Given the IPv6 address 2001:0db8:85a3::8a2e:0370:7334, what is the number of groups of zeros compressed by the double colon?

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Computer Networks - IP Addressing

Given the IPv6 address 2001:0db8:85a3::8a2e:0370:7334, what is the number of groups of zeros compressed by the double colon?

ATwo groups

BFour groups

CThree groups

DOne group

Step-by-Step Solution

Solution:

Step 1: Count total groups in full IPv6 address
IPv6 addresses have 8 groups total.
Step 2: Count given groups and find missing
Given address shows 6 groups explicitly; double colon replaces missing 2 groups of zeros.
Final Answer:
Two groups -> Option A
Quick Check:
Double colon replaces 2 zero groups [OK]

Quick Trick: Count groups before and after :: to find compressed zeros [OK]

Common Mistakes:

MISTAKES

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