Free Lpi 020-100 Exam Dumps Questions & Answers

Which of the following methods can be used to ensure the authenticity of an email?
Response:

• A.  OpenPGP encryption
• B.  Email signature
• C.  Thunderbird encryption
• D.  S/MIME encryption

What is a major security concern when installing mobile applications from unknown sources?
Response:

• A.  Incompatible hardware components
• B.  Limited network connectivity
• C.  Reduced storage capacity
• D.  Malware infection

Mark is concerned about the security of his online accounts and wants to use two-factor authentication (2FA) to enhance their protection. Which of the following methods of 2FA is the most secure?
Response:

• A.  Using an authenticator application
• B.  Answering security questions
• C.  Using a more complex password
• D.  Receiving a verification code via SMS

Which of the following is a security concern related to USB devices?
Response:

• A.  They are not compatible with most devices
• B.  They are too large to be easily portable
• C.  They are too slow for most data transfers
• D.  They can be used to introduce malware or steal data

What do web browsers check when verifying the validity of an X.509 certificate?
Response:

• A.  Key usage
• B.  Subject
• C.  subjectAltName
• D.  Expiration date and issuer