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Test your basic knowledge |
CCIE Voice Test
Start Test
Study First
Subjects
:
cisco
,
it-skills
,
ccie
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. How do you test a Voice Translation Rule?
Voice register global|mode cme|source-address <IP>|max-dn <NUM>|max-pool <NUM>|tftp-path flash:/<PATH>|create profile||NOTE: You have to do a create profile every time you change the voice register pool
'Service Parameters --> <i>Auto Answer Timer</i>
#test voice translation rule 1 <input to test>
<i>#after-hours block pattern</i>
2. When using <i>drop-through-option</i> What is the max number of huntgroups?
1 ... this is not optional!
Allows you to transfer by only pressing the Transfer button once.
<i>sh ephone reg</i>|and|<i>debug voip dialpeer</i>
SERVICE PARAMETER>|| Stop routing on unallocated number flag - Set to False|| Stop routing user busy - Set to False
3. When you make a call and it results in a secondary dial-tone - What is this a symptom of?
To notify SIP Phones of NTP
You may be running into a CSA bug. Disable CSA in CUCM by:|SSH to CUCM|<i>utils csa disable</i>
No POTS dial-peer or no direct-inward-dial on a pots dial-peer
#voice-class h323 1|#h225 timeout tcp establish 3 (if no response within 3 seconds continue dial-peer hunting)
4. How do you configure phone ports on a 3750?
Mobile Connect
<b>Access Port Method</b>||interface range fa0/1 - 3|switchport voice vlan 20|switchport access vlan 10|spanning-tree portfast
System Cisco Unified CM|Uncheck the box <i>Auto-Reg Disabled</i>||Enterprise Parameters --> <i>Auto Registration Phone Protocol</i> SIP or SCCP
In CUCM - configure CFUR to point to it's E164 number.
5. What is the full E164 format?
CM SERVICEABILITY TOOL --> SERVICE ACTIVATION --> Check all - then uncheck CMI and Security Services and activate.
<i>#after-hours block pattern</i>
Allows you to transfer by only pressing the Transfer button once.
+ [CC 1-3 digits] [National Number max 15 minus CC digits]
6. What is Phone NTP Reference used for?
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.
You need pots dial-peers for incoming calls and you need a voip dial-peer pointing to the CUCM so the H323 GW and connect the call to those phones.
To notify SIP Phones of NTP
Bandwidth
7. How do you configure CUCM redundancy on an H323 gateway?
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
Device Pool Locations
Via the <i>voice hunt-group parallel</i> command
#voice class h323 1| #h225 timeout tcp establish 3||#dial-peer voice 3000 voip| #destination-pattern 3...| #voice-class h323 1| #session target ipv4:(SUB IP)| #dtmf-relay h245-alpha||#dial-peer voice 30001 voip| #destination-pattern 3...| #voice-clas
8. On a gatekeeper trunk - how do you ensure the Sub is used as primary and Pub as backup?
SIP Dial Rules
When multiple sites use the same route pattern - do your digit manipulation on a route list.
Gw-priority command||#gatekeeper| #zone prefix CUCM 2... gw-priority 10 US_Trunk_2| #zone prefix CUCM 2... gw-priority 5 US_Trunk_1
9. What command is needed on a gateway for it to invoke the DSP to convert multicast MOH stream to TDM?
The <i>name</i> configuration field in ephone-dn and voice register dn
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
<i>#after-hours block pattern</i>
Ccm-manager music-on-hold
10. Is the order of the MRGs in an MRGL significant?
(config)#isdn switch-type primary-net5|(config)#network-clock-participate wic 0||(config)#Controller e1 0/0/0|(config-controller)#pri-group timeslot 1-3 !!!Get the PRI up!!!|(config-controller)#no shut||(config)#int s0/0/0:15|(config-if)#isdn outgoin
Sh ip rsvp reservation||sh sccp connections
At the Line or Device level. -- Sometimes unpredictable performance of assigned to the device though.
Yes. The media resources in the first MRG listed will be used before media resources in the second MGR listed.
11. How do you set the Call Park Reversion Timer?
Configure it on the route group through the route list - then it will be local to the route list.
...
Bottom up - to prevent glare.
CUCM Service Parameters --> <i>Call Park Reversion Timer</i>
12. What does <i>ccm-manager config server [IP]</ip> do?
1 ... this is not optional!
Sh ccm-manager
Automatically configures the MGCP GW for you.
