Q. What is the purpose of a VLAN in a switched network?
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A.
To increase bandwidth
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B.
To segment network traffic
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C.
To provide redundancy
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D.
To enhance security
Solution
The purpose of a VLAN (Virtual Local Area Network) in a switched network is to segment network traffic, improving performance and security.
Correct Answer:
B
— To segment network traffic
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Q. What layer of the OSI model does the TCP/IP protocol suite primarily operate on?
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A.
Application Layer
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B.
Transport Layer
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C.
Network Layer
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D.
Data Link Layer
Solution
The TCP/IP protocol suite primarily operates at the Transport Layer, which is responsible for end-to-end communication and error recovery.
Correct Answer:
B
— Transport Layer
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Q. Which protocol is used for secure remote access to network devices?
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A.
HTTP
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B.
FTP
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C.
SSH
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D.
Telnet
Solution
SSH (Secure Shell) is used for secure remote access to network devices, providing encrypted communication.
Correct Answer:
C
— SSH
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