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Cisco 642-742 Exam Syllabus Topics:

Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 Sample Questions:

1. What is the minimum overhead (header plus FCS) added by 802.11 (no encryption, no WMM) between a wireless client and an AP?

A) 18 B
B) 36 B
C) 48 B
D) 35 B
E) 24 B
F) 28 B

2. WLC v7.0 is configured for multicast with WLC-to-AP multicast mode, using IP address
239.10.10.10 and IGMP snooping enabled, with all other parameters set to default. What QoS value is given to multicast traffic between a WLC and APs?

A) CS4
B) CS5
C) CS3
D) BE
E) EF
F) CS2
G) CS1
H) CS6

3. WLC v7.0 is properly configured for 802.11n and multicast video without the optional VideoStream. Which three of these options describe frames sent from the AP to wireless clients? (Choose three.)

A) sent at lowest mandatory rate
B) No ACKs
C) sent at client MCS data rate
D) sent at highest mandatory rate
E) ACK per frame
F) sent as gold QoS
G) sent as best effort QoS

4. A packet arrives with a decimal value of 12. Which AF class does the packet belong to, and what is the drop probability of the packet? (Choose two.)

A) AF2
B) low drop probability
C) medium drop probability
D) AF4
E) AF3
F) AF1
G) high drop probability

5. Which three options are benefits of U-APSD? (Choose three.)

A) synchronization of the transmission and reception of voice frames
B) priority bandwidth and polling
C) increased call capacity
D) bandwidth reservation
E) optimized power-save mode periods

Solutions: