Podcast
Questions and Answers
Which feature distinguishes Application Load Balancers from Network Load Balancers?
Which feature distinguishes Application Load Balancers from Network Load Balancers?
What is a primary function of Proxy Load Balancers?
What is a primary function of Proxy Load Balancers?
What aspect of Passthrough Load Balancers makes them suitable for certain applications?
What aspect of Passthrough Load Balancers makes them suitable for certain applications?
Which layer do Network Load Balancers primarily operate at?
Which layer do Network Load Balancers primarily operate at?
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What is one of the main benefits of using Application Load Balancers?
What is one of the main benefits of using Application Load Balancers?
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Which of the following statements is true regarding the Global DNS provided by Google, notably 8.8.8.8?
Which of the following statements is true regarding the Global DNS provided by Google, notably 8.8.8.8?
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What type of applications typically benefit from using Proxy Load Balancers?
What type of applications typically benefit from using Proxy Load Balancers?
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Which of the following is NOT a type of load balancer mentioned?
Which of the following is NOT a type of load balancer mentioned?
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What is the primary purpose of tagging web servers in a VPC?
What is the primary purpose of tagging web servers in a VPC?
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Which method allows VPCs in different Google Cloud projects to communicate with each other?
Which method allows VPCs in different Google Cloud projects to communicate with each other?
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What feature of Cloud Load Balancing helps manage fluctuating user traffic?
What feature of Cloud Load Balancing helps manage fluctuating user traffic?
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What kind of traffic can Cloud Load Balancing handle?
What kind of traffic can Cloud Load Balancing handle?
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Which scenario requires the use of a Shared VPC?
Which scenario requires the use of a Shared VPC?
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Which of the following best describes Cloud Load Balancing?
Which of the following best describes Cloud Load Balancing?
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What component is crucial for handling user traffic in applications with varying VM counts?
What component is crucial for handling user traffic in applications with varying VM counts?
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What is the primary function of firewall rules in a VPC environment?
What is the primary function of firewall rules in a VPC environment?
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What feature allows Cloud Load Balancing to manage user traffic when backend servers become unhealthy?
What feature allows Cloud Load Balancing to manage user traffic when backend servers become unhealthy?
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Which type of load balancer is specifically designed for handling HTTP and HTTPS traffic?
Which type of load balancer is specifically designed for handling HTTP and HTTPS traffic?
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What is NOT a requirement when anticipating a spike in traffic with Cloud Load Balancing?
What is NOT a requirement when anticipating a spike in traffic with Cloud Load Balancing?
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What layer of the OSI model primarily pertains to Network Load Balancing?
What layer of the OSI model primarily pertains to Network Load Balancing?
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Which characteristic of Cloud Load Balancing best describes its ability to handle traffic across multiple regions?
Which characteristic of Cloud Load Balancing best describes its ability to handle traffic across multiple regions?
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What allows Cloud Load Balancing to react quickly to changes in traffic and user demands?
What allows Cloud Load Balancing to react quickly to changes in traffic and user demands?
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In what scenario would you use an Internal Load Balancer?
In what scenario would you use an Internal Load Balancer?
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Which functionality does NOT pertain to the Application Load Balancer?
Which functionality does NOT pertain to the Application Load Balancer?
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What is a primary benefit of using Cloud Load Balancing without needing pre-warming?
What is a primary benefit of using Cloud Load Balancing without needing pre-warming?
