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2021 Oct lead2pass sy0-401 vce:

Q441. Which of the following is an example of multifactor authentication? 

A. Credit card and PIN 

B. Username and password 

C. Password and PIN 

D. Fingerprint and retina scan 

Answer: A 

Explanation: 

A credit card is a memory card that functions a type of two-factor authentication. The card is something you have, and its PIN is something you know. Multifactor authentication requires a user to provide two or more different types of authentication factors to prove their identity. 


Q442. Users are encouraged to click on a link in an email to obtain exclusive access to the newest version of a popular Smartphone. This is an example of. 

A. Scarcity 

B. Familiarity 

C. Intimidation 

D. Trust 

Answer: A 

Explanation: 

Scarcity, in the area of social psychology, works much like scarcity in the area of economics. Simply put, humans place a higher value on an object that is scarce, and a lower value on those that are abundant. The thought that we, as humans, want something we cannot have drives us to desire the object even more. This idea is deeply embedded in the intensely popular, “Black Friday” shopping extravaganza that U.S. consumers participate in every year on the day after Thanksgiving. More than getting a bargain on a hot gift idea, shoppers thrive on the competition itself, in obtaining the scarce product. 

In this question, people want the brand new latest version of a smartphone. The temptation of being one of the first to get the new phone will tempt people into clicking the link in the email. 


Q443. Ann, a security administrator at a call center, has been experiencing problems with users intentionally installing unapproved and occasionally malicious software on their computers. Due to the nature of their jobs, Ann cannot change their permissions. Which of the following would BEST alleviate her concerns? 

A. Deploy a HIDS suite on the users' computers to prevent application installation. 

B. Maintain the baseline posture at the highest OS patch level. 

C. Enable the pop-up blockers on the users' browsers to prevent malware. 

D. Create an approved application list and block anything not on it. 

Answer: D 

Explanation: 


Q444. Ann, a security technician, is reviewing the IDS log files. She notices a large number of alerts for multicast packets from the switches on the network. After investigation, she discovers that this is normal activity for her network. Which of the following BEST describes these results? 

A. True negatives 

B. True positives 

C. False positives 

D. False negatives 

Answer: C 

Explanation: 

False positives are essentially events that are mistakenly flagged and are not really events to be concerned about. 


Q445. Which of the following security devices can be replicated on a Linux based computer using IP tables to inspect and properly handle network based traffic? 

A. Sniffer 

B. Router 

C. Firewall 

D. Switch 

Answer: C 

Explanation: 

Ip tables are a user-space application program that allows a system administrator to configure the tables provided by the Linux kernel firewall and the chains and rules it stores. 


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Q446. Which of the following provides the BEST explanation regarding why an organization needs to implement IT security policies? 

A. To ensure that false positives are identified 

B. To ensure that staff conform to the policy 

C. To reduce the organizational risk 

D. To require acceptable usage of IT systems 

Answer: C 

Explanation: 

Once risks has been identified and assessed then there are five possible actions that should be taken. These are: Risk avoidance, Risk transference, Risk mitigation, Risk deterrence and Risk acceptance. Anytime you engage in steps to reduce risk, you are busy with risk mitigation and implementing IT security policy is a risk mitigation strategy. 


Q447. Which of the following security concepts identifies input variables which are then used to perform boundary testing? 

A. Application baseline 

B. Application hardening 

C. Secure coding 

D. Fuzzing 

Answer: D 

Explanation: 

Fuzzing is a software testing technique that involves providing invalid, unexpected, or random data to as inputs to a computer program. The program is then monitored for exceptions such as crashes, or failed validation, or memory leaks. 


Q448. Which of the following is BEST used as a secure replacement for TELNET? 

A. HTTPS 

B. HMAC 

C. GPG 

D. SSH 

Answer: D 

Explanation: 

SSH transmits both authentication traffic and data in a secured encrypted form, whereas Telnet transmits both authentication credentials and data in clear text. 


Q449. A systems administrator has implemented PKI on a classified government network. In the event that a disconnect occurs from the primary CA, which of the following should be accessible locally from every site to ensure users with bad certificates cannot gain access to the network? 

A. A CRL 

B. Make the RA available 

C. A verification authority 

D. A redundant CA 

Answer: A 

Explanation: 

A certificate revocation list (CRL) is created and distributed to all CAs to revoke a certificate or 

key. 

By checking the CRL you can check if a particular certificate has been revoked. 


Q450. Which of the following is an authentication and accounting service that uses TCP for connecting to routers and switches? 

A. DIAMETER 

B. RADIUS 

C. TACACS+ 

D. Kerberos 

Answer: C 

Explanation: 

TACACS+ is an authentication, authorization, and accounting (AAA) service that makes us of TCP only.