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NEW QUESTION # 54
Steve, a network engineer, was tasked with troubleshooting a network issue that is causing unexpected packet drops. For this purpose, he employed a network troubleshooting utility to capture the ICMP echo request packets sent to the server. He identified that certain packets are dropped at the gateway due to poor network connection.
Identify the network troubleshooting utility employed by Steve in the above scenario.
- A. traceroute
- B. arp
- C. dnsenurn
- D. ipconfig
Answer: A
NEW QUESTION # 55
Kasen, a cybersecurity specialist at an organization, was working with the business continuity and disaster recovery team. The team initiated various business continuity and discovery activities in the organization. In this process, Kasen established a program to restore both the disaster site and the damaged materials to the pre-disaster levels during an incident.
Which of the following business continuity and disaster recovery activities did Kasen perform in the above scenario?
- A. Prevention
- B. Resumption
- C. Response
- D. Recovery
Answer: D
NEW QUESTION # 56
Jordan, a network administrator in an organization, was instructed to identify network-related issues and improve network performance. While troubleshooting the network, he received a message indicating that the datagram could not be forwarded owing to the unavailability of IP-related services (such as FTP or web services) on the target host, which of the following network issues did Jordan find in this scenario?
- A. Destination unreachable message
- B. Network cable is unplugged
- C. Time exceeded message
- D. Unreachable networks
Answer: A
Explanation:
Destination unreachable message is the network issue that Jordan found in this scenario. Destination unreachable message is a type of ICMP message that indicates that the datagram could not be forwarded owing to the unavailability of IP-related services (such as FTP or web services) on the target host. Destination unreachable message can be caused by various reasons, such as incorrect routing, firewall blocking, or host configuration problems1.
References: Destination Unreachable Message
NEW QUESTION # 57
Riley sent a secret message to Louis. Before sending the message, Riley digitally signed the message using his private key. Louis received the message, verified the digital signature using the corresponding key to ensure that the message was not tampered during transit.
Which of the following keys did Louis use to verify the digital signature in the above scenario?
- A. Riley's public key
- B. Louis's public key
- C. Louis's private key
- D. Riley's private key
Answer: A
Explanation:
Riley's public key is the key that Louis used to verify the digital signature in the above scenario. A digital signature is a cryptographic technique that verifies the authenticity and integrity of a message or document. A digital signature is created by applying a hash function to the message or document and then encrypting the hash value with the sender's private key. A digital signature can be verified by decrypting the hash value with the sender's public key and comparing it with the hash value of the original message or document . Riley's public key is the key that corresponds to Riley's private key, which he used to sign the message. Louis's public key is the key that corresponds to Louis's private key, which he may use to encrypt or decrypt messages with Riley. Louis's private key is the key that only Louis knows and can use to sign or decrypt messages. Riley's private key is the key that only Riley knows and can use to sign or encrypt messages.
NEW QUESTION # 58
A pfSense firewall has been configured to block a web application www.abchacker.com. Perform an analysis on the rules set by the admin and select the protocol which has been used to apply the rule.
Hint: Firewall login credentials are given below:
Username: admin
Password: admin@l23
- A. POP3
- B. TCP/UDP
- C. FTP
- D. ARP
Answer: B
Explanation:
TCP/UDP is the protocol that has been used to apply the rule to block the web application www.abchacker.com in the above scenario. pfSense is a firewall and router software that can be installed on a computer or a device to protect a network from variousthreats and attacks. pfSense can be configured to block or allow traffic based on various criteria, such as source, destination, port, protocol, etc. pfSense rules are applied to traffic in the order they appear in the firewall configuration . To perform an analysis on the rules set by the admin, one has to follow these steps:
* Open a web browser and type 20.20.10.26
* Press Enter key to access the pfSense web interface.
* Enter admin as username and admin@l23 as password.
* Click on Login button.
* Click on Firewall menu and select Rules option.
* Click on LAN tab and observe the rules applied to LAN interface.
The rules applied to LAN interface are:
The first rule blocks any traffic from LAN interface to www.abchacker.com website using TCP/UDP protocol.
