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CCIE Voice Test

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. What are the commands to configure a SIP phone in CUCME?
Voice register dn 1| number 4002||voice register pool 1|id mac 0022.0022.0022|type 7961ge|number 1 dn 1|dtmf-relay rtp-nte|no vad

To enable two-stage dialing.
...

2. What does rule 1 /^.*(....$)/ /1/ do?
Assign SIP Dial Rules
Uncheck it! Otherwise both H323 devices on either end wait for the other to send TCS first - and the connection will timeout.
Proxy Line Mode has multiple icons on the phone.|Shared Line Mode has only one.
Matches any length dialed number and truncates it to 4 digits.

3. How do you enable AAR system wide?
SERVICE PARAMETER>|| Stop routing on unallocated number flag - Set to False|| Stop routing user busy - Set to False
Configure it on the route group through the route list - then it will be local to the route list.
CUCM Service Parameters --> Automated Alternate Routing Enable --> True
You need dial-peers and to allow h323 to h323 communication.||voice service voip| allow-connections h323 to h323

4. If you need terminate and reoriginate all calls through the CUBE - what do you need to do.
(config)#clock timezone|(config)#ntp server/master|(config)#sh ntp status to verify
You may be running into a CSA bug. Disable CSA in CUCM by:|SSH to CUCM|utils csa disable
You need dial-peers and to allow h323 to h323 communication.||voice service voip| allow-connections h323 to h323
Sh ccm-manager

5. How do you configure class of service (CoS) in CUCM? CME?
CUCM - Partitions and Calling Search Spaces||CME - COR Lists
Trunk Port Method (3750 or ESW)||interface fa0/1|switchport trunk encap dot1q|switchport mode trunk|switchport trunk native vlan 10|switchport voice vlan 20|spanning-tree portfast
Debug ephone moh
(config)#clock timezone|(config)#ntp server/master|(config)#sh ntp status to verify

6. By Nov. 16 - 2010||I am happy confident and thankful that I am now a CCIE Voice Certified engineer! My technical knowledge of the Cisco UC portfolio is truly unsurpassed. I have opened up a wealth of opportunities for myself and my family and
...
IP Voice Media Streaming App
CUCM Service Parameters --> Automated Alternate Routing Enable --> True
Route Patterns --> Route Lists --> Route Groups --> Gateways/Trunks|RPs point to Route Lists which contain one or more Route Groups which contain one or more Gateways/Trunks.

7. How do you enable AAR?
Enable MOH on the CME.||#telephony service|#moh music-on-hold.au
SERVICE PARAMETER> Automated Alternate Routing Enable > True
Master/Slave relationship. CUCM controls it.
(config)#sh cdp neigh detail

8. What are the commands to create vlans on an ESW?
Sends the Calling Name.
Precede the # with a > ... so 9011*>#
Vlan database|vlan 130 name DATA|vlan 240 name PHONES|apply|exit
Mobile Connect

9. How do you enable Extension Mobility for a device in CME?
Assign a logout-profile to the ephone.
Apply it to the ephone.
Dial-peers
Service Parameters --> Mobile Voice Access Number

10. How do you prevent toll fraud on CME?
Transfer to external is blocked by default.|To ensure only transfer to internal is allowed - make sure only the following tx pattern is under telephony-service||#telephony service| #transfer-pattern ....

Apply it to the ephone.
1 ... this is not optional!

11. How do you block an external call from being transferred back out to the pstn by an internal user?
Gatekeeper - zone local GK cisco.com 10.1.6.1 - zone local CUCM cisco.com invia GK outvia GK - zone local BR2 cisco.com invia GK outvia GK
Service Parameter --> Block OffNet To OffNet Transfer --> True
Precede the # with a > ... so 9011*>#
1. Enable it.|2. Create AAR Group|3. Create CSS-AAR and apply at device level.|4. Apply AAR Group at line level.

12. 'By Nov. 16 - 2010||I am happy confident and thankful that I am now a CCIE Voice Certified engineer! My technical knowledge of the Cisco UC portfolio is truly unsurpassed. I have opened up a wealth of opportunities for myself and my family and
Find the GUI Files - show flash | i .html|ip http server|ip http path flash:/<PATH TO FILES>||telephony service|web admin system name admin pass cisco|dn-webedit
Gatekeeper|endpoint resource-threshold|endpoint max-calls h323id gk-trunk_2 1||The bandwidth command only allows restriction between zones
When they are explicitly matched in a destination-pattern in a dial-peer.
...

13. How much bandwidth does a G.729 call including layer 3 require?
24kb/s
...
When multiple sites use the same route pattern - do your digit manipulation on a route list.
#voice-class h323 1|#h225 timeout tcp establish 3 (if no response within 3 seconds continue dial-peer hunting)

14. How would you enable security on a GK?
Gatekeeper| security acl answerarq 1||set up an access list permit whoever you want to allow
Voice register dn 1|number 3001|voice register pool 1|number 1 dn 1|id mac 001b.ac02.14de|type 7961|dtmf-relay rtp-nte|description 3214-3005 !!! PHONE BANNER !!!|codec g711u
Phone number followed by domain name.|i.e. 3006@ipxcme.com
Apply voice-class codec

15. In a SIP Dial Rule how do you represent a dialed * instead of it being used as a wildcard?

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16. When do you do digit manipulation at the route pattern as opposed to the route list?
Single Number Reach (Mobile Connect)
At the CLI: utils ntp status
Sends the Calling Name.
When multiple sites use the same route pattern - do your digit manipulation on a route list.

17. Is the + character supported on a VOIP dial-peer?

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18. When do you use translate called? Translate calling?
When I call in from off-net to a DID number in-net ... once authenticated - your calls appear to come from the desk phone.
Reroute when there is a WAN Outage.
Translate called - Calls going out to the PSTN||Translate Calling - Use on calls coming in from the PSTN. To change the ANI (Caller ID)
SERVICE PARAMETER> Automated Alternate Routing Enable > True

19. Calls coming from CUCM to PSTN need what?
Assign SIP Dial Rules
Outbound dial-peers

...

20. What kind of relationship does an MGCP gateway have with CUCM?
CUCM Service Parameters --> Automated Alternate Routing Enable --> True
The name configuration field in ephone-dn and voice register dn
Master/Slave relationship. CUCM controls it.
Interface f0/0|no ip address|no shut||interface f0/0.10|encap dot1q 10 native --> !!! DATA VLAN !!!|ip address 10.10.100.1 255.255.255.0|interface f0/0.20|encap dot1q 20 --> !!! VOICE VLAN !!!|ip address 10.10.200.1 255.255.255.0

21. On a gatekeeper trunk - how do you ensure the Sub is used as primary and Pub as backup?
(config)#service dhcp|(config)#no ip dhcp conflict logging|(config)#ip dhcp excluded-address <low IP> <hi IP>|(config)#ip dhcp-pool <name>|(dhcpconfig)#network <network name> </nn or mask>|(dhcpconfig)#domain-name <domain>|(dhcpconfig)#dns-server <IP
Gw-priority command||#gatekeeper| #zone prefix CUCM 2... gw-priority 10 US_Trunk_2| #zone prefix CUCM 2... gw-priority 5 US_Trunk_1
Sends the Calling Name.
The + character is not supported on a VOIP dial-peer.||So you'll need to add back on the POTS dial-peer before it gets to the PSTN via a voice translation-rule.

22. Privacy is enabled system-wide in CUCM by default. (T or F)
Create 2 voip dial-peers - one the Sub and one to the Pub (the Pub with a preference of 1). Then create a voice class h323and set the h225 timeout value so it will hunt between the two.
Telephony-service|no auto-reg-ephone|max-ephones <NUM>|max-dn <NUM> no-reg|ip source-address <IP> port 2000|create cnf-files
TRUE
In milliseconds ... allows you to hang up cell phone then pick up at the desk phone without disconnecting the call.

23. Is the order of the MRGs in an MRGL significant?
Region setting alone is not enough. You must set:|Enterprise Parameters --> Advertise G.722 Codec Disable
Call forwarding between voip to voip (when CUBE is in play)
Yes. The media resources in the first MRG listed will be used before media resources in the second MGR listed.
SERVICE PARAMETER>|| Stop routing on unallocated number flag - Set to False|| Stop routing user busy - Set to False

24. If you're using Called/Calling Party Transformations at the Route Pattern and tranformations at the route list ... What does the RP affect and What does the RL affect?
Interface f0/0|no ip address|no shut||interface f0/0.10|encap dot1q 10 native --> !!! DATA VLAN !!!|ip address 10.10.100.1 255.255.255.0|interface f0/0.20|encap dot1q 20 --> !!! VOICE VLAN !!!|ip address 10.10.200.1 255.255.255.0
#interface vlan 130 (voice vlan)| #h323-gateway voip interface| #h323-gateway voip id BR2 ipaddr 10.1.6.1| #h323-gateway voip h323-id UK| #h323-gateway voip bind srcaddr 10.1.130.1
RP affects the display on the calling phone.||RL affects What is sent to the gateway (called number).
Need to Know||Anytime you have an external call - it needs to match on a route pattern.

