Update cybersecurity roadmap links (#6236)

* Update dns.md - Fix the YouTube video link error and update the video title.

* Update understand-cia-triad.md

* Update comptia-security.md

- Fix all broken links.
- Update Exam Details.
- Add new links.
- Remove outdated links.

src/data/roadmaps/cyber-security/content/comptia-security@AxeDcKK3cUtEojtHQPBw7.md

@@ -17,16 +17,18 @@ Earning the Security+ certification can open the door to various entry-level cyb
 
 ## Exam Details
 
-To earn the CompTIA Security+ certification, candidates must pass the SY0-601 exam. The exam consists of 90 questions, which are a mix of multiple-choice and performance-based questions. Candidates are given 90 minutes to complete the exam, and a score of 750 out of 900 is required to pass. The exam is available in English, Japanese, and Simplified Chinese.
+To earn the CompTIA Security+ certification, candidates must pass the SY0-701 exam. The exam consists of 90 questions, which are a mix of multiple-choice and performance-based questions. Candidates are given 90 minutes to complete the exam, and a score of 750 out of 900 is required to pass. 
 
 ## Preparation Resources
 
 Preparation for the CompTIA Security+ exam involves a combination of self-study, instructor-led courses, and hands-on experience in the cybersecurity field. Recommended resources include:
 
-- [@official@Official CompTIA Security+ Study Guide](https://www.comptia.org/training/books/security-study-guide)
+- [@official@Official CompTIA Security+ Study Guide](https://www.comptia.org/training/books/security-sy0-701-study-guide)
-- [@official@CompTIA Security+ Certification Exam Objectives](https://www.comptia.org/training/resources/exam-objectives)
+- [@official@CompTIA Security+ Certification Exam Details](https://www.comptia.org/certifications/security#examdetails)
-- [@article@Professor Messer's Free Security+ Video Course](https://www.professormesser.com/security-plus/sy0-601/sy0-601-video/sy0-601-comptia-security-exam/)
+- [@video@Professor Messer's Free Security+ Video Course](https://youtube.com/playlist?list=PLG49S3nxzAnl4QDVqK-hOnoqcSKEIDDuv&si=nwydzQ13lug4ymbl)
-- Practice exams and study materials from reputable providers such as [ExamCompass](https://www.examcompass.com/comptia/security-plus-certification/free-security-plus-practice-tests), [ITProTV](https://www.itpro.tv/courses/comptia/security-601/), or [Dion Training](https://www.diontraining.com/comptia-security/)
+- [@course@Dion Training](https://www.udemy.com/course/securityplus/)
+- [@course@Total Seminars](https://www.udemy.com/course/total-comptia-security-plus/)
+- [@podcast@CompTIA Security+ 701 Audio Course Podcast](https://open.spotify.com/show/1Ch1IPQc9V9FULKSBc6UfO?si=994f9ee5a0a24ee6)
 
 While there are no formal prerequisites to take the Security+ exam, CompTIA recommends candidates have two years of experience in IT administration, focusing on security, and a CompTIA Network+ certification.