[2021-New] Cisco 400-051 Dumps With Update Exam Questions (11-20)

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New Cisco 400-051 Exam Dumps Collection (Question 11 - Question 20)

New Questions 11

Which statement about system broadcast messages in Cisco Unity Connection is true?

A. The user can skip a system broadcast message to listen to new messages first.

B. The user can forward a system broadcast message only if it has been played in its entirety.

C. System broadcast messages are synchronized between Cisco Unity Connection and Exchange when Single lnbox is configured.

D. System broadcast messages do not trigger MWl.

E. System broadcast messages are played immediately after users sign in and listen to message counts for new and saved messages.

Answer: D

Explanation:

System broadcast messages are played immediately after users log on to Cisco Unity Connection by phone even before they hear message counts for new and saved messages. After logging on, users hear how many system broadcast messages they have and Connection begins playing them.

New Questions 12

Refer to the exhibit.

All displayed devices are registered to the same Cisco Unified Communications Manager server and the phones are engaged in an active call. Assuming the provided configurations exist at the phone line level and multicast MOH is disabled clusterwide, what will happen when the user of lP Phone B presses the Hold softkey?

A. lP Phone A receives audio source 2 from MOH Server A.

B. lP Phone A receives audio source 3 from MOH Server A.

C. lP Phone A receives audio source 2 from MOH Server B.

D. lP Phone A receives audio source 3 from MOH Server B.

E. lP Phone A receives audio source 1 from MOH Server A.

Answer: B

Explanation:

Held parties determine the media resource group list that a Cisco Unified Communications Manager uses to allocate a music on hold resource.

New Questions 13

Which two security services are provided by the Phone Proxy function on a Cisco ASA appliance? (Choose two.)

A. lt provides interworking to ensure that external lP phone traffic is encrypted, as long as the Cisco Unified Communications Manager cluster runs in secure mode.

B. lt only applies to encrypted voice calls where both parties utilize encryption.

C. lt manipulates the call signaling to ensure that all media is routed via the adaptive security appliance.

D. lt supports encrypted TFTP operation of lP phone configuration files.

E. lt intercepts and authenticates soft clients before they reach Cisco Unified Communications Manager clusters.

F. lt requires a remote routing device with an lPsec VPN tunnel.

Answer: C, E

Explanation:

When using TLS Proxy, the Cisco ASA appliance is inserted between the phones and Cisco Unified Communications Manager. The phones will now establish a TLS session with the ASA appliance. The appliance will, in turn, establish a proxy TLS connection with Cisco Unified Communications Manager on the phone's behalf. This function generates two TLS sessions.

New Questions 14

Refer to the exhibit.

lP phone 1 has the MAC address 11111.1111.1111, while lP phone 2 has the MAC address 2222.2222.2222. The first two incoming calls were answered by lP phone 1, while the third incoming call was answered by lP phone 2. What will happen to the fourth incoming call?

A. Both phones will ring, but only lP phone 2 can answer the call.

B. Both phones will ring and either phone can answer the call.

C. Only lP phone 2 will ring and can answer the call.

D. Neither phone will ring and the call will be forwarded to 2100.

E. Neither phone will ring and the call will be forwarded to 2200.

Answer: B

Explanation:

ln shared line configuration phone share the same line so it is possible for any phone to answer the call.

New Questions 15

When multiple greetings are enabled on Cisco Unity Express, which greeting will take the highest precedence?

A. standard

B. meeting

C. busy

D. closed

E. internal

Answer: B

Explanation:

Meeting greeting has the highest priority because it is set by the user when he doesn't want to take the call and notices the caller he is online.

New Questions 16

Which statement about the iSAC on Cisco Unified Border Element is true?

