Why is it necessary to update firmware to the latest version?
Answer(s): C
According to the CCST Cybersecurity Study Guide, firmware updates are a critical security maintenance task because vulnerabilities in firmware can be exploited by attackers to gain persistent control over hardware."Keeping firmware up to date is necessary to patch security vulnerabilities and weaknesses that could be exploited by threat actors. Vendors release firmware updates to correct security flaws, enhance stability, and ensure compatibility with updated security protocols." (CCST Cybersecurity, Endpoint Security Concepts, System and Firmware Maintenance section, Cisco Networking Academy)A is partially true but not the primary security reason for updates. B is incorrect because firmware is not part of the OS kernel; it's embedded in the hardware. C is correct: patching vulnerabilities in firmware is essential for endpoint protection. D may occur as a side benefit, but it's not the main reason from a cybersecurity perspective.
How do threat actors launch ransomware attacks on organizations?
The CCST Cybersecurity course describes ransomware as a form of malicious software that encrypts or locks access to an organization's data, demanding payment for its release. "Ransomware is a type of malware that denies access to data by encrypting it and demands payment from the victim to restore access. Threat actors may deliver ransomware through phishing emails, malicious downloads, or exploiting vulnerabilities in exposed systems." (CCST Cybersecurity, Essential Security Principles, Malware Types and Threats section, Cisco Networking Academy)A describes spyware or information-stealing malware. B is website defacement, which is vandalism, not ransomware. C is correct: locking/encrypting data and demanding payment is the defining behavior of ransomware.D is more aligned with insider threat or espionage activities.
Which macOS security feature encrypts the entire macOS volume?
Answer(s): A
The CCST Cybersecurity Study Guide highlights FileVault as the macOS full-disk encryption tool. "FileVault is macOS's built-in full-disk encryption feature. It encrypts the contents of the entire startup disk to help prevent unauthorized access to the information stored on the drive, even if the device is lost or stolen."(CCST Cybersecurity, Endpoint Security Concepts, Disk Encryption section, Cisco Networking Academy)A is correct: FileVault provides complete volume encryption. B (Gatekeeper) controls app installation by verifying code signatures. C (System Integrity Protection) protects system files from modification.D (XProtect) is macOS's built-in malware detection system.
You are reviewing your company's disaster recovery plan. Which two daily data backup actions should the plan include? (Choose 2.)
Answer(s): A,C
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.
Which two passwords follow strong password policy guidelines? (Choose 2.)
Answer(s): A,D
The CCST Cybersecurity course defines a strong password as one that:Is at least 812 characters longUses a mix of uppercase, lowercase, numbers, and symbols Avoids dictionary words, personal information, and predictable patterns"Strong passwords combine length, complexity, and unpredictability, making them resistant to brute force and dictionary attacks."(CCST Cybersecurity, Essential Security Principles, Authentication and Access Control section, Cisco Networking Academy)A is correct: It's long, mixed case, includes numbers and symbols, and is not easily guessable. B is incorrect: It's based on a date, which is predictable. C is incorrect: Short and based on a dictionary word. D is correct: Uses complexity and length with leetspeak for added unpredictability.
Your home network seems to have slowed down considerably. You look at the home router GUI and notice that an unknown host is attached to the network. What should you do to prevent this specific host from attaching to the network again?
Answer(s): B
The CCST Cybersecurity course explains that MAC address filtering is a network access control method that allows only approved device hardware addresses to connect. While not foolproof against spoofing, it can block a specific device from reconnecting to a small home network. "MAC address filtering restricts network access to devices whose unique hardware addresses are explicitly allowed. This can be used to block known unauthorized devices from reconnecting." (CCST Cybersecurity, Basic Network Security Concepts, Wireless Security Controls section, Cisco Networking Academy)A is incorrect: IP ACLs are better for controlling traffic types, not blocking specific devices at the router level.B is correct: It prevents the device's hardware address from reconnecting. C is temporary since the host can get a new IP via DHCP.D may hide the network but will not stop a determined attacker who can still detect it.
HOTSPOTFor each statement, select True if it is a common motivation to commit cyber attacks or False if it is not.Note: You will receive partial credit for each correct selection.
The CCST Cybersecurity Study Guide outlines common motivations for cyberattacks, which include:Financial gainRevenge or personal grievance (e.g., disgruntled employees) Ideological or political purposes (hacktivism)Espionage and intelligence gathering"Cyberattack motivations range from financial and competitive advantage to personal vendettas and advancing political or social causes. Disgruntled insiders may misuse access privileges to harm an organization, while hacktivists target systems to promote social or political messages." (CCST Cybersecurity, Essential Security Principles, Threat Actor Motivations section, Cisco Networking Academy)Being disgruntled at work common insider threat motivation (True) Wanting to protect personal data defensive action, not a reason to commit an attack (False) Wanting to advance a social agenda hacktivist motivation (True)
What should you create to prevent spoofing of the internal network?
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.
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admin guide (windows) respond to malicious causality chains. when the cortex xdr agent identifies a remote network connection that attempts to perform malicious activity—such as encrypting endpoint files—the agent can automatically block the ip address to close all existing communication and block new connections from this ip address to the endpoint. when cortex xdrblocks an ip address per endpoint, that address remains blocked throughout all agent profiles and policies, including any host-firewall policy rules. you can view the list of all blocked ip addresses per endpoint from the action center, as well as unblock them to re-enable communication as appropriate. this module is supported with cortex xdr agent 7.3.0 and later. select the action mode to take when the cortex xdr agent detects remote malicious causality chains: enabled (default)—terminate connection and block ip address of the remote connection. disabled—do not block remote ip addresses. to allow specific and known s
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