642-521

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QUESTION 91
John the security administrator at Certkiller Inc. is configuring the PIX Firewall to forward multicast transmissions from an inside source. Which of these steps are necessary? (Choose two)
A. It is necessary for John to use the igmp join-group command to enable the PIX Firewall to forward IGMP reports.
B. It is necessary for John to use the multicast interface command to enable multicast forwarding on each PIX Firewall interface.
C. It is necessary for John to use the igmp forward command to enable multicast forwarding on each PIX Firewall interface.
D. It is necessary for John to use the mroute command to create a static route from the transmission source to the next-hop router interface.

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QUESTION 60
A client on an inside network requests DNS resolution of an inside address from a DNS server on an outside interface. How can the PIX Firewall be configured to translate the DNS A-record correctly? (Choose three)
A. By making use of the alias command.
B. By making use of the dns arecord command.
C. By specifying the dns option in the alias command.
D. By specifying the dns option in the nat command.
E. By specifying the dns option in the static command.
F. By specifying the dnsarec option in the nat command.

Correct Answer: ADE Section: (none) Explanation
QUESTION 61
Jason the security administrator at Certkiller Inc. and he is working on the PAT feature. Which statements about the PIX Firewalls PAT feature are true? (Choose three)
A. The true statement is it maps TCP port numbers to a single IP address.

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