Free Cisco 100-160 Exam 2025 Practice Materials Collection
100-160 Exam Info and Free Practice Test All-in-One Exam Guide Dec-2025
Cisco 100-160 Exam Syllabus Topics:
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NEW QUESTION # 11
Which of the following describes the purpose of a VPN (Virtual Private Network)?
- A. To control and filter network traffic based on predefined policies
- B. To improve network performance and reduce latency
- C. To segment a network into multiple smaller networks
- D. To provide secure remote access to a private network over the internet
Answer: D
Explanation:
A VPN (Virtual Private Network) is a technology that enables secure and encrypted communication over a public network, such as the internet. It allows users to establish a secure connection to a private network from remote locations. By encrypting the communication, a VPN ensures confidentiality and integrity of the data transmitted between the remote user and the private network, making it a suitable solution for secure remote access.
NEW QUESTION # 12
Which protocol is used for communication between web browsers and web servers?
- A. UDP
- B. TCP
- C. ICMP
- D. HTTP
Answer: D
Explanation:
HTTP (Hypertext Transfer Protocol) is the protocol used for communication between web browsers (client) and web servers. It allows for the exchange of hypertext, which includes text, images, and other resources, over the Internet. HTTP operates on top of TCP, ensuring reliable delivery of data.
NEW QUESTION # 13
How can vulnerabilities be discovered in a network or system?
- A. By monitoring network traffic.
- B. By using firewalls and antivirus software.
- C. By implementing strong cryptographic protocols.
- D. By conducting penetration testing.
Answer: D
Explanation:
Penetration testing, also known as ethical hacking, is a method used to discover vulnerabilities in a network or system. It involves simulating an attack on the system to identify weaknesses and potential entry points for attackers. Penetration testing can help organizations uncover vulnerabilities before they can be exploited by malicious actors.
NEW QUESTION # 14
Which of the following scanning techniques is considered non-intrusive?
- A. Vulnerability scanning
- B. Penetration testing
- C. Network mapping
- D. Port scanning
Answer: C
Explanation:
Network mapping is a non-intrusive scanning technique used to discover and gather information about network devices, their IP addresses, and their interconnections. It focuses on identifying the network topology and does not involve actively examining the vulnerabilities or attempting to exploit them. Network mapping is primarily used for network documentation, planning, and troubleshooting purposes.
NEW QUESTION # 15
Which approach to risk management involves accepting the potential risk and not taking any specific action to mitigate it?
- A. Risk transfer.
- B. Risk mitigation.
- C. Risk avoidance.
- D. Risk acceptance.
Answer: D
Explanation:
Risk acceptance is an approach to risk management wherein the potential risk is acknowledged, and a conscious decision is made not to take any specific action to mitigate it. This approach is usually taken when the potential risk is deemed acceptable or when the cost of mitigating the risk outweighs the potential impact.
NEW QUESTION # 16
Which of the following options is an example of a cybersecurity news and subscription service?
- A. SIEM (Security Information and Event Management) system
- B. Email filtering software
- C. VPN (Virtual Private Network)
- D. Firewall
Answer: A
Explanation:
A SIEM system is an example of a cybersecurity news and subscription service. It collects and analyzes security event data from various sources and provides real-time alerts and reports to enhance threat detection and management. It provides valuable insights into the cybersecurity landscape, including news and updates related to security incidents, vulnerabilities, and emerging threats.
NEW QUESTION # 17
Which of the following techniques is commonly used for monitoring security events "as they occur"?
- A. Firewall configuration
- B. Access control lists (ACL)
- C. Vulnerability scanning
- D. Intrusion detection systems (IDS)
Answer: D
Explanation:
Intrusion detection systems (IDS) are commonly used for monitoring security events in real-time. IDS monitors network traffic and system activity, looking for signs of unauthorized access, malicious activities, or anomalous behavior. When an intrusion is detected, the system generates alerts for immediate action and response.
NEW QUESTION # 18
Which of the following is NOT a component of an incident response policy?
