Cloud Computing Delivery Models Quiz
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Questions and Answers

What is the primary advantage of grid computing in a corporate environment?

  • Deploying individual user applications
  • Running lightweight apps with minimal processing needs
  • Load balancing and ensuring system fault tolerance (correct)
  • Reducing development time for applications

    • Which feature best describes the utility of Platform as a Service (PaaS)?

  • Provides a complete OS for full customization
  • Requires the user to manage the underlying infrastructure
  • Is only available in private cloud models
  • Offers a development platform with built-in tools (correct)

    • What is a significant benefit of using thin-provisioned virtual machines?

  • Higher read/write speeds
  • Immediate allocation of total disk space
  • Larger VM sizes without resource constraints
  • Efficient use of storage space (correct)

    • Which algorithm is commonly employed for effective load balancing?

    <p>Round Robin</p> Signup and view all the answers

    What component is crucial for enabling virtual machines to connect to external networks?

    <p>vSwitch</p> Signup and view all the answers

    Which types of virtualization does VMware ESXi support?

    <p>Type 1 Virtualization</p> Signup and view all the answers

    What is an example of a serverless computing service?

    <p>AWS Lambda</p> Signup and view all the answers

    What is a potential risk associated with the use of public cloud services?

    <p>Data security concerns</p> Signup and view all the answers

    Which of the following technologies provides resource management and isolation within a Linux environment?

    <p>cgroups and namespaces</p> Signup and view all the answers

    What is a key benefit of adopting a microservices architecture?

    <p>Modular scaling and independent deployment</p> Signup and view all the answers

    Full virtualization is characterized by which of the following?

    <p>Completely emulates the hardware and BIOS</p> Signup and view all the answers

    What is the primary function of load balancing in cloud environments?

    <p>To distribute workloads for optimized resource use</p> Signup and view all the answers

    Which component is essential for the functioning of a virtualized environment?

    <p>Hypervisor</p> Signup and view all the answers

    What defines a community cloud in relation to a private cloud?

    <p>Shared by organizations with a common purpose</p> Signup and view all the answers

    The main advantage of multitenancy in cloud computing is what?

    <p>Cost efficiency through shared resources</p> Signup and view all the answers

    Which cloud model provides a balance between flexibility and control across various applications?

    <p>Hybrid Cloud</p> Signup and view all the answers

    Which of the following metrics is primarily concerned with the actual usage of cloud resources?

    <p>Measured Usage</p> Signup and view all the answers

    Which cloud delivery model is specifically designed for maximizing the efficiency of software development teams?

    <p>Platform as a Service (PaaS)</p> Signup and view all the answers

    What term describes the process of migrating a virtual machine while it is still operational?

    <p>Live Migration</p> Signup and view all the answers

    Which type of scaling involves adding more individual units or instances of the same resource to increase capacity?

    <p>Horizontal Scaling</p> Signup and view all the answers

    Which of the following is a potential risk NOT typically associated with cloud computing environments?

    <p>High availability</p> Signup and view all the answers

    What key advantage does microservices architecture offer over traditional monolithic architecture?

    <p>Development and operational flexibility</p> Signup and view all the answers

    What is the main function of a virtual switch (vSwitch) in a virtualized environment?

    <p>Facilitate communication between VMs on the same host</p> Signup and view all the answers

    What type of service category does AWS EC2 fall into within cloud services?

    <p>Infrastructure as a Service (IaaS)</p> Signup and view all the answers

    Which option represents a widely used container orchestration platform?

    <p>Kubernetes</p> Signup and view all the answers

    What is the primary purpose of true load balancing?

    <p>Efficient distribution of client requests to prevent overloading</p> Signup and view all the answers

    Which statement about public and private clouds is accurate?

    <p>Private clouds provide more control over data than public clouds.</p> Signup and view all the answers

    What does multitenancy in cloud computing imply?

    <p>Cloud resources are shared among multiple customers.</p> Signup and view all the answers

    What does elasticity in cloud computing refer to?

