CERTIFIED-IN-CYBERSECURITY · Question #107
CERTIFIED-IN-CYBERSECURITY Question #107: Real Exam Question with Answer & Explanation
The correct answer is B: 192.255.121.255. IPv4 addresses are 32-bits represented as a sequence of four 8-bit integers separated by a dot. Addresses ending with 0 are reserved to specifically signify the network itself (and not a specific device on that network). In contrast, addresses ending in 255 are generally reserved
Question
Which of these addresses is commonly reserved specifically for broadcasting?
Options
- A192.255.121.0
- B192.255.121.255
- C192.255.121.14
- D192.255.121.254
Explanation
IPv4 addresses are 32-bits represented as a sequence of four 8-bit integers separated by a dot. Addresses ending with 0 are reserved to specifically signify the network itself (and not a specific device on that network). In contrast, addresses ending in 255 are generally reserved for broadcasting to all devices on that network (see ISC2 Study Guide, chapter 4, module 1).
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