Cisco 642-845 Exam
Exam Number: 642-845
Associated Certifications: CCNP
Duration: 90 minutes (50-60 questions)
Available Languages: English, Japanese
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642-845 Exam Topics
The following information provides general guidelines for the content likely to be included on the 642-845 exam. However, other related topics may also appear on any specific delivery of the 642-845 exam. In order to better reflect the contents of the exam and for clarity purposes the guidelines below may change at any time without notice.

Describe Cisco 642-845 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 Cisco 642-845 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 Cisco 642-845 DiffServ QoS implementations.
*Describe classification and marking (e.g., CoS, ToS, IP Precedence, DSCP, etc.).
*Describe and configure NBAR for classification.
*Cisco 642-845 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.

Cisco 642-845 Implement AutoQoS.
*Explain the functions and operations of AutoQoS.
*Describe the SDM QoS Wizard.
*Configure, verify, and torubleshoot AutoQoS implementations (i.e., MQC).

Cisco 642-845 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.
 
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