    <p>Automatically reallocating resources based on demand</p> Signup and view all the answers

    What is a key benefit of containerization in the context of microservices?

    <p>Containers are lightweight and start up quickly.</p> Signup and view all the answers

    Which of the following statements is true regarding high availability setups?

    <p>They rely on redundant systems to minimize downtime.</p> Signup and view all the answers

    How does elasticity function in cloud systems?

    <p>It dynamically allocates resources based on demand.</p> Signup and view all the answers

    What is true about the number of nines (e.g., 99.999%) in a system’s availability guarantee?

    <p>It signifies the availability guarantee of a system.</p> Signup and view all the answers

    What is the main purpose of high availability in cloud architecture?

    <p>To ensure that services are accessible even in case of failure.</p> Signup and view all the answers

    Regarding virtual switches, which of the following statements is accurate?

    <p>They allow VMs on the same host to communicate without using physical network hardware.</p> Signup and view all the answers

    Which statement correctly defines grid computing?

    <p>It aggregates resources from multiple machines to tackle complex problems.</p> Signup and view all the answers

    What is true about containers in relation to the host's OS kernel?

    <p>Containers run in isolation and utilize the host’s OS kernel.</p> Signup and view all the answers

    What does redundancy in cloud architecture help achieve?

    <p>Higher availability of services.</p> Signup and view all the answers

    Which of the following accurately describes a Type 1 hypervisor?

    <p>It runs directly on the hardware and is more efficient than Type 2 hypervisors.</p> Signup and view all the answers

    What is a function of load balancing in cloud environments?

    <p>To distribute traffic evenly to enhance reliability and resource utilization.</p> Signup and view all the answers

    Study Notes

    Cloud Computing Delivery Models

    • Measured Usage is the best suited cloud delivery model for a software development team.
    • PaaS (Platform as a Service) is the best suited cloud delivery model for a software development team.

    Virtualization

    • Live Migration is a VM migration that occurs while the machine is powered on.

    Scaling

    • Horizontal Scaling involves adding more instances of the same resource.

    Cloud Computing Risks

    • Vendor lock-in, Compliance issues, and Security vulnerabilities are all risks associated with cloud computing.

    Microservices Architecture

    • Increased development and operational flexibility is the main benefit of using microservices architecture.

    Virtual Switch

    • Facilitate communication between VMs on the same host is the primary purpose of a virtual switch (vSwitch).

    Cloud Models

    • IaaS (Infrastructure as a Service) is the model AWS EC2 falls under.

    High Availability

    • High availability setups aim to minimize downtime and maximize uptime.

    Server Consolidation

    • Server consolidation involves running multiple OS instances on one physical machine

    Redundancy

    • Redundancy best describes storing data across multiple physical locations to ensure availability.

    Grid Computing

    • Load balancing and ensuring system fault tolerance are the use cases for Grid Computing.
    • Parallel processing across multiple servers is the main reason a company might choose grid computing.

    PaaS Characteristics

    • A development platform with built-in tools is a characteristic of PaaS.

    Thin-Provisioned VMs

    • Efficient use of storage space is a benefit of thin-provisioned VMs.

    Load Balancing Algorithm

    • Round Robin is the algorithm used for load balancing.

    Virtual Switch (vSwitch)

    • Connecting VMs to external networks is the key function of a vSwitch.

    Virtualization Types

    • Type 1 Virtualization is what VMware ESXi supports.

    Serverless Services

    • AWS Lambda is an example of a serverless service.

    Public Cloud Risks

    • Data security concerns are a potential risk when using a public cloud.

    Containerization Technology

    • cgroups and namespaces isolate processes in containerization.

    Microservices Advantage

    • Modular scaling and independent deployment are core advantages of using microservices.

    Full Virtualization

    • Completely emulates the hardware and BIOS describes full virtualization.

    Load Balancing in Cloud Architecture

    • Distributing workloads for optimized resource use is the main goal of load balancing in cloud architecture.

    Virtualized Environment Key Component

    • Hypervisor is the key component for a virtualized environment to function.

