GIAC
GCIA · Question #479
You work as a Network Administrator for TechPerfect Inc. The company has a corporate intranet setup. A router is configured on your network to connect outside hosts to the internetworking. For…
The correct answer is A. Block the ICMP protocol through ACL. See the full explanation below for the reasoning.
Question
You work as a Network Administrator for TechPerfect Inc. The company has a corporate intranet setup. A router is configured on your network to connect outside hosts to the internetworking. For security, you want to prevent outside hosts from pinging to the hosts on the internetwork. Which of the following steps will you take to accomplish the task?
Options
- ABlock the ICMP protocol through ACL.
- BBlock the IPv6 protocol through ACL.
- CBlock the UDP protocol through ACL.
- DBlock the TCP protocol through ACL.
How the community answered
(15 responses)- A73% (11)
- B13% (2)
- C7% (1)
- D7% (1)
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