Free 312-50v11 Exam Dumps

Question 31

A technician is resolving an issue where a computer is unable to connect to the Internet using a wireless access point. The computer is able to transfer files locally to other machines, but cannot successfully reach the Internet. When the technician examines the IP address and default gateway they are both on the 192.168.1.0/24. Which of the following has occurred?

A. The computer is not using a private IP address.
B. The gateway is not routing to a public IP address.
C. The gateway and the computer are not on the same network.
D. The computer is using an invalid IP address.

Correct Answer:B

Question 32

Although FTP traffic is not encrypted by default, which layer 3 protocol would allow for end-to-end encryption of the connection?

A. SFTP
B. Ipsec
C. SSL
D. FTPS

Correct Answer:B

Question 33

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

Correct Answer:A

Question 34

If a token and 4-digit personal identification number (PIN) are used to access a computer system and the token performs off-line checking for the correct PIN, what type of attack is possible?

A. Birthday
B. Brute force
C. Man-in-the-middle
D. Smurf

Correct Answer:B

Question 35

A large mobile telephony and data network operator has a data center that houses network elements. These are essentially large computers running on Linux. The perimeter of the data center is secured with firewalls and IPS systems.
What is the best security policy concerning this setup?

A. Network elements must be hardened with user ids and strong password
B. Regular security tests and audits should be performed.
C. As long as the physical access to the network elements is restricted, there is no need for additional measures.
D. There is no need for specific security measures on the network elements as long as firewalls and IPS systems exist.
E. The operator knows that attacks and down time are inevitable and should have a backup site.

Correct Answer:A