PREPARING FOR GOOGLE CLOUD CERTIFICATION: CLOUD ARCHITECT CERTIFICATE

Course 4: Elastic Google Cloud Infrastructure: Scaling and Automation

Week 1 – Scaling and Automation

Coursera Study Guide

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CONTENT

In this module we introduce the Architecting with Google Compute Engine course series. This course series is defined for cloud solution architects, DevOps engineers, and anyone who’s interested in using Google Cloud, to create new solutions or to integrate existing systems, application environments, and infrastructure with a focus on Compute Engine.

Learning Objectives

  • Understand how to navigate the course
  • Understand how to download course resources
  • Recall the various load balancing services
  • Determine which Google Cloud load balancer to use in specific circumstances
  • Describe autoscaling behavior, policies, configuration, and metrics
  • Configure load balancers and autoscaling

INTERCONNECTING NETWORKS

1. What is the purpose of Virtual Private Networking (VPN)?

  • It is a method to detect intruders at the edge of a network boundary.
  • VPNs are also called access control lists, or ACLs, and they limit network access.
  • To enable a secure communication method (a tunnel) to connect two trusted environments through an untrusted environment, such as the Internet. (CORRECT)
  • The main purpose is to encrypt data so that it can be stored in an encrypted format.

Correct: VPNs use IPSec tunnels to provide an encapsulated and encrypted path through a hostile or untrusted environment.

2. Which Google Cloud Interconnect service requires a connection in a Google Cloud colocation facility and provides 10 Gbps per link?

  • Direct Peering
  • Carrier Peering
  • Cloud VPN
  • Dedicated Interconnect (CORRECT)
  • Partner Interconnect

Correct: Correct! Dedicated Interconnect requires a connection in a Google Cloud colocation facility and provides 10 Gbps per link.

3. If you cannot meet Google’s peering requirements, which network connection service should you choose to connect to Google Workspace and YouTube?

  • Partner Interconnect
  • Dedicated Interconnect
  • Carrier Peering (CORRECT)
  • Direct Peering

Correct: That’s correct! Carrier Peering allows you to connect to Google Workspace and YouTube without meeting Google’s peering requirements.

4. Which of the following approaches to multi-project networking, uses a centralized network administration model?

  • Cloud VPN
  • Shared VPC (CORRECT)
  • VPC Network Peering

Correct: Correct! Shared VPC is a centralized approach to multi-project networking, because security and network policy occurs in a single designated VPC network.

LOAD BALANCING AND AUTOSCALING

1. Which of the following is not a Google Cloud load balancing service?

  • Cloud VPN
  • Shared VPC (CORRECT)
  • VPC Network Peering

Correct: Correct! Shared VPC is a centralized approach to multi-project networking, because security and network policy occurs in a single designated VPC network.

2. Which three Google Cloud load balancing services support IPv6 clients?

  • TCP proxy load balancing (CORRECT)
  • Network load balancing
  • Internal load balancing
  • HTTP(S) load balancing (CORRECT)
  • SSL proxy load balancing (CORRECT)

Correct: Correct! TCP proxy load balancing supports IPv6 clients in addition to IPv4 clients.

Correct: Correct! HTTP(S) load balancing supports IPv6 clients in addition to IPv4 clients.

Correct: Correct! SSL proxy load balancing supports IPv6 clients in addition to IPv4 clients.

3. Which of the following are applicable autoscaling policies for managed instance groups?

  • CPU utilization (CORRECT)
  • Queue-based workload (CORRECT)
  • Load balancing capacity (CORRECT)
  • Monitoring metrics (CORRECT)

Correct: That’s correct!

Previous – Course
Next – Week 2

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