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IT0021
SA1
| Question | Answer |
|---|---|
| ________ validate users' passwords - | Production Authentication Servers |
| KVM | keyboard, video, mouse |
| SysAdmins does not work with vendors or | FALSE(1) |
| Communication Authentication Servers validate users' passwords | FALSE(2) |
| ______ can provide a broad range of hardware, software and services - | Vendors |
| As a SysAdmin, you think through what you're doing and don't rush. | TRUE(1) |
| Always do Reproduction case in your test instance, never in production - | TRUE(2) |
| __________ is the stage where hardware is purchased or re-used for any employee. - | Procurement |
| Canary Testing is a way to reduce risk and validate new software by releasing software to a small percentage of users | TRUE(3) |
| The more you can do with your administrator rights, you can mess up | TRUE(4) |
| The more users your service reaches, the less you'll want to ensure that changes aren't disruptive | FALSE(3) |
| Software as a Service are services that you can purchase that allow you to edit word documents, process spreadsheets, make presentations and more, all from a web browser | TRUE(5) |
| _________ includes an entire platform that allows you to build code, store information in a database, and serve your application from a single platform | Platform as a Service (also True) |
| _______ maps human understandable names to IP addresses | DNS |
| Server operating systems are optimized for server functionality | TRUE(6) |
| Not all computer can be a server | FALSE(4) |
| DNS leases IP addresses to clients | FALSE (DHCP) |
| Platforms as a Service are services that you can purchase that allow you to edit word doc | FALSE(5) |
| Internal network inside a company | Intranet |
| In larger companies, teams assists admins might manage just one service | TRUE(7) |
| TFTP does require user authentication - | False (it doesn’t require) |
| Considered a network service | DNS, Blade Server, Wireless Internet |
| As a SysAdmin, you have think before you type | TRUE(8) |
| Live Network is the part of the infrastructure where certain services are executed and serve its users | FALSE(6) |
| Documentation lists company's policies, routine procedures, and more | TRUE(9) |
| _____ which lay flat and are usually mounted in a 90" wide server rack | Rack Server |
| A _______ is essentially software or a machine that provides services to other software or machines | server |
| Tower servers are built in an upright cabinet that stands alone | TRUE(10) |
| _________ are the service that deliver the website content to the users | Production server |
| Reverting to the previous state is called a flashback | False (rollback) |
| You may do Reproduction case in your production | FALSE(7) |
| A _______ is a physical facility that enterprises use to house their business- critical applications and information | data center |
| Assumptions lists company's policies, routine procedures, and more | FALSE(8) |
| As a SysAdmin, you don't have to respect the privacy of others | FALSE(9) |
| It is advisable to use administrator rights for tasks that don't require them | FALSE(10) |
| SysAdmins ensure that the hardware they are provisioning or setting up for users is standardized | TRUE(11) |
| _____ allows you to boot into a software that's available over the network - | Preboot Execution (also True) |
| Infrastructure as a Service gives a pre-configured virtual machines that you can use just as if you had a physical server | TRUE(12) |
| Networking as a Service gives a pre-configured virtual machines that you can use just as if you had a physical server | FALSE(11) |
| Directory as a Service centralizes your organizations users and computers in one location so that you can add, update, and remove users and computers | Directory as a Service |
| Software as a Service allows companies to offshore their networking services so that they don't have to deal with the expensive networking hardware | FALSE(12) |
| It's more expensive to run several services on one machine than it is to run many services on multiple machines | FALSE(13) |
| Maintenance is the stage where software is updated and hardware issues are fixed if and when they occur | Maintenance |
| Retirement is where hardware becomes unusable or no longer needed and it needs to be properly removed from the fleet. - | TRUE(13) |
| Production servers are the service that deliver the website content to the users - | TRUE(14) |
| Tower server is a stripped-down server computer with a modular design optimized to minimize the use of physical space and energy | FALSE(14) |
| Organizational Policies are general statements of how an organization want to behave and procedures define exactly how to do a task or perform step by step - | TRUE(15) |
| What are the benefits of cloud computing over local computing? Check all that apply. | Software updates are handled by the company providing the service Services are accessible from anywhere in the world |
| is a way to reduce risk and validate new software by releasing software to a small percentage of user | Canary testing |
| Are built in an upright cabinet that stands alone | Tower server |
| A server can provide services to multiple clients at once and the server can use multiple servers | TRUE(16) |
