System Administration and IT Infrastructure Services
What is System Administration?
1.
Question 1
Which company might have an IT infrastructure run by a single person?
1 / 1 point
Apple
A local small business
Correct
2.
Question 2
Which of the following are potential responsibilities of a sysadmin? (Choose all that apply)
1 / 1 point
Payroll administration
Database administration
Technical support
Network administration
3.
Question 3
Which type of server most closely resembles a desktop computer in appearance?
1 / 1 point
Tower server
Rack server
Blade server
DNS server
4.
Question 4
What is a machine that uses services provided by a server called?
1 / 1 point
KVM switch
VPN (Virtual Private Network)
Managed hub
Client
5.
Question 5
What are some disadvantages of cloud computing? (Choose all that apply)
1 / 1 point
It could potentially cost more
Not having to manage server hardware
Becoming dependent on the cloud provider
Use less local storage space
6.
Question 6
In addition to setting up services, what other tasks does a sysadmin have to keep in mind? (Choose all that apply)
1 / 1 point
Routine updates
Security patches
Keep a record of user passwords
Maintaining compatibility
7.
Question 7
A machine is having issues, so the user is getting the machine serviced. Which stage of the hardware lifecycle does this scenario belong to?
1 / 1 point
Deployment
Retirement
Maintenance
Procurement
8.
Question 8
When a machine is having issues, an IT Support Specialist has to file an RMA, or Return Merchandise Authorization form, with the vendor of the machine. Which stage of the hardware lifecycle does this scenario belong to?
1 / 1 point
Retirement
Deployment
Maintenance
Procurement
9.
Question 9
The IT department sets up a user account and software. Which stage of the hardware lifecycle does this situation belong to?
1 / 1 point
Deployment
Procurement
Maintenance
Retirement
10.
Question 10
Which of the following is not one of the main stages of the hardware lifecycle?
1 / 1 point
Procurement
Deployment
Maintenance
Recycling
Network Services
1.
Question 1
Which of these is an advantage of using Infrastructure as a Service (or IaaS) solutions?
1 / 1 point
It centralizes the organization’s users and computers in one location, and the organization can add, update, or remove users and computers.
The user can keep files on a local network.
It provides the resources users need without maintaining any actual hardware.
It lets users access software online without having to install it on individual systems.
2.
Question 2
You are the sole IT professional at your company and you need to know how many users or computers are in your organization. Which of the following services helps manage users in your company?
1 / 1 point
Platform services
Directory services
Physical infrastructure services
Network services
3.
Question 3
Which of the following is a potential negative (con) of virtualization compared to using dedicated hardware?
1 / 1 point
Cost
Performance
Points of failure
Maintenance
4.
Question 4
Which of the following are typically included with server operating systems to help optimize server functionality? Select all that apply.
1 / 1 point
Allow more network connections
A simplified user interface
Added security
More RAM capacity
5.
Question 5
As an IT systems administrator, what can you set up to make sure that your client machines and server times are in sync?
1 / 1 point
A proxy
NTP
An intranet
A: FTP
6.
Question 6
If we want to access files located in a directory on a remote server, which of the following options should we use?
1 / 1 point
DNS server
VNC client
NTP server
FTP client
7.
Question 7
Which one of the following options allows you to access a system remotely?
1 / 1 point
Server
SSH
D: FTP
NTP
8.
Question 8
When you make a DNS query, where does your computer first check to find an IP address to name mapping?
1 / 1 point
Top-level domains
Your local machine
ISP DNS servers
Root servers
9.
Question 9
If you want to integrate your DHCP server with DNS, which of the following information will you need to configure DHCP? Select all that apply.
0.25 / 1 point
The Gateway you should assign
A domain name
The address of your local DNS servers
The subnet mask that gets used
10.
Question 10
A network technician sets up an internal DNS server for a local network. When the technician types in a URL, which is checked first?
0 / 1 point
Local DNS servers
The local host file
External ISP DNS servers
External public DNS servers
Software and Platform Services
1.
Question 1
Which of the following are popular paid-for options for setting up IM services for your organization? Select all that apply.
1 / 1 point
IMAP
XMPP
HipChat
Slack
2.
Question 2
What type of DNS record is used for email servers?
1 / 1 point
MX
AAAA
A
CNAME
3.
Question 3
When installing software for your organization, who/what determines who can use the software and how to use, share, or modify the software?
0 / 1 point
Company policy
An IT support specialist
International law
A developer’s license agreement
4.
Question 4
Which of the following security protocols is used to format and transfer web content.
1 / 1 point
*C: Hypertext Transfer Protocol Secure (HTTPS)
The SMB protocol (Samba)
The Transport Layer Security protocol (TLS)
The Secure Socket Layer protocol (SSL)
5.
Question 5
Which of the following activities can users do on a properly configured file storage server?
1 / 1 point
Grant a digital certificate of trust
Share files
Modify shared files
Access a shared directory
6.
Question 6
You’re the sole IT employee at your company. Most of the computers in your fleet are Windows machines. Your boss wants you to set up a network file storage. What file service should you use?
1 / 1 point
Samba services
An HTTP server
An NFS server
A Database server
7.
Question 7
Which printing language is device-dependent?
1 / 1 point
*A: PCL
PS
B: Python
Ruby
8.