25. How do you set the Call Park Reversion Timer?
Ephone-dn 1 <dual / octo>|number 3001|description 3214-3001 !!! PHONE BANNER !!!||ephone 1|mac-address 001b.d4c6.ca99|button 1:1|type 7961|max-calls-per-button 5|busy-trigger-per-button 3
Access Port Method||interface range fa0/1 - 3|switchport voice vlan 20|switchport access vlan 10|spanning-tree portfast
CUCM Service Parameters --> Call Park Reversion Timer
1st the Subnet is recognized. (Device Mobility Info)|Then different Physical Locations are compared.

26. SNR is also known as?
Mobile Connect
No it invokes the RSVP call agent on the IOS Router via SCCP message. i.e. use a Software MTP.
sh ephone reg|and|debug voip dialpeer
Reroute when there is a WAN Outage.

27. On an MGCP GW - if you select Top Down under Channel Selection Order - What does that mean?
Reroute when there is a WAN Outage.
SERVICE PARAMETER> Automated Alternate Routing Enable > True
Top Down means that channel 1 will be the first channel used to place outgoing calls.
(config)#ip domain-name <NAME>|(config)#isdn switch-type primary-ni|(config)#network-clock-participate wic 0||(config)#controller t1 0/0/0|(config-controller)#pri-group timeslots 1-3 - 24 service mgcp|(config-controller)#no shut||(config)#interface s

28. What does Display-IE do?
CUCM - Partitions and Calling Search Spaces||CME - COR Lists
Sends the Calling Name.
Ssh to the CUCM the phone is registered to|show perf query class 'Cisco MOH Device'
SERVICE PARAMETER>|| Stop routing on unallocated number flag - Set to False|| Stop routing user busy - Set to False

29. How do you see the details of calls coming in and out of the PRI?
Access Port Method||interface range fa0/1 - 3|switchport voice vlan 20|switchport access vlan 10|spanning-tree portfast
Ephone-dn 1 <dual / octo>|number 3001|description 3214-3001 !!! PHONE BANNER !!!||ephone 1|mac-address 001b.d4c6.ca99|button 1:1|type 7961|max-calls-per-button 5|busy-trigger-per-button 3
Debug isdn q931
In the CUCM 7.0.1 Release Notes ... search for restore.

30. How do you change modes in voice register global?
RP affects the display on the calling phone.||RL affects What is sent to the gateway (called number).
At the CLI: utils ntp status
Default is SRST||mode cme changes to CME|no mode cme changes back to SRST
Sends the Calling Name.

31. Where is it best to manipulate digits for inbound calls?

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32. Two useful troubleshooting commands for CUCME?
(config)#isdn switch-type primary-ni|(config)#network-clock-participate wic 0||(config)#controller t1 0/0/0|(config-controller)#pri-group timeslots 1-3|(config-controller)#no shut||(config)#voice service voip|(conf-voi-serv)#sip|(conf-serv-sip)#bind
Apply voice-class codec
Matches any length dialed number and truncates it to 4 digits.
sh ephone reg|and|debug voip dialpeer

33. What does the Transfer On-hook Enabled Service Parameter do?
'Use before the ... so XXXX
Allows you to transfer by only pressing the Transfer button once.
#show call active brief|#show voice call summary|#show voice call status|show dialpeer voice summary
Sh ip rsvp reservation||sh sccp connections

34. How do you see multicast packets being sent?
At the CLI: utils ntp status
Enterprise Parameters --> Organization Top Level Domain|Enterprise Parameters --> Cluster Fully Qualified Domain Name
Debug ephone moh
At the Line or Device level. -- Sometimes unpredictable performance of assigned to the device though.

35. What is the full E164 format?
+ [CC 1-3 digits] [National Number max 15 minus CC digits]
Mobile Connect
Enable MOH on the CME.||#telephony service|#moh music-on-hold.au
(config)#ip domain-name <NAME>|(config)#isdn switch-type primary-ni|(config)#network-clock-participate wic 0||(config)#controller t1 0/0/0|(config-controller)#pri-group timeslots 1-3 - 24 service mgcp|(config-controller)#no shut||(config)#interface s

