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Which of the following DoS attacks has John discovered as a vulnerability for the We-are-secure security netwo

John works as a professional Ethical Hacker. He has been assigned a project to test the security
of www.we-are-secure.com. He observes that the We-are-secure server is vulnerable to a special
type of DoS attack and he makes the following suggestions to the security authority to protect the
server from this DoS attack. The countermeasures against this type of DoS attack are as follows:
l Disabling IP-directed broadcasts at the We-are-secure router
l Configuring local computers so as not to respond to such ICMP packets that are configured to be
sent to IP broadcast addresses
Which of the following DoS attacks has John discovered as a vulnerability for the We-are-secure
security network?

Which of the following statements are true about external threats?

Mark works as a Network Security Administrator for BlueWells Inc. The company has a
Windowsbased network. Mark is giving a presentation on Network security threats to the newly
recruited employees of the company. His presentation is about the External threats that the
company recently faced in the past. Which of the following statements are true about external
threats?
Each correct answer represents a complete solution. Choose three.

Which of the following technologies should he use to accomplish the above goals?

Rick, the Network Administrator of the Fimbry Hardware Inc., wants to design the initial test model
for Internet Access. He wants to fulfill the following goals:
·No external traffic should be allowed into the network.
·Administrators should be able to restrict the websites which can be accessed by the internal
users.
Which of the following technologies should he use to accomplish the above goals?
(Click the Exhibit button on the toolbar to see the case study.)

Which of the following intrusion detection technologies can be used to accomplish the task?

Mark works as a Network Security Administrator for Umbrella Inc. The company has a Windows
domain-based network. To provide security to the network, Mark plans to configure IDS. He wants
to ensure that attackers are not able to modify or delete the system files. To determine such
attacks, the IDS must be able to monitor the file structure of the system. Which of the following
intrusion detection technologies can be used to accomplish the task?


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