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Cisco 642-845
Description:
The Cisco 642-845 Content Networking (ONT) exam from Cisco Certification is an exam that was destined to test the student’s knowledge of describing and implementing effective troubleshooting strategies, troubleshooting IP unicast and multicast routing, troubleshooting multi-layer switched networks, and troubleshooting WANs and remote access connections. However this exam has been retired and consequently replaced by the 642-845 examination. The Optimizing Converged Cisco Networks (642-845 ONT) is a qualifying exam for the Cisco Certified Network Professional CCNP. The ONT 642-845 exam will certify that the successful candidate has important knowledge and skills in optimizing and providing effective QOS techniques for converged networks.
Exam Details:
The Cisco 642-845 ONT exam has a difficulty rating of about 3 out of 5. Any 642-845 practice questions for the Cisco 642-845 exam, like for instance Testking 642-845 practice exams should consist of between 75 and 90 questions per set. This is deliberately so in preparing you for the real exam. The student taking the Cisco 642-845 ONT exam will have 90 minutes to answer the questions which can be in many forms such as scenarios, simlets, fill-in-the-blank-space, multiple-choice questions with single or multiple answers, and drag-and-drop questions. The 642-845 practice exams, as well as the 642-845 study guides and 642-845study notes should also cover the key topics tested in the Cisco 642-845 ONT exam.
Registering for the Exam:
The cost for registering for the Cisco 642-845 ONT exam is 125 USD. Students can register for the Cisco 642-845 CCNP exam at any Prometric or Pearson VUE office world wide in English. Prometric and Pearson VUE are the only accredited authorized Cisco examination centers.
Key Topics:
The following information provides general guidelines for the content likely to be included on the exam.
Describe Cisco VoIP implementations.
- Describe the functions and operations of a VoIP network (e.g., packetization, bandwidth considerations, CAC, etc.).
- Describe and identify basic voice components in an enterprise network (e.g. Gatekeepers, Gateways, etc.)
Describe QoS considerations.
- Explain the necessity of QoS in converged networks (e.g., bandwidth, delay, loss, etc.).
- Describe strategies for QoS implementations (e.g. QoS Policy, QoS Models, etc.).
Describe DiffServ QoS implementations.
- Describe classification and marking (e.g.,
- Describe and configure NBAR for classification.
- Explain congestion management and avoidance mechanisms (e.g., FIFO, PQ, WRR, WRED, etc.).
- Describe traffic policing and traffic shaping (i.e., traffic conditioners).
- Describe Control Plane Policing.
- Describe WAN link efficiency mechanisms (e.g., Payload/Header Compression, MLP with interleaving, etc.).
- Describe and configure QoS Pre-Classify.
Implement AutoQoS.
- Explain the functions and operations of AutoQoS.
- Describe the SDM QoS Wizard.
- Configure, verify, and torubleshoot AutoQoS implementations (i.e., MQC).
Implement WLAN security and management.
- Describe and Configure wireless security on Cisco Clients and APs (e.g., SSID, WEP, LEAP, etc.).
- Describe basic wireless management (e.g., WLSE and WCS). Configure and verify basic WCS configuration (i.e., login, add/review controller/AP status, security, and import/review maps).
- Describe and configure WLAN QoS.
Preparing for the Exam:
There are plenty of 642-845 study materials available on the Internet. These range from the official Cisco Certification Training courses and official Cisco Self Study Training Guides from Cisco Press, to the Testking 642-845 practice exams and Testking 642-845 study guides. Online practice exams 642-845 dump, 642-845 courses, 642-845 video, 642-845 free questions, and 642-845 braindumps are also available online. On the Cisco official Web site the vendor recommends that the recommended training, i.e. the Optimizing Converged Cisco Networks (ONT) course be done prior to taking the examination itself.
Certification Credits:
The successful student that passes the Cisco 642-845 ONT exam will be awarded with credit towards the Cisco CCNP certification.
