What is the difference between the ACK flag and the RST flag?
Answer(s): D
ACK (Acknowledgment) Flag: The ACK flag in the TCP header acknowledges the successful receipt of data by confirming the receipt of a packet or segment. It validates that the receiver has received a particular sequence number and acknowledges the next expected sequence number. It does not close sessions but rather acknowledges data within an ongoing session.RST (Reset) Flag: The RST flag, on the other hand, is used in TCP to immediately terminate a connection. When a device receives a packet with the RST flag set, it indicates an abnormal condition or an attempt to reset or abort an ongoing connection. The RST flag is used to forcefully close a session and reset the connection.
A user reported that a mobile application is working very slowly. The DDOS tool reports high volume traffic. During which phase will CSIRT ensure that the incident does not continue and confirm that the organization took the required action?
Answer(s): B
Containment focuses on stopping the incident from continuing or spreading by applying immediate controls (such as blocking sources, rate limiting, or filtering) and verifying those actions are effective to prevent further impact.
Which classification of cross-site scripting attack executes the payload without storing it for repeated use?
Reflective cross-site scripting (XSS) attacks occur when the malicious script is immediately reflected off a web application to the user and executed. In this type of attack, the payload is not stored persistently on the target server. Instead, it is typically embedded in a URL or input field, and when the victim visits a crafted link or submits a form, the payload is reflected back in the response, allowing the attacker to execute the script within the user's browser.
What is a scareware attack?
Answer(s): A
Scareware is a type of malicious software that tricks users into believing their computer has been infected with viruses or other security threats. It often presents alarming or misleading messages through popup windows with flashing colors, fake security alerts, or warnings designed to create fear or panic among users. These deceptive tactics aim to convince users to take action, such as purchasing fake antivirus software or subscribing to unnecessary services to resolve the non-existent issues.
What is the purpose of a ransomware attack?
Ransomware is a type of malicious software designed to encrypt files or entire systems, rendering them inaccessible to users until a ransom is paid to the attacker. The primary objective of a ransomware attack is to encrypt the victim's data, making it unusable or inaccessible, and then demand payment (usually in cryptocurrency) in exchange for providing the decryption key or tool needed to unlock the encrypted files or systems.
An engineer configured regular expression ".*\.([Dd][Oo][Cc]|[Xx][LI][Ss]|[Pp][Pp][Tt]) HTTP/1.[01]" on Cisco ASA firewall. What does this regular expression do?
Answer(s): C
The regular expression pattern captures file extensions like .doc, .xls, and .ppt (or variations in letter case, such as DOC, XLS, PPT) within HTTP traffic sessions, as indicated by the ".([Dd][Oo][Cc]|[Xx][LI][Ss]|[Pp][Pp][Tt])" part of the regex.Additionally, it specifies HTTP versions 1.0 and 1.1 by ending with " HTTP/1.[01]" to focus the matching on HTTP sessions using these versions.
What describes the usage of a rootkit in endpoint-based attacks?
What does sliding window anomaly detection refer to?
Sliding window anomaly detection analyzes a moving subset of recent observations to identify deviations from expected behavior. As new data arrives, older observations leave the window, allowing detection to reflect recent activity and changing patterns.
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q:32 answer has to be option c
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q23, its an array, isnt it? starts with [ and end with ]. its an array of objects, not object.
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question 232 answer should be perimeter not netowrk layer. wrong answer selected
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question 81 should be c.
question 18 : response isnt a ?
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