PCVE (Dan's) Flashcards
1
Q
When adding an MCU to the Virtualization Manager (DMA) for the first time, which three variables must you enter?
A
name, admin username and password, and management IP address
2
Q
Where are the primary and secondary RSS recording rates set
A
Template
3
Q
When providing HDX logs to Polycom Global Services, select the option which must always be sent
A
Support Information Package
4
Q
What is the default password on an HDX endpoint
A
HDX Serial Number
5
Q
Which of the following are three roles supported by the RMX
A
Administrator, Auditor, and Operator
6
Q
You try to use an RMX recording link which you know works, but it won’t work with one meeting room in particular. Select the option likely to be the issue
A
Mismatched encryption settings
7
Q
Which protocol does SIP use for control while in a call
A
SDP
8
Q
When working through the setup wizard on an HDX endpoint, selecting manual network configuration enables you to set which two of the following
A
IP address and DNS
9
Q
You are trying to schedule a conference on the CMA but when you log in with your administrator account you can’t see the Scheduling menu. What is wrong?
A
Lack of Scheduler privileges in your User account
10
Q
You are trying to schedule a conference using the CMA but the participant you are adding keeps coming up as attending “In Person” when you know they have an endpoint. How do you resolve this?
A
Associate the user with their endpoint
11
Q
What is the default password on an HDX endpoint?
A
HDX serial number
12
Q
You are trying to register an endpoint to the CMA gatekeeper and it isn’t appearing in the Endpoint>Monitor View page. Where do you look to find out what the problem is?
A
Gatekeeper Message Log
13
Q
Which Virtualization Manager (DMA) function refers to the ease with which a solution can be expanded to meet further demand?
A
Scalability
14
Q
If a Resource Manager or Converged Management Application (CMA) conference template references an existing RMX conference profile, what must match absolutely exactly
A
Routing name
15
Q
Select two ways in which a signal can change
A
Amplitude and Frequency
16
Q
When connecting a new MCU to a Virtualization Manager (DMA) or Converged Management Application (CMA)for the first time, which of the following is automatically created?
A
Prefix
17
Q
Umbrella standards are
A
standards which have other standards beneath them
18
Q
You are trying to share a DVD as content in a Virtualization Manager (DMA) conference room and the picture is breaking up. Select the best two troubleshooting steps for this issue
A
Check the line rate of the connection and check the Content Video Definition settings in the template
19
Q
A signal which is made up of a sequence of discrete values over time is
A
Digital
20
Q
A customer would like to enable SIP on their RSS, select the options they will be able to configure
A
Register to a SIP server, connect to an outbound proxy server, transport type, and Authentication username/password
21
Q
When VSW mode is enabled in an RMX conference profile, how many resources does each participant use at 1080P resolution
A
1
22
Q
Your customer has asked if they should perform the CMA integration on their new Virtualization Manager (DMA), as they aren’t sure what it does. How do you explain?
A
The CMA integration allows the DMA to view and use the CMA site topology
23
Q
What is the measurement of how loud a sound is?
A
Decibels
24
Q
Do you need to add a new Virtualization Manager (DMA) activation key following an upgrade?
A
Possibly, depending on the type of upgrade
25
Successfully entering and authenticating provisioning server settings during HDX setup allows what?
Dynamic Management Mode
26
When scheduling with an RMX, an RMX registration entry must be added. Which two of the following must be added to the Resource Manager or Converged Management Application (CMA) for this to work?
RMX user name and RMX password
27
A large corporate law firm would like to allow external access but are reluctant to make major changes to their firewall. Which VBP implementation would work best?
TLS Traversal
28
H.264 provides which resolutions?
HD
29
Out of the following, select two functions managed by H.245
Chairperson control and picture refresh requests
30
Which port is used to connect to the RMX management interface by default?
80
31
H.323 is
an umbrella standard
32
Any device which does not have an IP subnet configuration in a Resource Manager or Converged Management Application (CMA) site appears where in the site topology?
Internet/VPN
33
A SIP registrar provides which two functions?
Endpoint registration and alias dialing
34
A customer would like her employees to use video from home without the cost of a VPN. Which VBP should the customer buy?
ST-series
35
When working through the HDX setup, which of the following are not set
Encryption
36
UDP fits in the TCP/IP model under which layer?
Transport
37
Which Virtualization Manager (DMA) function refers to the ability to recover quickly from an interrupting event?
Resiliency
38
Your customer reports that every conference started by the Virtualization Manager (DMA) disconnects all participants after one hour, which they think is a fault. Select the option which may be causing the issue?
The DMA conference settings only allow a duration of one hour
39
Resource Manager or Converged Management Application (CMA) Active Directory integration is possible with which two of these options?
