Exam 642-642 is one of the Cisco’s certification examinations. The exam name for 642-642 is QOS (quality of service). This examination can be said as the qualifying examination for the Cisco certifications like CCIP, Cisco IP telephony designing services, CCVP, Cisco IP telephony support specialist certification, Cisco IP telephony operational specialist and Cisco IP telephony express specialist etc. This certification will suit best to the candidates who want to gain knowledge in the larger enterprise by troubleshooting as well as configuring the Cisco IOS routers for the running quality to the service providers as well as in the other mid level or smaller organizations.
Requirements for 642-642 examination:
For writing this examination, there is no special prerequisite required for the candidates. However, it is an added advantage to the candidates if they have knowledge in the quality of service. Regarding the language options, candidates can write the examination in Japanese language. However, this option is only for the candidates who are living in that particular region or who are comfortable with this language option.
The following are the exam objectives of 642-642 exam and they are:
1) Components of IP QOS
2) Best practices of QOS
3) Fundamentals of IP QOS
4) Mechanisms in link efficiency
5) Marking as well as classification
6) Methods in congestion avoidance
7) Shaping as well as traffic policing
8) Methods in congestion management
9) Auto QOS as well as modular QOS CLI
The examination comprises of 45 to 55 questions with multiple choice, drag- drop, built a tree, reorder, hot area options etc. Examination can be registered in any of the Pearson VUE centers or nearby Pearson VUE center or even in online by paying the exam fee. After the exam fee is being paid, candidates can schedule their examination date as well as exam session.