Question
Which of the following is not correct IP address ?
The correct answer is
$25.256.230.10$
Identifying the Incorrect IP Address
An IPv4 address consists of four numerical parts, called octets, separated by dots. Each octet must be a whole number between 0 and 255, inclusive. We need to check each option against this rule.
IP Address Rule Check
-
Option 1: $20.110.254.160$
- Octets: 20, 110, 254, 160
- All octets are within the valid range [0, 255]. This is a correct IP address.
-
Option 2: $25.256.230.10$
- Octets: 25, 256, 230, 10
- The second octet, $256$, is greater than 255. This is an incorrect IP address.
-
Option 3: $230.110.230.230$
- Octets: 230, 110, 230, 230
- All octets are within the valid range [0, 255]. This is a correct IP address.
-
Option 4: $10.11.234.234$
- Octets: 10, 11, 234, 234
- All octets are within the valid range [0, 255]. This is a correct IP address.
Conclusion
The IP address $25.256.230.10$ is not correct because one of its octets ($256$) exceeds the maximum allowed value of 255.
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Important Questions from Miscellaneous
- Which of the following scheduler/schedulers is/are also called CPU scheduler ?
(A). Short Term Scheduler
(B). Long Term Scheduler
(C). Medium Term Scheduler
(D). Asymmetric Scheduler
Choose the correct answer from the options given below: - A situation where two or more processes are blocked, waiting for resources held by each other is called:
- External fragmentation occurs ________.
- Which disk scheduling algorithm looks for the track closest to the current head position?
- Which CPU scheduling algorithm prefers the process with the shortest burst time?
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