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GK One-Line Question & Answer

15541+ short questions with short answers, covering every category and sub-category on the site — no long articles to scroll through. Good for a fast recap before an exam, or a few minutes of daily practice.

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Computer Networks → Introduction to Computer Networks 30

OVS stands for
Open vSwitch
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Kubernetes is used for
Container orchestration
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CNI in Kubernetes stands for
Container Network Interface
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Service mesh provides
Infrastructure for service-to-service communication
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SIEM stands for
Security Information and Event Management
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SOAR stands for
Security Orchestration Automation and Response
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EDR stands for
Endpoint Detection and Response
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XDR stands for
Extended Detection and Response across security layers
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ZTNA stands for
Zero Trust Network Access
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CSPM stands for
Cloud Security Posture Management
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CVE stands for
Common Vulnerabilities and Exposures
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CVSS stands for
Common Vulnerability Scoring System
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OWASP stands for
Open Web Application Security Project
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PCI DSS stands for
Payment Card Industry Data Security Standard
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WPA3 SAE stands for
Simultaneous Authentication of Equals
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CAPWAP stands for
Control And Provisioning of Wireless Access Points
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WPS vulnerability allows
Brute-force attack to recover WPA key
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5G URLLC target latency is
1 ms
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5G eMBB stands for
Enhanced Mobile Broadband
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5G mMTC stands for
Massive Machine Type Communications
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5G AMF stands for
Access and Mobility Management Function
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5G UPF stands for
User Plane Function
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5G SMF stands for
Session Management Function
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5G NRF stands for
Network Repository Function
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5G AUSF stands for
Authentication Server Function
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Open RAN provides
Open interface standards for disaggregated multivendor RAN
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gNodeB is
5G NR base station
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MQTT stands for
Message Queuing Telemetry Transport
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CoAP stands for
Constrained Application Protocol
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ZigBee data rate at 2.4 GHz is
250 Kbps
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Computer Networks → Switching Techniques 1

VXLAN vs VLAN key difference is
VXLAN uses 24-bit VNI over IP while VLAN uses 12-bit over Ethernet
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Computer Networks → Wireless Networks 7

802.11w provides
Management frame protection
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Wi-Fi 6 (802.11ax) max data rate with 8 streams is
9.6 Gbps
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Wi-Fi 6E extends Wi-Fi 6 to
6 GHz band
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OFDMA in Wi-Fi 6 improves
Multi-user efficiency via simultaneous transmissions
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Target Wake Time in Wi-Fi 6 is for
IoT device power conservation
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802.11r provides
Fast BSS Transition for roaming
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802.11k provides
Radio Resource Management for handover
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Computer Networks → Types of Networks 2

LPWAN stands for
Low Power Wide Area Network
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LoRa/LoRaWAN is designed for
Long-range IoT with very low power
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