What is the major difference between the two possible Cisco IM and presence high-availability modes?

• A.Balanced mode does not provide user load balancing, but it provides user failover in the event of an outage. Active/standby mode provides an always on standby node in the event of an outage, but is does not provide load balancing.
• B.Balanced mode provides user load balancing and user failover in the event of an outage. Active/standby mode provides an always on standby node in the event of an outage, but it does not provide load balancing.
• C.Balanced mode provides user load failover in the event of an outage. Active/standby mode provides an always on standby node in the event of an outage, and is also provides load balancing.
• D.Balanced mode provides user load balancing and user failover only for manually generated failovers. Active/standby made provides an unconfigured standby node in the event of an outage, but it does not provide load balancing.

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What is a QoS requirement for VoIP calls?

• A.15% packet loss
• B.150 bps per phone of guaranteed bandwidth
• C.150 ms of one-way latency from mouth to ear
• D.150 ms of jitter

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After an administrator installs the Cisco jabber Client, it fails to register with the cisco UCM server. Which two actions should be taken to troubleshoot this problem? (Choose two.)

• A.Verify the installation of the LMHOST file on the PC
• B.Reboot the Cisco Unified Border Element Gateway.
• C.Verify corporate firewall settings for client connections.
• D.Verify Layer 3 connectivity on the gateway.
• E.Verify the configuration of the DNS SRV record.

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Refer to the exhibit. A collaboration engineer adds a redundant NTP server to an existing Cisco Collaboration solution.
On the Cisco UCM OS Administration page the new NTP server shows as "Not Accessible".
Which action resolves this issue?

• A.Configure the "reach" value as "377" for the new NTP server
• B.Start the NTP service on the new NTP server
• C.Delete and re-add the new NTP server via the Cisco UCM command-line interface
• D.Restart NTPD on the Cisco UCM server

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A collaboration engineer must configure Cisco Unified Border Element to support up to five concurrent outbound calls across an Ethernet Link with a bandwidth of 160 kb to the Internet Telephony service provider.
Which set of commands allows the engineer to complete the task without compromising voice quality?
A)

B)

C)

D)

• A.Option D
• B.Option B
• C.Option A
• D.Option C

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