Tflex-Tech

08/05/2026

Which device connects different networks together?
A. Switch
B. Router
C. Hub
D. Bridge
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07/05/2026

07/05/2026

Which IP class starts with 192?
A. Class A
B. Class B
C. Class C
D. Class D
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03/05/2026

Which protocol is used to send email?
A. FTP
B. SMTP
C. DNS
D. DHCP
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02/05/2026

What does MAC address identify?
A. Website
B. Device hardware
C. Internet speed
D. Browser
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02/05/2026

What is the default subnet mask for a Class C IP address?
A. 255.0.0.0
B. 255.255.0.0
C. 255.255.255.0
D. 255.255.255.255
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01/05/2026

What does TCP provide?
A. Reliable communication
B. Faster gaming only
C. Email filtering
D. Device storage
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26/04/2026

What is the size of an IPv4 address?
A. 16-bit
B. 32-bit
C. 64-bit
D. 128-bit
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25/04/2026

Which layer handles encryption?
A. Application
B. Presentation
C. Session
D. Transport
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25/04/2026

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