Google Associate Cloud Engineer - Notes and Samples

• #13 चुनें

  Avoiding Customer Pain

  • AAvailability, durability, scalability, resiliency.
  • BIKPIs, SLIs, SLOs, SLAs.
  • CGet, post, put, delete.
  • DLatency, traffic, saturation, errors.
  • EDevelopers can work on new features as long as they are within their error budget
  • FYou should devise an alerting strategy that notifies developers of an event that is consuming an unusually high percentage to the error budget.
  • GThe error budget is calculated as 100% minus the SLO for a given SLI.
  • HAn error budget is generally expressed as a percentage, and that percentage will hover somewhere near, but not at, 100%.
  • IIt is a time-bound measurable attribute of a service.
  • JIt is a key performance indicator, for example, clicks per session or customer signups.
  • KIt represents a contract with your customers regarding service performance.
  • LIt is a percentage goal of a measure you intend your service to achieve.
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• #24 चुनें

  Cloud Computing and Google Cloud

  • ACustomers who need more resources can get them rapidly
  • BCustomers pay for the resources they use or reserve.
  • CCloud computing providers dedicate particular physical resources to particular customers.
  • DHuman intervention is required to stop using cloud resources once reserved, and payment continues until the change is confirmed.
  • ECloud Functions
  • FCompute Engine
  • GGoogle Kubernetes Engine
  • HApp Engine
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• #32 चुनें

  Infrastructure Automation

  • AAllows you to hardcode properties for your resources
  • BAllows you to run configuration management software.
  • CAllows you to abstract part of your configuration into individual building blocks that you can reuse
  • DA centralized billing platform for all Google Cloud services and applications
  • EA platform for trading VM instances
  • FProduction-grade solutions from third-party vendors who have already created their own deployment configurations based on Terraform
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• #42 चुनें

  Interacting with Google Cloud

  • ACloud Shell
  • BCloud SDK
  • CConsole
  • DCloud Console mobile app
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• #53 चुनें

  Resource Management

  • AA bucket.
  • BA user.
  • CA virtual machine.
  • DA project.
  • ENothing. There is no point in sending a notification when there is no budget remaining.
  • FA notification email is sent to the Billing Administrator.
  • GYou have a 4-hour courtesy period before Google shuts down all resources.
  • HEverything in the associated project will be suspended because there is no more budget to spend.
  • IBy preventing resource use of too many different Google Cloud services.
  • JBy preventing resource use by unknown users.
  • KBy preventing resource use in too many zones in a region.
  • LBy preventing uncontrolled consumption of resources.
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• #62 चुनें

  Managed Services

  • AIf you have an existing infrastructure service, Google will manage it for you if you purchase a Managed Services contract.
  • BManaged Services may be an alternative to creating and managing infrastructure solutions.
  • CManaged Services are pay services offered by 3rd party vendors.
  • DManaged Services are more customizable than infrastructure solutions.
  • EIt doesn't integrate with Cloud Monitoring, but it has its own monitoring system.
  • FDataproc allows full control over HDFS advanced settings.
  • GDataproc billing occurs in 10-hour intervals.
  • HIt typically takes less than 90 seconds to start a cluster.
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• #72 चुनें

  Monitoring Network Security and Audit Logs

  • ACan be very large.
  • BMay contain sensitive information.
  • CThey often have VPC access issues.
  • DCan be expensive to store.
  • EProject Viewer
  • FProject Editor
  • GLogging Viewer
  • HLogging Admin
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• #83 चुनें

  Kubernetes Controller Objects

  • ATo provide a load-balancing network endpoint for Pods
  • BTo allow you to choose how Pods are exposed
  • CTo allow you to put constraints on Pods' resource consumption
  • DTo provide a way to inspect and diagnose code running in a Pod
  • EStatefulSet
  • FDeployment
  • GDaemonSet
  • HReplicaSet
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• #93 चुनें

  Containers and Container Images

  • ATo control an application's ability to see parts of the directory tree and IP addresses
  • BTo control an application's maximum consumption of CPU time and memory
  • CTo efficiently encapsulate applications and their dependencies into a set of clean, minimal layers
  • DTo give a container its own virtual memory address space
  • EReading from or writing to the topmost layer requires special software libraries.
  • FReading from or writing to the topmost layer requires special privileges.
  • GThe topmost layer's contents are ephemeral. When the container is deleted, the contents will be lost.
  • HAn application running in a container can only modify the topmost layer.
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• #103 चुनें

  Virtual Machines

  • AAll Compute Engine VMs are single tenancy and do not share CPU hardware.
  • BA VM in Compute Engine always maps to a single hardware computer in a rack.
  • CCompute Engine uses VMware to create Virtual Machine Instances.
  • DIn Compute Engine, a VM is a networked service that simulates the features of a computer.
  • EPurchase commitments for specific resources you know you will use
  • FAutomatic discounts that you get for running specific Compute Engine resources for a significant portion of the billing month
  • GDiscounts you receive by using preemptible VM instances
  • HPer-second billing that starts after a 1 minute minimum
  • IPersistent disks are always HDDs (magnetic spinning disks).
  • JPersistent disks are physical hardware devices connected directly to VMs.
  • KPersistent disks are encrypted by default.
  • LOnce created, a persistent disk cannot be resized.
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• #112 चुनें