Security Groups with Universal scope and Distribution Groups with Universal scope
40
You would like to confirm that an endpoint is registered to the Virtualization Manager (DMA) gatekeeper. Select the option which best describes how you can do this:
Any/all of these
41
What is used by an HDX endpoint to encrypt an H.323 conferece?
AES
42
RAS uses which protocol?
H.225
43
You dial into a VRR and recording does not start immediately. Where is the first place to check?
VRR
44
The Resource Manager Endpoint or Converged Management Application (CMA) Usuage Report is which three of these?
Exportable, configuration, and presented as text or graphics
45
Which protocol is used to send SIP media?
RTP
46
Which protocol take care of control while in a call?
H.245
47
What does CIF stand for?
Common Intermediate Format
48
Which function allows the Virtualization Manager (DMA) to automatically generate a conference room for all users?
Active Directory integration
49
The digital representation of an analog waveform at a point in time is called a
Sample
50
What is the first SIP request seen when dialing an endpoint?
Invite
51
The Resource Manager or Converged Management Application (CMA) Site Statistics report is what?
Real-time only
52
You have plugged your HDX endpoint into a known-good network connection and powered it up. You try and dial another endpoint but the call fails. Select two possible causes:
You dial an E.164 alias but are not registered to a GK and you dial an IP address but are registered to a GK
53
When connecting to a Resource Manager or Converged Managemeent Application (CMA) for the first time, which is the correct username and password?
admin/admin
54
H.225 provides which three functions?
call setup via Q.913, RAS, and framing
55
The Converged Management Application (CMA) licensing model affects which two of the following options:
Concurrent calls and Registered devices
56
Which external database is supported for Converged Management Application (CMA) Redundancy?
Microsoft SQL server
57
You try to dial an endpoint which you know to be registered to the Virtualization Manager (DMA) gatekeeper but the call doesn't connect. Select two options which might cause this issue:
The endpoint IP address is not listed in a site and internet dialing is not allowed and your endpoint is not registered to the same gatekeeper and your gatekeeper is not neighbored.
58
When connecting to a Virtualization Manager (DMA) for the first time, which is the correct username and password?
admin/admin
59
H.261 provides which two resolutions?
QCIF and CIF
60
You dial into an RMX meeting room at 1024 Kbps, but the line rate keeps dropping to 512 Kbps. Select the best two RMX troubleshooting steps for this issue:
Check the line rate on the default EQ and check the line rate on the conference profile
61
How many IP addresses does a local Virtualization Manager (DMA) cluster require?
Three
62
Ethernet fits in the TCP/IP model under which layer?
Link (Network Access)
63
You are attempting to schedule a multipoint conference on the CMA, and all seems well until the call does not start. Select the two best troubleshooting options:
Check that the RMX profile name in Conference Templates is identical to the routing name of the RMX conference profile and Check that there is an RMX entry under Network Devices > MCU in addition to the MCU entry
64
Ethernet encapsulates data into a
frame
65
When adding an MCU to the Virtualization Manager (DMA) for the first time, which three variables could you enter
Direct dial in prefix, SIP signaling IP, and Reserved ports for scheduling
66
When making a call using AES encryption, which of the two following options will allow the far end HDX to connect
Required for All Calls and When Available
67
Which optional network capability becomes mandatory if automatic dynamic management of HDX endpoints by the Resource Manager or Converged Management Application (CMA) is required?
DNS SRV record
68
You have three MCUs connected to a Virtualization Manager (DMA) but calls only seem to land on two of them. Select two things you could do to troubleshoot this:
Check if any MCU has been taken out of service and Check if any MCU has any alerts or erros
69
Two examples of companding algorithms are
A-law and u-law
70
A digital signal can be enhanced to help it go further using a device called a
repeater
71
The technique used for reproducing an analog waveform as a digital signal is called
Pulse Code Modulation
72
The aspect ratio of a High Definition signal is
16:9
73
When Virtualization Manager (DMA) conference rooms have been automated during the relevant integration, how long are the conference room IDs?
the length of the conference room is configured prior to generation
74
Which of the following id the name that registers RMX conferences meeting any gatekeeper or SIP server
Routing name
75
Which Virtualization Manager (DMA) function will stop any more calls starting on an MCU without disconnecting any existing calls?
Busy Out
76
Which of the following are three valid Resource Manager or Converged Management Application (CMA) user roles
Device Administrator, Scheduler, and Auditor
77
How is the volume level of the RMX IVR configured
System Flags
78
Whic RMX function allows you ti schedule future conferences?
