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NEW QUESTION # 195
Which of the following encryption algorithms is considered strong?
- A. DES
- B. MD5
- C. ROT13
- D. RSA
Answer: D
Explanation:
RSA is considered a strong encryption algorithm because it uses asymmetric encryption, which means it uses different keys for encryption and decryption. RSA is widely used in secure communication protocols and provides a high level of security.
NEW QUESTION # 196
What is the purpose of a firewall in a network security infrastructure?
- A. To monitor and filter incoming and outgoing network traffic.
- B. To protect against hardware failures and provide redundancy.
- C. To authenticate users and control access to a network.
- D. To encrypt data transmitted over the network.
Answer: A
Explanation:
A firewall is a network security device that monitors and filters network traffic based on a set of predefined rules. It acts as a barrier between an internal network and external networks, allowing or blocking traffic based on specific criteria, such as source IP address, destination port, protocol, etc.
NEW QUESTION # 197
An administrator wants to ensure that any files downloaded from the internet are automatically scanned for malicious code before execution. Which security control should be implemented?
- A. Host-based firewall
- B. Patch management system
- C. Anti-malware with real-time protection
- D. VPN client
Answer: C
Explanation:
According to the CCST Cybersecurity course, anti-malware solutions with real-time protection scan files as they are downloaded or opened, blocking malicious code before it runs.
"Real-time protection automatically inspects files, applications, and scripts as they are accessed or downloaded, preventing execution of malicious code." (CCST Cybersecurity, Endpoint Security Concepts, Malware Protection section, Cisco Networking Academy)
NEW QUESTION # 198
Which of the following is an example of a private IP address?
- A. 203.0.113.0
- B. 198.51.100.0
- C. 169.254.0.1
- D. 172.16.0.0
Answer: D
Explanation:
Among the given options, 172.16.0.0 is an example of a private IP address. It falls within the range of private IP addresses defined by RFC 1918, specifically the Class B private address range 172.16.0.0 - 172.31.255.255, which is commonly used for internal networks.
NEW QUESTION # 199
Which of the following best defines the concept of preserving digital evidence?
- A. Encrypting the digital evidence to prevent unauthorized access.
- B. Making an exact copy of the digital evidence for analysis.
- C. Destroying digital evidence after analysis to save storage space.
- D. Gathering all digital evidence in a physical location.
Answer: B
Explanation:
Preserving digital evidence involves creating an exact copy of the original evidence to be used for analysis. This ensures that the original evidence remains intact and uncontaminated, while allowing investigators to work with a replicated version. It is crucial to prevent any modifications to the original evidence, as any changes can compromise the accuracy and integrity of the investigation.
NEW QUESTION # 200
A restaurant installs a second wireless router that only employees can use.
Which statement describes how to securely configure the new router?
- A. Configure the SSID with broadcast disabled.
- B. Configure the SSID with the same SSID used by the customer router.
- C. Configure the new router to filter IP addresses.
- D. Configure a higher signal strength to allow coverage in the parking lot.
Answer: A
Explanation:
The CCST Cybersecurity Study Guide explains that disabling SSID broadcast hides the network from casual scanning, adding a layer of obscurity. While not a complete security measure, when combined with WPA2/WPA3 encryption and strong passwords, it can help protect private wireless networks, especially in environments with separate employee and guest access.
"Disabling SSID broadcast can reduce the visibility of a wireless network, making it less likely to be detected by casual attackers. This should be combined with strong encryption and authentication." (CCST Cybersecurity, Basic Network Security Concepts, Wireless Security section, Cisco Networking Academy) A (IP filtering) provides limited protection and is harder to manage for employee devices.
B is correct: Disabling SSID broadcast adds an extra layer of obscurity for the employee network.
C would make the network easier to access from outside the premises, which is less secure.
D would cause network conflicts and make segmentation impossible.
NEW QUESTION # 201
You are reviewing your company's disaster recovery plan.
Which two daily data backup actions should the plan include? (Choose 2.)
- A. Back up the data by using cloud services.
- B. Back up the data by using RAID on a local external hard drive with a secondary power source.
- C. Back up each department's data to a separate local server.