    Cloud Models

    • Shared by organizations with a common purpose is what distinguishes a community cloud from a private cloud.

    Multitenancy Benefits

    • Cost efficiency through shared resources is the benefit of multitenancy in cloud computing.

    Hybrid Cloud

    • A mixture of flexibility and control for different applications is offered by the Hybrid Cloud model.

    Virtualization Types

    • Kubernetes allows different OSs to share the same hardware with minimal isolation.

    True Load Balancing

    • Efficient distribution of client requests to prevent overloading is ensured by true load balancing.

    True/False Answers

    • True/False: Full virtualization requires the guest OS to know it is virtualized. False
    • True/False: Containers do not share the host’s OS kernel. False
    • True/False: Virtualization always increases performance. False
    • True/False: Public clouds offer more control over data than private clouds. False
    • True/False: Cloud computing enables on-demand self-service. True
    • True/False: Microservices architecture typically allows services to run independently of each other. True
    • True/False: A hypervisor is also known as a virtual machine monitor (VMM). True
    • True/False: Clustering is best used for applications that require high availability and load balancing. True
    • True/False: Containers are slower to start than VMs. False
    • True/False: Elasticity in cloud computing means only scaling up resources when needed. False
    • True/False: High availability setups can only be achieved using public clouds. False
    • True/False: LXD is a container management system that supports full OS-level containers. True
    • True/False: Grid computing is suitable for solving single, large-scale computational problems. True
    • True/False: Vendor lock-in can limit an organization’s flexibility in the cloud. True
    • True/False: A virtual switch allows VMs on the same host to communicate without using physical network hardware. True
    • True/False: Containers and VMs cannot coexist on the same host. False
    • True/False: The number of nines (e.g., 99.999%) represents the availability guarantee of a system. True
    • True/False: NAT mode networking for VMs requires the VM to have a unique external IP address. False
    • True/False: SaaS allows users to manage underlying infrastructure directly. False
    • True/False: Live migration of VMs is only possible with shared storage between hosts. True
    • True/False: Multitenancy means that cloud resources are used by a single customer only. False
    • True/False: PaaS includes infrastructure management responsibilities for the consumer. False
    • True/False: Ubiquitous access means cloud services can only be accessed from on-premise networks. False
    • True/False: The primary goal of clustering is to provide software portability. False
    • True/False: Containers are well-suited for microservices because they are lightweight and start up quickly. True
    • True/False: A Type 2 hypervisor runs directly on the hardware without a host OS. False
    • True/False: Grid computing is used for tasks that a single machine cannot solve efficiently. True
    • True/False: Elasticity allows cloud systems to handle sudden changes in demand by dynamically allocating resources. True
    • True/False: IaaS provides a platform for developers with pre-configured development tools. False
    • True/False: A VM can run different guest operating systems using full virtualization. True
    • True/False: High availability ensures that services are guaranteed to never fail. False
    • True/False: Containers are more resource-efficient than VMs because they share the host OS. True
    • True/False: Serverless computing runs continuously without any resource scaling. False
    • True/False: Private clouds can only be hosted on-premise. False
    • True/False: Redundancy in cloud architecture can help achieve higher availability. True
    • True/False: The main function of a virtual switch is to connect multiple storage devices. False
    • True/False: Multitenancy supports resource sharing among different cloud clients. True
    • True/False: Containerization supports isolation at the OS kernel level. True
    • True/False: A Type 1 hypervisor is more resource-efficient than a Type 2 hypervisor. True
    • True/False: Containers include a full guest OS for each instance. False
    • True/False: High availability and fault tolerance are the same concepts. False
    • True/False: Load balancing distributes traffic to improve reliability and resource utilization. True
    • True/False: Public cloud services are generally more cost-effective than private clouds. True

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    Cloud Computing Quiz PDF

    Description

    Test your knowledge on various cloud computing delivery models, virtualization, and the concept of microservices architecture. This quiz covers essential topics like PaaS, IaaS, and associated risks in cloud environments. Prepare to deepen your understanding of modern cloud solutions and their implications for software development.

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