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07/06/2026

Which device broadcasts data to all ports?
A. Router
B. Switch
C. Hub
D. Firewall
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05/06/2026

Which device works at Layer 2?
A. Router
B. Switch
C. Firewall
D. Modem
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02/06/2026

Which port does SSH use?
A. 20
B. 21
C. 22
D. 23
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01/06/2026

What is NAT used for?
A. Encrypting traffic
B. Assigning IP addresses
C. Translating private IPs to public IPs
D. Blocking malware
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31/05/2026
31/05/2026

What does MAC address identify?
A. Website
B. User account
C. Device hardware
D. IP network
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26/05/2026

What is the difference between TCP and UDP?
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24/05/2026

What networking topic should I explain next?
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24/05/2026

23/05/2026

How long did it take you to
understand subnetting?
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