Q. Which layer of the OSI model does the IP protocol operate at?
-
A.
Application Layer
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B.
Transport Layer
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C.
Network Layer
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D.
Physical Layer
Solution
The IP protocol operates at the Network Layer of the OSI model, handling logical addressing and routing.
Correct Answer:
C
— Network Layer
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Q. Which of the following is a characteristic of a router?
-
A.
Operates at the Data Link Layer
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B.
Forwards data based on MAC addresses
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C.
Connects different networks
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D.
Uses circuit switching
Solution
A router connects different networks and forwards data based on IP addresses, operating at the Network Layer.
Correct Answer:
C
— Connects different networks
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Q. Which of the following is a classful IP address?
-
A.
192.168.1.1
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B.
10.0.0.1
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C.
172.16.0.1
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D.
All of the above
Solution
All of the provided IP addresses are classful addresses, belonging to different classes (A, B, C).
Correct Answer:
D
— All of the above
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Q. Which of the following is NOT a valid IP address?
-
A.
192.168.1.1
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B.
255.255.255.255
-
C.
300.1.1.1
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D.
10.0.0.1
Solution
300.1.1.1 is not a valid IP address because each octet must be in the range of 0-255.
Correct Answer:
C
— 300.1.1.1
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Q. Which of the following protocols is used for reliable data transmission?
-
A.
UDP
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B.
TCP
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C.
ICMP
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D.
ARP
Solution
TCP (Transmission Control Protocol) is used for reliable data transmission, ensuring data is delivered accurately.
Correct Answer:
B
— TCP
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Q. Which protocol is used for routing in the TCP/IP model?
-
A.
HTTP
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B.
FTP
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C.
IP
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D.
SMTP
Solution
IP (Internet Protocol) is used for routing in the TCP/IP model, directing packets to their destination.
Correct Answer:
C
— IP
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