What type of attack may involve the use of tools such as nslookup and fping?
- access attack
- reconnaissance attack
- denial of service attack
- worm attack
Explanation: For reconnaissance attacks, external attackers can use Internet tools, such as the nslookup and whois utilities, to easily determine the IP address space assigned to a given corporation or entity. After the IP address space is determined, an attacker can then ping the publicly available IP addresses to identify the addresses that are active. Fping is a ping sweep tool that can help automate this process.
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