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A security analyst notices an unusual amount of traffic hitting the edge of the network. Upon examining the logs, the analyst identifies a source IP address and blocks that address from communicating with the network. Even though the analyst is blocking this address, the attack is still ongoing and coming from a large number of different source IP addresses. Which of the following describes this type of attack?
HOTSPOT You received the output of a recent vulnerability assessment. Review the assessment and scan output and determine the appropriate remedialion(s} 'or «ach dewce. Remediation options may be selected multiple times, and some devices may require more than one remediation. If at any time you would like to biing bade the initial state ot the simulation, please dick me Reset All button.
A new vulnerability enables a type of malware that allows the unauthorized movement of data from a system Which of the following would detect this behavior?
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Which of the following threat actors is most likely to be motivated by ideology?
Which Of the following vulnerabilities is exploited an attacker Overwrite a reg-ister with a malicious address that changes the execution path?
Which Of the following will provide the best physical security countermeasures to Stop intruders? (Select two).
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Question 466 - SY0-601 discussion

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A technician is setting up a new firewall on a network segment to allow web traffic to the internet while hardening the network. After the firewall is configured, users receive errors stating the website could not be located. Which of the following would best correct the issue?

A.
Setting an explicit deny to all traffic using port 80 instead of 443
Answers
A.
Setting an explicit deny to all traffic using port 80 instead of 443
B.
Moving the implicit deny from the bottom of the rule set to the top
Answers
B.
Moving the implicit deny from the bottom of the rule set to the top
C.
Configuring the first line in the rule set to allow all traffic
Answers
C.
Configuring the first line in the rule set to allow all traffic
D.
Ensuring that port 53 has been explicitly allowed in the rule set
Answers
D.
Ensuring that port 53 has been explicitly allowed in the rule set
Suggested answer: D

Explanation:

Port 53 is the default port for DNS traffic. If the firewall is blocking port 53, then users will not be able to resolve domain names and will receive errors stating that the website could not be located.

The other options would not correct the issue. Setting an explicit deny to all traffic using port 80 instead of 443 would block all HTTP traffic, not just web traffic. Moving the implicit deny from the bottom of the rule set to the top would make the deny rule more restrictive, which would not solve the issue. Configuring the first line in the rule set to allow all traffic would allow all traffic, including malicious traffic, which is not a good security practice.

Therefore, the best way to correct the issue is to ensure that port 53 has been explicitly allowed in the rule set.

Here are some additional information about DNS traffic:

DNS traffic is used to resolve domain names to IP addresses.

DNS traffic is typically unencrypted, which makes it vulnerable to eavesdropping.

There are a number of ways to secure DNS traffic, such as using DNS over HTTPS (DoH) or DNS over

TLS (DoT).

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asked 02/10/2024
Rodrigo Serrano dos Santos
38 questions
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