Q. What is the maximum length of a standard Ethernet cable (Cat 5e)?
-
A.
50 meters
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B.
100 meters
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C.
200 meters
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D.
300 meters
Solution
The maximum length of a standard Ethernet cable (Cat 5e) is 100 meters for reliable data transmission.
Correct Answer:
B
— 100 meters
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Q. Which device operates at the Data Link Layer of the OSI model?
-
A.
Router
-
B.
Switch
-
C.
Hub
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D.
Gateway
Solution
A switch operates at the Data Link Layer (Layer 2) of the OSI model, forwarding frames based on MAC addresses.
Correct Answer:
B
— Switch
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Q. Which of the following is a valid IPv4 address?
-
A.
192.168.1.256
-
B.
172.16.0.1
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C.
10.0.0.999
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D.
255.255.255.256
Solution
A valid IPv4 address must be in the range of 0 to 255 for each octet. 172.16.0.1 is valid.
Correct Answer:
B
— 172.16.0.1
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Q. Which protocol is used for secure data transmission over the Internet?
-
A.
HTTP
-
B.
FTP
-
C.
HTTPS
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D.
SMTP
Solution
HTTPS (Hypertext Transfer Protocol Secure) is used for secure data transmission over the Internet, encrypting the data exchanged.
Correct Answer:
C
— HTTPS
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