- D. Back up the data to removable media and store it off-site.
Answer: A,D
Explanation:
The CCST Cybersecurity Study Guide emphasizes that backups should be stored off-site or in the cloud to ensure recovery even if the primary location is damaged or compromised.
"A comprehensive disaster recovery plan includes performing regular backups and ensuring copies are stored in locations not subject to the same physical risks as the primary site. Off-site storage and cloud-based backups provide resilience against local disasters." (CCST Cybersecurity, Essential Security Principles, Backup and Disaster Recovery section, Cisco Networking Academy) A is correct: Off-site removable media ensures recovery even if the main site is destroyed.
B is incorrect: Local-only backups are vulnerable to the same risks as production systems.
C is correct: Cloud services provide geographically separate storage with automated redundancy.
D is incorrect: RAID is for hardware fault tolerance, not a complete backup solution.
NEW QUESTION # 202
During a vulnerability assessment, what is the purpose of making recommendations?
- A. To justify the need for additional cybersecurity resources.
- B. To allocate responsibility for fixing the vulnerabilities.
- C. To obtain management approval for security measures.
- D. To mitigate identified vulnerabilities.
Answer: D
Explanation:
The purpose of making recommendations during a vulnerability assessment is to provide guidance on how to mitigate or fix the identified vulnerabilities. These recommendations may include suggested actions, such as applying patches, updating configurations, or implementing additional security controls.
NEW QUESTION # 203
During a cybersecurity investigation, a log entry states, "Unauthorized access attempt blocked from IP address 123.45.67.89." What can be inferred from this log entry?
- A. The system successfully prevented an unauthorized access attempt from a specific IP address.
- B. The system was compromised due to an unauthorized access attempt from IP address 123.45.67.89.
- C. The system experienced a denial-of-service attack from IP address 123.45.67.89.
- D. The system detected suspicious traffic from IP address 123.45.67.89 for further investigation.
Answer: A
Explanation:
The log entry clearly states that the system blocked an unauthorized access attempt from a specific IP address, indicating that a security measure or mechanism successfully prevented the unauthorized access. This is a positive outcome for the system as it shows effective defense against potential threats.
NEW QUESTION # 204
You are going to perform a penetration test on a company LAN. As part of your preparation, you access the company's websites, view webpage source code, and run internet searches to uncover domain information. You also use social media to gather details about the company and its employees.
Which type of reconnaissance activities are you performing?
- A. Passive
- B. Offline
- C. Invasive
- D. Active
Answer: A
Explanation:
The CCST Cybersecurity Study Guide explains that reconnaissance is the process of collecting information about a target before attempting exploitation.
"Passive reconnaissance is conducted without directly engaging with the target systems. Examples include reviewing public websites, examining HTML source code, querying public DNS records, and using social media to gather information. Since no packets are sent directly to the target system, it reduces the risk of detection." (CCST Cybersecurity, Vulnerability Assessment and Risk Management, Reconnaissance Techniques section, Cisco Networking Academy) Passive (A) is correct because all actions described - viewing public pages, searching online, and checking social media - involve no direct interaction that could alert the target.
Active (B) would involve direct probing, like port scans or vulnerability scans.
Offline (C) is not an official reconnaissance classification in this context.
Invasive (D) is a general term and not used as a standard reconnaissance category in CCST material.
NEW QUESTION # 205
You need to design your company's password policy to adhere to the National Institute of Standards and Technology (NIST) guidelines for user password security.
What is the minimum password length that you should require to be consistent with the NIST guidelines?
- A. 8 characters
- B. 4 characters
- C. No minimum length
- D. 16 characters
Answer: A
Explanation:
According to the CCST Cybersecurity course, NIST guidelines (SP 800-63B) recommend a minimum password length of 8 characters for user-generated passwords, without requiring overly complex composition rules, but encouraging longer passphrases for increased security.
"NIST guidelines specify that user-generated passwords must be at least 8 characters in length, and systems should allow passwords up to at least 64 characters." (CCST Cybersecurity, Essential Security Principles, Authentication Best Practices section, Cisco Networking Academy)
NEW QUESTION # 206
Which threat intelligence technique involves utilizing known patterns or characteristics of threats to identify and block them?
