Browse exam-wise, subject-wise, and country-wise MCQs with explanations.
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The correct answer is Confidentiality. It means ensuring information is accessible only to authorized users.
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The correct answer is UDP. It means a connectionless transport protocol that provides fast delivery without built-in reliability.
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The correct answer is TCP. It means a connection-oriented transport protocol that provides reliable delivery.
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The correct answer is Port number. It means a transport-layer identifier that helps deliver traffic to the correct application.
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The correct answer is Switch. It means a device that forwards frames within a local network using MAC addresses.
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The correct answer is Router. It means a device that forwards packets between different networks.
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The correct answer is HTTPS. It means HTTP protected with encryption and server authentication using TLS.
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The correct answer is HTTP. It means an application-layer protocol used to transfer web content.
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The correct answer is DNS. It means a system that translates domain names into IP addresses.
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The correct answer is MAC address. It means a hardware address used to identify a network interface at the data link layer.
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The correct answer is IP address. It means a logical network address used to identify a device on an IP network.
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The correct answer is Defense in depth. It means using multiple layers of controls so failure of one control does not expose the whole system.
