PREPARING FOR GOOGLE CLOUD CERTIFICATION: CLOUD ARCHITECT CERTIFICATE
Course 2 – Essential Google Cloud Infrastructure: Foundation
Week 1: Interacting with Google Cloud
Coursera Study Guide
INTERACTING WITH GOOGLE CLOUD
1. Which of the following does not allow you to interact with Google Cloud?
- Google Cloud Console
- REST-based API
- Cloud Explorer (CORRECT)
- Cloud Shell
Correct: That’s correct! There are four ways you can interact with Google Cloud: There’s the Cloud Console, Cloud Shell and the Cloud SDK, the APIs, and the Cloud Mobile App. The Cloud Explorer is not a Google Cloud tool.
2. What is the difference between the Google Cloud Console and Cloud Shell?
- Cloud Shell is a command-line tool, while the Cloud Console is a graphical user interface (CORRECT)
- The Cloud Console is a command-line tool, while Cloud Shell is a graphical user interface
- Cloud Shell is a locally installed tool, while the Cloud Console is a temporary virtual machine.
- There is no difference as these tools are 100% identical.
Correct: The Cloud Console is a graphical user interface and Cloud Shell is a command-line tool. Both tools allow you to interact with Google Cloud. Even though the Cloud Console can do things Cloud Shell can’t do and vice-versa, don’t think of them as alternatives, but think of them as one extremely flexible and powerful interface.
1. In Google Cloud, what is the minimum number of IP addresses that a VM instance needs?
- One: Only an internal IP address (CORRECT)
- Two: One internal and one external IP address
- Three: One internal, one external and one alias IP address
Correct: In Google Cloud, each virtual machine needs to have an internal IP address. The external IP address is optional; therefore, a VM instance only needs one IP address.
2. What are the three types of networks offered the Google Cloud?
- Zonal, regional, and global
- Gigabit network, 10 gigabit network, and 100 gigabit network
- Default network, auto network, and custom network. (CORRECT)
- IPv4 unicast network, IPv4 multicast network, IPv6 network
Correct: The three network types offered by Google Cloud are: default, auto and custom. Each project starts with a default network. The auto-type network uses the same subnet IP ranges as the default-type, with a network name other than default. A custom-type allows you to specify the IP ranges of subnets.
3. What is one benefit of applying firewall rules by tag rather than by address?
- Tags help organizations track firewall billing.
- Tags in network traffic help with network sniffing.
- Tags on firewall rules control which ephemeral IP addresses VMs will receive.
- When a VM is created with a matching tag, the firewall rules apply irrespective of the IP address it is assigned. (CORRECT)
Correct: When a VM is created the ephemeral external IP address is assigned from a pool. There is no way to predict which address will be assigned, so there is no way to write a rule that will match that VM’s IP address before it is assigned. Tags allow a symbolic assignment that does not depend on order in the IP addresses. It makes for simpler, more general, and easier to maintain, firewall rules.
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