[Apr-2025] Latest Cisco 100-160 Certification Practice Test Questions
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NEW QUESTION # 135
Which of the following network technologies is commonly used to connect devices within a local area network (LAN)?
- A. DSL
- B. Ethernet
- C. VPN
- D. Wi-Fi
Answer: B
Explanation:
Ethernet is a widely used network technology for connecting devices within a local area network (LAN). It provides a physical and data link layer protocol for wired connections, allowing devices to communicate over a LAN using Ethernet cables. Ethernet has various speeds and standards, including Ethernet over twisted pair (such as Cat 5e or Cat 6 cables), fiber optic cables, and other mediums.
NEW QUESTION # 136
Which of the following is a data protection technique that involves the transformation of data into a format that is unreadable to unauthorized users?
- A. Authentication
- B. Encryption
- C. Firewall
- D. Intrusion Detection System
Answer: B
Explanation:
Option 1: Incorrect. Authentication refers to the process of verifying the identity of a user or system.
Option 2: Correct. Encryption is a data protection technique that transforms data into a format that is unreadable to unauthorized users. It provides confidentiality and ensures that even if the data is intercepted, it cannot be easily understood.
Option 3: Incorrect. A firewall is a network security device that monitors and filters incoming and outgoing network traffic based on predetermined security rules.
Option 4: Incorrect. An Intrusion Detection System (IDS) is a security tool that monitors network traffic for suspicious activity or violations of security policies.
NEW QUESTION # 137
What is the purpose of backup in the context of disaster recovery and business continuity?
- A. To create a secondary copy of data for future restoration purposes
- B. To monitor and identify potential risks and threats to critical systems
- C. To replicate data in real-time for immediate failover during a disaster event
- D. To ensure physical security of data storage facilities
Answer: A
Explanation:
Backup refers to the process of creating and storing a secondary copy of data to be used for restoration purposes in the event of data loss or system failure. It serves as a safeguard against data corruption, accidental deletion, hardware failure, or any other event that may result in the loss of important information.
NEW QUESTION # 138
Which of the following best describes network security?
- A. Ensuring high availability and performance of the network
- B. Protecting data from unauthorized access or modifications
- C. Securing physical access to network devices
- D. Preventing network configuration errors
Answer: B
Explanation:
Network security is the practice of protecting data in a network from unauthorized access, modifications, or attacks. It involves implementing various security measures such as access control, encryption, firewalls, and intrusion prevention systems.
NEW QUESTION # 139
Which of the following is true regarding the incident response process?
- A. It is a one-time process that is only performed when an organization first establishes its security program.
- B. It is an iterative process that involves continuous improvement based on lessons learned.
- C. It is a proactive process that focuses on preventing incidents from occurring.
- D. It is a reactive process that is only initiated after an incident has occurred.
Answer: B
Explanation:
Option 1: Incorrect. The incident response process can be both proactive and reactive. While it does involve reacting to incidents that have already occurred, it also includes proactive measures to prevent incidents from happening again in the future.
Option 2: Incorrect. While incident response can involve proactive measures to prevent incidents, it is not solely focused on prevention. It also includes reacting to incidents that have already occurred.
Option 3: Correct. The incident response process is an iterative process that involves continuous improvement based on lessons learned. Organizations should regularly review and update their incident response plans to ensure they are effective and up to date.
Option 4: Incorrect. The incident response process is not a one-time process. It should be an ongoing and continuous process to address security incidents as they occur and to improve the incident response capabilities of the organization.
NEW QUESTION # 140
Which of the following is NOT a typical phase of the planning process in cybersecurity?
- A. Policy development
- B. Vulnerability scanning
- C. Risk assessment
- D. Incident response planning
Answer: B
Explanation:
The planning process in cybersecurity typically includes several phases, such as risk assessment, policy development, and incident response planning. Vulnerability scanning, although an important activity in cybersecurity, is considered a technical control rather than a specific phase of the planning process.
NEW QUESTION # 141
Which of the following logging mechanisms is commonly used in Windows environments to monitor system and application events?
- A. Audit logs
- B. System and application logs
- C. Event Viewer
- D. Syslog
Answer: C
Explanation:
The Event Viewer is a built-in tool in Windows operating systems that allows administrators to view and analyze logs of system and application events. It provides a central location for managing and reviewing various types of logs, including security, application, and system logs.
NEW QUESTION # 142
Which of the following is a key element of management in cybersecurity?
- A. Network vulnerability scanning
- B. Incident response planning
- C. Firewall configuration
- D. Intrusion detection system deployment
Answer: B
Explanation:
Incident response planning is a critical component of management in cybersecurity. It involves developing a detailed plan to identify, respond to, and recover from security incidents. This ensures that any security breaches or attacks are handled effectively, minimizing the impact on the organization's systems and data.
NEW QUESTION # 143
How can the preservation of evidence be ensured during a cybersecurity investigation?
- A. Implementing strong network security controls.
