CompTIA
CAS-001 · Question #452
CAS-001 Question #452: Real Exam Question with Answer & Explanation
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Question
The security engineer receives an incident ticket from the helpdesk stating that DNS lookup requests are no longer working from the office. The network team has ensured that Layer 2 and Layer 3 connectivity are working. Which of the following tools would a security engineer use to make sure the DNS server is listening on port 53?
Options
- APING
- BNESSUS
- CNSLOOKUP
- DNMAP
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