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ECCouncil 312-50v12 Practice Test - Questions Answers, Page 13

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Question 121

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Under what conditions does a secondary name server request a zone transfer from a primary name server?

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Question 122

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What ports should be blocked on the firewall to prevent NetBIOS traffic from not coming through the firewall if your network is comprised of Windows NT, 2000, and XP?

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Question 123

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What is a NULL scan?

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Question 124

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What is the proper response for a NULL scan if the port is open?

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Question 125

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Which of the following statements about a zone transfer is correct? (Choose three.)

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Question 126

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You have the SOA presented below in your Zone.

Your secondary servers have not been able to contact your primary server to synchronize information. How long will the secondary servers attempt to contact the primary server before it considers that zone is dead and stops responding to queries? collegae.edu.SOA, cikkye.edu ipad.college.edu. (200302028 3600 3600 604800 3600)

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Question 127

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Tess King is using the nslookup command to craft queries to list all DNS information (such as Name Servers, host names, MX records, CNAME records, glue records (delegation for child Domains), zone serial number, TimeToLive (TTL) records, etc) for a Domain.

What do you think Tess King is trying to accomplish? Select the best answer.

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Question 128

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A zone file consists of which of the following Resource Records (RRs)?

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Question 129

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Let's imagine three companies (A, B and C), all competing in a challenging global environment.

Company A and B are working together in developing a product that will generate a major competitive advantage for them. Company A has a secure DNS server while company B has a DNS server vulnerable to spoofing. With a spoofing attack on the DNS server of company B, company C gains access to outgoing e-mails from company B. How do you prevent DNS spoofing?

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Question 130

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Which DNS resource record can indicate how long any "DNS poisoning" could last?

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Total 573 questions
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