Which type of security attack would attempt a buffer overflow? Explanation: Denial of service (DoS) attacks attempt to disrupt service on the network by either sending a particular device an overwhelming amount of data so no other devices can access the attacked device or by sending malformed packets.
Consequently, why would a rootkit be used by a hacker CCNA?
Explanation: Hackers use rootkits to avoid detection as well as hide any software installed by the hacker.
One may also ask, what is the primary goal of a DoS attack CCNA? A denial of service (DoS) attack attempts to overwhelm a system or process by sending large amounts of data or requests to the target. The goal is to keep the system so overwhelmed handling false requests that it is unable to respond to legitimate ones.
Keeping this in consideration, what causes a buffer overflow CCNA?
sending repeated connections such as Telnet to a particular device, thus denying other data sources.
What are two methods used by cybercriminals to mask DNS attacks choose two?
(Choose two.) Explanation: Fast flux, double IP flux, and domain generation algorithms are used by cybercrimals to attack DNS servers and affect DNS services.
What are two security implementations that use biometrics?
What are two security implementations that use biometrics? (Choose two.)- voice recognition.
- fob.
- phone.
- fingerprint.
- credit card. Explanation: Biometric authentication can be used through the use of a fingerprint, palm print, and facial or voice recognition.
What are two evasion methods used by hackers?
What are two evasion methods used by hackers? ( Choose two.)- encryption.
- phishing.
- access attack.
- resource exhaustion.
- scanning. Explanation: The following methods are used by hackers to avoid detection:Encryption and tunneling – hide or scramble the malware content.
What is an example of cyber kill chain?
The actual model, the Cyber Kill Chain framework, was developed by Lockheed Martin and is used for identification and prevention of cyber intrusions. The actual steps in a kill chain trace the typical stages of a cyber attack from early reconnaissance to completion where the intruder achieves the cyber intrusion.What is the purpose of a rootkit?
A rootkit is a malicious software that allows an unauthorized user to have privileged access to a computer and to restricted areas of its software. A rootkit may contain a number of malicious tools such as keyloggers, banking credential stealers, password stealers, antivirus disablers, and bots for DDoS attacks.What is the main purpose of cyberwarfare?
Cyberwarfare refers to the use of digital attacks -- like computer viruses and hacking -- by one country to disrupt the vital computer systems of another, with the aim of creating damage, death and destruction.What are three methods that can be used to ensure confidentiality of information choose three?
What are three methods that can be used to ensure confidentiality of information? (Choose three.)- data encryption.
- backup.
- file permission settings.
- username ID and password.
- two factor authentication.
- version control. Explanation:
What is the most common goal of search engine optimization SEO poisoning?
What is the most common goal of search engine optimization (SEO) poisoning? A malicious user could create a SEO so that a malicious website appears higher in search results. The malicious website commonly contains malware or is used to obtain information via social engineering techniques.What is the primary means for mitigating virus and Trojan horse attacks?
A virus has infected the computers. What is the primary means for mitigating virus and Trojan horse attacks? antivirus software. Antivirus software can prevent viruses from entering the network.What are three techniques used in social engineering attacks choose three?
What are three techniques used in social engineering attacks? (Choose three.)- buffer overflow.
- vishing.
- phishing.
- man-in-the-middle.
- pretexting.
- sending junk email. Explanation: Phishing is an attempt to get a user to divulge information. Vishing is a type of phishing that uses voice and the phone system.
What is the first step in the risk management process specified by the ISO IEC?
What is the first step in the risk management process specified by the ISO/IEC? Conduct a risk assessment. Create a security policy. Inventory and classify IT assets.Why is authentication with AAA preferred over a local database method?
Why is authentication with AAA preferred over a local database method? It uses less network bandwidth. It specifies a different password for each line or port. It requires a login and password combination on the console, vty lines, and aux ports.What is a requirement to use the Secure Copy Protocol feature?
What is a requirement to use the Secure Copy Protocol feature?- The Telnet protocol has to be configured on the SCP server side.
- A transfer can only originate from SCP clients that are routers.
- At least one user with privilege level 1 has to be configured for local authentication.
