1.Question 1Who works in the background to make sure a company’s IT infrastructure is always working and is constantly fighting to prevent IT disasters from happening?1 pointThe janitorThe regional managerThe CEOThe system administrator (or sysadmin)2.Question 2Which are examples of IT infrastructure? (Choose all that apply).1 pointFile sharing service for project filesA company's workforceAn organization's websiteComputers employees use to access the Internet3.Question 3Of the following, which type of server hardware is the most space-efficient?1 pointKVM switchTower serverBlade serverRack server4.Question 4Which of the following are server types that a sysadmin for a small company might manage? Select all that apply. 1 pointSSDSSHVREmail5.Question 5What are some disadvantages of cloud computing? (Choose all that apply)1 pointUse less local storage spaceNot having to manage server hardwareBecoming dependent on the cloud providerIt could potentially cost more6.Question 6Which of the following are considerations when developing computer policies? (Choose all that apply)1 pointShould users be able to install softwareShould a password be set on an employee's company phone?Should users be able to view non-work-related websites, like Facebook?Should users be able to decide the brightness of their monitor?7.Question 7A machine is having issues, so the user is getting the machine serviced. Which stage of the hardware lifecycle does this scenario belong to?1 pointProcurementRetirementMaintenanceDeployment8.Question 8A machine has to be returned to the vendor for proper recycling. Which stage of the hardware lifecycle does this scenario belong to?1 pointProcurementDeploymentMaintenanceRetirement9.Question 9 An IT department uses a pre-used laptop out of their hardware inventory for a new user. Which stage of the hardware lifecycle does this scenario belong to?1 pointProcurementMaintenanceDeploymentRetirement10.Question 10An employee is starting at the company. Which of these steps are appropriate to take during onboarding? (Choose all that apply)1 pointAsk the employee to provide a personal laptopCollect the user’s logon informationInstall software the user needs on their machineProviding instructions on how to log into their new machine, get email etc.

Which of the following internet service types would most likely be utilized by a large data center?Group of answer choicesFiberCableSatelliteDSL

1.Question 1Which of the following is a geographic area or location where a Cloud provider’s infrastructure is clustered?1 pointData centerNetworkingWarehouse Region2.Question 2Which of the following VMs use hosted hypervisors? 1 pointVMware ESX Oracle VirtualBoxMicrosoft Hyper-VOpen-source KVM3.Question 3Which type of Virtual Machine (VM) takes advantage of unused capacity in data centers at a much lower cost than regular VMs of similar sizes?1 pointTransient or Spot VMsShared or Public Cloud VMs Reserved virtual serversDedicated hosts4.Question 4Why do bare metal servers take longer to provision than virtual servers?1 pointThey are physical servers that can be customized to a specified capacityGPU configuration takes timeThey are multi-tenant servers, and all tenants must help configure themCustomer configures the physical servers5.Question 5Which part of a logically segmented cloud network is the main area where security is implemented? 1 pointLogical instances of networking elementsLoad balancersNetworking spacesSubnets6.Question 6Which is a container?1 pointA piece of software that pulls resources from the physical server and allocates them to your virtual environmentA type of virtual machine that is provider-managed, multi-tenant, and can be provisioned on-demand with predefined sizesA physical server dedicated to a single customerAn executable unit of software in which application code is packaged along with its libraries and dependencies, allowing it to be run anywhere

1.Question 1To connect an entire city, the most effective network type would be a local area network (LAN).1 pointTrueFalse2.Question 2A security professional wants to ensure information is being broadcast to every computer on their organization’s network. What device should they investigate?1 pointHubRouterInternet Modem3.Question 3What are some benefits of switches? Select all that apply.1 pointThey control the flow of traffic.They only pass data to the intended destination.They automatically install device-protection software.They can improve network performance.4.Question 4Fill in the blank: The practice of using servers, applications, and network services that are hosted on the internet is called _____ computing. 1 pointwebsiteconnectedclouduploadable