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Study Notes
Google Cloud Compute Engine
- Google Compute Engine (GCE) is Google Cloud's IaaS solution
- Users can create and run virtual machines (VMs) on Google infrastructure
- No upfront investments, high CPU counts
- VMs are fully functional operating systems
- Configurable like physical servers (CPU, memory, storage, OS specifications)
Virtual Private Cloud (VPC)
- VPC is a secure, individual, private cloud-computing model hosted within a public cloud
- Customers can run code, store data, host websites on a VPC
- Combines public cloud scalability with private cloud data isolation
- VPC networks connect Google Cloud resources to each other and the internet
VPC networks
- VPC networks are global
- Subnets can span zones within a region, allowing global scope and within-subnet resilience
- Subnets can span zones within the same region
- Subnet size is adjustable (IP address ranges) without impacting configured VMs
Virtual Machine Instances
- VMs can be created via console, Cloud CLI, or API
- Can run Linux, Windows Server images, and user-defined OS versions
- Flexible resources with reconfiguration capabilities
Cloud Marketplace
- A quick way to get started on GCP
- Offers solutions from various vendors (Google & 3rd parties)
- No manual configurations involved (storage, networking, etc.)
- Most packages are free, some with usage charges (estimates provided)
Compute Engine Pricing and Billing
- Billing is per second with a minimum of 1 minute
- Sustained-use discounts offered for consistent VM usage greater than 25% of a month
- Committed-use discounts available (57%) for consistent vCPUs and memory usage for 1 or 3 years
- Preemptible and Spot VMs for cost-effective workloads that can be restarted (up to 90% savings possible)
- Preemptible VMs have a maximum runtime of 24 hours
- Spot VMs do not have a maximum runtime.
Storage Options
- Compute Engine storage doesn't require specific options for high throughput with persistent disks
- Several storage option types available, including Zonal persistent disk, Regional persistent disk, Local SSD, Cloud Storage buckets, and Filestore.
- Storage options vary with price and performance characteristics
Cloud Load Balancing
- Distributes user traffic across multiple application instances
- Reduces the risk of performance issues by spreading the load
Cloud Load Balancing Options
- Fully distributed, software-defined, managed service for all traffic (HTTP(S)/TCP/SSL/UDP)
- No VM management required
- Includes automatic multi-regional failover
- Adapts quickly to user, traffic, and network changes
- No pre-warning for traffic spikes are needed
Application Load Balancing
- Layer 7 load balancing for HTTP(S) traffic
- Handles advanced features like content-based routing and SSL/TLS termination (high flexibility)
- Operates as a reverse proxy
Network Load Balancers
- Supports different protocols (TCP, UDP, other IPs)
- Efficiently handles traffic distribution
Partner Interconnect
- Offers connectivity between on-premises and VPC networks through a supported service provider
- Supports mission-critical applications with some downtime tolerance
- Available at 10 Gbps and 100 Gbps speeds
Cross-Cloud Interconnect
- Establishes high-bandwidth dedicated connectivity between Google Cloud and another cloud provider
- Supports integration with other cloud environments
Cloud DNS
- Manages DNS resolution for applications hosted on Google Cloud Platform
- Offers low latency and high availability (runs on same infrastructure as Google)
- Programmable, user-controlled DNS zones and records using console, CLI, or API
Cloud CDN
- A global system of edge caches that stores and delivers content to end users
- Provides lower network latency and reduced load for origins of content
- Enables with a single checkbox after Load Balancer configuration
- Can be used in conjunction with existing CDN solutions
VPC Networking
- Connects Google resources (Compute Engine, Cloud CDN)
- Features include routing tables and firewalls
VPC Peering
- Establishes relationships between two VPCs for traffic exchange
Quiz Questions and Answers
- Quiz Question 1: Subnets in Google Cloud VPCs have a regional scope.
- Quiz Question 2: The primary reason for choosing Preemptible/Spot VMs is to reduce cost.
- Quiz Question 3: Dedicated Interconnect is the only option available with a Service Level Agreement.
- Quiz Question 4: Cloud Load Balancing distributes HTTP-based traffic across multiple virtual machine instances in a single Compute Engine region.
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Description
Explore the essentials of Google Cloud's Compute Engine and Virtual Private Cloud (VPC). This quiz covers the creation and management of virtual machines, VPC networks, and their key functionalities within the cloud infrastructure. Test your understanding of IaaS solutions and cloud computing models.
