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Exam: 400-051 - CCIE Collaboration Written
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David
Mexico
Apr 18, 2020
Q222

What
is the maximum number of option 66 IP addresses that a Cisco IP SCCP phone will
accept and use from a DHCP server? <--- the answer is A because option 66 only has one tftp ip adresss
CCIE
Jordan
Apr 08, 2020
Any updates guys ?
Hawkins
Saudi Arabia
Mar 27, 2020
Did anyone receive the active dump ?
Can anyone share it anywhere !?!?
Panjarakuttan
Qatar
Mar 17, 2020
Q220

Which
statement about using the Answer File Generator to load a Cisco Unified
Communications virtual machine is true?

128

A.
You must copy the output text to a file named platformConfig.txt.

B.
Each host should be copied to its own configuration file.

C.
The answer file can be used only when performing the new identity process to
load the Cisco Unified Communications virtual machines.

D.
The configuration file should be placed inside an ISO file and mounted on the
virtual machine.

Answer:
B

Explanation:

Q221

What
is the maximum number of option 150 IP addresses that a Cisco IP SCCP phone
will accept and use from a DHCP server?

A. 1

B. 2

C. 3

D. 4

E. 5

Answer:
B

Explanation:

Q222

What
is the maximum number of option 66 IP addresses that a Cisco IP SCCP phone will
accept and use from a DHCP server?

A. 1

B. 2

C. 3

D. 4

E. 5

Answer:
B

Explanation:

Q223

129

Which
two statements about BFCP with Cisco Unified Communications Manager are true?
(Choose two.)

A.
BFCP is supported only on full SIP networks.

B.
Cisco Unified Communications Manager allows BFCP only over UDP.

C.
BFCP is not supported for third-party endpoints.

D.
BFCP is not supported through Cisco Unified Border Element.

E.
BFCP is supported between Cisco Unified Communications Manager and a
TelePresence MCU.

Answer:
A,B

Explanation:

Q224

Which
two statements about the restrictions for support of H.239 are true? (Choose
two.)

A.
SIP to H323 video calls using H.239 are not supported.

B.
Redundancy for H.323 calls is not supported.

C.
H.239 calls are not supported over intercluster trunks with Cisco Unified
Communications Manager.

D.
H.239 is not supported with third-party endpoints.

E.
Cisco Unified Communications Manager supports a maximum of three video channels
when using H.239.

Answer:
A,B

Explanation:

Q225

Which
method does a Cisco Unified 9971 phone use to send keep-alive messages to Cisco
Unified Communications Manager?

A.
SIP NOTIFY with Event set to keep-alive

B.
SIP OPTIONS

C.
SIP REGISTER with Expires set to zero

D.
SCCP StationRegister

E.
SCCP StationServerReq

Answer:
C

130

Explanation:

Q226

Refer
to the exhibit.

Which
user agent has the recipient role in this SIP REFER call transfer?

A.
user agent A

B.
user agent B

C.
user agent C

D.
user agent B and C

E.
user agent A and B

Answer:
B

Explanation:

Q227

In a
SIP REFER-based call transfer, which SIP message is being used by the recipient
to notify the originator that the final recipient was successfully contacted?

131

A.
200 OK

B.
NOTIFY with a message body of 200 OK

C.
202 Accepted

D.
100 Trying

E.
200 BYE

Answer:
B

Explanation:

Q228

When
the Cisco Unified Communications Manager service parameter "Auto Call
Pickup Enabled" is selected, which two softkeys on an IP phone connect you
to an incoming call? (Choose two.)

A.
Pickup

B.
Gpickup

C.
CallBack

D.
Select

E.
Join

Answer:
A,B

Explanation:

Q229

Which
three requirements must be met to share Enhanced Location Based Call Admission
Control bandwidth usage between clusters? (Choose three.)

A.
The Cisco Unified Communications Manager version must be 8.6 or higher.

B.
The location name must be the same on both clusters.

C.
SIP ICT must use the Shadow location.

D.
The Location Bandwidth Manager Service should be started on only two servers in
each cluster.

E. A
Location Bandwidth Manager Hub Group must be created for each cluster.

F.
Links must be created to the Shadow location.

Answer:
B,C,E

Explanation:

132

Q230

Refer
to the exhibit.

The
exhibit shows an outgoing SIP 401 response message from Cisco Unified
Communications Manager to a SIP VoIP service provider gateway. Which action can
the Cisco Unified Communications Manager systems administrator use to change
the response to "200 OK"?

A.
Make sure the gateway IP address of the SIP VoIP service provider is defined
correctly in Cisco Unified Communications Manager SIP trunk.