- A. Indicators of Compromise (IoCs)
- B. Signature-based Detection
- C. Reputation-based Detection
- D. Anomaly-based Detection
Answer: B
Explanation:
Signature-based detection relies on identifying known patterns, signatures, or characteristics of threats.
It uses these signatures to detect and block potential threats in network traffic.
NEW QUESTION # 207
What does an Intrusion Detection System (IDS) do in endpoint security?
- A. Prevents unauthorized access to the endpoint
- B. Encrypts the data transmitted between the endpoint and the network
- C. Identifies and blocks malware on the endpoint
- D. Detects and alerts on suspicious activities on the endpoint
Answer: D
Explanation:
An Intrusion Detection System (IDS) is designed to detect and alert on suspicious activities that may indicate a security breach or an attack on the endpoint. IDS monitors various aspects of the endpoint, such as network traffic, system logs, and behavior patterns, to identify potential threats and security incidents. When suspicious activities are detected, the IDS generates alerts that can be used by security personnel to investigate and respond to the potential threats.
NEW QUESTION # 208
What is the primary reason for implementing multi-factor authentication in a cloud environment?
- A. To reduce costs
- B. To provide an additional layer of security
- C. To simplify the authentication process
- D. To improve performance
Answer: B
Explanation:
Option 1: Correct. Implementing multi-factor authentication provides an additional layer of security by requiring users to provide multiple forms of authentication to access cloud resources.
Option 2: Incorrect. The primary reason for implementing multi-factor authentication is to provide an additional layer of security, not to simplify the authentication process.
Option 3: Incorrect. The primary reason for implementing multi-factor authentication is to provide an additional layer of security, not to reduce costs.
Option 4: Incorrect. The primary reason for implementing multi-factor authentication is to provide an additional layer of security, not to improve performance.
NEW QUESTION # 209
Which technology is responsible for managing cryptographic keys, digital certificates, and providing other security-related services?
- A. Virtual Private Network (VPN)
- B. Intrusion Detection System (IDS)
- C. Firewall
- D. Public Key Infrastructure (PKI)
Answer: D
Explanation:
Public Key Infrastructure (PKI) is a framework of hardware, software, policies, and procedures used to manage the generation, storage, distribution, and revocation of digital certificates and encryption keys. PKI provides important security services such as authentication, encryption, and integrity checking. It enables secure communication, verifies the trustworthiness of digital identities, and ensures the confidentiality and integrity of data exchanged between parties.
NEW QUESTION # 210
What is encryption?
- A. A process of converting plaintext into binary code to enhance data accessibility
- B. A process of converting binary code into plaintext to improve data reliability
- C. A process of converting ciphertext into plaintext to secure data integrity
- D. A process of converting plaintext into ciphertext to protect data confidentiality
Answer: D
Explanation:
Encryption is the process of converting plaintext (original data) into a coded or unreadable format known as ciphertext. This ensures that if the data is intercepted or accessed by unauthorized individuals, they would not be able to understand the information without the appropriate decryption key. Encryption is used to protect the confidentiality and privacy of sensitive data during transmission or storage.
NEW QUESTION # 211
Which type of encryption algorithm uses two different keys: a public key for encryption and a private key for decryption?
- A. Hashing algorithm
- B. Symmetric encryption
- C. Asymmetric encryption
- D. HMAC algorithm
Answer: C
Explanation:
Asymmetric encryption, also known as public-key encryption, uses a pair of keys: a public key and a private key. The public key is used for encryption, while the private key is used for decryption. This allows for secure communication over an insecure channel, as the public key can be shared freely without compromising the security of the message.
NEW QUESTION # 212
What type of encryption is used to secure data that is stored on a hard drive or other storage media?
- A. Public Key Infrastructure (PKI)
- B. Symmetric encryption
- C. Hash encryption
- D. File-based encryption
Answer: B
Explanation:
Symmetric encryption is a type of encryption where the same key is used for both the encryption and decryption processes. It is commonly employed to secure data at rest, such as on a hard drive or other storage media. With symmetric encryption, the key must be kept secret to ensure the confidentiality of the encrypted data.