Question 8
When browsing a website, what is a quick way to know that the site is secure?
1 / 1 point
The website has a banner that says it’s secure
The URL begins with http
The URL begins with tls
The URL begins with https
9.
Question 9
Where does customer information, such as news articles, videos, large amounts of text, images, or audio files, generally get stored for web services?
1 / 1 point
On the local machine only
On a database
On a web server
On a file transfer protocol (FTP) server
10.
Question 10
HTTP status codes are codes or numbers that indicate some sort of error or info message that occurred when trying to access a web resource. When an HTTP request is successful, what number does the HTTP status code start with?
1 / 1 point
6xx
4xx
2xx
Directory Services
1.
Question 1
Directory services store information in a hierarchical structure. Which statements about Organizational Units (OUs) of a directory service hierarchy are true? (Choose all that apply)
0.5 / 1 point
Changes can be made to one sub-OU without affecting other sub-OUs within the same parent.
Specific files within an OU, or container, are called “objects”.
Parent OUs inherit characteristics of their sub-members.
Sub-member OUs inherit the characteristics of their parent OU.
You didn’t select all the correct answers
2.
Question 2
Which directory service software would be used exclusively on a Windows network?
1 / 1 point
Active Directory
OpenLDAP
DSP
DISP
3.
Question 3
Which of these are advantages of centralized management using directory services? (Choose all that apply)
1 / 1 point
Role-Based Access Control (RBAC) can organize user groups centrally.
Access and authorization are managed in one place.
Configuration can take place on each device.
Configuration management is centralized.
4.
Question 4
A Lightweight Directory Access Protocol (LDAP) entry reads as follows: dn: CN=John Smith ,OU=Sysadmin,DC=jsmith,DC=com. \n. What is the organizational unit of this entry?
1 / 1 point
CN=John Smith ,OU=Sysadmin,DC=jsmith,DC=com
John Smith
Sysadmin
jsmith
5.
Question 5
When logging into a website that uses a directory service, what command authenticates your username and password?
1 / 1 point
Remove
Bind
Add
Modify
Correct
6.
Question 6
In active directory, what is the top most level in the hierarchy?
1 / 1 point
Forest
ADAC
Top
Domain
7.
Question 7
If a system administrator needs to give access to a resource to everyone in a domain, what group in Active Directory can they use?
1 / 1 point
All Users
Domain Users
Resource Users
Enterprise Admins
8.
Question 8
Which of these statements are true about managing through Active Directory? (Choose all that apply)
0.75 / 1 point
The default group’s Domain Users and Domain Admins are security groups.
Distribution groups can be used to assign permission to resources.
Domain Local, Global, and Universal are examples of group scopes.
ADAC uses PowerShell.
9.
Question 9
What is the difference between a group policy and a group policy preference?
1 / 1 point
Preferences are reapplied every 90 minutes, and policies are more of a settings template.
A policy is editable only by admins, but anyone can edit a group policy preference.
Policies are reapplied every 90 minutes, and preferences are a settings template that the user can change on the computer.
A preference is editable only by admins, but anyone can edit a policy.
10.
Question 10
A client discovers the address of a domain controller by making a DNS query for which record?
1 / 1 point
TXT record
A record
AAAA record
SRV record
Data Recovery & Backups
1.
Question 1
Which of the following is a critical part of data recovery?
1 / 1 point
Stocking replacement drives
Effectively backing up data
Port forwarding
Creating power redundancies
2.
Question 2
A data backup strategy needs to prioritize important data and only back up what is necessary for operations. Assuming storage limitations, which of these is LEAST important to back up?
1 / 1 point
Financial spreadsheets
User downloads
Databases
Emails
3.
Question 3
What is the standard medium for long-term archival backup data storage?
1 / 1 point
Floppy disks
Optical disks
USB drives
Magnetic tapes
4.
Question 4
Common concerns with backups are disk failure, lack of redundancy, and increasing disk capacity. Which backup method addresses these concerns?
1 / 1 point
Differential backups
Incremental backup
RAID array
Complete backup
5.
Question 5
Which backup type only backs up files that have changed since the last run?
0 / 1 point
Differential backup
Full backup
Partial backup
Incremental backup
6.
Question 6
Which of the following are popular cloud storage platforms? Select all that apply.
1 / 1 point
Dropbox
Rsync
Google Drive
Apple iCloud
7.
Question 7
What are the goals of a disaster recovery plan? Select all that apply.
0.75 / 1 point
To predict disasters before they happen
To prevent disasters from impacting operations
To prevent significant data loss
To keep system downtimes to a minimum
8.
Question 8
You are performing a network risk assessment to develop your disaster recovery plan. Which of these are examples of corrective or recovery measures? Select all that apply.
0.75 / 1 point
Rebuilding and reconfiguring services
Redundancy solutions
Restoring data from backup
Hardware repair and replacement
9.
Question 9
When are post-mortem reports usually created? Select all that apply.
1 / 1 point
When something goes wrong
At the end of a project
To punish mistakes
When finance asks IT to justify the cost of its preventative systems
10.
Question 10
Which of the following are components of a post-mortem report? Select all that apply.
1 / 1 point
A brief summary
An explanation of resolution and recovery efforts
All log data
A detailed timeline of key events