| Removing users from an IT infrastructure if users leave the company is part of user provisioning | TRUE(17) |
| NTP is used to keep the clock synchronized on machines connected to a network | TRUE(18) |
| Directory as a Service includes an entire platform that allows you to build code, store information in a database, and serve your application from a single platform | FALSE(15) |
| is the process of creating a software-based, representation of something, such as virtual applications, servers, storage and networks - | Virtualization |
| DHCP maps human understandable names to IP addresses | FALSE(16) |
| It's cheaper to run several services on one machine than it is to run many services on multiple machines - | TRUE(19) |
| When you imitate a server, you're putting lots of virtual instances on one server. Each instance contains a service | FALSE(17) |
| Which of these is considered a software service? Check all that apply. | Chat applications Word processors Email applications |
| File Transfer Protocol is a legacy way to transfer files from one computer to another over the Internet | TRUE(20) |
| FTP doesn't handle data encryption | TRUE(21) |
| is where users can request help on an issue and then you can track your troubleshooting work | Ordering system |
| is a virtual machine running the same configuration as a production | Test environment |
| Ticketing or bug system is where users can request help on an issue and then you can track your troubleshooting work | TRUE(22) |
| Communication servers are the service that deliver the website content to the users - | FALSE(18) |
| SysAdmins is not responsible in ensuring a user is able to log in and that the computer has the necessary software that a user needs to be productive - | FALSE(19) |
| Postboot Execution allows you to boot into a software that's available over the network - | FALSE(20) |
| TFTP is used to host installation files | TRUE(23) |
| In ______, data is sent through SSH and is encrypted | SFTP |
| allows companies to offshore their networking services so that they don't have to deal with the expensive networking hardware | Software as a Service |
| Clients request the services from a server | TRUE(24) |
| Industry Standard Servers are typically running 24/7 | TRUE(25) |
| Which of these is considered a server? Check all that apply. | A computer that provides a service to other computers, Software that provides a service to other machines A software that provides a service to other software |
| A KVM switch is used to | switch between multiple computers using one monitor, keyboard, and mouse |
| Production is the part of the infrastructure where certain services are executed and serve its users | TRUE(26) |
| A KVM Switch looks like a hub that you can connect multiple computers to and control them using one keyboard, mouse and monitor. | TRUE(27) |
| _______ is a legacy way to transfer files from one computer to another over the Internet | FTP |
| Cost is not a drawback of Cloud Computing | FALSE(21) |
| Maintenance is where hardware is set up so that the employee can do their job | FALSE(It's Maintenance) |
| Documenting what you did is crucial when using administrator rights. | TRUE(28) |
| Routine Maintenance constantly provide updates and maintenance so that they run the latest secure software | TRUE(29) |
| The key to safely making changes is to always run them through a test environment first. | TRUE(30) |
| A server is essentially software or a machine that provides services to other software or machines. | TRUE(31) |
| Which of the following is considered a physical infrastructure service? Check all that apply. | Desktop, Laptop & Rack server |
| I.T. infrastructure services are what allows an organization to function. | TRUE(32) |
| Networking as a Service allows companies to offshore their networking services so that they don't have to deal with the expensive networking hardware | TRUE(33) |
| Cloud computing is the delivery of different services through the Internet. These resources include tools and applications like data storage, servers, databases, networking, and software | TRUE(34) |
| Routine Management constantly provide updates and maintenance so that they run the latest secure software. | FALSES (Routine Maintenance) |
| SysAdmins constantly have to troubleshoot problems and find solutions for your IT needs | TRUE(35) |
| Which of the following make up IT infrastructure? | All of the above |
| The more users your service reaches, the more you'll want to ensure that changes aren't disruptive | TRUE(36) |
| _______ are general statements of how an organization want to behave and procedures define exactly how to do a task or perform step by step | Organizational Policies |
| SysAdmins are responsible for managing users and hardware - | FALSE(22) |
| Server operating systems are usually more secure and come with additional services already built in | TRUE(37) |
| With virtualized service, you can quickly stop your service or migrate them to another physical server | TRUE(38) |
| Database Administrators work in the background to make sure a company's IT infrastructure is always working, constantly fighting to prevent IT disasters from happening | TRUE(39) |
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