Reservations
79
How do you enablee or disable web monitoriing on an HDX
via the remote control
80
You are configuring an RMX for the first time and go to into the RMX Time menu to fix an error. Select the option you could also configure here
NTP server settings
81
What is the default IP address used to connect to the RMX
192.168.1.254
82
When using a RMX recording link, what configuration is mandatory on the RSS
None
83
What is tyhe file typw used by the HDX endpoint when performing a software update
pup
84
RTP fits in the TCP/IP model under which layer
Application
85
When configuring a user's Virtualization Manager (DMA) conference room, you can only use the default pool and pool orders
False
86
Which two network troubleshooting capabilities are included within the HDX browser interface
Trace route and ping
87
Where can you customize the DTMF codes used by the RMX
IVR Service
88
Which of the following are three valid RSS user roles
User, Administrator, and Auditor
89
Your customer has an issue with their Virtualization Manager (DMA) and they contact Polycom Global Service for support. Select the option which best describes what they will need to supply PGS:
System Log Files plus any additional files specifically requested
90
Compression is the act of
reducing the number of bits required to send a frame
91
You are trying to dial into a Virtualization Manager (DMA) conference room at 1024 kbps, but the line rate keeps dropping to 512 kbps, Select the best two DMA troubleshooting steps for this issue:
If using a custom template, check the line rate of the template and if using an MCU profile, check the line rate of the conference profile on the MCU
92
Seklect three RSS options which are available using activation keys
HD live streaming, encryption, and Multicast
93
Which Virtualization Manager (DMA) function ensures resources are available in the event of a failure somewhere in the network
Redundancy
94
Which device is used to change electrical energy into sound energy so that the near-end audience can hear the far-end audience
Speaker
95
Which Virtualization Manager (DMA) function enables multiple MCUs to appear as one single resource available to the end user
Virtualization
96
Two common HD video resolutions are
1920x1080 and 1280x720
97
Any device which does not have an IP subnet configured in a network site appears where in the Virtualization Manager (DMA) site topology
Internet/VPN
98
Sharing content in a SIP call requires which protocol
Binary Floor Control Protocol
99
Which two of the following devices can be dynamically managed using the Resource Manager or Converged Management Application (CMA)
Polycom VVX and Polycom HDX
100
Configuring a room on the Resource Manager or Converged Management Application (CMA) allows you to do which two of these
Schedule a conference by picking a room by name and Associate an endpoint to a room instead of a user
101
When adding an RMX to RMX Manager, which of the following should be used to gain access with a username and password
Control Unit IP address
102
Frame rate is
the number of times the image rebuilds per second
103
A SIP response message such as TRYING which starts with a 1 is
a provisional message
104
Your dial into an RMX meeting room, but the video call keeps dropping to audio only. Select the best two troubleshooting steps for this issue
Check that there are available video resources and Check whether VSVV has been enabled in the profile
105
You are trying to register an endpoint to the Virtualization Manager (DMA) gatekeeper and it isn't appearing in the Network > Endpoints page. Which two places could you look to find out the problem
View Registration History via the Endpoints menu and Registration History via the Reports menu
106
You are trying to log into a CMA using an Active Directory account but the login is failing, select the two options which could be the issue
No role associated with your User account and the User account is not contained within the Enterprise Directory Search BaseDN
107
Which of the following is the special RMX lobby used to route users to their conference
Entry Queue
108
What is best way to power down an HDX endpont
Using the power button
109
What are two Virtualization Manager (DMA) servers connnected via a crossover called called
Cluster
110
The TCP/IPmodel is similar to the OSI model but not the same because
it is designed to fit specific existing networking protocols
111
The Physical layer takes care of
how the 0s and 1s are sent across the physical network
112
What three options can be unlocked on an HDX endpoint using option keys
1080P, RTV, TIP
113
Upon completion of the RMX Fast Configuration Wizard, there are two alarms showing in the management interface. One is caused by the the time settings, what is the other?
Default User still exists
114
Which RMX restore option will retain the IP addressing and activation keys
Standard
115
You are attempting to schedule a multipoint conference using the CMA, but receive an error message stating "insufficient MCU resources". Select the two best troubleshooting options
Check that the MCU is available for scheduling and Check the MCU for errors
116
Select the option which can not be configured when working through the First Time Setup Wizard on the Converged Management Application (CMA)
Redundancy
117
Which of the following is the default IP address used on a Virtualization Manager (DMA)
192.168.1.101
118
A SIP prixy provides which two functions
Bandwidth and access restrictions as well as passing of SIP messages to ensure correct routing
119
The Data Link layer takes care of
the use of MAC addresses for source and destination identification
120
The Presentation layer takes care of
how any encryption is applied to the payload
121
Which Virtualization Manager (DMA) function refeers to the capability of distributing workload amongst multiple MCUs
Load-balancing
122
If ad-hoc dial-in is enabled in an RMX entry queue, what are you able to do?
