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1D0-571 – CIW v5 Security Essentials

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Showing 1–3 of 10 questions

Question 1

Which of the following is the primary weakness of symmetric-key encryption?

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    Data encrypted using symmetric-key encryption is subject to corruption during transport.
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    Symmetric-key encryption operates slower than asymmetric-key encryption.
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    Symmetric-key encryption does not provide the service of data confidentiality.
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    Keys created using symmetric-key encryption are difficult to distribute securely.
Question 2

Consider the following diagram:

Which of the following best describes the protocol activity shown in the diagram, along with the most likely potential threat that accompanies this protocol?

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    The ICMP Time Exceeded message, with the threat of a denial-of-service attack
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    The SIP three-way handshake, with the threat of a buffer overflow
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    The TCP three-way handshake, with the threat of a man-in-the-middle attack
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    The DNS name query, with the threat of cache poisoning
Question 3

Which of the following describes the practice of stateful multi-layer inspection?

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    Using a VLAN on a firewall to enable masquerading of private IP addresses
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    Prioritizing voice and video data to reduce congestion
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    Inspecting packets in all layers of the OSI/RM with a packet filter
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    Using Quality of Service (QoS) on a proxy-oriented firewall