The second rule allows any traffic from LAN interface to any destination using any protocol. Since the first rule appears before the second rule, it has higher priority and will be applied first. Therefore, TCP/UDP is the protocol that has been used to apply the rule to block the web application www.abchacker.com. POP3 (Post Office Protocol 3) is a protocol that allows downloading emails from a mail server to a client device. FTP (File Transfer Protocol) is a protocol that allows transferring files between a client and a server over a network.
ARP (Address Resolution Protocol) is a protocol that resolves IP addresses to MAC (Media Access Control) addresses on a network.
NEW QUESTION # 59
You've been called in as a computer forensics investigator to handle a case involving a missing company laptop from the accounting department, which contained sensitive financial data. The company suspects a potential data breach and wants to recover any evidence from the missing device. What is your MOST important initial action regarding the digital evidence?
- A. Interview company personnel to understand the missing laptop's usage.
- B. Turn on the laptop (if found) and search for deleted files.
- C. Secure the scene where the laptop was last seen (if possible).
- D. Report the incident to law enforcement immediately.
Answer: C
NEW QUESTION # 60
Cairo, an incident responder. was handling an incident observed in an organizational network. After performing all IH&R steps, Cairo initiated post-incident activities. He determined all types of losses caused by the incident by identifying And evaluating all affected devices, networks, applications, and software. Identify the post-incident activity performed by Cairo in this scenario.
- A. Incident impact assessment
- B. Close the investigation
- C. Review and revise policies
- D. Incident disclosure
Answer: A
Explanation:
Incident impact assessment is the post-incident activity performed by Cairo in this scenario. Incident impact assessment is a post-incident activity that involves determining all types of losses caused by the incident by identifying and evaluating all affected devices, networks, applications, and software. Incident impact assessment can include measuring financial losses, reputational damages, operational disruptions, legal liabilities, or regulatory penalties1. References: Incident Impact Assessment
NEW QUESTION # 61
RAT has been setup in one of the machines connected to the network to steal the important Sensitive corporate docs located on Desktop of the server, further investigation revealed the IP address of the server 20.20.10.26. Initiate a remote connection using thief client and determine the number of files present in the folder.
Hint: Thief folder is located at: Z:\CCT-Tools\CCT Module 01 Information Security Threats and Vulnerabilities\Remote Access Trojans (RAT)\Thief of Attacker Machine-1.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
Explanation:
3 is the number of files present in the folder in the above scenario. A RAT (Remote Access Trojan) is a type of malware that allows an attacker to remotely access and control a compromised system or network. A RAT can be used to steal sensitive data, spy on user activity, execute commands, install other malware, etc. To initiate a remote connection using thief client, one has to follow these steps:
Navigate to the thief folder located at Z:\CCT-Tools\CCT Module 01 Information Security Threats and Vulnerabilities\Remote Access Trojans (RAT)\Thief of Attacker Machine-1. Double-click on thief.exe file to launch thief client.
Enter 20.20.10.26 as IP address of server.
Enter 1234 as port number.
Click on Connect button.
After establishing connection with server, click on Browse button.
Navigate to Desktop folder on server.
Count number of files present in folder.
The number of files present in folder is 3, which are:
Sensitive corporate docs.docx
Sensitive corporate docs.pdf
Sensitive corporate docs.txt
NEW QUESTION # 62
NovusCorp, a leading healthcare provider, had meticulously designed its BC and DR plans, ensuring every potential risk was covered. Recently, its primary data center experienced a catastrophic flood. It swiftly activated its DR plan, transferring operations to its secondary data center. But within 24 hours, the provider faced an unforeseen challenge: the secondary data center began to receive a huge, unprecedented amount of data requests, causing system overloads and disruptions. This situation was not a part of the provider's initial risk assessment. In the face of this predicament, what should NovusCorp's immediate course of action be to ensure business continuity?
- A. Allocate resources to upgrade the secondary data center's infrastructure to handle the increased data request loads.
- B. Reduce non-critical data requests and impose temporary restrictions on data access to maintain system stability.
- C. Initiate an immediate Tailback to the primary data center despite potential risks.
- D. Engage a cloud based data storage provider for temporary overflow until the primary center is restored.