B.
Enable OPTIONS ping on Cisco Unified Communications Manager SIP trunk.

C.
Disable OPTIONS ping on Cisco Unified Communications Manager SIP trunk.

D.
Create an SIP response alias to force outgoing 401 messages to "200
OK".

E.
Disable digest authentication on Cisco Unified Communications Manager SIP
trunk.

Answer:
E

Explanation:

Q231

On a
Cisco Unified Communications Manager SIP trunk with a single remote device and
OPTIONS ping feature enabled, which response from the SIP remote peer causes
the trunk to be marked as "Out of Service"?

A.
401 Unauthorized

B.
505 Version Not Supported

C.
406 Not Acceptable

D.
408 Request Timeout

E.
500 Server Internal Error

Answer:
D

Explanation:

133

Q232

Which
two responses from a SIP device, which is the only remote destination on a
Cisco Unified Communications Manager SIP trunk with OPTIONS ping enabled, cause
the trunk to be marked as "Out of Service"? (Choose two.)

A.
503 Service Unavailable

B.
408 Request Timeout

C.
505 Version Not Supported

D.
504 Server Timeout

E.
484 Address Incomplete

F.
404 Not Found

Answer:
A,B

Explanation:

Q233

Which
two statements about virtual SNR in Cisco Unified Communications Manager
Express are true? (Choose two.)

A. The
SNR DN must be configured as SCCP.

B.
Calls cannot be pulled back from the phone associated with the DN.

C.
Ephone hunt groups are supported.

D.
The virtual SNR DN must be assigned to an ephone.

E.
Music on hold is supported for trunk and line side calls.

Answer:
A,B

Explanation:

Q234

Refer
to the exhibit.

134

Which
two statements about calls that match dial-peer voice 7 voip are true? (Choose
two.)

A.
All calls that match dial-peer voice 7 use G.711.

B.
All calls that match dial-peer voice 7 have the Diversion header removed from
SIP Invites.

C.
All calls that match dial-peer voice 7 use NOTIFY-based, out-of-band DTMF
relay.

D.
All calls that match dial-peer voice 7 are marked with DSCP 32.

E.
All calls that match dial-peer voice 7 are marked with DSCP 34.

Answer:
B,E

Explanation:

Q235

Refer
to the exhibit.

135

Which
two statements about the show command output are true? (Choose two.)

A. T1
0/2/1 terminates Q.921 signaling to a Cisco Unified Communications Manager
server.

B.
T1 0/0/0 terminates Q.921 signaling on the gateway.

C.
T1 0/0/0 terminates SIP Signaling to a Cisco Unified Communications Manager
server.

D.
T1 0/0/0 terminates Q.931 signaling to a Cisco Unified Communications Manager
server.

E.
T1 0/2/1 terminates Q.931 signaling on the gateway.

Answer:
B,D

Explanation:

Q236

Refer
to the exhibit.

Which
number is sent as the caller ID when a user at extension 5001 places a call
that matches this translation profile?

A.
14087775001

136

B.
+4087775001

C.
4087750001

D.
+14087775001

Answer:
D

Explanation:

Q237

Which
two Cisco IOS multipoint video conferencing profiles are supported on the Cisco
Integrated Router Generation 2 with packet voice and video digital signal
processor 3? (Choose two.)

A.
homogeneous

B.
rendezvous

C.
guaranteed-audio

D.
scheduled

E.
guaranteed-video

F.
ad-hoc

Answer:
A,C

Explanation:

Q238

Which
Cisco IOS multipoint video conferencing profile is also known as best-effort
video on the Cisco Integrated Router Generation 2 with packet voice and video
digital signal processor 3?

A.
homogeneous

B.
guaranteed-audio

C.
rendezvous

D.
heterogeneous

E.
flex mode video

Answer:
B

Explanation:

Q239

Which
Cisco packet voice and video digital signal processor 3 can be used for video
mixing on a

137

Cisco
Integrated Router Generation 2?

A.
PVDM3-16

B.
PVDM3-32

C.
PVDM3-64

D.
PVDM3-128

Answer:
D

Explanation:

Q240

Which
three options are valid per-session video conference participants supported on
the Cisco Integrated Router Generation 2 with packet voice and video digital
signal processor 3? (Choose three.)

A. 3

B. 4

C. 6

D. 8

E. 9

F.
12

G.
16

Answer:
B,D,G

Explanation:

Q241

Refer
to the exhibit.

138

Which
option describes how this Cisco IOS SIP gateway, with an analog phone attached
to its FXS port, handles an incoming informational SIP 180 response message
without SDP?

A.
It will enable early media cut-through.

B.
It will generate local ring back.

C.
It will do nothing because the message is informational.

D.
It will terminate the call because this is an unsupported message format.

E.
It will take the FXS port offhook.

Answer:
B

Explanation:

Q242

Refer
to the exhibit.

