640-461 Q&A / Study Guide/ Testing Engine / Videos

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QUESTION 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,D

Explanation:

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QUESTION 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

Explanation: Link:
http://www.cisco.com/en/US/docs/voice_ip_comm/cups/8_0/english/install_upgrade/deployment/g
uide/dgclient.html

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QUESTION 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

Explanation: A & C denotes to weighted fair queue or DWFQ. B denotes to CBWFQ (class based
weighted fair queue).
Link:
http://www.cisco.com/en/US/docs/ios/12_1/qos/configuration/guide/qcdconmg.html#wp1001019

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QUESTION 4



Answer:



Explanation:

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QUESTION 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

Explanation:
A. Assigned phone could be deleted from device>phone option. E. Device defaults
are used to updating devices.
Link:
http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/admin/8_5_1/ccmcfg/b03rtrep.html#wp1024696

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642-883 Q&A / Study Guide / Testing Engine / Videos

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QUESTION 1
Refer to the OSPF command exhibit.



Which effect does the no-summary command option have?

A. It will cause area 1 to be able to receive non-summarized inter-area routes.
B. It will cause area 1 to not receive any inter-area routes and will use a default route to reach
networks in other areas.
C. It will cause area 1 to not receive any external routes and will use a default route to reach the
external networks.
D. It will convert the NSSA area into a NSSA totally stubby area.
E. It will convert the stubby area into a NSSA.
F. It will disable OSPF auto-summary.

Answer: B

Explanation:

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QUESTION 2
When troubleshooting OSPF neighbor errors, which three verification steps should be considered?
(Choose three.)

A. Verify if neighboring OSPF interfaces are configured in the same area.
B. Verify if neighboring OSPF interfaces are configured with the same OSPF process ID.
C. Verify if neighboring OSPF interfaces are configured with the same OSPF priority.
D. Verify if neighboring OSPF interfaces are configured with the same hello and dead intervals.
E. Verify if neighboring OSPF interfaces are configured with the same area type.

Answer: A,D,E

Explanation:

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QUESTION 3
On Cisco IOS XR Software, which set of commands is used to enable the gi0/0/0/1 interface for OSPF in area 0?

A. interface gi0/0/0/0
ip address 10.1.1.1 255.255.255.0
!
router ospf 1
network 10.1.1.1 0.0.0.0 area 0
B. interface gi0/0/0/0
ip address 10.1.1.1 255.255.255.0
!
router ospf 1
network 10.1.1.1 255.255.255.255 area 0

C. router ospf 1
area 0
interface GigabitEthernet0/0/0/1

D. interface gi0/0/0/0
ip address 10.1.1.1 255.255.255.0
ip ospf 1 area 0

E. router ospf 1
address-family ipv4 unicast
interface GigabitEthernet0/0/0/1 area 0

F. router ospf 1
address-family ipv4 unicast
interface GigabitEthernet0/0/0/1
area 0

Answer: C

Explanation:

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QUESTION 4
Which three statements are true regarding the OSPF router ID? (Choose three.)

A. The OSPF routing process chooses a router ID for itself when it starts up.
B. The router-id command is the preferred procedure to set the router ID.
C. If a loopback interface is configured, its address will always be preferred as the router ID overany other methods.
D. After the router ID is set, it does not change, even if the interface that the router is using for the
router ID goes down. The router ID changes only if the router reloads or if the OSPF routingprocess restarts.
E. In OSPF version 3, the OSPF router ID uses a 128-bit number.

Answer: A,B,D

Explanation:

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QUESTION 5
Which two OSPF network scenarios require OSPF virtual link configuration? (Choose two.)

A. to connect an OSPF non-backbone area to area 0 through another non-backbone area
B. to connect an NSSA area to an external routing domain
C. to connect two parts of a partitioned backbone area through a non-backbone area
D. to enable route leaking from Level 2 into Level 1
E. to enable route leaking from Level 1 into Level 2
F. to enable OSPF traffic engineering

Answer: A,C

Explanation:

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