- B. Utilizing forensic imaging tools for data collection.
- C. Conducting a thorough analysis of network logs.
- D. Documenting the investigation process.
Answer: B
Explanation:
Preservation of evidence is a critical aspect of a cybersecurity investigation to maintain the integrity and admissibility of collected evidence. Utilizing forensic imaging tools allows investigators to create exact copies or replicas of storage devices, preserving the original content without modification. These copies can then be used for analysis, ensuring that the original evidence is not altered or tampered with during the investigation process.
NEW QUESTION # 144
Which of the following is a key role of a Cisco Certified Support Technician (CCST) in cybersecurity?
- A. Designing user interfaces
- B. Developing software applications
- C. Managing network infrastructure
- D. Conducting penetration testing
Answer: C
Explanation:
A CCST in cybersecurity is primarily responsible for managing and maintaining network infrastructure to ensure the security of data and systems. They handle tasks such as monitoring network traffic, configuring firewalls, implementing security protocols, and troubleshooting network vulnerabilities.
NEW QUESTION # 145
Which of the following is a limitation of vulnerability databases?
- A. They provide real-time information on emerging threats.
- B. They require minimal human effort for maintaining and updating.
- C. They may not include vulnerabilities discovered by malicious actors.
- D. They cover all known vulnerabilities in every software and hardware.
Answer: C
Explanation:
Vulnerability databases are an essential resource for cybersecurity professionals to stay informed about known vulnerabilities. However, these databases primarily rely on information shared by vendors, security researchers, and ethical hackers. Malicious actors, who may discover vulnerabilities independently, may not disclose them in such databases. Therefore, it is crucial to adopt a well-rounded approach to vulnerability management and consider potential undisclosed vulnerabilities.
NEW QUESTION # 146
What is the purpose of a VPN?
- A. To authenticate users
- B. To detect network vulnerabilities
- C. To block unauthorized access
- D. To encrypt network traffic
Answer: D
Explanation:
A VPN (Virtual Private Network) is used to create a secure connection between a user's device and a private network, such as a corporate network or the internet. It encrypts the data that is transmitted between the user and the network, ensuring that even if intercepted, the data is unreadable by unauthorized individuals.
NEW QUESTION # 147
What is the purpose of encryption in network security?
- A. To authenticate and authorize users
- B. To protect the confidentiality and integrity of data during transmission
- C. To prevent unauthorized physical access to network devices
- D. To monitor and detect network attacks
Answer: B
Explanation:
Encryption is the process of transforming data into an unintelligible form (ciphertext) to protect its confidentiality and integrity during transmission. It ensures that even if the data is intercepted, it cannot be understood or modified without the encryption key. Encryption helps in safeguarding sensitive information from unauthorized access and tampering.
NEW QUESTION # 148
What are anomalies in the context of cybersecurity?
- A. Security vulnerabilities in computer networks
- B. External threats that aim to breach an organization's defenses
- C. Unusual behaviors or patterns that deviate from the norm
- D. Malware that infects a system and causes it to malfunction
Answer: C
Explanation:
Anomalies in the context of cybersecurity refer to unusual behaviors or patterns that deviate from the norm. These anomalies can indicate potential security breaches, malicious activities, or abnormal system behaviors. By detecting and analyzing anomalies, cybersecurity professionals can identify potential threats and take appropriate actions to mitigate them. Anomaly detection is an important aspect of cybersecurity to ensure the overall safety and protection of computer systems and networks.
NEW QUESTION # 149
Which of the following best describes social engineering?
- A. A network security protocol
- B. A physical security control
- C. A method of manipulating individuals to disclose sensitive information
- D. A type of malware attack
Answer: C
Explanation:
Social engineering refers to the practice of manipulating and deceiving individuals into revealing sensitive information or performing certain actions that may compromise security. It involves exploiting human psychology and trust to gain unauthorized access to systems or obtain confidential information. Social engineering tactics can include phishing emails, impersonation, pretexting, or other forms of manipulation to trick individuals into divulging passwords, account numbers, or other confidential data.
NEW QUESTION # 150
Which of the following is a key principle of access management?
- A. Providing open and unrestricted access to all users
- B. Implementing least privilege and need-to-know principles
- C. Granting access based solely on job titles
- D. Using the same access controls for all types of resources
Answer: B
Explanation:
Access management is the process of controlling and managing user access to resources based on the principles of least privilege and need-to-know. The principle of least privilege ensures that users are only granted the minimum level of access necessary to perform their specific tasks, reducing the risk of unauthorized access or privilege escalation. The need-to-know principle restricts access to sensitive information only to authorized individuals who require it for their job responsibilities. These principles contribute to a strong access control system by ensuring that access is only granted to those who genuinely need it and minimizing the potential for unauthorized access or data breaches.
NEW QUESTION # 151
Which of the following is a principle of data security?
