System Administrator Knowledge Test
1. Which role in Windows Server manages user accounts and authentication?
DHCP Server
DNS Server
Active Directory Domain Services
File Server
2. What port does DNS typically use?
TCP 80
UDP 53
TCP 443
UDP 25
3. Which command shows the routing table on a Windows machine?
ipconfig
netstat -r
ping
tracert
4. What is the purpose of Remote Desktop Services (RDS)?
To manage printers remotely
To allow users to access desktops and apps remotely
To configure firewall rules
To monitor network traffic
5. Which protocol is used to assign IP addresses automatically?
DNS
DHCP
FTP
SNMP
6. What does the command
nslookup
do?
Lists open ports
Displays DNS resolution info
Shows IP configuration
Tests network speed
7. Which layer of the OSI model does a switch operate on?
Layer 1 - Physical
Layer 2 - Data Link
Layer 3 - Network
Layer 4 - Transport
8. What is the default gateway used for?
To assign IP addresses
To access devices on the same subnet
To route traffic to external networks
To encrypt data
9. Which tool is used to manage Active Directory users and groups?
Group Policy Editor
Server Manager
Active Directory Users and Computers
Task Scheduler
10. What does the command
ping
test?
DNS resolution
Network connectivity
Firewall status
Port availability
11. What is the function of a subnet mask?
To encrypt data packets
To identify the network and host portions of an IP address
To assign MAC addresses
To route traffic between VLANs
12. Which protocol is used for secure remote login?
FTP
Telnet
SSH
SNMP
13. What does the acronym RAID stand for?
Random Access Internet Device
Redundant Array of Independent Disks
Remote Access Integrated Domain
Reliable Architecture for Internal Databases
14. Which Windows command resets TCP/IP stack?
ipconfig /release
netsh int ip reset
ping localhost
tracert 127.0.0.1
15. What is the role of a DNS server?
To assign IP addresses
To resolve domain names to IP addresses
To monitor network traffic
To manage firewall rules
16. Refer to the diagram below. Fill in the missing label for the device between the router and the computers: