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2021 Jan 300-080 test questions
Q1. In an MCU call with three Cisco TelePresence MX800 systems and a mobile phone calling in, the three TelePresence MX800 systems suddenly experience low audio levels, but the mobile phone audio levels are correct. What can you do to correct this issue?
A. Turn off the audio processors on the TelePresence MX800.
B. Use the mobile phone audio option on the TelePresence MX800 to adjust the mobile phone levels.
C. Mobile phone audio levels can vary, so you cannot correct the issue.
D. Turn on AGC on the MCU to adjust the audio levels.
E. Turn on ALG on the MCU to adjust the audio levels.
F. Turn on the Auto Adjust levels under "Settings > Audio" on the MCU.
Q2. Refer to the exhibit.
All phones are placed in the Internal_Pt partition. The CSS for all phones contains the partition Internal_Pt, and Vml.CSS contains the voicemail hunt pilot. When a call is placed from extension 2001 to 2002, which statement is true?
A. Extension 2002 will ring.
B. The call will be blocked.
C. The call will be answered by voicemail.
D. Extension 2002 will ring, and if the call is not answered, the call will match the translation pattern and then be blocked.
E. Extension 2002 will ring, and if the call is not answered, the call will match the translation pattern and then be forwarded to voicemail.
Q3. Refer to the exhibit.
An IP phone that is connected through a Cisco Catalyst 3750 Series Switch is failing to register with Cisco Unified Communications Manager. When the user presses the settings button on the phone, the Operational VLAN ID shows a blank entry. What is the most likely cause for this issue?
A. The switch may not be supplying inline power.
B. The spanning tree portfast command needs to be removed.
C. The trunk encapsulation is missing. The trunk must be configured for dot1.Q.
D. Cisco Discovery Protocol is disabled on the switch.
E. The Operational VLAN ID of the phone always shows as blank. The Admin. VLAN ID should be
Q4. When identifying Cisco TelePresence Endpoint traffic characteristics, which three statements are true? (Choose three.)
A. Latency, jitter, and loss are measured in a round-trip fashion.
B. Latency, jitter, and loss are measured unidirectionally.
C. Latency and loss are measured at a packet level, based on RTP header sequence numbers and time stamps.
D. Latency and jitter are measured at a packet level, based on RTP header sequence numbers and time stamps.
E. Jitter is measured at a video frame level, by measuring the arrival time of the video frame versus the expected arrival time.
F. Jitter is measured at a packet level, by measuring the arrival time of the packet versus the expected arrival time.
Q5. When a database replication issue is suspected, which three tools can be used to check the database replication status? (Choose three.)
A. Cisco Unified Communications Manager RTMT tool
B. Cisco Unified Communications Manager Serviceability interface
C. Cisco Unified Reporting
D. Cisco Unified Communications Manager CLI interface
E. Cisco IP Phone Device Stats from the Settings button
F. Cisco Unified OS Administration interface
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Q6. What is a common reason that an IP Phone cannot get its configuration from Cisco Unified Communications Manager after it obtains the correct IP address information?
A. The DHCP scope is exhausted.
B. The DHCP server is not reachable.
C. The DHCP scope is on the wrong subnet.
D. The DHCP scope has the incorrect Option 150 or 66 defined.
Q7. Which of these reasons can cause intrasite calls within a Cisco Unified Communications Manager cluster to fail?
A. The route partition that is configured in the CCD requesting service is not listed in the calling phone CSS.
B. The trunk CSS does not include the partition for the called directory number.
C. The MGCP gateway is not registered.
D. The calling phone does not have the correct CSS configured.
E. The calling phone does not have the correct partition configured.
Q8. Which Cisco Unified Communications Manager troubleshooting tool can be used to determine the digit manipulation path a call takes within the Cisco Unified Communications Manager system from the perspective of a specific directory number, without having the actual device at hand?
A. Cisco Unified Communications Manager Serviceability
B. Cisco Unified Communications Manager Dialed Number Analyzer
C. Cisco Unified Communications Manager Real Time Monitoring Tool
D. Cisco Unified Syslog Viewer
E. Cisco IOS debugs
Q9. You are trying to register an H.323-based Cisco TelePresence system to Cisco Unified Communications Manager and a Cisco DX70 system to the Cisco VCS Control. Why do neither of the units want to register?
A. The H.323-based system needs an E164 number to register to Cisco Unified Communications Manager, and the Cisco DX70 needs to have the MAC address configured first on the Cisco VCS Control.
B. The H.323-based system needs to register to.the Cisco VCS Control with an E.164 number, and the Cisco DX70 needs the TFTP address to register on the Cisco Unified Communications Manager.
C. Both systems need to register to the Cisco VCS Control, but the H.323-based system needs to have the gatekeeper setting set to "Direct."
D. Both systems need to register to.the Cisco Unified Communications Manager, as the Cisco VCS Control is used only for firewall traversal.
E. You need Cisco TelePresence Management Suite to register Cisco TelePresence systems.
F. You need Cisco TelePresence Server to register Cisco TelePresence systems.
Q10. Which two types of Cisco Unified Communications Manager trace files contain Call Processing information that is helpful for troubleshooting outbound and inbound calling issues? (Choose two.)
A. Cisco Unified Communications Manager syslog trace
B. Cisco Unified Communications Manager Dialed Number Analyzer trace
C. Real Time Monitoring Tool Processes trace
D. Cisco Unified Communications Manager SDL trace
E. Cisco Unified Communications Manager Log4Jtrace
F. Cisco Unified Communications Manager SDI trace