- A. Encryption
- B. Firewall
- C. Data Masking
- D. Intrusion Detection System
Answer: A
Explanation:
Option 1: Correct. Encryption is a principle of data security that involves converting data into a form that is unreadable by unauthorized users. This helps protect the confidentiality of data.
Option 2: Incorrect. A firewall is a network security device that monitors and filters incoming and outgoing network traffic based on predetermined security rules. While it plays a role in data security, it is not a principle of data security.
Option 3: Incorrect. An Intrusion Detection System (IDS) is a device or software application that monitors network or system activities for malicious activities or policy violations and produces reports. While it plays a role in data security, it is not a principle of data security.
Option 4: Incorrect. Data masking is a technique that replaces sensitive data with fictitious data to protect the privacy of data. While it plays a role in data security, it is not a principle of data security.
NEW QUESTION # 152
What is the main purpose of risk management in the context of cybersecurity?
- A. To eliminate all possible risks to an organization's cybersecurity.
- B. To identify and prioritize potential cybersecurity risks for effective mitigation.
- C. To ignore potential cybersecurity risks to minimize costs.
- D. To transfer all cybersecurity risks to a third-party vendor.
Answer: B
Explanation:
The main purpose of risk management in the context of cybersecurity is to identify and prioritize potential risks associated with a system, network, or application. By understanding the risks, organizations can develop effective mitigation strategies and allocate resources accordingly. Risk management involves assessing the likelihood and impact of potential risks, determining their significance to the organization, and implementing appropriate controls to mitigate or reduce those risks to an acceptable level.
NEW QUESTION # 153
Vulnerability refers to:
- A. The exploitation of a vulnerability by a threat.
- B. The likelihood of a security incident occurring.
- C. The degree to which a threat is capable of causing damage.
- D. The potential for loss or harm as a result of a threat exploiting a vulnerability.
Answer: A
Explanation:
Vulnerability refers to a weakness or flaw in a system that can be exploited by a threat. It is the state of being exposed to the possibility of being attacked or harmed.
NEW QUESTION # 154
Which of the following features help to secure a wireless SoHo network from unauthorized access?
- A. Weak encryption
- B. Default admin credentials
- C. SSID broadcast
- D. MAC filtering
Answer: D
NEW QUESTION # 155
What is a common vulnerability in Internet of Things (IoT) devices?
- A. Lack of user access controls and authentication mechanisms.
- B. Insufficient physical security measures.
- C. All of the above.
- D. Weak encryption protocols used for data transmission.
Answer: C
Explanation:
IoT devices often suffer from multiple vulnerabilities. Weak encryption protocols make data transmission susceptible to interception and unauthorized access. Insufficient physical security measures can result in the theft or compromise of the device itself. Furthermore, the lack of user access controls and authentication mechanisms can allow unauthorized individuals to infiltrate and manipulate IoT devices.
NEW QUESTION # 156
What is vishing?
- A. A form of social engineering attack that uses voice or telephone calls to trick victims into revealing sensitive information.
- B. A cyber attack where an attacker manipulates and deceives an individual to reveal sensitive information.
- C. A physical attack where an unauthorized person gains entry to a restricted area by following closely behind an authorized person.
- D. A type of phishing attack that targets specific individuals or organizations.
Answer: A
Explanation:
Vishing, which stands for voice phishing, involves using voice or telephone calls to deceive and manipulate individuals into revealing sensitive information. The attacker may pretend to be a legitimate entity, such as a bank representative, and persuade the victim to provide personal or financial details over the phone. Vishing exploits the trust people often have in phone calls and can be used in combination with other attacks.
NEW QUESTION # 157
Which encryption method provides the highest level of security for a wireless SoHo network?
- A. WEP
- B. WPA
- C. WPA2
- D. TKIP
Answer: C
Explanation:
WPA2 (Wi-Fi Protected Access 2) is currently the most secure encryption method for wireless networks. It uses the Advanced Encryption Standard (AES) algorithm, which provides a high level of protection against unauthorized access. WEP (Wired Equivalent Privacy) is an older encryption method that is considered weak and easily crackable. WPA (Wi-Fi Protected Access) is an improvement over WEP but still has some vulnerabilities. TKIP (Temporal Key Integrity Protocol) is an older encryption method used with WPA that has also been found to have security weaknesses. Therefore, the correct answer is WPA2.
NEW QUESTION # 158
Which of the following is a preventive control that can help in reducing the risk of future incidents?
- A. Conducting periodic employee training on incident response
- B. Creating secure backups of critical data
- C. Regularly updating antivirus signatures
- D. Implementing strong access controls and authentication mechanisms
Answer: D
Explanation:
Implementing strong access controls and authentication mechanisms is a preventive control that can help reduce the risk of future incidents. By ensuring that only authorized individuals have access to systems and data, the likelihood of unauthorized access or malicious activity is minimized. While regularly updating antivirus signatures, conducting employee training, and creating secure backups are also important preventive measures, the focus here is on access controls and authentication mechanisms.
NEW QUESTION # 159
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