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Cisco 642-437 Exam Overview:
| Certification Vendor: | Cisco |
| Exam Name: | Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0) |
| Exam Number: | 642-437 |
| Real Exam Qty: | Approximately 250–270 |
| Exam Format: | Multiple Choice, Multiple Answer, Drag and Drop, Simulation/Scenario-based |
| Related Certifications: | Cisco Certified Network Professional Voice (CCNP Voice) |
| Passing Score: | Not publicly disclosed (Cisco typically reports pass/fail only) |
| Exam Price: | USD 250 (typical Cisco exam fee) |
| Certificate Validity Period: | Cisco certificate validity was aligned to CCNP lifecycle — historically ~3 years (exam retired, so no current validity) |
| Available Languages: | English |
| Exam Duration: | 120 minutes |
| Sample Questions: | Cisco 642-437 Sample Questions |
| Exam Way: | Historically delivered at Pearson VUE testing centers; exam has been retired and is no longer available |
| Pre Condition: | Valid CCNA-level knowledge recommended (no strict prerequisite), familiarity with voice fundamentals and Cisco IOS configurations |
| Official Syllabus URL: | https://www.cisco.com/site/us/en/learn/training-certifications/exams/retired.html |
Cisco 642-437 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Quality of Service (QoS) | - QoS mechanisms
|
| Topic 2: Troubleshooting | - Troubleshooting voice and QoS issues
|
| Topic 3: Cisco Unified Communications Manager Express | - CUCME configuration
|
| Topic 4: Voice Gateways and Call Routing | - Gateway implementation and configuration
|
| Topic 5: VoIP Fundamentals | - Voice over IP basics
|
| Topic 6: Cisco Unified Border Element (CUBE) | - CUBE features and configuration
|
Cisco Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0) Sample Questions:
1. When you implement the tail-end hop-off path-selection strategy, which task should you complete first?
A) Define the VoIP inbound digit manipulation.
B) Define the VoIP outbound digit manipulation.
C) Define the outbound VoIP dial peer.
D) Define the inbound VoIP dial peer.
2. Which two methods are used by a Cisco gateway to transmit fax traffic across the IP network? (Choose two.)
A) Cisco fax relay
B) modem relay
C) T.30 signaling
D) modem pass-through
E) fax pass-through
3. Which command correctly enables a trust of the existing differentiated services code point value coming into a switch?
A) switch(config-if)#mls dscp trust
B) switch(config-mls)#mls qos trust dscp
C) switch(config-mls)#dscp trust
D) switch(config-if)#mls qos trust dscp
4. Which two functions are associated with a voice gateway? (Choose two.)
A) provides logical access to analog and digital voice devices
B) provides interconnection between multiple traditional telephony circuits
C) provides supplementary services to analog and digital endpoints
D) acts as a Cisco Unified Border Element
E) implements filtering, address hiding, and security related functions to analog devices
5. Which two statements describe ways that AutoQoS VoIP configuration is applied on a Cisco catalyst switch? (Choose two.)
A) The auto qos voip trust command is applied to each interface.
B) The auto qos voip cisco-phone command is applied to each interface.
C) The auto qos voip command is applied globally in the switch.
D) The auto qos voip command is applied to each interface.
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: A,E | Question # 3 Answer: D | Question # 4 Answer: B,C | Question # 5 Answer: A,B |
By Jonathan
