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questions.csv

@@ -3,236 +3,236 @@
 - a. Network policy enforcement
 - b. Visibility into traffic at L3/L4 and L7
 - c. Networking between Kubernetes pods
-- d. Kubernetes secrets management";"Answer: a, b, c"
+- d. Kubernetes secrets management","Answer: a, b, c"
 "What is the name of the Cilium component that provides visibility into network traffic?
 
 - a. Hubble
 - b. Hobble
-- c. Grafana"; "Answer: a"
+- c. Grafana", "Answer: a"
 "Which of these are characteristics of eBPF?
 - a. It allows dynamic changes to the kernel
 - b. It can be used to drop network packets that are forbidden by the network policy
-- c. It enables high-performance networking with security and observability built-in"; "Answer: d"
+- c. It enables high-performance networking with security and observability built-in", "Answer: d"
 "What are the different tools for installing Cilium components into a Kubernetes cluster?
 **Select all that apply.**
 
 - a. Helm
 - b. The Cilium CLI
-- c. Curl"; "Answer: a, b"
+- c. Curl", "Answer: a, b"
 "A Cilium agent runs on every node in a Kubernetes cluster. 
 
 **True/False**
 
 - a. True
-- b. False"; "Answer: a"
+- b. False", "Answer: a"
 "How many instances of the Hubble Relay run on each cluster?
 
 - a. One per node
 - b. One per pod
-- c. One per cluster"; "Answer: c"
+- c. One per cluster", "Answer: c"
 "What is the Cilium CLI command for checking that connectivity and policy enforcement is working correctly?
 
 - a. kubectl connectivity test
 - b. cilium connectivity test
-- c. cilium policy test"; "Answer: b"
+- c. cilium policy test", "Answer: b"
 "Which network policy resource type does Cilium support?
 
 - a. Standard Kubernetes NetworkPolicy
 - b. CiliumNetworkPolicy
 - c. CiliumClusterNetworkPolicy
-- d. All of the above"; "Answer: d"
+- d. All of the above", "Answer: d"
 "It’s possible to export Layer 3 network policy using the networkpolicy.io’s visual policy editor as CiliumNetworkPolicy YAML files. 
 
 **True/False**
 
 - a. True
-- b. False"; "Answer: a"
+- b. False", "Answer: a"
 "Which of the following is a true statement? 
 **Select all that apply.**
 
 - a. The CiliumNetworkPolicy resource supports service name-based egress policy for internal cluster communications
 - b. The standard Kubernetes NetworkPolicy resource supports L7 HTTP protocol rules limiting access to specific HTTP paths
-- c. The CiliumNetworkPolicy resource supports both TCP and ICMP egress policy"; "Answer: a"
+- c. The CiliumNetworkPolicy resource supports both TCP and ICMP egress policy", "Answer: a"
 "Hubble flows include packet dumps. 
 **True/False**
 
 - a. True
-- b. False" ; "Answer: b"
+- b. False" , "Answer: b"
 "You can filter by packet verdict in the Hubble UI service map. 
 **True/False**
 
 - a. True
-- b. False"; "Answer: a"
+- b. False", "Answer: a"
 "Which of the following statements are **TRUE**? 
 **Select all that apply.**
 
 - a. The Hubble Relay service provides cluster-wide network observability
 - b. It's not possible to filter flows by namespace using the Hubble CLI tool
 - c. Hubble flows include information about traffic direction
-- d. Hubble is optional and needs to be enabled when installing Cilium"; "Answer: a, c, d"
+- d. Hubble is optional and needs to be enabled when installing Cilium", "Answer: a, c, d"
 "After Istio is installed on a Kubernetes cluster, any workloads deployed to service mesh are automatically accompanied with sidecars.
 
 **True/False**
 a. True
-b. False"; "Answer: b."
+b. False", "Answer: b."
 "How is outbound traffic from a service routed to the sidecar?
 
 - a. Programmers must revise their code to specifically target the proxy at localhost:15000.
 - b. iptables rules within a Pod are applied to transparently effect this change.
-- c. Operators must use the istioctl rewire-pod command to transparently effect this change."; "Answer: b."
+- c. Operators must use the istioctl rewire-pod command to transparently effect this change.", "Answer: b."
 "What identity framework does Istio base its application of workload identity?
 
 - a. Security Assertion Markup Language (SAML)
 - b. Open ID Connect (OIDC)
 - c. Secure Production Identity Framework for Everyone (SPIFFE)
-- d. JSON Web Tokens (JWT)"; "Answer: c."
+- d. JSON Web Tokens (JWT)", "Answer: c."
 "The Istio framework offers the choice between manually configuring Envoy sidecars and letting the Istio control plane manage Envoy.
 
 **True/False**
 
 - a. True
-- b. False"; "Answer: b."
+- b. False", "Answer: b."
 "The _demo_ configuration profile installs only the Istio control plane and the ingress gateway.
 
