500-450 sample questions

Question 1

Within Cisco Unified ICM, which process handles communication between the router and peripheral gateway components? A.dbagentB.opcsC.ccagentD.mds

Accepted Answer

ccagent

Answer

dbagent

Answer

opcs

Answer

mds

Question 2

Which option about the ICM heartbeat interval and maximum number of missed heartbeats allowed between duplexed sides over the private network is true? A.100 ms, 3 heartbeatsB.100 ms, 5 heartbeatsC.400 ms, 3 heartbeatsD.400 ms, 5 heartbeatsE.The heartbeat interval and maximum missed heartbeats settings can be customized by a system administrator

Accepted Answer

100 ms, 5 heartbeats

Answer

100 ms, 3 heartbeats

Answer

400 ms, 3 heartbeats

Answer

400 ms, 5 heartbeats

Answer

The heartbeat interval and maximum missed heartbeats settings can be customized by a system administrator

Question 3

A multinational financial institution is deploying a Cisco Unified Contact Center Enterprise (UCCE) solution across two data centers (Side A and Side B) connected by a high-speed WAN. The design requires maximum fault tolerance for the Cisco Unified Customer Voice Portal (CVP) components. Which architectural approach ensures that a failure of the CVP Call Server at Side A does not disrupt active calls or prevent new calls from being processed, while maintaining call context?

Accepted Answer

Implement a centralized SIP Proxy Server that load balances SIP INVITE messages to both CVP Call Servers using a round-robin algorithm with options ping enabled.

Answer

Configure the Voice Gateways to use H.323 alternate gatekeepers to direct calls to the Side B CVP Call Server immediately upon Side A failure.

Answer

Configure the ICM Router to bypass the VRU leg and route calls directly to agents using the default label if the CVP Peripheral Gateway detects a failure.

Answer

Deploy the CVP Call Servers in a simplex mode and use VMware High Availability (HA) to restart the virtual machine on a host in the secondary data center.

Question 4

In a split-site Cisco Unified ICM deployment, the Router Key is a critical configuration element. Which statement accurately describes the function and requirement of the Router Key during the installation and operation of the Central Controller?

Accepted Answer

It is a unique alphanumeric string configured during setup that identifies the router instance and ensures that only valid components with the matching key can participate in the system.

Answer

It is a specialized license file that must be uploaded to the Router to enable high-capacity call processing.

Answer

It defines the ordering of the Peripheral Gateways and determines which PG is active for a specific peripheral.

Answer

It is a registry key used to define the specific IP address of the peer Router for heartbeat communication.

Question 5

A UCCE administrator observes that the private network connection between the Side A and Side B Call Routers has failed, but the visible network connection remains active. In this 'Visible Only' network failure scenario, how does the Cisco Unified ICM system respond to prevent split-brain operation?

```mermaid
graph TD
RA[Router A] |Private Net FAILED| RB[Router B]
RA |Visible Net OK| RB
RA --> PGs
RB --> PGs
```

Accepted Answer

The system utilizes the Test-Other-Side mechanism over the visible network; if they can communicate, the router with the higher capacity or uptime remains active while the other goes idle.

Answer

The Router with the lower latency to the Peripheral Gateways will assert mastership and the other will shut down its services.

Answer

Side B automatically yields to Side A, and Side A enters a simplex mode operation regardless of its current state.

Answer

Both Routers go active immediately to ensure no calls are dropped, relying on the PGs to deduplicate data.

Question 6

Regarding Cisco Finesse high availability, which statement correctly describes the behavior of the Finesse server cluster during a failover event?

Accepted Answer

The Finesse client automatically detects the failure of the primary server and redirects the agent browser to the secondary server URL without user intervention.

Answer

Agents must manually refresh their browser and select the 'Secondary Server' link from the bookmark bar to resume operations.

Answer

The Finesse server uses a Virtual IP (VIP) address that automatically floats to the active server, making the failover transparent to the client.

Answer

Failover is handled by the CTI Server; Finesse servers are stateless and do not require specific failover logic.

Question 7

True or False: In a Cisco Unified CCE deployment, the private network connection between the Central Controller nodes (Router/Logger) must support the transmission of the 'synchronization' messages which ensure that the memory state of the standby side matches the active side.

Accepted Answer

True

Answer

False

Question 8

You are tuning the heartbeat intervals for a Cisco Unified ICM deployment over a WAN with occasional latency spikes. Which TWO actions are appropriate when modifying the heartbeat settings to prevent false failovers? (Select TWO)

Accepted Answer

Increase the 'HBInterval' registry key value to send heartbeats less frequently.

Accepted Answer

Increase the 'HBMissed' registry key value to allow for more consecutively lost packets before declaring a failure.

Answer

Decrease the 'HBMissed' threshold to detect failures faster.

Answer

Disable the private network interface and run heartbeats over the public network only.

Free 500-450 sample questions

Within Cisco Unified ICM, which process handles communication between the router and peripheral gateway components? A.dbagentB.opcsC.ccagentD.mds

In a split-site Cisco Unified ICM deployment, the Router Key is a critical configuration element. Which statement accurately describes the function and requirement of the Router Key during the installation and operation of the Central Controller?

Regarding Cisco Finesse high availability, which statement correctly describes the behavior of the Finesse server cluster during a failover event?

True or False: In a Cisco Unified CCE deployment, the private network connection between the Central Controller nodes (Router/Logger) must support the transmission of the 'synchronization' messages which ensure that the memory state of the standby side matches the active side.

You are tuning the heartbeat intervals for a Cisco Unified ICM deployment over a WAN with occasional latency spikes. Which TWO actions are appropriate when modifying the heartbeat settings to prevent false failovers? (Select TWO)

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