Debug isdn q931
13. What are the basic SCCP Commands fro telephony-service in CUCME?
AAR -- Used for WAN Congestion|SRST -- Used for WAN Outage
Telephony-service|no auto-reg-ephone|max-ephones <NUM>|max-dn <NUM> no-reg|ip source-address <IP> port 2000|create cnf-files
Find the GUI Files - show flash | i .html|<i>ip http server</i>|<i>ip http path flash:/<PATH TO FILES></i>||telephony service|web admin system name admin pass cisco|dn-webedit
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
14. With the gw-priority command - does higher or lower priority take precedence?
Assign a logout-profile to the ephone.
Higher
Single Number Reach (Mobile Connect)
15. What are the commands to create the L3 routing interface for VLANS (SVI)?
<i>h225 timeout tcp establish 3</i> within a h323 voice class||#voice class h323 1|#h225 timeout tcp establish 3
At the Line or Device level. -- Sometimes unpredictable performance of assigned to the device though.
Int vlan 130|ip address 10.10.101.1 255.255.255.0|int vlan 240|ip address 10.10.201.1 255.255.255.0
(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
16. Where do you use VIA zone?
DDI - Digit Discard Instruction (PreDot)||Mask - most powerful (does DDI and Prefix)||Prefix - Prefixes digits|| **These three types are compounded in this order!
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>|| Stop routing on unallocated number flag - Set to False|| Stop routing user busy - Set to False
Phone number followed by domain name.|i.e. 3006@ipxcme.com
17. What are the commands to configure SIP phones in CME?
Voice register global|mode cme|source-address <IP>|max-dn <NUM>|max-pool <NUM>|tftp-path flash:/<PATH>|create profile||NOTE: You have to do a create profile every time you change the voice register pool
#voice class h323 1| #h225 timeout tcp establish 3||#dial-peer voice 3000 voip| #destination-pattern 3...| #voice-class h323 1| #session target ipv4:(SUB IP)| #dtmf-relay h245-alpha||#dial-peer voice 30001 voip| #destination-pattern 3...| #voice-clas
Service Parameters --> <i>Mobile Voice Access Number</i>
Reroute when here is WAN congestion.
18. How do you create a trunk on the switch side?
System --> Phone NTP Reference|Then Apply to System --> Date/Time Group
<b>CAT IOS</b>|switchport trunk encap dot1q|switchport mode trunk|switchport trunk native vlan 10 --> !!!DATA VLAN!!!
<i>Auto Call Pickup Enabled</i>
Vlan database|vlan 130 name DATA|vlan 240 name PHONES|apply|exit
19. What does KPML do?
Sh ip rsvp reservation||sh sccp connections
Bandwidth
Bottom up - to prevent glare.
Sends every digit to CUCM in real-time with digit-analysis being handled by CUCM.
20. How do you convert a full PRI 9config'd by ccm-manager config server) back to a Fractional PRI?
(config)#clock timezone|(config)#ntp server/master|(config)#sh ntp status to verify
<i>voice translation-profile</i>|and|<i>voice translation-rule</i>
IP Voice Media Streaming App
21. When setting up SIP URI where do you configure the CUCM's domain name?'
In the CUCM 7.0.1 Release Notes ... search for <i>restore</i>.
Enterprise Parameters --> <i>Organization Top Level Domain</i>|Enterprise Parameters --> <i>Cluster Fully Qualified Domain Name</i>
When they are explicitly matched in a destination-pattern in a dial-peer.
When I call in from off-net to a DID number in-net ... once authenticated - your calls appear to come from the desk phone.
22. What types of digit manipulation can you perform at the route pattern?
Use IPs instead of hostnames for all CUCM servers.|ENTERPRISE PARAMETERS --> Replace all CUCM hostnames with IPs in URLs
DDI - Digit Discard Instruction (PreDot)||Mask - most powerful (does DDI and Prefix)||Prefix - Prefixes digits|| **These three types are compounded in this order!
...
In CUCM - configure CFUR to point to it's E164 number.
23. Describe how you configure SIP URI functionality.
No it invokes the RSVP call agent on the IOS Router via SCCP message. i.e. use a Software MTP.
Gatekeeper| security acl answerarq 1||set up an access list permit whoever you want to allow
<i>sh ephone reg</i>|and|<i>debug voip dialpeer</i>
24. How do you allow the Calling Name to be sent to the PSTN on a router?
IP Voice Media Streaming App
TRUE
(config)#int s0/0/0:15 (this is created after you setup the PRI)|(config-if)#isdn outgoing display-ie
(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
25. What are the basic ephone-dn and ephone commands?
In CUCM - configure CFUR to point to it's E164 number.
