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Cisco 642-742 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Wireless Voice Fundamentals | - 802.11 standards and voice considerations - Voice over WLAN concepts |
| Topic 2: Voice Deployment and Troubleshooting | - Common voice quality issues and diagnostics - VoWLAN deployment best practices |
| Topic 3: Cisco Unified Wireless Architecture | - Controller-based WLAN design - Access point and controller interaction |
| Topic 4: Roaming and Mobility | - Layer 2 and Layer 3 roaming behavior - Fast secure roaming (CCKM, 802.11r concepts) |
| Topic 5: Call Admission Control (CAC) | - Bandwidth management for voice sessions - CAC mechanisms in WLAN environments |
| Topic 6: QoS for Wireless Voice | - WMM (Wi-Fi Multimedia) and prioritization - End-to-end QoS design |
Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 Sample Questions:
What are the benefits from enabling TSM for a VoWLAN using a WLC v7.0?
- A. provides packet loss covering the end-to-end voice path on all links and additional parameters on VoWLAN segment
- B. provides packet loss, latency, and additional parameters on VoWLAN call segment
- C. provides packet loss and latency covering the end-to-end voice path on all links
- D. provides packet loss and latency covering the end-to-end voice path on all links and additional parameters on the VoWLAN segment
Correct Answer: B 🗳️
Refer to the exhibit.
What CoS marking is DSCP EF translated too?
- A. 2
- B. 4
- C. 6
- D. 5
- E. 3
- F. 7
Correct Answer: E 🗳️
An engineer is designing a wireless infrastructure to support secured wireless access for Cisco 7925 series phones. What 802.1X authentication protocol would create the least overhead for authentication, while also securely transporting credentials?
- A. PEAP-EAP-GTC
- B. PEAP-EAP-MSCHAPv2
- C. EAP-FAST
- D. PEAP-EAP-TLS
- E. EAP-TLS
- F. EAP-MSCHAPv2
Correct Answer: C 🗳️
When implementing video teleconferencing over a wireless network, which three attributes should be considered when cell planning? (Choose three.)
- A. number of users on the network
- B. client association
- C. packet loss
- D. jitter
- E. throughput
- F. latency
Correct Answer: C,D,F 🗳️
Assuming 30% total overhead and no other clients on an AP, how many single stream 802.11n 2.4GHz IP cameras that output a 6 Mbps video feed could one 802.11n AP support?
- A. 8 cameras
- B. 12 cameras
- C. 16 cameras
- D. 4 cameras
Correct Answer: A 🗳️
