CompTIA
CAS-003 · Question #416
CAS-003 Question #416: Real Exam Question with Answer & Explanation
The correct answer is A: Use an internal firewall to block UDP port 3544.. 1) block protocol 41. That takes out ISATAP, 6to4, default 6in4, and 6rd. 2) block the default Teredo server port, udp/3544.
Question
A company is not familiar with the risks associated with IPv6. The systems administrator wants to isolate IPv4 from IPv6 traffic between two different network segments. Which of the following should the company implement? (Select TWO)
Options
- AUse an internal firewall to block UDP port 3544.
- BDisable network discovery protocol on all company routers.
- CBlock IP protocol 41 using Layer 3 switches.
- DDisable the DHCPv6 service from all routers.
- EDrop traffic for ::/0 at the edge firewall.
- FImplement a 6in4 proxy server.
Explanation
- block protocol 41. That takes out ISATAP, 6to4, default 6in4, and 6rd. 2) block the default Teredo server port, udp/3544.
Community Discussion
No community discussion yet for this question.