which per-hop behavior?
The following is a partial configuration of an access layer switch:
mls qos map cos-dscp 0 8 12 16 28 32 40 48
mls qos
!
Voice bearer traffic will be set to use which per-hop behavior?
What is causing the call to be dropped?
Refer to the exhibit. 
A user is on a call to the PSTN through the MGCP gateway at BR1. The
gateway and the IP phone lose the connection to the Cisco Unified CallManager cluster at HQ and
the call is dropped. What is causing the call to be dropped?
Which method can be used to correct database replication issues in a cluster running Cisco Unified CallManage
Which method can be used to correct database replication issues in a cluster running Cisco
Unified CallManager 5.0?
What is a possible cause of this issue?
You have received a trouble ticket stating that users in accounting are not able to use the CFwdAll
softkey to forward their calls to voice mail. Their phones continue to ring when they receive
inbound calls, even after they have pressed the CFwdAll softkey and the Messages button. What
is a possible cause of this issue?
What is one possible cause of this issue?
You have placed all DNs in the Phones partition. During testing you discover that you cannot place
calls between IP phones, but you can place calls to the PSTN and voice mail. What is one
possible cause of this issue?
What is causing this problem?
You have received a trouble ticket stating that the MWI light is not coming on for a group of users.
Further investigation reveals that the affected users are connected to the same subscriber in the
cluster. Users that are connected to other subscribers in the same cluster are not experiencing this
issue.
What is causing this problem?
How does the echo canceller interpret a signal when the ERL value is too low?
How does the echo canceller interpret a signal when the ERL value is too low?
Which QoS mechanism can help avoid this problem?
Three calls can successfully be made across a WAN link. When a fourth call is made, the quality
of all four calls degrades. Which QoS mechanism can help avoid this problem?
Where should you look to diagnose the problem?
Cisco CallManager 5.0 has just been deployed in two locations across a wide-area link. A
distributed model with an intercluster trunk has been used. When you call an IP phone at the
remote site the phone rings, but as soon as the other person picks up the phone, the call is
dropped.
Where should you look to diagnose the problem?
What are the two most common causes of echo?
What are the two most common causes of echo? (Choose two.)