On CUCM -- UPTSAL||Create Your <b>Users</b>|<b>Phone</b> - set owner id|Create SIP <b>Trunk</b>|<b>SIP Trunk Security Profile|</b>|<b>Application Server</b>|<b>Licensing|</b>|||On CUPS||Work Left to right
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
Dial-peers
26. Is the + character supported on a VOIP dial-peer?
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
27. What is the Service Parameter to allow the phone that is <i>picking ip</i> to auto answer?
1st the Subnet is recognized. (Device Mobility Info)|Then different Physical Locations are compared.
CM SERVICEABILITY TOOL --> SERVICE ACTIVATION --> Check all - then uncheck CMI and Security Services and activate.
<i>Auto Call Pickup Enabled</i>
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
28. How is NTP sych setup in CUCM?
CUCM OS Administration Settings --> NTP Servers
...
'Service Parameters --> <i>Auto Answer Timer</i>
(config)#clock timezone|(config)#ntp server/master|(config)#sh ntp status to verify
29. How do you prevent toll fraud on CUCM?
IP Voice Media Streaming App
SERVICE PARAMETER>|| Block Offnet to Offnet Transfer - Set to True
Re-enter the <i>mgcp bind control</i> and <i>mgcp bind media</i> commands.
Telephony service|ip source-address 10.10.110.2|max-dn <NUM>|max-ephone <NUM>|create cnf-files
30. Where is it best to manipulate digits for inbound calls?
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
31. In CUCME what SIP config command is equivalent to ephone and ephone-dn?
Sh ip rsvp reservation||sh sccp connections
At the CLI: <i>utils ntp status</i>
To enable two-stage dialing.
<i>voice register pool</i>|and|<i>voice register dn</i>
32. What are the commands to configure a MGCP Gateway? (router)
SERVICE PARAMETER> Automated Alternate Routing Enable > True
Gw-priority command||#gatekeeper| #zone prefix CUCM 2... gw-priority 10 US_Trunk_2| #zone prefix CUCM 2... gw-priority 5 US_Trunk_1
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
It's best to strip digits at the voice port.
33. What must you do for a BACD script to work on a CME router?
Enable MOH on the CME.||#<i>telephony service</i>|#<i>moh music-on-hold.au</i>
...
Top Down means that channel 1 will be the first channel used to place outgoing calls.
Dtmf-relay h245-alpha
34. Calls coming from CUCM to PSTN need what?
(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
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
Outbound dial-peers
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
35. How do you configure DHCP in IOS?
CUCM OS Administration Settings --> NTP Servers
Outbound dial-peers
When I call in from off-net to a DID number in-net ... once authenticated - your calls appear to come from the desk phone.
(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
36. On an MGCP GW - how could you see the primary and backup CUCM servers?
Dtmf-relay h245-alpha
SERVICE PARAMETER > Device Name of GK0controlled Trunk That Will Use Port 1720 > US_Trunk (or whatever you're using)||> Host Name/IP of GK That Will Use RAS UDP Port 1719 > (IP of GK) ||BE SURE TO RESTART THE TRUNK in CUCM and possibly the CUCM Servi
Show ccm-manager
It matches a route pattern| Which points to a route list| Which point to a route group| Which contains a GW or Trunk|*Then it needs to match on an incoming VOIP diap-peer (incoming called -number .)
37. How do you verify that NTP is working on the CUCM server?
Dial-peers
Use IPs instead of hostnames for all CUCM servers.|ENTERPRISE PARAMETERS --> Replace all CUCM hostnames with IPs in URLs
Ssh to the CUCM the phone is registered to|show perf query class 'Cisco MOH Device'
At the CLI: <i>utils ntp status</i>
38. How do you enable AAR?
RP affects the display on the calling phone.||RL affects What is sent to the gateway (called number).
...
SERVICE PARAMETER> Automated Alternate Routing Enable > True
Voice register global|mode cme|source-address <IP>|max-dn <NUM>|max-pool <NUM>|tftp-path flash:/<PATH>|create profile||NOTE: You have to do a create profile every time you change the voice register pool
39. What terminology translates to AAR?
Mobile Voice Access
Reroute when here is WAN congestion.
