Linux Foundation CCA Certification Exam Sample Questions

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Linux Foundation CCA Sample Questions:

01. What is an advantage of integrating BGP with Cilium for external networking?
a) Eliminates the need for physical network devices
b) Provides a mechanism for automatic rerouting around network issues
c) Direct integration with Kubernetes service discovery
d) Simplifies the configuration of network address translation
 
02. In the context of Cilium, how is the Policy Rule Structure typically defined?
(Choose Two)
a) As JSON-formatted files
b) Through Kubernetes API resources
c) Using YAML configuration files
d) With direct modifications to the BPF bytecode
 
03. Which protocol is typically used for defining network policies in a Kubernetes cluster?
a) TCP
b) UDP
c) HTTP
d) YAML
 
04. A cluster mesh is beneficial for which of the following scenarios?
a) Improving single cluster performance
b) Managing multiple clusters as one
c) Reducing operational costs
d) Simplifying application deployment
 
05. Which of the following are true about Cilium's Identity-based Network Security Model?
(Choose Two)
a) It uses traditional IP-based filtering mechanisms
b) Identities are assigned based on pod labels
c) It supports dynamic policy enforcement
d) Identities need to be statically defined in the network policy
 
06. eBPF is an abbreviation for which of the following?
a) Extended Berkeley Packet Filter
b) Enhanced Binary Programming Framework
c) Elastic Backend Platform Facility
d) None of the above
 
07. Using the Cilium CLI, how can an administrator ensure that Cilium is correctly functioning in their Kubernetes environment?
a) cilium validate
b) cilium health check
c) cilium status
d) cilium verify
 
08. How does Cilium handle IP Address Management (IPAM) in Kubernetes environments?
a) Assigns static IP addresses to pods
b) Uses a custom Cilium IPAM module for dynamic address management
c) Depends on external DHCP services
d) Delegates control to Kubernetes default IPAM
 
09. What unique capability does Cilium offer for network policy enforcement?
a) Application layer gateway functionality
b) Automatic pod replication based on traffic
c) Identity-based enforcement leveraging Kubernetes labels
d) Direct control over physical network devices
 
10. What distinguishes sidecar-based architectures from sidecarless ones in service mesh deployments?
(Choose Two)
a) Requirement for a dedicated proxy for each service instance in sidecar-based architectures
b) Sidecarless architectures typically exhibit lower latency due to fewer proxy hops
c) Higher resource consumption in sidecar-based setups due to additional proxies
d) Enhanced security isolation in sidecarless architectures

Answers:

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

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