Nortel NCDS 920-256 Exam Demo (6)

High quality and Value for the 920-256 Exam.
Killtest Practice Exams for Nortel VPN Router Ris.7.0 Solutions(NCDS) 920-256 are written to the highest standards of technical accuracy, using only certified subject matter experts and published authors for development.

100% Guarantee to Pass Your NCDS exam and get your NCDS Certification. We guarantee your success in the first attempt. If you do not pass the 920-256 Exam (Nortel VPN Router Ris.7.0 Solutions(NCDS)) on your first attempt we will give you a FULL REFUND of your purchasing fee AND send you another same value product for free.

920-256：please download 920-256 in PDF format Demo

11. In setting up its VPN Router, a company wishes to allow untunneled UDP traffic between the private and the public networks. The company also wants to ensure that unsolicited UDP reply packets are dropped.Which feature would facilitate this?
A. Anti-spoofing
B. Interface filters
C. VPN Router Stateful Firewall
D. Interface NAT with one-to-one translation
Answer: C

12. Because of recent spoofing attacks on the internet, a customer is concerned about vulnerability. The customer was told that their VPN Router has an anti-spoofing mechanism designed to help protect against such attacks. How does the VPN Router do this?
A. by validating the source port
B. by validating the TCP sequence number
C. by validating the source IP using the firewall
D. by validating the destination address is not 0.0.0.0
Answer: C