NETWORK SECURITY
INTRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The addressable total number of hosts in an IPv4 scheme is ____
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4.3 million
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4.7 billion
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4.3 billion
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4.7 million
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Explanation:
Detailed explanation-1: -IPv4 provides an addressing capability of approximately 4.3 billion addresses.
Detailed explanation-2: -IPv4 addresses are 32-bit numbers. This means that there are 232, or just over four billion, possible addresses. When the commercial Internet was in its infancy, the pool of around four billion IPv4 addresses seemed huge and no one predicted its rapid growth.
Detailed explanation-3: -IPv4 still routes most of today’s internet traffic. A 32-bit address space limits the number of unique hosts to 232, which is nearly 4.3 billion IPv4 addresses for the world to use (4, 294, 967, 296, to be exact).
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