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Cloud, Containers, and Virtualization Chapter 13 Test
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You have decided to virtualize several of your existing Linux hardware servers. Which of the following is a MAJOR benefit you can expect from virtualization? - ANSWER - Pooling of multiple operating systems on the same physical hardware. Which of the following types of cloud storage is managed from a dashboard or webpage? - ANSWER - Blob Which of the following cloud storage types is accessed through network drives or as a cloud computing resource? - ANSWER - Block Containers and virtual machines have benefits and shortcomings. Which of the following are the benefits of using a container for running applications? - ANSWER - 1. Uses fewer hardware and software resources.
Full virtualization: Operating systems do not need modification to run within virtual machines. Partial virtualization: Only some of the components of a virtual machine are virtualized. Hardware-Assisted Virtualization: Handles some of the virtualization processing the hypervisor would normally perform. Containers and virtual machines have benefits and shortcomings. Which of the following are benefits of using a virtual machine for running applications? - ANSWER - 1. Operating system and applications are added to one system.
service that would BEST meet your needs. - ANSWER - snapd Which of the following are facts about the snapd daemon? (Select two.) - ANSWER - 1. You can use a command line tool to package your programs to run as a snap.
You've decided to use container technology to run the company application and are looking for a container management software package that meets the following requirements: The software can run rootless. The software is modular. In addition, the software only needs to be run from the command line, and creating images is not important. Which of the following software packages BEST meets these requirements? - ANSWER - Podman Which of the following are Docker Hub, Amazon ECR, and Harbor all examples of? - ANSWER - Container registries Which of the following provides the BEST definition of a sidecar in a Kubernetes pod? - ANSWER - Containers in a Kubernetes pod that perform a task on behalf of other containers Which of the following Linux bridge modes is the default? - ANSWER - NAT Linux-based hypervisors, such as Xen, KVM, and QEMU, provide a software-based virtual network switch. Which of the following is an additional feature provided by a Linux bridge? - ANSWER - NAT What is the Linux software package you need to install to implement Linux bridging? - ANSWER - bridge-utils You have several virtual machines that you want disconnected from the external network and from the host computer in order to test the performance of a new system with no external distractions. Which of the following Linux bridge modes should you be using? - ANSWER - Isolated When implementing a network gateway, implementing a firewall, or increasing performance, multiple NICs can be added to a computer. Which of the following can be implemented on VMs to provide this capability? - ANSWER - Multi-homed NICs Which of the following statements is TRUE about using multi-homed NICs? - ANSWER - You can connect each NIC to a separate virtual switch or multiple NICs to a single virtual switch. Which of the following is a function of a virtual network switch? - ANSWER - Connects the VM's virtual NIC and the host's physical NIC. Lynda, a network administrator, has been tasked with connecting the VMs on multiple virtual machine hosts in a way that doesn't expose the VMs to the external network. Which of the following should be implemented? - ANSWER - An overlay network Which of the following statements are TRUE about an overlay network? (Select two.) - ANSWER - 1. It lets you overly a virtual