1.Question 1Which of these is an advantage of using Infrastructure as a Service (or IaaS) solutions?1 pointIt centralizes the organization’s users and computers in one location, and the organization can add, update, or remove users and computers.It provides the resources users need without maintaining any actual hardware.The user can keep files on a local network.It lets users access software online without having to install it on individual systems.2.Question 2Which of the following are cons that come from using a Cloud Service? Select all that apply.1 pointThe need to depend on a provider for serviceRecurring costA simplified user interfaceHaving to purchase expensive networking hardware3.Question 3Which of the following is a benefit of virtualization compared to using dedicated hardware? 1 pointUser experienceSecurityMaintenancePerformance4.Question 4The boss at your company wants a way to block certain websites from employees. As the sole IT professional at the company, what can you set up to help with this request?1 pointFTPAn IntranetDNSA Proxy server5.Question 5Which of the following is a simple transfer protocol often used to host installation files?1 pointTFTPDHCPSFTPFTP6.Question 6Which of the following file transfer protocols is the most secure?1 pointNTPSFTP FTPTFTP7.Question 7You want to access the CLI (command line interface) of a Linux terminal at work from your Apple laptop at home. You have the proper client installed on your laptop. What needs to be installed on the remote Linux machine?1 pointRDPOpenSSHPuTTYWinRM8.Question 8When you make a DNS query, where does your computer first check to find an IP address to name mapping?1 pointTop-level domainsISP DNS serversYour local machineRoot servers9.Question 9What does DHCP do?1 pointDHCP assigns IP addresses to computers on a network.DHCP maps domain names to IP addresses.DHCP keeps the clock synchronized on machines connected to a network.DHCP sets up an authoritative DNS server a network.10.Question 10A network technician sets up an internal DNS server for a local network. When the technician types in a URL, which is checked first?1 pointThe local host fileExternal ISP DNS serversExternal public DNS serversLocal DNS servers

1.Question 1In which cloud service model does the service provider manage the application data along with the infrastructure and platform resources?1 pointSaaSCaaSPaaSIaaS2.Question 2In which IaaS cloud environment can the customers deploy their middleware and install applications?1 pointBlockchainVirtual MachinesIoTAI3.Question 3What is one of the concerns in cloud infrastructure configuration and management?1 pointDependency on a third party for workload availability and performanceScaling infrastructure up and down as demand fluctuatesBusiness continuity and disaster recoverySolving complex problems involving millions of variables and calculations4.Question 4What is the responsibility of a user in the PaaS model?1 pointWorkload management Database management systemsApplication code and its maintenanceBusiness process management systems5.Question 5Which capability in the PaaS model eliminates the need for the integration of disparate components?1 pointRapid deployment mechanismsRuntime environmentAPIs for servicesBusiness analytics services6.Question 6Which is a characteristic of the SaaS model?1 pointApplications reside on a remote cloud networkUsers can see only their own applicationInfrastructure and code are maintained by the usersServices are free for the users on the SaaS cloud7.Question 7What is the users’ role in a public cloud? 1 pointUsers maintain the platform that runs their applicationUsers own the storage their data consumesUsers don’t own the servers their applications run onUsers can manage the operations of the servers8.Question 8What is a feature of a private cloud? 1 pointUse of external computing resourcesLimited securityApplication portabilityUncontrolled access9.Question 9If an organization needs to run a highly sensitive and mission-critical application with unpredictable performance and capacity requirements, which of the following models would best meet its requirements? 1 pointOn-premise Data CentersHybrid CloudPrivate CloudPublic Cloud10.Question 10What do you mean by “cloud bursting”? 1 pointYou can leverage public cloud instances for a period of time but return to the private cloud when the surge is metYou can spin-up environments using pay-as-you-go in the public cloudYou can move applications and data between on-premises and cloud systemsYou can incrementally modernize your core business systems