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M4-R5.1 — Security & Future of IoT Ecosystem MCQ
25 Questions • M4-R5.1
20:00
← Back
1
Mirai Botnet (2016) was a famous attack on?
A
Desktop computers
B
IoT devices (cameras, DVRs)
C
Cloud servers only
D
Mobile phones
2
Default credentials on IoT devices?
A
Are secure
B
Should be changed immediately
C
Should never be changed
D
Are randomly generated always
3
Firmware updates for IoT devices are important for?
A
Making them slower
B
Fixing security vulnerabilities
C
Adding ads
D
Removing features
4
Data encryption in IoT protects?
A
Power consumption
B
Transmitted data from unauthorized access
C
Sensor accuracy
D
Battery life
5
Artificial Intelligence combined with IoT is called?
A
BIoT
B
CIoT
C
AIoT
D
DIoT
6
Digital Twin in IoT refers to?
A
Two identical sensors
B
Virtual copy of a physical device/system
C
Two IoT networks
D
Backup power supply
7
Smart city uses IoT for?
A
Only traffic management
B
Integrated city management (traffic, waste, energy, safety)
C
Building websites
D
Social media
8
DDoS attack on IoT means?
A
Device becomes faster
B
Overwhelm a target with traffic to make it unavailable
C
Data is deleted
D
Device is upgraded
9
Privacy concern in IoT arises from?
A
Too few devices
B
Constant data collection by connected devices
C
High cost of devices
D
Slow internet
10
5G benefits IoT by providing?
A
Slower speeds
B
Higher latency
C
Faster speeds and lower latency for more devices
D
Fewer connections
11
IoT security challenge includes?
A
Too much security
B
Large attack surface due to many connected devices
C
No internet needed
D
Too few devices
12
DDoS attack on IoT?
A
Improves performance
B
Overwhelms device/network with traffic
C
Fixes bugs
D
Saves battery
13
Botnet in IoT context?
A
Useful robots
B
Network of compromised IoT devices controlled by attacker
C
Firewall system
D
Security tool
14
Encryption in IoT protects?
A
Physical devices
B
Data during transmission from eavesdropping
C
Battery life
D
Display quality
15
Firmware update in IoT is?
A
Unnecessary
B
Critical for patching security vulnerabilities
C
Only cosmetic
D
Slows device
16
Authentication in IoT ensures?
A
Fast speed
B
Only authorized devices/users access the system
C
More storage
D
Better display
17
Privacy concern in IoT?
A
No concern
B
Devices collect personal data that could be misused
C
Too much privacy
D
Devices are offline
18
Blockchain can help IoT security by?
A
Slowing devices
B
Providing decentralized, tamper-proof data records
C
Removing internet
D
Adding more sensors
19
5G technology benefits IoT by?
A
Slower speed
B
Faster speeds, lower latency, more device capacity
C
Higher cost
D
Less coverage
20
Digital twin is?
A
Physical copy
B
Virtual replica of a physical device/system
C
Backup file
D
Duplicate hardware
21
AI + IoT (AIoT) means?
A
AI replaces IoT
B
AI enhances IoT with smart decision making
C
IoT replaces AI
D
No connection
22
Fog computing in IoT?
A
Cloud only
B
Processing between edge devices and cloud
C
No processing
D
Only at device level
23
Ethical issues in IoT include?
A
Only cost
B
Surveillance, data ownership, consent
C
Only speed
D
Only design
24
Future of IoT in healthcare?
A
Less monitoring
B
Continuous remote health monitoring, AI diagnostics
C
Only print prescriptions
D
Only billing
25
Sustainable IoT focuses on?
A
Maximum energy use
B
Energy efficiency and environmental impact reduction
C
More devices only
D
Only profits
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