NEW QUESTION # 213
What should you create to prevent spoofing of the internal network?
- A. A NAT rule
- B. A record in the host file
- C. An ACL
- D. A DNS record
Answer: C
Explanation:
The CCST Cybersecurity Study Guide states that Access Control Lists (ACLs) can be used to filter traffic based on IP addresses and block packets that appear to originate from the internal network but arrive from external interfaces (IP spoofing).
"ACLs can prevent spoofing by dropping traffic from external sources that claim to have an internal source address. Configuring ACLs on the perimeter firewall or router is a common countermeasure for IP spoofing." (CCST Cybersecurity, Basic Network Security Concepts, ACLs and Traffic Filtering section, Cisco Networking Academy) A (NAT rule) changes IP addresses but does not inherently prevent spoofing.
B (ACL) is correct because it can enforce anti-spoofing filters.
C (host file) only affects name resolution locally.
D (DNS record) is for domain mapping, not spoofing prevention.
NEW QUESTION # 214
Which of the following is an example of personally identifiable information (PII)?
- A. IP address
- B. Employee ID number
- C. Browser history
- D. Birthdate
Answer: D
Explanation:
Personally identifiable information (PII) refers to any data that can be used to identify an individual.
Birthdate is considered PII as it can be used to pinpoint a specific person.
NEW QUESTION # 215
What is the primary purpose of a cybersecurity risk assessment?
- A. To determine the likelihood of a cybersecurity incident occurring
- B. To prioritize security controls and mitigation strategies
- C. To quantify the potential impact of a cybersecurity incident
- D. To identify vulnerabilities in information systems
Answer: B
Explanation:
A cybersecurity risk assessment is conducted to identify and assess potential risks to the organization's information systems. This assessment helps in prioritizing security controls and mitigation strategies based on the likelihood and potential impact of each risk. It enables organizations to allocate resources effectively and address the most critical risks first.
NEW QUESTION # 216
Which encryption algorithm is commonly used for securing wireless network communication?
- A. DES
- B. SSL
- C. RC4
- D. AES
Answer: D
Explanation:
AES (Advanced Encryption Standard) is widely used for securing wireless network communications. It is considered a strong and secure symmetric encryption algorithm that provides confidentiality and data integrity in wireless networks. AES has become the standard encryption algorithm for securing Wi-Fi networks (WPA2).
NEW QUESTION # 217
Which technology is responsible for monitoring network traffic and identifying potential threats?
- A. IDS
- B. Firewall
- C. IPS
- D. Server
Answer: A
Explanation:
An Intrusion Detection System (IDS) is a technology that monitors network traffic and analyzes it for potential security breaches or vulnerabilities. It detects and alerts administrators to any suspicious activity, allowing them to take appropriate actions to mitigate potential threats.
NEW QUESTION # 218
Which of the following practices help in preserving the physical integrity of digital evidence?
- A. Storing the evidence in a cold, damp environment.
- B. Cleaning the evidence using chemical solvents.
- C. Using non-conductive gloves when handling the evidence.
- D. Leaving the evidence exposed to natural light.
Answer: C
Explanation:
Preserving the physical integrity of digital evidence is essential to prevent contamination or damage. Using non-conductive gloves is one such practice as it prevents the transfer of oils, dirt, or other substances that could potentially damage or alter the evidence. This helps to maintain the integrity of the evidence and ensures that any potential traces or fingerprints left on the evidence are not compromised.
NEW QUESTION # 219
What is the primary objective of identifying vulnerabilities in cybersecurity?
- A. To enhance the performance of a network or system.
- B. To fix and eliminate weaknesses in a network or system.
- C. To develop efficient attack methods.
- D. To keep the existence of vulnerabilities hidden from attackers.
Answer: B
Explanation:
The primary objective of identifying vulnerabilities in cybersecurity is to identify weaknesses or flaws in a network or system in order to fix and eliminate them. By addressing vulnerabilities, organizations can enhance the security of their networks and systems, reducing the risk of unauthorized access or data breaches.
NEW QUESTION # 220
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