APWA CERTIFIED PUBLIC INFRASTRUCTURE
INSPECTOR EXAM 2026 EXAMPREP STUDY
GUIDE WITH COMPLETE Q&A
◉ Which of the following could cause a browser to display the
message below?
"The security certificate presented by this website was issued for a
different website's address."
A. The website certificate was issued by a different CA than what the
browser recognizes in its trusted CAs.
B. The website is using a wildcard certificate issued for the
company's domain.
C. HTTPS://127.0.01 was used instead of HTTPS://localhost.
D. The website is using an expired self-signed certificate.. Answer: C
◉ Certificates are used for: (Select TWO)
A. Client authentication
,B. WEP encryption
C. Access control lists
D. Code signing
E. Password hashing. Answer: A D
◉ 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?
A. The intermediate CA certificates were not installed on the server.
B. The certificate is not the correct type for a virtual server.
C. The encryption key used in the certificate is too short.
D. The client's browser is trying to negotiate SSL instead of TLS..
Answer: A
,◉ Digital certificates can be used to ensure which of the following?
(Select TWO).
A. Availability
B. Confidentiality
C. Verification
D. Authorization
E. Non-repudiation. Answer: B E
◉ 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?
A. The certificate will be added to the Certificate Revocation List
(CRL).
B. Clients will be notified that the certificate is invalid.
, C. The ecommerce site will not function until the certificate is
renewed.
D. The ecommerce site will no longer use encryption.. Answer: B
◉ 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?
A. certificate, private key, and intermediate certificate chain
B. certificate, intermediate certificate chain, and root certificate
C. certificate, root certificate, and certificate signing request
D. certificate, public key, and certificate signing request. Answer: A
◉ 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?
A. CRL
INSPECTOR EXAM 2026 EXAMPREP STUDY
GUIDE WITH COMPLETE Q&A
◉ Which of the following could cause a browser to display the
message below?
"The security certificate presented by this website was issued for a
different website's address."
A. The website certificate was issued by a different CA than what the
browser recognizes in its trusted CAs.
B. The website is using a wildcard certificate issued for the
company's domain.
C. HTTPS://127.0.01 was used instead of HTTPS://localhost.
D. The website is using an expired self-signed certificate.. Answer: C
◉ Certificates are used for: (Select TWO)
A. Client authentication
,B. WEP encryption
C. Access control lists
D. Code signing
E. Password hashing. Answer: A D
◉ 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?
A. The intermediate CA certificates were not installed on the server.
B. The certificate is not the correct type for a virtual server.
C. The encryption key used in the certificate is too short.
D. The client's browser is trying to negotiate SSL instead of TLS..
Answer: A
,◉ Digital certificates can be used to ensure which of the following?
(Select TWO).
A. Availability
B. Confidentiality
C. Verification
D. Authorization
E. Non-repudiation. Answer: B E
◉ 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?
A. The certificate will be added to the Certificate Revocation List
(CRL).
B. Clients will be notified that the certificate is invalid.
, C. The ecommerce site will not function until the certificate is
renewed.
D. The ecommerce site will no longer use encryption.. Answer: B
◉ 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?
A. certificate, private key, and intermediate certificate chain
B. certificate, intermediate certificate chain, and root certificate
C. certificate, root certificate, and certificate signing request
D. certificate, public key, and certificate signing request. Answer: A
◉ 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?
A. CRL