139

Which
out-of-dialog SIP OPTIONS ping response put dial-peer tag 1111 into its current
operational state?

A.
501 Not Implemented

B.
504 Server Time-out

C.
408 Request Timeout

D.
486 Busy Here

E.
503 Service Unavailable

Answer:
E

Explanation:

Q243

Which
statement about what happens to a Cisco IOS SIP VoIP dial-peer that never
received any responses to its out-of-dialog OPTIONS ping is true?

A.
Its admin state will be up but operational state will be down.

B.
Its admin and operational state will be down.

C.
Its admin and operational state will remain up.

D.
Its admin state will be up but operational state will be "busy-out".

E.
Its admin and operational state will be "busy-out".

Answer:
A

Explanation:

Q244

Which
two are characteristics of jitter buffers? (Choose two.)

A.
Jitter buffers are used to change asynchronous packet arrivals into a
synchronous stream by turning variable network delays into constant delays at
the destination end systems.

B.
Jitter buffers are used to change asynchronous packet arrivals into a
synchronous stream by turning variable network delays into constant delays at
the sending systems.

C.
The role of the jitter buffer is to balance the delay and the probability of
interrupted playout due to late packets.

D.
The role of the jitter buffer is to queue late packets and reorder out-of-order
packets.

E.
Jitter buffers are used to change asynchronous packet arrivals into a
synchronous stream by queuing packets into constant delays at the sending
systems.

140

Answer:
A,C

Explanation:

Q245

Which
option is the default Cisco Wireless Unified Communications endpoints marking
for video media traffic or video RTP traffic?

A.
DSCP 8

B.
DSCP 24

C.
DSCP 34

D.
DSCP 46

Answer:
C

Explanation:

Q246

Which
two statements about Cisco Unified Communications Manager mixed-mode clusters
are true? (Choose two.)

A.
Cluster security mode configures the security capability for your standalone
server or a cluster.

B.
The device security mode in the phone configuration file is set to nonsecure.

C.
The phone makes nonsecure connections with Cisco Unified Communications Manager
even if the device security mode specifies authenticated or encrypted.

D.
Security-related settings other than device security mode, such as the SRST
Allowed check box, get ignored.

E.
Auto-registration does not work when you configure mixed mode.

Answer:
A,E

Explanation:

Q247

Refer
to the exhibit.

141

On
which two Cisco Unified CM Administration pages can a system administrator
define MTU for an SSL VPN tunnel connecting between a Cisco IP phone and a
Cisco IOS VPN gateway? (Choose two.)

A.
VPN Profile

B.
VPN Group

C.
VPN Gateway

D.
VPN Feature Configuration

E.
System, followed by Enterprise Parameters

F.
System, followed by Enterprise Phone Configuration

Answer:
A,D

Explanation:

Q248

Which
enrollment method does a Cisco IOS VPN router trustpoint use to install a Certificate
Authority Proxy Function certificate for LSC validation of a Cisco IP phone
client?

A.
HTTP proxy server

B.
certificate authority server URL

C.
terminal

D.
self signed

E.
registration authority

Answer:
C

Explanation:

142

Q249

Refer
to the exhibit.

The
public key infrastructure debugs are generated on a Cisco IOS VPN router for a
failed certification validation on an incoming connection from an IP phone
client. Which option is a possible solution for this problem?

A.
Define a matching Certification Revocation List on the Cisco IOS VPN router.

B.
Define a Certification Revocation List in the IP phone certificate.

C. Disable
revocation check for the trustpoint.

D.
Define an enrollment URL for the trustpoint.

E.
Define a matching Certification Revocation List on the Cisco Unified
Communications Manager.

Answer:
C

Explanation:

Q250

Refer
to the exhibit.

143

Cisco
Unity Connection Site A has two locations. Cisco Unity Connection Site B has
one location. Which protocols connect the locations and servers together for
messaging and replication?

A. 1
- SMTP

2 -
HTTP/HTTPS, SMTP

3 -
None

B. 1
- SMTP

2 -
SMTP

3 -
SMTP

C. 1
- HTTP/HTTPS, SMTP

2 -
HTTP/HTTPS, SMTP

3 -
HTTP/HTTPS, SMTP

D. 1
- HTTP/HTTPS, SMTP

2 -
SMTP

3 ­
None

144

Answer:
A

Explanation:

Q251

In
Cisco Unity Connection, to which three configuration dialog boxes can a user
assign a search space? (Choose three.)

A.
Routing Rule

B.
Call Handler

C.
Interview Handler

D.
Contacts

E.
Users

F.
Port

G.
Phone System

Answer:
A,B,E

Explanation:

Q252

Which
two search scope options are removed from a directory handler when you check
the "voice enabled" check box? (Choose two.)