  DevOps Automation

  • AApp Engine
  • BCloud Functions
  • CBuild triggers
  • DCloud Scheduler
  • ECloud Source Repositories
  • FCloud Build
  • GContainer Registry
  • HAll of these
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• #123 चुनें

  Virtual Networks

  • AOne: Only an internal IP address
  • BTwo: One internal and one external IP address
  • CThree: One internal, one external and one alias IP address
  • DZonal, regional, and global
  • EGigabit network, 10 gigabit network, and 100 gigabit network
  • FDefault network, auto network, and custom network.
  • GIPv4 unicast network, IPv4 multicast network, IPv6 network
  • HTags help organizations track firewall billing.
  • ITags in network traffic help with network sniffing.
  • JTags on firewall rules control which ephemeral IP addresses VMs will receive.
  • KWhen a VM is created with a matching tag, the firewall rules apply irrespective of the IP address it is assigned.
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• #133 चुनें

  Resource Monitoring

  • ACapacity planning.
  • BTesting and release procedures.
  • CMonitoring.
  • DRoot cause analysis.
  • EReporting on latency as part of managing performance.
  • FReporting on Google Cloud system errors.
  • GReporting on application errors.
  • HReporting on Google Cloud resource consumption as part of managing performance.
  • IReduces overhead, reduces noise, streamlines use, and fixes problems faster
  • JAbility to replace one tool with another from a different vendor
  • KDetailed control over the connections between the technologies
  • LBetter for Google Cloud only so long as you don't need to monitor other applications or clouds
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• #144 चुनें

  Writing Infrastructure Code for Google Cloud

  • ATwo
  • BOne
  • CThree
  • DFour
  • ENo
  • FYes
  • GParameterize a resource configuration.
  • HPrint resource attributes.
  • IDeclare a resource within a Terraform configuration.
  • JExplicit dependency
  • KImplicit dependency
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• #153 चुनें

  Managing Incidents

  • AAlerts
  • BCommunication Channels
  • CSupport tickets
  • DPostmortems
  • EPostmortem
  • FRoot cause analysis
  • GAssign blame
  • HMitigation
  • IOn-call Responder, Helpdesk, DevOps
  • JExecutive, Operations, Lead
  • KHelpdesk, DevOps, Engineering
  • LIncident Commander, Operations Lead, Communications Lead
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• #16

  Kubernetes Concepts

  • AA container contains one or more pods.
  • BPods and containers are two names for the same thing.
  • CA pod contains one or more containers.
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• #174 चुनें

  Kubernetes Object Management

  • Aspec
  • BapiVersion
  • Ckind
  • Dmetadata
  • ENamespaces let you implement resource quotas across your cluster.
  • FNamespaces allow you to use object names that would otherwise be duplicates of one another.
  • GNamespaces partition Linux kernel resources.
  • HNamespaces make resources more secure,
  • ITo ensure that a defined set of Pods is running at any given time.
  • JTo launch one or more Pods and ensure that a specified number of them successfully run to completion and exit.
  • KTo launch one or more Pods on a time-based schedule.
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• #183 चुनें

  Configuring Google Cloud Services for Observability

  • AWorkspaces can include resources from multiple projects.
  • BYou can allow other users to view your workspace using IAM.
  • CEach project can be in only one workspace.
  • DWorkspaces can include AWS resources.
  • EYou need to deny access to all Google Cloud services under scopes.
  • FYou need to add the Logging Viewer role to the service account.
  • GYou need to install the logging agent.
  • HYou need to turn on the VM machine logs.
  • IAdd appropriate tags to your Google Cloud resources.
  • JUse customized logging messages that include appropriate resource metadata.
  • KAdd appropriate labels to your Google Cloud resource.
  • LUse standardized prefixes on the names of all resources.
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• #192 चुनें

  Designing Reliable Systems

  • ACircuit breaker
  • BOverload feedback repudiation
  • CTruncated exponential backoff
  • DLazy caching
  • EFirestore
  • FSpanner
  • GBigQuery
  • HCloud SQL
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• #203 चुनें

  Defining Services

  • AIt is a target measure you want your service to achieve.
  • BIt is a contract with end users that guarantees service quality
  • CIt is a short, measurable description of an application feature.
  • DIt is a measurable, time bound key performance indicator for your application.
  • EPage views per hour
  • FUser experience design
  • GUser sign ups per month
  • HClicks per session
  • IIt is a short description of a typical person using the system.
  • JIt is a narrative that describes the sequence of steps a typical user would perform to accomplish some task or goal when using the system.
  • KIt is a short description of a feature written from the user's point of view.
  • LIt is a requirement of the system you are developing.
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