Answer: D
Explanation:
* Engaging a cloud-based data storage provider allows NovusCorp to manage the sudden influx of data requests without overloading the secondary data center. Cloud providers can quickly scale resources to meet demand.
NEW QUESTION # 63
Maisie. a new employee at an organization, was given an access badge with access to only the first and third floors of the organizational premises. Maisie Hied scanning her access badge against the badge reader at the second-floor entrance but was unsuccessful. Identify the short-range wireless communication technology used by the organization in this scenario.
- A. Bluetooth
- B. RFID
- C. Li-Fi
- D. Wi Fi
Answer: B
Explanation:
RFID (Radio Frequency Identification) is a short-range wireless communication technology that uses radio waves to identify and track objects. RFID tags are attached to objects and RFID readers scan the tags to obtain the information stored in them. RFID is commonly used for access control, inventory management, and identification3. Reference: What is RFID?
NEW QUESTION # 64
Kasen, a cybersecurity specialist at an organization, was working with the business continuity and disaster recovery team. The team initiated various business continuity and discovery activities in the organization. In this process, Kasen established a program to restore both the disaster site and the damaged materials to the pre-disaster levels during an incident. Which of the following business continuity and disaster recovery activities did Kasen perform in the above scenario?
- A. Prevention
- B. Resumption
- C. Response
- D. Recovery
Answer: D
Explanation:
Recovery is the business continuity and disaster recovery activity that Kasen performed in the above scenario. Business continuity and disaster recovery (BCDR) is a process that involves planning, preparing, and implementing various activities to ensure the continuity of critical business functions and the recovery of essential resources in the event of a disaster or disruption.
BCDR activities can be categorized into four phases: prevention, response, resumption, and recovery.Prevention is the BCDR phase that involves identifying and mitigating potential risks and threats that can cause a disaster or disruption. Response is the BCDR phase that involves activating the BCDR plan and executing the immediate actions to protect people, assets, and operations during a disaster or disruption. Resumption is the BCDR phase that involves restoring the minimum level of services and functions required to resume normal business operations after a disaster or disruption. Recovery is the BCDR phase that involves restoring both the disaster site and the damaged materials to the pre-disaster levels during an incident.
NEW QUESTION # 65
Henry Is a cyber security specialist hired by BlackEye - Cyber security solutions. He was tasked with discovering the operating system (OS) of a host. He used the Unkornscan tool to discover the OS of the target system. As a result, he obtained a TTL value, which Indicates that the target system is running a Windows OS. Identify the TTL value Henry obtained, which indicates that the target OS is Windows.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION # 66
The IH&R team in an organization was handling a recent malware attack on one of the hosts connected to the organization's network. Edwin, a member of the IH&R team, was involved in reinstating lost data from the backup medi a. Before performing this step, Edwin ensured that the backup does not have any traces of malware.
Identify the IH&R step performed by Edwin in the above scenario.
- A. Eradication
- B. Notification
- C. Incident containment
- D. Recovery
Answer: D
Explanation:
Recovery is the IH&R step performed by Edwin in the above scenario. IH&R (Incident Handling and Response) is a process that involves identifying, analyzing, containing, eradicating, recovering from, and reporting on security incidents that affect an organization's network or system. Recovery is the IH&R step that involves restoring the normal operation of the system or network after eradicating the incident. Recovery can include reinstating lost data from the backup media, applying patches or updates, reconfiguring settings, testing functionality, etc. Recovery also involves ensuring that the backup does not have any traces of malware or compromise . Eradication is the IH&R step that involves removing all traces of the incident from the system or network, such as malware, backdoors, compromised files, etc. Incident containment is the IH&R step that involves implementing appropriate measures to stop the infection from spreading to other organizational assets and to prevent further damage to the organization. Notification is the IH&R step that involves informing relevant stakeholders, authorities, or customers about the incident and its impact.
NEW QUESTION # 67
Martin, a network administrator at an organization, received breaching alerts for an application. He identified that a vulnerability in the application allowed attackers to enter malicious input. Martin evaluated the threat severity and extent of damage that could be caused by this vulnerability. He then escalated the issue to the security management team to determine appropriate mitigation strategies. In which of the following threat-modeling steps did Martin evaluate the severity level of the threat?
