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SCNS – SCNS Tactical Perimeter Defense

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Showing 13–15 of 15 questions

Question 13 (Volume A)

To verify that your PPTP implementation is working as you intended, you sniff the network after the implementation has been completed. You are looking for specific values in the captures that will indicate to you the type of packets received. You analyze the packets, including headers and payload. PPTP works at which layer of the OSI model?

Select an option, then click Submit answer.

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    Layer 1

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    Layer 2

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    Layer 3

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    Layer 4

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    Layer 5


Question 14 (Volume A)

As you increase the layers of security in your organization, you must watch the network behavior closely.

How can a firewall have a negative impact on the performance of your network?

Select an option, then click Submit answer.

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    It can authorize sensitive information from the wrong host

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    It can block needed traffic

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    It can decrypt secure communications that were supposed to get past the firewall encrypted

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    It can restrict bandwidth based on QoS

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    It can filter packets that contain virus signatures


Question 15 (Volume B)

You are a host in a network segment that has IP addresses in the range of

168.16.1~192.168.31.254. You need to create an access control list that will filter your segment of addresses. Which of the following is the wildcard mask that will be used to filter your network segment?

Select an option, then click Submit answer.

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    10.0.16.1/20

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    0.0.16.254

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    255.240.0.0

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    0.0.240.0

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    0.0.15.255