Some customers have reported receiving an untrusted certificate warning when visiting the
company’s website. The administrator ensures that the certificate is not expired and that
customers have trusted the original issuer of the certificate. Which of the following could be
causing the problem?

Digital certificates can be used to ensure which of the following? (Select TWO).

A certificate used on an ecommerce web server is about to expire. Which of the following will
occur if the certificate is allowed to expire?

An administrator has successfully implemented SSL on srv4.comptia.com using wildcard
certificate *.comptia.com, and now wishes to implement SSL on srv5.comptia.com. Which of the
following files should be copied from srv4 to accomplish this?

An encrypted message is sent using PKI from Sara, a client, to a customer. Sara claims she never
sent the message. Which of the following aspects of PKI BEST ensures the identity of the sender?

Ann, a newly hired human resource employee, sent out confidential emails with digital signatures,
to an unintended group. Which of the following would prevent her from denying accountability?

A company recently experienced data loss when a server crashed due to a midday power outage.
Which of the following should be used to prevent this from occurring again?

Matt, a security consultant, has been tasked with increasing server fault tolerance and has been
given no budget to accomplish his task. Which of the following can Matt implement to ensure
servers will withstand hardware failure?

After a company has standardized to a single operating system, not all servers are immune to a
well-known OS vulnerability. Which of the following solutions would mitigate this issue?

A security manager requires fencing around the perimeter, and cipher locks on all entrances. The
manager is concerned with which of the following security controls?