http://www.prhwy.com/news/132758-certexamscom-updates-ccna-netsim-with-more-features-and-labs.html
http://www.prlog.org/11401992-certexamscom-revises-ccna-netsim-network-simulator-software.html
http://7578.hostednr.com/
Network+ revised:
http://www.prlog.org/11356887-simulationexamscom-revises-network-exam-simulator.html
Free-Pressrelease.org:
press release sites list good
https://www.4seohelp.com/press-release-submission-sites-list/