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NEW QUESTION # 12
What distinguishes a sidecar-based architecture from a sidecarless one in the context of a service mesh?
- A. Sidecar-based architecture requires more memory allocation.
- B. Sidecarless architecture depends on external hardware for service communication.
- C. Sidecarless architecture has better support for multi-cloud environments.
- D. Sidecar-based architecture involves deploying a proxy alongside each service instance.
Answer: D
NEW QUESTION # 13
What is a significant advantage of using Cilium Network Policies over traditional Kubernetes Network Policies?
(Choose Three)
- A. Automatic scaling of policy enforcement with cluster size
- B. Enforcement based on endpoint identity rather than IP addresses
- C. Integration with external logging tools
- D. Ability to apply policies across multiple clusters
- E. Reduced overhead due to BPF technology
Answer: B,D,E
NEW QUESTION # 14
Which features does Hubble offer to enhance observability in a Cilium-managed environment?
(Choose two)
- A. Integrated security policy creation
- B. Real-time monitoring of Layer 7 traffic
- C. Automated Kubernetes node scaling
- D. Flow visualization between pods
Answer: B,D
NEW QUESTION # 15
Which of the following are advantages of using Gateway API over traditional Ingress in service mesh environments?
(Choose Three)
- A. Allows more granular traffic management
- B. Enhances security with built-in policy enforcement
- C. Supports multi-cluster services natively
- D. Reduces the overall cost of network infrastructure
- E. Provides native support for advanced load balancing strategies
Answer: A,C,E
NEW QUESTION # 16
How does Hubble enhance network observability at the Layer 7 level?
- A. Offering insights into application messaging and API calls
- B. By restricting access to sensitive network areas
- C. Optimizing physical network gear based on observed traffic
- D. Managing user access to network resources
Answer: A
NEW QUESTION # 17
Cilium uses which technology to manage network policies at scale?
- A. OVS
- B. eBPF
- C. Docker Swarm
- D. OpenFlow
Answer: B
NEW QUESTION # 18
Which command is used to install Hubble in a Cilium environment?
- A. hubble setup
- B. cilium hubble enable
- C. hubble install
- D. cilium hubble start
Answer: B
NEW QUESTION # 19
Which of the following is a key benefit of enabling Layer 7 protocol visibility in Hubble?
- A. Reduces the overall cost of network maintenance
- B. Enhances security by providing insights into application-level exchanges
- C. Simplifies the deployment of new Kubernetes nodes
- D. It allows for hardware-level network configuration
Answer: B
NEW QUESTION # 20
How do eBPF-based platforms generally compare to IPtables-based platforms in terms of performance?
- A. eBPF provides higher performance and greater flexibility
- B. IPtables support more types of network protocols
- C. IPtables are easier to configure and manage
- D. eBPF offers lower performance but greater security
Answer: A
NEW QUESTION # 21
What are the key differences between eBPF and traditional IPtables-based platforms?
(Choose Two)
- A. eBPF allows for dynamic policy updates without service interruption
- B. IPtables provides better integration with cloud-native applications
- C. eBPF is limited to small-scale network environments
- D. IPtables requires more manual configuration and maintenance
Answer: A,D
NEW QUESTION # 22
Which datapath model is used by Cilium for efficient processing of network packets within Kubernetes clusters?
- A. Egress-only Gateway
- B. IPTABLES
- C. Socket-based
- D. XDP (eXpress Data Path)
Answer: D
NEW QUESTION # 23
Which Cilium component is responsible for managing service-to-service communication in a service mesh?
- A. Cilium CLI
- B. Cilium Operator
- C. Cilium Envoy
- D. Cilium Agent
Answer: D
NEW QUESTION # 24
What does Cilium's Network Policy enforcement allow administrators to control?
- A. Storage access permissions
- B. Access to Kubernetes API
- C. CPU allocations per pod
- D. Traffic flow between pods
Answer: D
NEW QUESTION # 25
In what way does eBPF impact the scalability of applications in Cilium?
- A. Offers no particular advantages for scaling
- B. Facilitates automatic scaling based on real-time metrics
- C. Limits the number of concurrent services that can be monitored
- D. Provides tools for manual scaling only
Answer: B
NEW QUESTION # 26
What unique capability does Cilium offer for network policy enforcement?
- A. Identity-based enforcement leveraging Kubernetes labels
- B. Direct control over physical network devices
- C. Application layer gateway functionality
- D. Automatic pod replication based on traffic
Answer: A
NEW QUESTION # 27
How do Kubernetes Network Policies differ from Cilium Network Policies?
- A. Kubernetes policies require integration with Istio for enforcement
- B. Cilium policies can enforce rules based on identities
- C. Cilium policies are unable to log policy denials
- D. Kubernetes policies offer more granular control
Answer: B
NEW QUESTION # 28
What does Hubble provide to administrators for network troubleshooting and monitoring?
- A. Physical network topologies
- B. Detailed network hardware statistics
- C. In-depth visibility into application layer protocols and interactions
- D. Energy consumption metrics for network devices
Answer: C
NEW QUESTION # 29
A cluster mesh is beneficial for which of the following scenarios?
- A. Simplifying application deployment
- B. Managing multiple clusters as one
- C. Improving single cluster performance
- D. Reducing operational costs
Answer: A,B
NEW QUESTION # 30
What is the role of the cilium preflight command?
- A. It initiates the installation of Cilium.
- B. It checks system requirements before installing Cilium.
- C. It cleans up any previous Cilium installation.
- D. It prepares Kubernetes nodes for Cilium installation.
Answer: B
NEW QUESTION # 31
What are the necessary steps to configure a Cilium Cluster Mesh?
(Choose Two)
- A. Install Cilium with Cluster Mesh enabled on each cluster
- B. Establish direct network connectivity between clusters
- C. Ensure that all clusters have the same network policies
- D. Synchronize the Kubernetes versions across all clusters
Answer: A,B
NEW QUESTION # 32
How does eBPF support security policy enforcement in Cilium?
- A. By filtering traffic at the application layer only
- B. By managing access control lists (ACLs) in the cloud
- C. By enforcing rules directly within the Linux kernel
- D. By integrating with third-party firewalls
Answer: C
NEW QUESTION # 33
What advantages does the Gateway API offer in a Cilium-managed service mesh?
(Choose Two)
- A. It offers native support for multi-cluster services.
- B. It provides more granular control over routing policies.
- C. It enables better monitoring of internal service communication.
- D. It simplifies the deployment of sidecar proxies.
Answer: A,B
NEW QUESTION # 34
What is a primary requirement for egress connectivity in a Cilium-managed cluster?
- A. Ensuring all nodes have identical configurations
- B. High bandwidth for internal cluster communication
- C. Reliable external network access for services running in the cluster
- D. Constant synchronization with internal DNS servers
Answer: C
NEW QUESTION # 35
Which capabilities should you expect when using Hubble from the command line?
(Choose Two)
- A. Direct editing of network security policies
- B. Observing live network flows and metadata
- C. Retrieving historical network traffic data
- D. Generating real-time alerts based on observed activities
Answer: B,C
NEW QUESTION # 36
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