1.2 Designing VPC Networks. Considerations Include: PROFESSIONAL-CLOUD-NETWORK-ENGINEER Practice Questions (Page 4)

Questions 16–20

1. 16expert · hard

   A company wants to insert a third-party NVA for traffic inspection. They have a VPC with multiple subnets and want to steer traffic between subnets through the NVA. They also want to ensure high availability for the NVA. They are considering using an internal load balancer (ILB) in front of the NVA. What is the best design?

   • ADeploy a single NVA and configure static routes to point to it.
   • BDeploy a single NVA and use Cloud NAT for high availability.
   • CDeploy multiple NVAs behind an internal load balancer and configure static routes to point to the ILB.
   • DDeploy multiple NVAs and use policy-based routes to distribute traffic.
   Reveal Solution Discussion Select an answer first
2. 17application · medium

   A company is deploying a high-performance computing (HPC) workload that requires low latency and high throughput between VMs in the same VPC. They are considering the MTU size for their VPC network. What MTU should they configure to maximize performance?

   • A4096 bytes
   • B1460 bytes (default)
   • C1500 bytes
   • D8896 bytes (jumbo frames)
   Reveal Solution Discussion Select an answer first
4. 18foundation · easy

   A company wants to use IP addresses that are not defined in RFC 1918 for its VPC subnets to avoid overlapping with on-premises networks. Which IP addressing approach should be used?

   • AUse IPv6 addresses only
   • BUse non-RFC 1918 private addresses, such as 100.64.0.0/10 (CGNAT range)
   • CUse only private RFC 1918 addresses
   • DUse publicly routable IP addresses that are not owned by the company
   Reveal Solution Discussion Select an answer first
5. 19foundation · easy

   An organization has two independent business units that require complete network isolation and no shared routing. Each unit manages its own VPC. What is the minimum number of VPC networks required?

   • ATwo VPC networks connected by VPC Network Peering
   • BOne VPC with separate subnets
   • CTwo VPC networks, one per business unit
   • DOne Shared VPC with two service projects
   Reveal Solution Discussion Select an answer first
6. 20foundation · easy

   An organization wants to provide a private, secure connection from its VPC to a Google-managed service (such as a Cloud SQL instance) without exposing the service to the public internet. Which interconnection method should be used?

   • ANetwork Connectivity Center
   • BCloud NAT
   • CVPC Network Peering
   • DPrivate Service Connect
   Reveal Solution Discussion Select an answer first