Pass the Cisco CyberOps Associate 200-201 Questions and answers with CertsForce

The ping of death is a type of attack that involves sending oversized or malformed packets using the ICMP protocol to crash, freeze, or reboot the target system1.

UDP flooding is an attack method that sends a large number of User Datagram Protocol (UDP) packets to random ports on a remote host, causing the host to repeatedly check for the application listening at that port, and (when no application is found) reply with an ICMP Destination Unreachable packet. This process can saturate the network and the resources of the host, leading to denial of service2.

Cloudflare’s explanation of common DoS attacks1.

Wikipedia’s description of denial-of-service attack methods

When a system is overwhelmed with alerts, designing criteria for reviewing alerts can help prioritize and manage them more effectively. This approach allows for a structured review process that can distinguish between false positives, false negatives, and legitimate alerts, reducing the overall number of alerts that require attention3.

References := The strategy of designing criteria for reviewing alerts is recommended in cybersecurity best practices to manage alert fatigue and improve the efficiency of security operations3.

The file in question, which contains logs of unsuccessful login attempts from an unknown IP address, is considered indirect evidence. It suggests that there may have been an attempt to gain unauthorized access, but it does not directly prove who was responsible for the attempts. Indirect evidence can be used to support other evidence that may lead to a direct identification of the threat actor. References: Understanding Cisco Cybersecurity Operations Fundamentals (CBROPS) and other Cisco cybersecurity resources provide information on how to analyze and categorize different types of evidence in the context of security incidents.

In cybersecurity, a threat is any potential malicious attack or event that can harm an organization, while a risk is the potential damage or loss that could occur if a threat exploits a vulnerability. Therefore, risk is considered the intersection of threats and vulnerabilities, representing the likelihood and impact of a threat materializing.

SQL injection is a type of vulnerability that allows an attacker to execute malicious SQL statements on a database server. This can result in reading, writing, or erasing information from the database, as well as bypassing authentication, executing commands, or compromising the server. SQL injection exploits the lack of input validation or output encoding in web applications that interact with databases. References := Cisco Cybersecurity Operations Fundamentals, Module 1: Security Concepts, Lesson 1.3:Common Network Application Operations and Attacks, Topic 1.3.2: Web Application Attacks

 Behavior-based detection monitors the behavior of programs in real-time. If a piece of software acts similarly to known malware after it’s been executed, behavior-based detection can stop it in its tracks. Signature-based detection involves searching for known patterns of data within executable code; if a pattern matches a “signature” in the system’s database that is considered malicious. References: Cisco Cybersecurity Operations Fundamentals

 A threat represents a potential danger that could exploit a weakness in a system while risk is associated with the potential impact or loss that could occur if a threat exploits a vulnerability in the system. So, option A which states “Threat represents a potential danger that could take advantage of a weakness in a system” is correct. References := Cisco Certified CyberOps Associate Overview

The packet capture exhibit shows that the source IP address is 192.168.122.100 and it is sending a packet from source port 50272 to destination port 80 of destination IP address 81.179.179.69 using TCP protocol. The TCP protocol is indicated by the Protocol field which has the value 6. The source and destination ports are indicated by the SrcPort and DstPort fields respectively. The source and destination IP addresses are indicated by the SrcAddr and DstAddr fields respectively. References := Cisco Cybersecurity Operations Fundamentals - Module 3: Network Data and Event Analysis