36. How would you set the the timer for Auto Answer?

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37. What must you do for a BACD script to work on a CME router?
Enable MOH on the CME.||#telephony service|#moh music-on-hold.au
Route Patterns --> Route Lists --> Route Groups --> Gateways/Trunks|RPs point to Route Lists which contain one or more Route Groups which contain one or more Gateways/Trunks.
In milliseconds ... allows you to hang up cell phone then pick up at the desk phone without disconnecting the call.
h225 timeout tcp establish 3 within a h323 voice class||#voice class h323 1|#h225 timeout tcp establish 3

38. How do you configure SRST?
Telephony-service|no auto-reg-ephone|max-ephones <NUM>|max-dn <NUM> no-reg|ip source-address <IP> port 2000|create cnf-files
When configuring TEHO.
Call-manager-fallback or telephony-service mode SRST
At the Line or Device level. -- Sometimes unpredictable performance of assigned to the device though.

39. How do you use an ephone template?
Precede the # with a > ... so 9011*>#
Apply it to the ephone.
RP affects the display on the calling phone.||RL affects What is sent to the gateway (called number).
Ssh to the CUCM the phone is registered to|show perf query class 'Cisco MOH Device'

40. Name 2 commands to verify RSVP functionality.
...
TRUE
Sh ip rsvp reservation||sh sccp connections

41. How do you get around relying on DNS for your CUCMs?
Single Number Reach (Mobile Connect)
Use IPs instead of hostnames for all CUCM servers.|ENTERPRISE PARAMETERS --> Replace all CUCM hostnames with IPs in URLs
Sh ccm-manager
CUCM - Partitions and Calling Search Spaces||CME - COR Lists

42. What are the commands to configure a MGCP Gateway? (router)
Ip domain-name ipexpert.com|network-clock-participate wic 0|isdn switch-type primary-ni||controller t1 0/0/0|pri-group timeslots 1-3 - 24 service mgcp|no shut||int serial 0/0/0:23|isdn bind-l3 ccm-manager|ccm-manager mgcp|ccm-manager redundant-host 1
Configure it on the route group through the route list - then it will be local to the route list.
Outbound dial-peers
CUCM Service Parameters --> Automated Alternate Routing Enable --> True

43. When using drop-through-option What is the max number of huntgroups?
1 ... this is not optional!
1. Complicated Hunt Group|2. Need to support Calling Name|3. Need to support Call Park Call Pickup
Yes. The media resources in the first MRG listed will be used before media resources in the second MGR listed.
Master/Slave relationship. CUCM controls it.

44. 'If you're not getting a DHCP address from CUCM what then?

#test voice translation rule 1 <input to test>
Master/Slave relationship. CUCM controls it.
You may be running into a CSA bug. Disable CSA in CUCM by:|SSH to CUCM|utils csa disable

45. What would force you to use telephony-service to configure SRST?
1. Complicated Hunt Group|2. Need to support Calling Name|3. Need to support Call Park Call Pickup
At the Line or Device level. -- Sometimes unpredictable performance of assigned to the device though.
Sh ccm-manager
Trunk Port Method (3750 or ESW)||interface fa0/1|switchport trunk encap dot1q|switchport mode trunk|switchport trunk native vlan 10|switchport voice vlan 20|spanning-tree portfast

46. How do you setup AutoRegistration in CUCM?
System Cisco Unified CM|Uncheck the box Auto-Reg Disabled||Enterprise Parameters --> Auto Registration Phone Protocol SIP or SCCP
Assign SIP Dial Rules
Ssh to the CUCM the phone is registered to|show perf query class 'Cisco MOH Device'
On CUCM it's identical to adding an H323 GW.

47. How do you use the # as a string terminator within a SIP Dial Rule?
Dial-peers
Assign SIP Dial Rules
No it invokes the RSVP call agent on the IOS Router via SCCP message. i.e. use a Software MTP.
Precede the # with a > ... so 9011*>#

48. What are the basic SCCP Commands fro telephony-service in CUCME?
Telephony-service|no auto-reg-ephone|max-ephones <NUM>|max-dn <NUM> no-reg|ip source-address <IP> port 2000|create cnf-files
AAR -- Used for WAN Congestion|SRST -- Used for WAN Outage
No POTS dial-peer or no direct-inward-dial on a pots dial-peer
#voice service voip| #no supplementary-service h225-notify cid-update

49. Describe how you configure SIP URI functionality.
Debug isdn q931

Outbound dial-peers
You need dial-peers and to allow h323 to h323 communication.||voice service voip| allow-connections h323 to h323

50. What terminology translates to SRST?
At the CLI: utils ntp status
Reroute when here is WAN congestion.
Reroute when there is a WAN Outage.
Call Simulator. You can use to validate path from router to the PSTN.