Make a call into a meeting room not previously defined
123
In order to gain an activation key from Polycom Support, what information from the RMX must be provided?
Serial number
124
Where are PIN codes for RSS playback configured
VRR
125
To end a SIP call, one end point sends a BYE message to the other. Then what happens?
an OK tears down the call
126
H.263 provides which thre resolutions
QCIF, 4CIF, and CIF
127
A customer would like any of his business partners to be able to dial into his monthly video meeting to discuss order progress. Which VBP should the customer buy?
E-series
128
On the CMA you see a warning next to an endpoint in the Endpoint > Monitor View page and the Device Status says 'Credentials Required'. How can you resolve this?
Click Edit and enter the username and password
129
A customer would like to configure an RMX recording link, select the best two options for how they would do this:
Configure the RMXonly and Configure both RMX and RSS if a custom VRR is required
130
How do you manually assign a Virtualization Manager (DMA) conference room?
In the User configuration
131
Your customer would like to create a new attribute in Active Directory to add a field for dedicated conference room numbers on their Virtualization Manager (DMA). Can they do this?
Yes
132
People+Content is
a Polycom developed method for content sharing
133
Select the methods which can be used to perform a restore on an HDX
(Restore button using a paperclip or similar, Telnet, and/or via Software Update) All these options
134
A customer would like to configure H.323 on their RSS, select the two options which they can configure
Primary and alternate gatekeeper
135
What is the smallest bundle of Resource Manager and Converged Management Application (CMA) licenses which can be purchased
100
136
To end and H.323 call, one endpoint sends a DISCONNECT message to the other. Then what happens
a RELEASE, then a RELEASE COMPLETE tears down the call
137
Which Virtualization Manager (DMA) function will stop any more calls from starting on an MCU and will also disconnect any existing calls?
Skip Using
138
You have performed CMA Active Directory integration but can only search for local users. Select the option that will resolve this issue
Log into the CMA with the AD user account and unlock the 'Local Users Only' box
139
Which of the following are three valid Virtualization Manager (DMA) user roles?
Administrator, Provisioner, and Auditor
140
Select two options which can be used for troubleshooting an HDX during a call
System Status and Call Statistics
141
What are up to five Virtualization Manager (DMA) servers or clusters configured to work together called
Supercluster
142
What is the name of the part of call setup where the endpoint decide on which codecs to use
capabilities exchange
143
A signal which varies continuously over time is
Analog
144
Select three ways the IP address of an RSS 4000 may be altered
browser interface, console/telnet, and DHCP
145
Which of the following can only be changed using the HDX browser interface
Home Screen button layout
146
Which three RMX flags are used to configure Converged Management Application (CMA) address book integration
EXTERNAL_CONTENT_PASSWORD, EXTERNAL_CONTENT_USER, and EXTERNAL_CONTENT_DIRECTORY
147
When discussing video quality, resolution is which two of these choices?
how many pixels are in a display picture and how you can classify the picture as high definition
148
SIP messages can be defined as which two types?
Response and Request
149
A firm wants to implement firewall traversal using an E-series. How is this configured so that the existing gatekeeper manages the calls?
LAN-side gatekeeper
150
What is the default IP address used to connect to the Resource Manager or Converged Management Application (CMA)?
192.168.1.254
151
Select where you can find the required information to send Polycom Global Services in the event of a CMA fault being logged.
Admin menu
152
A SIP response message such as OK which starts with a 2 is
a success message
153
When connecting to an RMX for the first time, which is the correct username and password
POLYCOM/POLYCOM
154
If Converged Management Application (CMA) address book integration has taken place on an RMX, you can also add local address book entries
False
155
H.239 enables us to
share content in a videoconference
156
You try to dial into a RMX conference via the entry queue using a telephone and the call fails, select the two best options you would undertake to troubleshoot
Check that some resources are allocated for voice calls and Check that ISDN/PSTN calling is enabled within the entry queue
157
How is Personal Conference Manager initiated when in a call hosted on an RMX
Pressing ## on the remote control
158
IP fits in the TCP/IP model under which layer
Internet
159
Which RMX Conference Profile setting can be used to upscale video resolution
Video Clarity
160
Your customer has configured a prefix for the Virtualization Manager (DMA) Conference Manager feature, which of the following will this provide
A single E.164 alias for all MCUs connected and in service
161
The Transport layer takes care of
reliability measures such as the ability to re-transmit data
