CompTIA A+ Core 2 (220-1102) Exam Cram
Summary Notes - Full Practice Exam 2026
Domain 1: Operating Systems
Which Windows Control Panel applet is used to configure a local user account password?
A) User Accounts
B) Credential Manager
C) Security and Maintenance
D) Administrative Tools
ANSWER: A
Rationale: A is correct as it manages local users and passwords. B stores saved network credentials. C
shows system health and action items. D contains advanced management tools.
What is the default port for HTTPS?
A) 80
B) 443
C) 25
D) 3389
ANSWER: B
Rationale: A is the default port for HTTP. B is the default port for HTTPS. C is the default port for SMTP. D
is the default port for RDP.
Which command displays the routing table in Windows?
A) ipconfig
B) route print
C) netstat
D) tracert
ANSWER: B
,Rationale: A shows IP configuration. B displays the current routing table. C shows active connections and
ports. D traces the route to a destination.
In Linux, which command changes file permissions?
A) chown
B) chmod
C) grep
D) ps
ANSWER: B
Rationale: A changes file ownership. B changes file permissions (read, write, execute). C searches for
text within files. D displays running processes.
Which Windows edition supports joining an Active Directory domain?
A) Home
B) Pro
C) Starter
D) RT
ANSWER: B
Rationale: A lacks domain join capabilities. B supports joining a domain. C and D are discontinued or
limited editions without domain support.
What is the purpose of the systeminfo command?
A) Check disk space
B) Display OS and hardware details
C) Manage services
D) Configure network
ANSWER: B
Rationale: A is done via dir or fsutil. B is the exact purpose of systeminfo. C is managed via services.msc.
D is configured via ncpa.cpl.
Which macOS feature is primarily used for backing up data?
A) File History
B) Time Machine
C) OneDrive
,D) iCloud Drive
ANSWER: B
Rationale: A is a Windows feature. B is the native macOS backup utility. C is a Microsoft cloud storage
service. D is Apple cloud storage, not a full system backup tool.
What is the command to map a network drive in Windows?
A) net use
B) net share
C) net view
D) net start
ANSWER: A
Rationale: A maps network drives. B shares local resources. C views available shares on a network. D
starts Windows services.
Which Windows tool is used to schedule tasks to run automatically?
A) Task Manager
B) Task Scheduler
C) Event Viewer
D) Component Services
ANSWER: B
Rationale: A manages running processes and performance. B schedules scripts or programs to run at
specific times. C views system logs. D manages COM+ applications.
In a Linux filesystem, what does the /etc directory typically contain?
A) User home directories
B) Configuration files
C) Executable binaries
D) Temporary files
ANSWER: B
Rationale: A is located in /home. B is stored in /etc. C are located in /bin or /usr/bin. D are stored in
/tmp.
Which Windows command clears the DNS resolver cache?
A) ipconfig /flushdns
, B) ipconfig /release
C) ipconfig /renew
D) ipconfig /all
ANSWER: A
Rationale: A clears the local DNS cache. B releases the current IP address. C requests a new IP address. D
displays full IP configuration.
What is the primary function of UAC (User Account Control) in Windows?
A) Encrypt files
B) Prevent unauthorized system changes
C) Manage user passwords
D) Update drivers
ANSWER: B
Rationale: A is handled by EFS or BitLocker. B is the core purpose of UAC, prompting for admin approval.
C is managed in User Accounts. D is handled by Windows Update.
Which protocol is used for secure remote command-line access in Linux?
A) Telnet
B) SSH
C) RDP
D) FTP
ANSWER: B
Rationale: A is an insecure CLI protocol. B is Secure Shell, used for encrypted CLI access. C is primarily for
Windows GUI remote access. D is for unencrypted file transfers.
What is the Windows command to check network connectivity and measure transit delays of packets?
A) ping
B) tracert
C) pathping
D) netstat
ANSWER: C
Rationale: A checks basic connectivity. B traces the route. C combines the features of ping and tracert,
providing detailed statistics on packet loss at each hop. D shows active connections.
