) Weighted routing rules
b) Traffic mirroring
c) Circuit breakers
d) Sidecar injection
 
09. When applying fault injection in Istio, what is crucial to consider for maintaining service quality?
a) The location of the service nodes
b) The speed of service deployment
c) How much traffic the injected faults affect
d) The overall volume of network traffic in the mesh
 
10. Which type of fault injection is used to simulate a service crash in Istio?
a) Load balancing
b) HTTP abort
c) Traffic mirroring
d) HTTP delay

Answers:

Question: 01
Answer: b, c, e		 Question: 02
Answer: d		 Question: 03
Answer: c		 Question: 04
Answer: b		 Question: 05
Answer: c
Question: 06
Answer: a		 Question: 07
Answer: b		 Question: 08
Answer: a		 Question: 09
Answer: c		 Question: 10
Answer: b

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