Nortel NCDS 920-256 Exam Demo (7)

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13. A customer has several branch offices using AES-128 encryption. They are concerned about vulnerability to attacks. Which two actions can the customer take to lessen fears of attack? (Choose two.)
A. Upgrade to 6.0.
B. Change to AES-256.
C. Change to 56 bit DES.
D. Change from using branch office tunnels to user tunnels.
Answer: AB

14. A customer wants to ensure that its firewall supports "Anti-Spoofing". What is the reason for using Anti-Spoofing as a means for providing network protection ?
A. IP source address equal to 0
B. invalid combinations of IP flags
C. ICMP packet larger than 65536 bytes
D. multiple copies of the same IP fragment
Answer: A

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