 **True/False**
 
 - a. True
-- b. False"; "Answer: b."
+- b. False", "Answer: b."
 "Helm installation consists of the following Helm charts:
 
 - a. base, istiod, gateway
 - b. istiod, ingress-gateway, egress-gateway
 - c. istiod, gateways
-- d. base, control-plane, gateway"; "Answer: a."
+- d. base, control-plane, gateway", "Answer: a."
 "In which section of the IstioOperator resource can we configure Kubernetes resource limits and requests:
 
 - a. global
 - b. meshConfig
 - c. components
-- d. We cannot configure limits and requests."; "Answer: c."
+- d. We cannot configure limits and requests.", "Answer: c."
 "Observability is a concept that is broader than traditional monitoring.
 
 **True/False**
 
 - a. True
-- b. False"; "Answer: a."
+- b. False", "Answer: a."
 "What are the three main components of modern observability?
 
 - a. Graphs, charts, and metrics
 - b. Logs, metrics, and traces
-- c. Logs, Garbage collection, and Threads"; "Answer: b."
+- c. Logs, Garbage collection, and Threads", "Answer: b."
 "With Istio, developers must expose their metrics to Prometheus directly from inside their applications.
 
 **True/False**
 
 - a. True
-- b. False"; "Answer: b."
+- b. False", "Answer: b."
 "Envoy sidecars can initiate and propagate B3 trace headers without any assistance from the running applications. 
 
 **True/False**
 
 - a. True
-- b. False"; "Answer: b."
+- b. False", "Answer: b."
 "Istio, Prometheus, Grafana, Jaeger, and Kiali are all open source projects.
 
 **True/False**
 
 - a. True
-- b. False"; "Answer: a."
+- b. False", "Answer: a."
 "The ingress and egress gateways in Istio are single instances of an Envoy proxy. 
 
 **True/False**
 
 - a. True
-- b. False"; "Answer: a."
+- b. False", "Answer: a."
 "In which resource can we configure outlier detection and load balancer settings?
 
 - a. VirtualService
 - b. DestinationRule
 - c. Gateway
-- d. ServiceEntry"; "Answer: b."
+- d. ServiceEntry", "Answer: b."
 "The traffic can be matched on multiple properties and to match the values, we can only use regular expressions.
 
 **True/False**
 
 - a. True
-- b. False"; "Answer: b."
+- b. False", "Answer: b."
 "When Envoy retries a failed request, the endpoint that caused the retry is no longer in the load balancing pool. 
 
 **True/False**
 
 - a. True
-- b. False"; "Answer: a."
+- b. False", "Answer: a."
 "Authorization is all about the principal. 
 
 **True/False**
 
 - a. True
-- b. False"; "Answer: b."
+- b. False", "Answer: b."
 "Which one of the following resources can we use to configure mTLS for inbound traffic?
 
 - a. PeerAuthentication
 - b. DestinationRule
 - c. VirtualService
-- d. AuthorizationPolicy"; "Answer: a."
+- d. AuthorizationPolicy", "Answer: a."
 "What do Kubernetes pods use as their identity during runtime?
 
 - a. Kubernetes secrets
 - b. Service accounts
 - c. JWT tokens
-- d. Bearer tokens"; "Answer: b."
+- d. Bearer tokens", "Answer: b."
 "The clusters section in the Envoy configuration defines how the traffic is sent to the upstream service. 
 
 **True/False**
 
 - a. True
-- b. False"; "Answer: a."
+- b. False", "Answer: a."
 "Where in the Envoy configuration is the router filter defined?
 
 - a. Within the HTTP connection manager filter
 - b. Within the routes
 - c. Within the listener filter
-- d. Within the clusters"; "Answer: a."
+- d. Within the clusters", "Answer: a."
 "We can apply the Envoy configuration patch only at the namespace level. 
 
 **True/False**
 
 - a. True
-- b. False"; "Answer: b."
+- b. False", "Answer: b."
 "When using the **oci://** scheme in the WasmPlugin resource, the Istio agent downloads compiled Wasm plugins from an OCI-compliant registry.
 
 **True/False**
 
 - a. True
-- b. False"; "Answer: a."
+- b. False", "Answer: a."
 "By default, Istio watches all workloads in all namespaces and updates sidecar proxy configuration whenever new workloads are added, removed, or updated. 
 
 **True/False**
 
 - a. True
-- b. False"; "Answer: a."
+- b. False", "Answer: a."
 "Which Istio resource can be used to provide the details about the namespace, labels, and service account to the VM workload?
 
 - a. WorkloadEntry
 - b. VirtualService
 - c. ServiceEntry
-- d. ServiceEntry"; "Answer: a."
+- d. ServiceEntry", "Answer: a."
 "The primary cluster in the multi-cluster deployment scenario runs the control plane. 
 
 **True/False**
 
 - a. True
-- b. False"; "Answer: a."
+- b. False", "Answer: a."
 "What is the east-west gateway used for?
 
 - a. Service communication within a single Kubernetes cluster
 - b. Communication between Istio control plane and services within one cluster
 - c. Communication between workloads in the cluster and VMs
-- d. Communication between workloads in the cluster and VMs, VM sidecars, and Istio’s control plane"; "Answer: d."
+- d. Communication between workloads in the cluster and VMs, VM sidecars, and Istio’s control plane", "Answer: d."
 "The process of deploying an Envoy proxy alongside each workload is called:
 
 - a. proxy bundling
 - b. sidecar injection
 - c. sidecar bundling
-- d. proxy injection"; "Answer: d."
+- d. proxy injection", "Answer: d."