CompTia Cloud+ Study Guide, Exams of Computer Science

Download CompTia Cloud+ Study Guide and more Exams Computer Science in PDF only on Docsity! CompTia Cloud+ Study Guide Cloud Computing - ✔ Outsourcing data center operations, applications, or a section of operations to a provider of computing resources. Public Cloud - ✔ What is the most common delivery model deployed? Private Cloud - ✔ What type of cloud is thought to be as the traditional corporate data center with a new name applied to it to keep up with modern times, and it is for the exclusive use of a single organization but may be used by many unites or entities inside a company? Community - ✔ What type of cloud is offered for a specific community of interest and shared by companies with similar requirements for regulatory compliance, security, or policy? Network Latency - ✔ The Chief Information Officer of a company would like to close one of the company's four datacenters. The CIO has asked the administrator to perform tests to determine if the servers can be migrated to a public cloud located in another region. Which of the following tests should the administrator perform specific to the location change, to determine if user experience will be impacted? Adding memory to a host - ✔ An example of vertical scaling Trusted - ✔ Which of the following describes federated access control? Too many virtual machines on a single host - ✔ High CPU wait times can often be attributed to: The virtual NIC is not bridged - ✔ An administrator deployed a VM from a template which has the firewall disabled. The server IP address is manually assigned. The administrator cannot ping the server by IP address or DNS hostname and has logged in from the hypervisor management console to verify the TCP/IP settings are correct. Which of the following is MOST likely the cause of the issue? Converged Infrastructure - ✔ Which of the following describes the combination of a disk, computer, and a network into a pool of resources to efficiently allocate resources? IQN - ✔ A storage administrator has created five new LUNs for a company's virtual cluster. The company uses iSCSI to connect to storage. Which of the following is needed to present the newly created LUNs on the virtual cluster? NPIV (N_Port ID Virtualization) - ✔ Which of the following can an administrator implement to achieve boot on SAN? Regional disruptions - ✔ Geo-clustering protects against which of the following? online VM migrations - ✔ Hardware compatibility among multiple hosts guarantees which of the following? Pay-as-you-grow - ✔ Elasticity is closely related to which of the following cloud characteristics? File system snapshot - ✔ Which of the following backup types will enable scheduled point-in-time recovery of data and is accessible to end-users? Over allocation of host resources - ✔ A company has a virtualized environment. Hosts are configured to dynamically assign resources from the resource pool as required. Ann, an administrator is remotely connected to a host and is adding ten more guests. She suddenly looses connection to the hose and fails to reconnect. Ann now finds that the server no longer responds when pinged. Which of the following BEST describes the issue? Chargeback - ✔ An administrator has implemented a self-service provisioning portal in the company and has associated a cost to CPU, memory, storage, and OS type. Which of the following cloud computing options has been configured? NPIV (N_Port ID Virtualization) - ✔ A company just received a shipment of brand new blade servers and an administrator has been tasked with virtualizing the blade fabric switches. Which of the following would be used to accomplish this? Window Management Instrumentation - ✔ Which of the following protocols could be used to identify the OS version installed on a server? Software as a Service (SaaS) - ✔ A cloud based global multiplayer game is an example of which of the following? Zoning - ✔ In a storage fabric, which of the following is the primary way to implement multipathing? A storage administrator needs to control which servers are able to access specific Logical Unit Numbers. - ✔ Which of the following BEST describes the need for Logical Unit Number Masking QA systems are missing patches - ✔ A programmer removes OS software from a laptop during development of a new prototype for the company. After the code is promoted from development to QA, none of the QA testers can get the application to work. Which of the following is MOST likely the cause of the application not working properly in QA? Type 1 - ✔ Which of the following hypervisors will allocate resources MORE efficiently? Patch system - ✔ Which of the following should an administrator perform to harden a VM that has been provisioned in a public cloud encironment before deploying the system? 16 - ✔ How many cores are available to the resource pool with a Type 1 hypervisor that has 4 quad core processors installed? The server has fewer resources than required - ✔ Users have been reporting slow response times on a database server. The adminsitrator noticed the server at any given time has between 30 to 50 users connected to various databases. Additional reserach shows disk metrics such as disk queuing and disk access rates are both around 10 to 15%. Which of the following can be the root cause of this slow performing server? IaaS (Infrastructure as a Service) - ✔ In which of the following cloud servers with the customer be responsible for securing provisioned hosts? Image backups - ✔ A web server is offline. Which of the following will allow the fastest possible recorvery of the web server? Private Cloud - ✔ Which of the following cloud delivery models is deployed over a company intranet or company-hostet datacenter? nslookup - ✔ Users on a network report that they are unable to access any external websites, however, they are able to access resources by IP address. Which of the following command line utilities would be used first in troubleshooting this problem? contact the vendor for compatibility requirements - ✔ An administrator is tasked to perform a P2V migration of a critical application. Which of the following steps should the administrator perform first before the migration? Type II hypervisor - ✔ Which of the following hypervisor types runs on a host operating system that provides virtualization services, including memory management and device support? access by any device through any network connection - ✔ Ubiquitous acces to cloud computing means Multipathing software - ✔ To avoid same LUN showing up multiple times in client hosts, and adminsitrator should implement Resource pooling - ✔ A web hosting company received reports of slow performance from four out of the five clients. Upon investigation, it was determined that a hosted virtual machine was using more RAM and CPU that the others. Which of the following most likely contributed to the issue. Virtual router - ✔ Which of the following networking components would be used to connect two subnets in a cirtual environment?