#test voice translation rule 1 <input to test>
When I call in from off-net to a DID number in-net ... once authenticated - your calls appear to come from the desk phone.
40. How do you set up redundancy on outbound dial-peers on an H323 gateway?
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
On CUCM -- UPTSAL||Create Your <b>Users</b>|<b>Phone</b> - set owner id|Create SIP <b>Trunk</b>|<b>SIP Trunk Security Profile|</b>|<b>Application Server</b>|<b>Licensing|</b>|||On CUPS||Work Left to right
Device Pool Locations
#voice-class h323 1|#h225 timeout tcp establish 3 (if no response within 3 seconds continue dial-peer hunting)
41. How do you configure SRST?
Call-manager-fallback</i> or <i>telephony-service mode SRST</i>
DDI - Digit Discard Instruction (PreDot)||Mask - most powerful (does DDI and Prefix)||Prefix - Prefixes digits|| **These three types are compounded in this order!
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
At the Line or Device level. -- Sometimes unpredictable performance of assigned to the device though.
42. How can you confirm the MGCP GW is registered to CUCM - in IOS?
No POTS dial-peer or no direct-inward-dial on a pots dial-peer
Put them in a route list.
Sh ccm-manager
<b>CAT IOS</b>|switchport trunk encap dot1q|switchport mode trunk|switchport trunk native vlan 10 --> !!!DATA VLAN!!!
43. How do you configure SIP phones to be able to call other SIP phones via SIP URI?
Find the GUI Files - show flash | i .html|<i>ip http server</i>|<i>ip http path flash:/<PATH TO FILES></i>||telephony service|web admin system name admin pass cisco|dn-webedit
<i>SIP Route Pattern</i> over a SIP Trunk.
Voice register global|mode cme|source-address <IP>|max-dn <NUM>|max-pool <NUM>|tftp-path flash:/<PATH>|create profile||NOTE: You have to do a create profile every time you change the voice register pool
SERVICE PARAMETER>|| Block Offnet to Offnet Transfer - Set to True
44. What are the base telephony-service commands for CME?
Telephony service|ip source-address 10.10.110.2|max-dn <NUM>|max-ephone <NUM>|create cnf-files
Phone number followed by domain name.|i.e. 3006@ipxcme.com
Configure it on the route group through the route list - then it will be local to the route list.
45. 'If you're not getting a DHCP address from CUCM what then?
At the Line or Device level. -- Sometimes unpredictable performance of assigned to the device though.
When they are explicitly matched in a destination-pattern in a dial-peer.
<b>CAT IOS</b>|switchport trunk encap dot1q|switchport mode trunk|switchport trunk native vlan 10 --> !!!DATA VLAN!!!
You may be running into a CSA bug. Disable CSA in CUCM by:|SSH to CUCM|<i>utils csa disable</i>
46. What are the commands to configure a SIP phone in CUCME?
Sends every digit to CUCM in real-time with digit-analysis being handled by CUCM.
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
DDI - Digit Discard Instruction (PreDot)||Mask - most powerful (does DDI and Prefix)||Prefix - Prefixes digits|| **These three types are compounded in this order!
'Use before the ... so XXXX
47. Name 2 commands to verify RSVP functionality.
Sh ip rsvp reservation||sh sccp connections
On CUCM -- UPTSAL||Create Your <b>Users</b>|<b>Phone</b> - set owner id|Create SIP <b>Trunk</b>|<b>SIP Trunk Security Profile|</b>|<b>Application Server</b>|<b>Licensing|</b>|||On CUPS||Work Left to right
Redundant dial plan. One on CUCM and one on the routers via dial-peers.
When configuring TEHO.
48. How do you prevent H323 caller-id updates to CUCM
#voice service voip| #no supplementary-service h225-notify cid-update
Int vlan 130|ip address 10.10.101.1 255.255.255.0|int vlan 240|ip address 10.10.201.1 255.255.255.0
Reroute when here is WAN congestion.
CUCM OS Administration Settings --> NTP Servers
49. How do you configure a SIP Trunk? (router side)
(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
You may be running into a CSA bug. Disable CSA in CUCM by:|SSH to CUCM|<i>utils csa disable</i>
(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
50. How do you configure a gateway to register with gatekeeper?
No POTS dial-peer or no direct-inward-dial on a pots dial-peer
Sends every digit to CUCM in real-time with digit-analysis being handled by CUCM.
#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
Master/Slave relationship. CUCM controls it.