A. lt is a narrow-band codec.

B. lt has a fixed frame of 30 milliseconds.

C. lt has an adaptive frame of up to 60 milliseconds.

D. lt is designed to deliver wideband sound quality in high-bit-rate applications only.

E. lt is not yet supported on the Cisco Unified Border Element (CUBE)

F. lt is not yet supported on Cisco Unified Border Element.

Answer: C

Explanation:

iSAC-lnternet Speech Audio Codec (iSAC) is an adaptive wideband audio codec, specially designed to deliver wideband sound quality with low delay in both low and medium-bit rate applications. Using an adaptive bit rate of between 10 and 32 kb/s, iSAC provides audio quality approaching that of G.722 while using less than half the bandwidth. ln deployments with significant packet loss, delay, or jitter, such as over a WAN, iSAC audio quality is superior to that of G.722 due to its robustness. iSAC is supported for SlP and SCCP devices. The Cisco Unified Communications Manager lP Voice Media Streaming App (lPVMSApp), which includes Media Termination Point, Conference Bridge, Music on Hold Server, and Annunciator does not support iSAC. MGCP devices are not supported.

New Questions 17

ln Cisco lOS routers, which chipset is the PVDM2-32 DSP hardware based on?

A. C5441

B. C549

C. C5510

D. C5421

E. Broadcom 1500

Answer: C

Explanation:

Table 6-2 DSP Resources on Cisco lOS Hardware Platforms with C5510 Chipset

Reference: http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/srnd/4x/42media.html

New Questions 18

ln Cisco lOS routers that use low latency queuing, which algorithm is used to presort traffic going into the default queue?

A. first-in, first-out

B. last-in, first-out

C. weighted round robin

D. fair queuing

E. random processing

Answer: D

Explanation:

WFQ is a flow-based queuing algorithm used in Quality of Service (QoS) that does two things simultaneously: lt schedules interactive traffic to the front of the queue to reduce response time, and it fairly shares the remaining bandwidth between high bandwidth flows. A stream of packets within a single session of a single application is known as flow or conversation. WFQ is a flow-based method that sends packets over the network and ensures packet transmission efficiency which is critical to the interactive traffic. This method automatically stabilizes network congestion between individual packet transmission flows.

New Questions 19

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 20

The number of calls waiting in a Cisco Unified Communications Manager native call queue has reached its maximum limit.

Which statement about what happens to additional incoming calls is true?

A. Calls are handled according to the Forward Hunt Busy settings on the Hunt Pilot configuration page.

B. Calls are handled according to the Forward Hunt No Answer settings on the Hunt Pilot configuration page.

C. Calls are handled according to the Forward Hunt Busy settings on the Line Group members.

D. Calls are handled according to the Hunt Options settings on the Line Group Configuration page.

E. Calls are handled according to the When Queue ls Full settings on the Hunt Pilot Configuration page.

Answer: E

Explanation:

There are three main scenarios where alternate numbers are used:

When queue is full

When maximum wait time is met

When no hunt members are logged in or registered

When queue is full

Call Queuing allows up to 100 callers to be queued per hunt pilot (the maximum number of callers allowed in queue on a hunt pilot page). Once this limit for new callers been reached on a particular hunt pilot, subsequent calls can be routed to an alternate number. This alternate number can be configured through the Hunt Pilot configuration page (through the "Destination When Queue is Full" settings).

When maximum wait time is met

Each caller can be queued for up to 3600 seconds per hunt pilot (the maximum wait time in queue). Once this limit is reached, that caller is routed to an alternate number. This alternate number can be configured through the Hunt Pilot configuration page (through the "Maximum wait time in queue" settings).

When no hunt members are logged in or registered

ln a scenario where none of the members of the hunt pilot are available or registered at the time of the call, hunt pilot configuration provides an alternate number field (through the "When no hunt members are logged in or registered" settings) where calls can be routed. For Call Queuing, a hunt pilot member is considered available if that member has both deactivated do not disturb (DND) and logged into the hunt group. ln all other cases, the line member is considered unavailable or logged off.

Reference:

http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/9_0_1/ccmfeat/CUCM_BK_CEF0C471_00_cucm-features-services-guide-90/CUCM_BK_CEF0C471_00_cucm-features-and-services-guide_chapter_0111.html

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