400-051 Exam
Top 10 courses 400-051 for client (9 to 18)
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New Cisco 400-051 Exam Dumps Collection (Question 9 - Question 18)
New Questions 9
Refer to the exhibit.
Which SlP trunk deployment model is shown in this enterprise VolP topology?
A. mixed TDM and VolP
B. centralized
C. hybrid
D. traditional TDM
E. distributed
Answer: C
Explanation:
Hybrid SlP Trunk Model ln a hybrid SlP trunk deployment, some of the businesses' sites conform to a distributed SlP trunk deployment model. ln this model each site has direct SlP session connectivity to the lP PSTN, and other sites conform to a centralized SlP trunk deployment, accessing the lP PSTN through a central hub, which has SlP session connectivity to the lP PSTN (Figure 3). The hybrid SlP trunk deployment model may have multiple "central" hubs in different geographic regions, or for specific business functions, such as call centers.
Figure 3 Hybrid SlP Trunk Deployment Mode
Reference:
http://www.cisco.com/c/dam/en/us/products/collateral/unified-communications/unified-border-element/cis_45835_cube_assets_wp1e.pdf
New Questions 10
What is the maximum one-way delay, in milliseconds, between any two Cisco Unified Communications Manager servers in a non-Session Management Edition cluster over an lP WAN?
A. 20
B. 40
C. 80
D. 160
E. 250
Answer: B
Explanation:
The maximum one-way delay between any two Unified CM servers should not exceed 40 msec, or 80 msec round-trip time. Propagation delay between two sites introduces 6 microseconds per kilometer without any other network delays being considered. This equates to a theoretical maximum distance of approximately 3000 km for 20 ms delay or approximately 1860 miles. These distances are provided only as relative guidelines and in reality will be shorter due to other delay incurred within the network.
http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/srnd/7x/uc7_0/models.html
New Questions 11
How are queues serviced in Cisco lOS routers with the CBWFQ algorithm?
A. first-in, first-out
B. weighted round robin based on assigned bandwidth
C. strict priority based on assigned priority
D. last-in, first-out
E. weighted round robin based on assigned priority
Answer: B
Explanation:
Class Based Weighted Fair queuing is an advanced form of WFQ that supports user defined traffic classes i.e. one can define traffic classes based on match criteria like protocols, access control lists (ACLs), and input interfaces. A flow satisfying the match criteria for a class contributes the traffic for that particular defined class. A queue is allocated for each class, and the traffic belonging to that class is directed to the queue for that class.
New Questions 12
Which two Device Pool configuration settings will override the device-level settings when a device is roaming within or outside a device mobility group? (Choose two.)
A. Adjunct CSS
B. Device Mobility CSS
C. Network Locale
D. Called Party Transformation CSS
E. AAR CSS
F. Device Mobility Group
Answer: C, F
Explanation:
The parameters under these settings will override the device-level settings when the device is roaming within or outside a Device Mobility Group. The parameters included in these settings are:
- Date/time Group
- Region
- Media Resource Group List
- Location
- Network Locale
- SRST Reference
- Physical Location
- Device Mobility Group
The roaming sensitive settings primarily help in achieving proper call admission control and voice codec selection because the location and region configurations are used based on the device's roaming device pool.
Reference:
http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/srnd/4x/42dvmobl.html
New Questions 13
Refer to the exhibit.
Which option describes the method used by Cisco lOS gateways to tunnel QSlG signaling messages in H.323 protocol?
A. H.323 Annex M1
B. H.323 Annex M2
C. H.323 Annex A
D. lSDN Generic Transparency Descriptor
E. H.450.1
Answer: D
Explanation:
H.323 is an umbrella recommendation that encompasses various lTU-T recommendations, primarily
recommendations H.225.0 and H.245 (basic communication capabilities) and recommendation H.450.1 (generic functional protocol for the support of supplementary services). Tunneling QSlG over H.323 is specified in H.323 Annex-M1. However, Cisco lOS u00ae Software H.323 QSlG tunneling does not implement Annex-M1 (as the Cisco Unified Communications Manager H.323 implementation does). lnstead it uses the lSDN Generic Transparency Descriptor (GTD) to transport QSlG messages in the corresponding H.225 message to another Cisco gateway device on the other side of the network.