- A. Decompose the application
- B. Identify vulnerabilities
- C. Risk and impact analysis
- D. Application overview
Answer: C
Explanation:
Risk and impact analysis is the threat-modeling step in which Martin evaluated the severity level of the threat in the above scenario. Threat modeling is a process that involves identifying, analyzing, and mitigating threats and risks to a system or network. Threat modeling can be used to improve the security and resilience of a system or network by applying various methods or techniques, such as STRIDE, DREAD, PASTA, etc. Threat modeling consists of various steps or phases that perform different tasks or roles. Risk and impact analysis is a threat-modeling step that involves assessing the likelihood and consequences of threats and risks to a system or network . Risk and impact analysis can be used to evaluate the severity level of threats and risks and prioritize them for mitigation . In the scenario, Martin received breaching alerts for an application. He identified that a vulnerability in the application allowed attackers to enter malicious input. Martin evaluated the threat severity and extent of damage that could be caused by this vulnerability. He then escalated the issue to the security management team to determine appropriate mitigation strategies. This means that he performed risk and impact analysis for this purpose. Identify vulnerabilities is a threat-modeling step that involves finding and documenting the weaknesses or flaws in a system or network that can be exploited by threats or risks . Application overview is a threat-modeling step that involves defining and understanding the scope, architecture, components, and functionality of a system or network . Decompose the application is a threat-modeling step that involves breaking down a system or network into smaller and simpler elements, such as data flows, processes, assets, etc.
NEW QUESTION # 68
Myles, a security professional at an organization, provided laptops for all the employees to carry out the business processes from remote locations. While installing necessary applications required for the business, Myles has also installed antivirus software on each laptop following the company's policy to detect and protect the machines from external malicious events over the Internet. Identify the PCI-DSS requirement followed by Myles in the above scenario.
- A. PCI-DSS requirement no 1.3.2
- B. PCI-DSS requirement no 5.1
- C. PCI-DSS requirement no 1.3.1
- D. PCI-DSS requirement no 1.3.5
Answer: B
Explanation:
It identifies the PCI-DSS requirement followed by Myles in the above scenario. PCI-DSS is a set of standards that aims to protect cardholder data and ensure secure payment transactions. PCI- DSS has 12 requirements that cover various aspects of security such as network configuration, data encryption, access control, vulnerability management, monitoring, and testing. PCI-DSS requirement no 5.1 states that "Protect all systems against malware and regularly update anti- virus software or programs". In the above scenario, Myles followed this requirement by installing antivirus software on each laptop to detect and protect the machines from external malicious events over the Internet.
NEW QUESTION # 69
A text file containing sensitive information about the organization has been leaked and modified to bring down the reputation of the organization. As a safety measure, the organization did contain the MD5 hash of the original file. The file which has been leaked is retained for examining the integrity. A file named "Sensitiveinfo.txt" along with OriginalFileHash.txt has been stored in a folder named Hash in Documents of Attacker Machine-1. Compare the hash value of the original file with the leaked file and state whether the file has been modified or not by selecting yes or no.
- A. Yes
- B. No
Answer: A
Explanation:
Yes is the answer to whether the file has been modified or not in the above scenario. A hash is a fixed-length string that is generated by applying a mathematical function, called a hash function, to a piece of data, such as a file or a message. A hash can be used to verify the integrity or authenticity of data by comparing it with another hash value of the same data . A hash value is unique and any change in the data will result in a different hash value . To compare the hash value of the original file with the leaked file and state whether the file has been modified or not, one has to follow these steps:
Navigate to Hash folder in Documents of Attacker-1 machine.
Open OriginalFileHash.txt file with a text editor.
Note down the MD5 hash value of the original file as 8f14e45fceea167a5a36dedd4bea2543 Open Command Prompt and change directory to Hash folder using cd command.
Type certutil -hashfile Sensitiveinfo.txt MD5 and press Enter key to generate MD5 hash value of leaked file.
Note down the MD5 hash value of leaked file as 9f14e45fceea167a5a36dedd4bea2543 Compare both MD5 hash values.
The MD5 hash values are different , which means that the file has been modified.
NEW QUESTION # 70
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