Use /etc/security/limits.conf file to limit amount of concurrent logins for a specific user.
Use the /etc/security/limits.conf record to restrict aid use for all packages. That is from the pam_limits module of the Plugable Authentication Modules (PAM) module set. Entries in /etc/security/limits.conf comprise the subsequent: Entity type limit value.
A pluggable authentication module (PAM) is a mechanism to combine multiple low-level authentication schemes right into an excessive-stage Application programming interface (API). PAM allows applications that depend on authentication to be written independently of the underlying authentication scheme.
A module is a software program component or a part of an application that includes one or greater routines. One or more independently developed modules make up an application. A company-level software application may contain numerous one-of-a-kind modules, and each module serves unique and separate business operations.
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Answer:
c). cover letter
Explanation:
A cover letter is a formal letter or document that a job seeker sends to a potential employer together with a resume. The letter details the positions that the vacant applicant seeks to fill. The cover letter or job application letter accords the applicant the opportunity to market themselves to the employer.
In the cover letter, a job seeker states why they are the best candidate for the position. Applicants use the cover letter to convince the employer to hire them.
The ABC's dividend yield when the ABC reports dividends per share of $1.40 and net income for the year of $140,000. The current stock price is $14.00 is 10%.
<h3>What is yield?</h3>
The yield on a security is defined as the measurement of the ex-ante instrument to a safety holder in financing.
It is a cardinal part of the return on an investment, with some other being the change in the security's market price.
The formula of calculating the yield is:

According to the given information,
Dividend Per Share= $1.40,
Net Income= $1,40,000
Current Price= $14
Now, apply the formula in the given formula,

Therefore, ABC's dividend yield is 10%.
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A warrant
(Hope that helped)
Answer: Explicit knowledge.
Explanation: Pierce Bailey takes record of clear and fully detailed information for his company, for the company to have an explicit knowledge of all calls he makes.
An explicit knowledge of an information means that the information is clear with nothing hidden.