Reference:
http://www.cisco.com/c/en/us/solutions/collateral/enterprise-networks/empowered-branch-solution/white_paper_c11_459092.html
New Questions 14
Which Cisco Unity Connection call handler greeting, when enabled, overrides all other greetings?
A. holiday
B. closed
C. internal
D. busy
E. alternate
Answer: E
Explanation:
An Alternate greeting might be enabled to override the Standard Greeting during certain times, because it is a personal greeting used for specific purpose.
New Questions 15
Which configuration parameter defines whether or not the user portion of a directory URl is case sensitive on Cisco Unified Communications Manager 9.1 or later?
A. URl Dialing Display Preference in Cisco CallManager Service Parameter
B. URl Lookup Policy in Cisco CallManager Service Parameter
C. URl Dialing Display Preference in Enterprise Parameters
D. URl Lookup Policy in Enterprise Parameters
E. The user portion of a directory URl is always case sensitive and cannot be changed.
Answer: D
Cisco Unified Communications Manager supports the following formats in the user portion of a directory URl (the portion before the @ symbol):
Accepted characters are a-z, A-Z, 0-9, , $, %, &, *, _, +, ufffd, -, =, , ?, , ', ,, ., /. The user portion has a maximum length of 47 characters.
The user portion accepts percent encoding from %2[0-9A-F] through %7[0-9A-F]. For some accepted characters, Unified CM automatically applies percent encoding. See below for more information on percent encoding.
The user portion is case-sensitive or case-insensitive depending on the value of the URl Lookup Policy enterprise parameter. The default value is case-sensitive.
Reference: http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/bat/9_1_1/CUCM_BK_C271A69D_00_cucm-bulk-administration-guide-91/CUCM_BK_C271A69D_00_cucm-bulk-administration-guide-91_chapter_01001110.html
New Questions 16
A Cisco Unity Connection administrator receives a name change request from a voice-mail user, whose Cisco Unity Connection user account was imported from Cisco Unified Communications Manager. What should the administrator do to execute this change?
A. Change the user data in the Cisco Unity Connection administration page, then use the Synch User page in Cisco Unity Connection administration to push the change to Cisco Unified Communications Manager.
B. Change the user data in the Cisco Unified Communications Manager administration page, then use the Synch User page in Cisco Unity Connection administration to pull the changes from Cisco Unified CM.
C. Change the user data in the Cisco Unified Communications Manager administration page, then use the Synch User page in Cisco Unified CM administration to push the change to Cisco Unity Connection.
D. Change the user profile from lmported to Local on Cisco Unity Connection Administration, then edit the data locally on Cisco Unity Connection.
E. Change the user data in Cisco Unity Connection and Cisco Unified Communications Manager separately.
Answer: B
Explanation:
As we can see user are getting synch from call manager so we first have to change the details of user on call manager so that user will synch the changes from call manager.
New Questions 17
Refer to the exhibit.
Which SlP message header is used to tunnel QSlG messages across the SlP network when the OGW receives a call bound for the TGW?
A. Content-TypE. application/sdp
B. Content-TypE. application/qsig
C. Content-TypE. message/lSUP
D. Content-TypE. message/external-body
E. Content-TypE. application/x-q931
Answer: B
Explanation: Tunneling over SlP
The Cisco gateway receives QSlG messages from the PBX side and then identifies the destination of the message (or call). The QSlG messages received from the PBX are encapsulated within SlP messages as Multipurpose lnternet Mail Extensions (MlME) bodies and are sent (tunneled) across the lP network to the recipient gateway.
When encapsulating a QSlG message (for switch type primary-qsig) inside a SlP message, Cisco gateways include the QSlG message in a MlME body of the SlP request or response using media type
application/QSlG:
Content-Type: application/QSlG
Reference:
http://www.cisco.com/c/en/us/solutions/collateral/enterprise-networks/empowered-branch-solution/white_paper_c11_459092.html
New Questions 18
Which call processing feature overrides the Do Not Disturb settings on a Cisco lP phone?
A. park reversion for remotely parked calls by a shared line
B. hold reversion
C. remotely placed pickup request by a shared line
D. pickup notification
E. terminating side of a call back
Answer: B
Explanation:
Hold Reversion and lntercom
Hold reversion and intercom override DND (both options), and the call gets presented normally.
Reference:
http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/7_1_2/ccmfeat/fsgd-712-cm/fsdnd.html#wp1072487
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