Check out the certexams.com blog site at
https://certexams.over-blog.com/
The blog offers information on various software products available at certexams.com. The products include CCNA exam sim, CCNP practice tests, and comptia A+ (https://www.certexams.com/comptia/a+/a+core1-exam-details.htm).
Another blog site at livejournal.com,
https://certexams.livejournal.com/
provides blog articles on recent releases, updates and offers.
Check out,
https://certexams.livejournal.com/1738.html
also, checkout
https://certexams.livejournal.com/7073.html
Also checkout techsite.io blog site at
https://techsite.io/u/certexams/posts
posts about various practice tests offered by certexams.com
Another blog site:
https://list.ly/CertExams/lists
https://list.ly/CertExams/lists
with several boards:
https://list.ly/list/3LZs-comptia-study-guide
https://list.ly/list/3M6O-cisco-r-study-guide
https://list.ly/list/3La0-android-and-ios-apps
https://list.ly/list/3Pc2-certexams
https://list.ly/list/3ZPZ-network-simulators
https://list.ly/list/3R2b-juniper-jncia-study
Articles in articlesfactory.com
http://www.articlesfactory.com/articles/education/comptia-security-practice-tests-online.html