ExamGecko
Home Home / ECCouncil / 312-50v12

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

Question list
Search
Search

Related questions











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

A.
When a primary SOA is higher that a secondary SOA
A.
When a primary SOA is higher that a secondary SOA
Answers
B.
When a secondary SOA is higher that a primary SOA
B.
When a secondary SOA is higher that a primary SOA
Answers
C.
When a primary name server has had its service restarted
C.
When a primary name server has had its service restarted
Answers
D.
When a secondary name server has had its service restarted
D.
When a secondary name server has had its service restarted
Answers
E.
When the TTL falls to zero
E.
When the TTL falls to zero
Answers
Suggested answer: A

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?

A.
110
A.
110
Answers
B.
135
B.
135
Answers
C.
139
C.
139
Answers
D.
161
D.
161
Answers
E.
445
E.
445
Answers
F.
1024
F.
1024
Answers
Suggested answer: B, C, E

What is a NULL scan?

A.
A scan in which all flags are turned off
A.
A scan in which all flags are turned off
Answers
B.
A scan in which certain flags are off
B.
A scan in which certain flags are off
Answers
C.
A scan in which all flags are on
C.
A scan in which all flags are on
Answers
D.
A scan in which the packet size is set to zero
D.
A scan in which the packet size is set to zero
Answers
E.
A scan with an illegal packet size
E.
A scan with an illegal packet size
Answers
Suggested answer: A

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

A.
SYN
A.
SYN
Answers
B.
ACK
B.
ACK
Answers
C.
FIN
C.
FIN
Answers
D.
PSH
D.
PSH
Answers
E.
RST
E.
RST
Answers
F.
No response
F.
No response
Answers
Suggested answer: F

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

A.
A zone transfer is accomplished with the DNS
A.
A zone transfer is accomplished with the DNS
Answers
B.
A zone transfer is accomplished with the nslookup service
B.
A zone transfer is accomplished with the nslookup service
Answers
C.
A zone transfer passes all zone information that a DNS server maintains
C.
A zone transfer passes all zone information that a DNS server maintains
Answers
D.
A zone transfer passes all zone information that a nslookup server maintains
D.
A zone transfer passes all zone information that a nslookup server maintains
Answers
E.
A zone transfer can be prevented by blocking all inbound TCP port 53 connections
E.
A zone transfer can be prevented by blocking all inbound TCP port 53 connections
Answers
F.
Zone transfers cannot occur on the Internet
F.
Zone transfers cannot occur on the Internet
Answers
Suggested answer: A, C, E

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)

A.
One day
A.
One day
Answers
B.
One hour
B.
One hour
Answers
C.
One week
C.
One week
Answers
D.
One month
D.
One month
Answers
Suggested answer: C

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.

A.
A zone harvesting
A.
A zone harvesting
Answers
B.
A zone transfer
B.
A zone transfer
Answers
C.
A zone update
C.
A zone update
Answers
D.
A zone estimate
D.
A zone estimate
Answers
Suggested answer: B

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

A.
DNS, NS, AXFR, and MX records
A.
DNS, NS, AXFR, and MX records
Answers
B.
DNS, NS, PTR, and MX records
B.
DNS, NS, PTR, and MX records
Answers
C.
SOA, NS, AXFR, and MX records
C.
SOA, NS, AXFR, and MX records
Answers
D.
SOA, NS, A, and MX records
D.
SOA, NS, A, and MX records
Answers
Suggested answer: D

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?

A.
Install DNS logger and track vulnerable packets
A.
Install DNS logger and track vulnerable packets
Answers
B.
Disable DNS timeouts
B.
Disable DNS timeouts
Answers
C.
Install DNS Anti-spoofing
C.
Install DNS Anti-spoofing
Answers
D.
Disable DNS Zone Transfer
D.
Disable DNS Zone Transfer
Answers
Suggested answer: C

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

A.
MX
A.
MX
Answers
B.
SOA
B.
SOA
Answers
C.
NS
C.
NS
Answers
D.
TIMEOUT
D.
TIMEOUT
Answers
Suggested answer: B
Total 573 questions
Go to page: of 58