1.12 Explain Virtualization Fundamentals (server Virtualization, Containers, and VRFs) 200-301 Practice Questions (Page 6)

Questions 26–29

1. 26application · medium

   A service provider wants to offer separate VPN services to multiple customers on the same router. Each customer must have its own routing table and cannot see other customers' routes. The provider also wants to use MPLS in the future. Which technology should be implemented?

   • AConfigure VRFs on the provider edge router.
   • BUse a separate physical router for each customer.
   • CConfigure VLANs for each customer.
   • DUse policy-based routing to separate customer traffic.
   Reveal Solution Discussion Select an answer first
2. 27expert · hard

   A network engineer must isolate routing between two business units on a single router. The router also hosts a VM that runs a network monitoring tool. The monitoring tool needs to see traffic from both business units. Which design meets the requirement?

   • ACreate two VRFs for the business units and place the monitoring VM in a third VRF with route leaking to both.
   • BCreate two VRFs and connect the monitoring VM to a physical port in each VRF.
   • CUse one VRF for both business units and rely on ACLs to block traffic.
   • DPlace the monitoring VM in the global routing table and use static routes to reach both VRFs.
   Reveal Solution Discussion Select an answer first
4. 28expert · hard

   A company runs a containerized application on a single host. The application has multiple services that need to communicate with each other, but some services must be isolated from others for security. The team considers using separate Docker networks or VRFs. Which approach is most appropriate?

   • AUse a VM for each service.
   • BUse VRFs on the host to isolate services.
   • CUse separate Docker networks to isolate services.
   • DUse a single Docker network with firewall rules.
   Reveal Solution Discussion Select an answer first
5. 29foundation · easy

   What is a key difference between containers and virtual machines?

   • AContainers share the host operating system kernel, while virtual machines each run their own operating system.
   • BContainers are larger in size than virtual machines.
   • CContainers require a hypervisor, while virtual machines do not.
   • DContainers provide stronger isolation than virtual machines.
   Reveal Solution Discussion Select an answer first