642-845 Exam
Optimizing Converged Cisco Networks
Exam Number/Code : 642-845
Exam
Name : Optimizing Converged Cisco Networks
Questions and Answers : 185
Q&As
Update Time: 2010-06-02
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Exam : Cisco 642-845
Title :
Optimizing Converged Cisco Networks
5. Which two QoS statements are true
about the use of the SDM QoS wizard? (Choose two.)
A. Business-critical
traffic includes VoIP and voice signaling packets.
B. SDM can be used to
configure a basic QoS policy for incoming traffic on WAN interfaces and IPsec
tunnels.
C. SDM can provide QoS for real-time traffic and business-critical
traffic.
D. SDM creates a custom-queuing (CQ) or a priority-queuing (PQ)
policy.
E. SDM creates a low latency queuing (LLQ) service policy with its
associated classes.
F. When allocating bandwidth, values can be entered in
either bandwidth percentage or kilobytes per second (kBps).
Answer: CE
6. Which two statements regarding the Wireless LAN Solution Engine (WLSE) are
true? (Choose two.)
A. To support fault and policy reporting, the WLSE
requires a Wireless Control System (WCS).
B. When WLSE detects an AP failure,
it automatically increases the power and cell coverage of nearby APs.
C. WLSE
requires the 2700 location appliance to offer location tracking.
D. WLSE can
locate rogue APs and automatically shut them down.
E. WLSE configuration is
done using the command line interface (CLI) or a WEB based template.
Answer:
BD
642-845 Exam
Topics
Describe DiffServ QoS implementations.
Describe classification and
marking (e.g., CoS, ToS, IP Precedence, DSCP, etc.).
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 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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