Real Cisco 640-461 (Introducing Cisco Voice and Unified Communications) exam Q&As free download

1.Which two options are features in Cisco Unified Presence? (Choose two.)
A. IP Phone Messenger
B. Native Presence
C. BLF speed-dial
D. Enterprise Instant Messaging
E. BLF speed-dial pickup
Answer: A,B
2.An end user reports that they are unable to control their Cisco IP phone using Cisco Unified Personal Communicator and cannot make any calls. Which situation can cause this issue?
A. The Cisco Unified Personal Communicator is not registered in the Cisco Unified Presence server.
B. The LDAP integration is incorrect.
C. The Cisco Unified Personal Communicator is configured in desk-phone mode.
D. The Allow Control of Device from CTI checkbox in the device configuration on Cisco Unified
Communications Manager is disabled.
E. The Allow Control of Device from CTI checkbox in the device configuration on the Cisco Unified
Presence is disabled.
Answer: D
3.Which description describes the low latency queuing algorithm?
A. Empty queue 1. If queue 1 is empty, empty queue 2, then empty queue 3, unless a packet for a higher
queue arrives.
B. An administrator defines the traffic classes based on match criteria, including protocols, access control
lists, and input interfaces.
C. A flow-based algorithm that simultaneously schedules interactive traffic to the front of a queue to
reduce response time and fairly shares the remaining bandwidth among high-bandwidth flows.
D. This feature brings strict priority queuing to CBWFQ.
E. Packets are placed into a single queue and serviced in the order they were received.
Answer: D
4. DRAG DROP
Answer:
5.An administrator wants to locate and remove all unassigned directory numbers on the Cisco Unified
Communications Manager system. Which method is the best method to accomplish this task?
A. Choose Device > Phone. Search all phones and remove the undesired directory numbers.
B. Use the Dial Plan Installer to remove the directory numbers.
C. Use the Disaster Recovery System to restore only valid directory numbers.
D. Choose Call Routing > Route Plan Report, choose the Unassigned DN drop-down menu, and then
remove all orphaned directory numbers.
E. Choose Device > Device Settings > Device Defaults and use the wizard to locate and remove the
orphaned directory numbers.
Answer: D
6.When troubleshooting a phone that is unable to get an IP address from a DHCP server, what is the first
thing to check for on the phone?
A. Make sure that DHCP Enabled is disabled on the phone.
B. Make sure that the phone is getting the proper VLAN information.
C. Make sure that the TFTP server address is correct on the phone.
D. Make sure that the DHCP scope has enough addresses left in the range.
E. Make sure the phone has the correct phone load ID.
Answer: B
7.Which issue does CAS signaling on a T1 circuit create?
A. Signaling bits are subtracted from each frame, which causes a significant loss of voice quality.
B. An extra signaling bit is added to the sixth frame to carry signaling information.
C. A signaling bit is subtracted from every sixth frame to carry signaling information.
D. Signaling bits are added to the signaling stream to create extended super frames.
Answer: C
8.How does the Cisco Unified Communications Manager Express match an outbound VoIP dial peer?
A. Outbound dial-peer matching uses the entire string of digits en bloc to match the dial peer with the
longest match.
B. Outbound dial-peer matching is completed on a digit-by-digit basis.
C. It matches outbound dial peers by placing all the dial peers into a hunt group and then uses the entire
dialed number en bloc to match the first dial peer.
D. Cisco Unified Communications Manager Express creates a hunt group that contains all the configured
dial peers and then applies the dial digits in a digit-by-digit manner to match a dial peer.
Answer: A
9.In which situation are user PINs maintained by the local Cisco Unified Communications servers?
A. Only when the system is using LDAP synchronization.
B. Only when the system is using LDAP authentication.
C. Only when the system is using Global Directory.
D. PINs are always maintained by the local Cisco Unified Communications Manager servers
E. PINs are never maintained by the local Cisco Unified Communications Manager servers.
Answer: D
10.An IP phone has a line calling search space and a device calling search space. If a call is made from
the IP phone, which calling search space is used?
A. Neither calling search space is used.
B. The line calling search space takes precedence and is used.
C. The device calling search space takes precedence and is used.
D. The line and device calling search spaces are combined and the line calling search space has
precedence.
Answer: D

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