Question 1

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?

Options :

A : Install DNS logger and track vulnerable packets

B : Disable DNS timeouts

C : Install DNS Anti-spoofing

D : Disable DNS Zone Transfer

Answer: C

Question 2

The security administrator of ABC needs to permit Internet traffic in the host 10.0.0.2 and UDP traffic in the

host

10.0.0.3. He also needs to permit all FTP traffic to the rest of the network and deny all other traffic. After he

applied his ACL configuration in the router, nobody can access the ftp, and the permitted hosts cannot access

the Internet. According to the next configuration, what is happening in the network?

access-list 102 deny tcp any any

access-list 104 permit udp host 10.0.0.3 any

access-list 110 permit tcp host 10.0.0.2 eq www any

access-list 108 permit tcp any eq ftp any

Options :

A : The ACL 104 needs to be first because is UDP

B : The first ACL is denying all TCP traffic and the other ACLs are being ignored by the router

C : The ACL for FTP must be before the ACL 110

D : The ACL 110 needs to be changed to port 80

Answer: B

Question 3

Which results will be returned with the following Google search query? site:target.com – site:Marketing.target.com accounting

Options :

A : Results from matches on the site marketing.target.com that are in the domain target.com but do not include the word accounting.

B : Results matching all words in the query.

C : Results for matches on target.com and Marketing.target.com that include the word “accounting”

D : Results matching “accounting” in domain target.com but not on the site Marketing.target.com

Answer: D

Question 4

Which of the following commands checks for valid users on an SMTP server?

Options :

A : RCPT

B : CHK

C : VRFY

D : EXPN

Answer: C

Question 5

Jude, a pen tester working in Keiltech Ltd., performs sophisticated security testing on his company's network infrastructure to identify security loopholes. In this process, he started to circumvent the network protection tools and firewalls used in the company. He employed a technique that can create forged TCP sessions by carrying out multiple SYN, ACK, and RST or FIN packets. Further, this process allowed Jude to execute DDoS attacks that can exhaust the network resources. What is the attack technique used by Jude for finding loopholes in the above scenario?

Options :

A : UDP flood attack

B : Ping-of-death attack

C : Spoofed session flood attack

D : Peer-to-peer attack

Answer: C

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