System Administration and IT Infrastructure Services. Week 1: What is System Administration?

Which might have an IT infrastructure run by a single person?

Hometown Independent Computer Company, LLC; In smaller companies, it's usually a single person who manages an entire company's IT infrastructure.

Which is not a component of a KVM switch? monitor mouse keyboard printer

Printer; Printing services are compatible with but irrelevant to KVM switches!

Which of these is considered a server? Check all that apply.

a computer that provides a service to other computers; Servers are essentially software or computers that provide a service to other software or computers. a software that provides a service to other software software that provides a service to other machines

Which of the following is a good policy to enforce on passwords? Check all that apply.

a long password length; Passwords are one of the first and biggest security policies that help prevent unauthorized access. A good policy for passwords is to make them long and with a mixture of symbols, numbers, uppercase, and lowercase characters. a mixture of symbols and numbers

As sysadmin, you will have to prioritize issues. Which of these issues would be a top priority?

a server stopped providing service to 100 users.

Which of the following can be a responsibility of a systems administrator? setting up new user accounts and machines maintaining servers troubleshooting user issues all of the above

all of the above; A systems administrator has a wide range of responsibilities; this can include, but is not limited to, setting up new user accounts and machines; maintaining servers; and troubleshooting user issues.

Which of these are common responsibilities of systems administrators? constantly troubleshoot problems, such as network issues all of the above work in the background to make sure a company's IT infrastructure is always working help users with issues, such as lost passwords and logon problems

all of the above; Employees need computers along with proper software to be productive! Fun fact: up to 25% of people forget their password at least once a day!

Which of the following make up IT infrastructure? hardware and software network operating systems all of the above

all of the above; IT infrastructure encompasses the software, hardware, network, operating systems, and other services required for an organization to operate in an enterprise IT environment.

What are the benefits of local computing over cloud computing? Check all that apply.

updates can be handled at anytime; With local computing, you're in complete control of your IT infrastructure and can update and secure your organization at anytime. you have complete control of the IT infrastructure

With _______, you can access your data, use applications, and more from anywhere in the world, as long as you have an Internet connection.

cloud computing; The cloud is a network of servers that store and process our data. We refer to the concept of cloud computing as a way to do our daily computer job functions from anywhere, as long as we have an Internet connection.

Which of these terms describe a facility that stores hundreds, if not thousands, of servers?

data center; Companies with large amounts of data have to keep their information stored in places like data centers. A data center is a facility that stores hundreds, if not thousands, of servers.

The IT department sets up a user account and software. Which stage of the hardware lifecycle does this situation belong to?

deployment; The deployment stage of the hardware lifecycle usually occurs when a machine is first set up, like in this example.

As a sysadmin, you will find yourself doing business with a variety of third-party vendors. Which of these are likely to be rented or bought from a vendor? Check all that apply.

printers; Sysadmins might be responsible for making sure printers are working, or if renting a commercial printer, they have to make sure that the vendor can be on-site to fix it. fax machines video or audio conferencing machines

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?

procurement; The procurement stage of the hardware lifecycle can include situations where pre-used machines are reused for a new user.

A company has a "bring your own device" (BYOD) policy for computers; anyone can just go out and buy whatever computer they want. Which stage of the hardware lifecycle does this scenario belong to?

procurement; When an employee obtains access to hardware, this falls into the procurement stage of the hardware lifecycle.

Which of these server hardware can you stack on top of each other in a server rack?

rack; A rack and a blade server lay flat and can be stacked on top of each other when you mount them on a server rack. blade

Which of these is part of the hardware lifecycle? Check all that apply

retirement procurement deployment; The hardware lifecycle consists of four main stages: Procurement, Deployment, Maintenance, and Retirement.

The machine has to be returned to the vendor for proper recycling. Which stage of the hardware lifecycle does this scenario belong to?

retirement; The retirement stage of the hardware cycle can include situations where a vendor recycles the machines.

What are the benefits of cloud computing over local computing? Check all that apply. services are accessible from anywhere in the world there are potential long-term costs associated with cloud computing there are smaller starting costs for cloud computing software updates are handled by the company providing the service

services are accessible from anywhere in the world; Cloud computing has some great benefits, like smaller starting costs, services that are accessible anywhere in the world with an Internet connection, and software updates that are handled by another company. there are smaller starting costs for cloud computing You didn't select all the correct answers!

A KVM switch is used to:

switch between multiple computers using one monitor, keyboard, and mouse; A KVM switch is a device used to switch between multiple computers using one keyboard and video display, like a monitor and mouse. That's where the name "KVM" comes from!

Which type of server most closely resembles a desktop computer in appearance?

tower server; Server hardware can come in lots of different forms: they can be towers that sit upright and look very similar to the desktops we've seen

An employee is leaving your company. Which of these steps are appropriate to take during offboarding? Check all that apply.

wipe the machine for future use; If a user leaves the company, you'll also have to wipe the machine, so that you can eventually reallocate it to someone else. remove the user's access to IT resources