Summary Notes - Full Practice Exam 2026
Domain 1: Operating Systems
Which Windows Control Panel applet is used to configure a local user account password?
A) User Accounts
B) Credential Manager
C) Security and Maintenance
D) Administrative Tools
ANSWER: A
Rationale: A is correct as it manages local users and passwords. B stores saved network credentials. C
shows system health and action items. D contains advanced management tools.
What is the default port for HTTPS?
A) 80
B) 443
C) 25
D) 3389
ANSWER: B
Rationale: A is the default port for HTTP. B is the default port for HTTPS. C is the default port for SMTP. D
is the default port for RDP.
Which command displays the routing table in Windows?
A) ipconfig
B) route print
C) netstat
D) tracert
ANSWER: B
,Rationale: A shows IP configuration. B displays the current routing table. C shows active connections and
ports. D traces the route to a destination.
In Linux, which command changes file permissions?
A) chown
B) chmod
C) grep
D) ps
ANSWER: B
Rationale: A changes file ownership. B changes file permissions (read, write, execute). C searches for
text within files. D displays running processes.
Which Windows edition supports joining an Active Directory domain?
A) Home
B) Pro
C) Starter
D) RT
ANSWER: B
Rationale: A lacks domain join capabilities. B supports joining a domain. C and D are discontinued or
limited editions without domain support.
What is the purpose of the systeminfo command?
A) Check disk space
B) Display OS and hardware details
C) Manage services
D) Configure network
ANSWER: B
Rationale: A is done via dir or fsutil. B is the exact purpose of systeminfo. C is managed via services.msc.
D is configured via ncpa.cpl.
Which macOS feature is primarily used for backing up data?
A) File History
B) Time Machine
C) OneDrive
,D) iCloud Drive
ANSWER: B
Rationale: A is a Windows feature. B is the native macOS backup utility. C is a Microsoft cloud storage
service. D is Apple cloud storage, not a full system backup tool.
What is the command to map a network drive in Windows?
A) net use
B) net share
C) net view
D) net start
ANSWER: A
Rationale: A maps network drives. B shares local resources. C views available shares on a network. D
starts Windows services.
Which Windows tool is used to schedule tasks to run automatically?
A) Task Manager
B) Task Scheduler
C) Event Viewer
D) Component Services
ANSWER: B
Rationale: A manages running processes and performance. B schedules scripts or programs to run at
specific times. C views system logs. D manages COM+ applications.
In a Linux filesystem, what does the /etc directory typically contain?
A) User home directories
B) Configuration files
C) Executable binaries
D) Temporary files
ANSWER: B
Rationale: A is located in /home. B is stored in /etc. C are located in /bin or /usr/bin. D are stored in
/tmp.
Which Windows command clears the DNS resolver cache?
A) ipconfig /flushdns
, B) ipconfig /release
C) ipconfig /renew
D) ipconfig /all
ANSWER: A
Rationale: A clears the local DNS cache. B releases the current IP address. C requests a new IP address. D
displays full IP configuration.
What is the primary function of UAC (User Account Control) in Windows?
A) Encrypt files
B) Prevent unauthorized system changes
C) Manage user passwords
D) Update drivers
ANSWER: B
Rationale: A is handled by EFS or BitLocker. B is the core purpose of UAC, prompting for admin approval.
C is managed in User Accounts. D is handled by Windows Update.
Which protocol is used for secure remote command-line access in Linux?
A) Telnet
B) SSH
C) RDP
D) FTP
ANSWER: B
Rationale: A is an insecure CLI protocol. B is Secure Shell, used for encrypted CLI access. C is primarily for
Windows GUI remote access. D is for unencrypted file transfers.
What is the Windows command to check network connectivity and measure transit delays of packets?
A) ping
B) tracert
C) pathping
D) netstat
ANSWER: C
Rationale: A checks basic connectivity. B traces the route. C combines the features of ping and tracert,
providing detailed statistics on packet loss at each hop. D shows active connections.