A.
Class of Service

B. System
Distribution List

C.
Search Space

D.
Partition

E.
Phone System

Answer:
A,B

Explanation:

Q253

Refer
to the exhibit.

145

Assume
that all shown agents are available to take a call. Which agent will receive
the call when a select resource step is triggered in the script for the
Customer Service CSQ?

A.
s1dispatch-PA

B.
s1dispatch-OH

C.
the agent that has been idle the longest

D.
the agent with the shortest handled time

Answer:
A

Explanation:

Q254

Which
two guidelines are recommended when configuring agent phones for Cisco Unified
CCX agents? (Choose two.)

A.
In the Multiple Call/Call Waiting Settings section, set the Maximum Number of
Calls to 2.

B.
In the Multiple Call/Call Waiting Settings section, set the Busy Trigger value
to 2.

C.
The Unified CCX extension for the agent must be listed within the top four
extensions on the device profile.

D.
In the Multiple Call/Call Waiting Settings section, set the Maximum Number of
Calls to at least 3.

E.
Always enable SRTP when configuring an agent phone.

Answer:
A,C

146

Explanation:

Q255

Which
three issues prevent a customer from seeing the presence status of a new
contact in their Jabber contact list? (Choose three.)

A.
incoming calling search space on SIP trunk to IM&P

B.
IM&P incoming ACL blocking inbound status

C.
subscribe calling search space on SIP trunk to IM&P

D.
PC cannot resolve the FQDN of IM&P

E.
Owner user ID is not set on device.

F.
Primary DN is not set in end user configuration for that user.

G.
Subscriber calling search space is not defined on user's phone.

Answer:
B,C,D

Explanation:

Q256

Which
option describes how you can show the same contacts in your Jabber for Windows
on- premise client as you do on the corporate directory of your IP phone?

A.
Switch your Jabber client to use UDS instead of EDI.

B.
Switch your Jabber client to use EDI instead of UDS.

C.
Update your IM&P server to sync off of the same LDAP directory as your
Cisco Unified Communications Manager.

D.
Add Jabber to your inbound/outbound firewall rules on your PC.

E.
Jabber can only pull directly from LDAP and cannot directly search the Cisco
Unified Communications Manager user database.

Answer:
A

Explanation:

Q257

Two
Jabber clients are unable to pass instant messages between each other. What is
the appropriate next step?

147

A.
Review XCP router logs.

B.
Open port 5060 on the firewalls between the PCs and the IM&P servers.

C.
Review SIP proxy logs.

D.
Review Help > Show Connection Status in each Jabber client, and pull logs as
necessary.

Answer:
A

Explanation:

Q258

Which
three statements about configuring partitioned intradomain federation to Lync
are true? (Choose three.)

A.
Intradomain federation to Lync is only possible using SIP.

B.
IM&P and Lync should federate to any required remote domains.

C. You
must update the URIs of any users migrated from Lync to IM&P to match the
Cisco Unified Presence Server SIP URI format.

D. A
static route must be added to point the local presence domain to the Lync
server.

E.
Microsoft RCC must be enabled.

F.
The Enable use of Email Address when Federating option can be turned on if SIP
URIs are different between IM&P and Lync.

Answer:
A,C,D

Explanation:

Q259

Which
three services must be stopped to change the IM & Presence service default
domain setting of DOMAIN.NOT.SET? (Choose three.)

A.
Cisco XCP Router

B.
Cisco Intercluster Sync Agent

C.
Cisco XCP Authentication Service

D.
Cisco SIP Proxy

E.
Cisco Presence Engine

F.
Cisco AXL Web service

Answer:
A,D,E

Explanation:

148

Q260

Which
two settings should be configured on the SIP Trunk Security Profile for the IM
& Presence Service SIP Trunk? (Choose two.)

A.
Check to enable Accept Presence Subscription.

B. Verify
that the setting for Incoming Transport Type is TCP+UDP.

C.
Configure Device Security Mode to Encrypted.

D.
Check to enable Enable Application Level Authorization.

E.
Configure the Outgoing Transport Type to TLS.

Answer:
A,B
collabwannabe
South Africa
Mar 09, 2020
Come on prepaway. Please upload the file that Panjarakuttan uplaoded
:)
Panjarakuttan
Qatar
Feb 25, 2020
I already posted latest dump on 15.11.2017.
But y they r not updating?
Islam
Unknown country
Feb 15, 2020
not valid
CCIE
Jordan
Feb 08, 2020
Guys,
Please anybody applied for the exam recently ? Is this one valid ?
2sets
Turkey
Jan 24, 2020
Is dump valid? Everbody says that a new question pool added to ernestine-219q. Does dump cover second pool?

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