- A. Incident handling procedures
- B. Escalation procedures
- C. Roles and responsibilities
- D. Backup and recovery processes
Answer: D
Explanation:
Backup and recovery processes are typically part of an organization's data backup and disaster recovery plan, which is separate from the incident response policy. The incident response policy focuses on defining roles, responsibilities, escalation procedures, and incident handling procedures for responding to cybersecurity incidents.
NEW QUESTION # 19
Which of the following is a common technique used by malware to evade detection?
- A. Frequent system scans and updates
- B. Implementation of strong firewalls
- C. Encryption of communication channels
- D. Continuous monitoring of network traffic
Answer: C
Explanation:
Malware often utilizes encryption techniques to make its communication with command and control servers difficult to detect. Encryption helps in disguising the communication and prevents network security measures from intercepting or analyzing the malicious traffic.
NEW QUESTION # 20
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. Encryption
- B. Intrusion Detection System
- C. Authentication
- D. Firewall
Answer: A
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 # 21
Which network infrastructure component allows for the translation of domain names to IP addresses?
- A. Router
- B. DNS server
- C. Firewall
- D. DHCP server
Answer: B
Explanation:
DNS (Domain Name System) is a network infrastructure component that translates domain names (e.g., www.example.com) into their corresponding IP addresses (e.g., 192.168.1.1). DNS servers maintain a distributed database that maps domain names to IP addresses, allowing users to access websites and other resources using easy-to-remember names instead of complex IP addresses.
NEW QUESTION # 22
Which of the following is true about security policies and procedures?
- A. They should be documented once and never changed.
- B. They should be kept confidential and not shared with employees.
- C. They should be regularly reviewed and updated to reflect changing threats and technologies
- D. They should only be accessible to the IT department.
Answer: C
Explanation:
Option 1: Correct: Security policies and procedures should be regularly reviewed and updated to ensure they align with changing threats and technologies. This helps to maintain the effectiveness of the policies and processes.
Option 2: Incorrect: Security policies and procedures should be accessible to relevant employees and stakeholders, not restricted only to the IT department. It is important for everyone to understand and adhere to the policies and procedures.
Option 3: Incorrect: Security policies and procedures should be regularly updated as needed, not documented once and never changed. The changing threat landscape and evolving technologies necessitate the periodic review and update of security policies and procedures.
Option 4: Incorrect: Security policies and procedures should be communicated and shared with employees to ensure everyone understands and follows them. Keeping them confidential and not sharing them would hinder their effectiveness.
NEW QUESTION # 23
Which of the following is an example of a mitigation strategy in cybersecurity?
- A. Regularly updating software and operating systems
- B. Disabling firewalls and antivirus software
- C. Allowing employees to use personal devices for work purposes
- D. Sharing sensitive data with unauthorized individuals
Answer: A
Explanation:
Regularly updating software and operating systems is a mitigation strategy in cybersecurity. By keeping software and operating systems up to date, organizations can effectively address vulnerabilities and reduce the risk of potential cyber attacks. This practice helps to close known security gaps and prevent attackers from exploiting them.
NEW QUESTION # 24
Which malicious activity is NOT typically associated with cyber attacks?
- A. Phishing
- B. Malware
- C. Data encryption
- D. Denial of Service (DoS)
Answer: C
Explanation:
Data encryption is a security measure used to protect data from unauthorized access. While encryption can be utilized by cyber attackers to make stolen data unreadable, it is not typically considered a malicious activity in itself. Instead, cyber attackers may employ techniques like phishing, denial of service attacks, or distributing malware to carry out their malicious intentions.
NEW QUESTION # 25
Which of the following is a common proactive measure for managing vulnerabilities?
- A. Regularly updating antivirus signatures
- B. Performing regular system backups
- C. Implementing data encryption
- D. Conducting vulnerability assessments
Answer: D
Explanation:
Conducting vulnerability assessments is a proactive measure for managing vulnerabilities. It involves regularly scanning the system or network for vulnerabilities, identifying weaknesses, and prioritizing remediation efforts. By proactively assessing and identifying vulnerabilities, organizations can take necessary actions to mitigate risks and prevent potential exploitation.
NEW QUESTION # 26
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