Podcast
Questions and Answers
What are the drawbacks of using cloud services?
What are the drawbacks of using cloud services?
- Convenience
- Cost (correct)
- Time (correct)
- Dependency (correct)
Which stage of the hardware lifecycle involves setting a computer's hostname and username?
Which stage of the hardware lifecycle involves setting a computer's hostname and username?
- Maintenance
- Retirement
- Procurement
- Deployment (correct)
What are the responsibilities of a systems administrator?
What are the responsibilities of a systems administrator?
- Setting up new user accounts and machines (correct)
- Performing regular database backups
- Maintaining servers (correct)
- Troubleshooting user issues (correct)
Which steps are appropriate to take during the offboarding of an employee?
Which steps are appropriate to take during the offboarding of an employee?
A script that sets up user accounts is part of which stage of the hardware lifecycle?
A script that sets up user accounts is part of which stage of the hardware lifecycle?
Which considerations are likely when developing a computer policy?
Which considerations are likely when developing a computer policy?
The IT department sets up a user account and installs software during which stage of the hardware lifecycle?
The IT department sets up a user account and installs software during which stage of the hardware lifecycle?
Who is responsible for maintaining a database system and ensuring data integrity?
Who is responsible for maintaining a database system and ensuring data integrity?
If a laptop is replaced due to a hardware issue, which stage of the hardware lifecycle does this belong to?
If a laptop is replaced due to a hardware issue, which stage of the hardware lifecycle does this belong to?
Which scenario describes the retirement stage of the hardware lifecycle?
Which scenario describes the retirement stage of the hardware lifecycle?
Which of these items is not typically a component of a KVM switch?
Which of these items is not typically a component of a KVM switch?
Which type of server most closely resembles a desktop computer?
Which type of server most closely resembles a desktop computer?
What aspect of a sysadmin's role can vary based on the organization's size?
What aspect of a sysadmin's role can vary based on the organization's size?
What is true about local computing compared to cloud computing?
What is true about local computing compared to cloud computing?
Which option describes what a data center is?
Which option describes what a data center is?
In smaller IT departments, who is typically responsible for establishing computer and network policies?
In smaller IT departments, who is typically responsible for establishing computer and network policies?
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Study Notes
Hardware Lifecycle Stages
- Procurement: Acquiring new hardware
- Deployment: Installing and configuring hardware
- Maintenance: Regularly checking, fixing, and updating hardware
- Retirement: Disposing of old or unusable hardware
IT Infrastructure
- IT infrastructure is essential for any organization
- Without it, employees cannot work and the company cannot function
IT Roles
- Sysadmin: Manages and maintains computer systems and networks
- DBA: Manages database systems
- Network Administrator: Manages network infrastructure
- Security Administrator: Manages security systems
- Web Administrator: Manages web servers and websites
Server Types
- Tower: A server that looks like a desktop computer
- Rack: A server designed to be mounted in a rack
- Blade: A thin, high-performance server housed in a chassis
- Desktop: A server designed to be used on a desk
- Email Server: A server that sends and receives emails
- Web Server: A server that hosts websites
Computing Types
- Local Computing: All data and processing occurs within a company's premises
- Cloud Computing: Data and processing are managed remotely by third-party providers
Benefits of Local Computing
- Complete control: Organizations have full control over their infrastructure
- Potential cost savings: Long-term costs may be lower than cloud solutions
Drawbacks of Local Computing
- Potentially higher initial costs: Building and maintaining infrastructure can be expensive
- Limited accessibility: Access to resources is restricted to the location of the infrastructure
Benefits of Cloud Computing
- Scalability: Easily adjust resources based on need
- Accessibility: Services are available from anywhere with an internet connection
- Cost-effectiveness: Lower starting costs and potentially lower ongoing costs
- Software updates: Updates are handled by the cloud provider
Drawbacks of Cloud Computing
- Security concerns: Data is stored off-premises
- Dependency: Organizations rely on third-party providers
- Potential cost increases: Long-term costs may exceed local computing
KVM Switch
- A device that allows a single keyboard, mouse, and monitor to be connected to multiple computers
Computer Policies
- Establish rules for computer use in the workplace
- Examples:
- Allowing or disallowing users to access non-work-related websites
- Allowing or disallowing users to install software
- Setting password requirements
Offboarding Employees
- Remove access to IT resources
- Wipe the employee's device
- Ensure all company data is removed
IT Infrastructure Lifecycle Stages
- Deployment:
- Setting up user accounts
- Installing software
- Maintenance:
- Replacing hardware with existing inventory
- Retirement:
- Eco-recycling broken computers
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