CCIE Collaboration Multi Site UC Deployment Design

1. Which QoS marking is recommended for voice traffic in multi-site deployments?

DSCP EF (Expedited Forwarding)

DSCP AF41

DSCP CS0

DSCP CS7

2. In a multi-site UC environment, what is the primary benefit of implementing voice compression codecs like G.729?

Improved call quality

Reduced WAN bandwidth consumption

Enhanced security

Faster call setup times

3. Which redundancy feature allows a device to register to an alternate Cisco Unified Communications Manager if the primary fails?

Automatic Failover

Device Redundancy

Backup Clustering

Secondary Registration

4. In multi-site deployments, what does the Media Resource Group List (MRGL) do?

Lists all active calls

Prioritizes media resources by preference order

Encrypts media streams

Manages bandwidth allocation

5. Which Cisco component provides presence and instant messaging across multiple UC sites?

Cisco Unified Presence Server

Cisco Unified Communications Manager

Cisco Unified Messaging

Cisco Unified Attendant Console

6. In a multi-site UC design, what is the primary purpose of digit analysis and translation rules?

Encrypt telephone numbers

Route calls to appropriate destinations

Monitor call quality metrics

Authenticate users

7. Which feature allows users at a remote site to automatically failover to cellular networks if WAN connectivity is lost?

Mobile Remote Access

Cisco Jabber Mobile

Mobile Connect

Wireless Survivability

8. What is the maximum recommended WAN latency for voice calls in multi-site UC networks?

50 ms

100 ms

150 ms

200 ms

9. In multi-site deployments, which protocol is used for device registration and management?

TFTP

SNMP

HTTP

SSH

10. What is the primary advantage of using Cisco Unified Communications Manager Express at remote sites?

Reduced WAN bandwidth requirements

Centralized user management

Simplified licensing model

Enhanced security features

11. Which protocol is primarily used for call signaling in multi-site Cisco UC deployments?

SIP

H.323

MGCP

SCCP

12. In a multi-site UC environment, what does the intersite trunk carry?

Only video traffic

Call signaling and media between sites

Only conference traffic

Database replication data

13. What is the primary purpose of a Cisco Unified Border Element (CUBE) in multi-site deployments?

Connect UC networks to the PSTN

Manage user presence information

Store voicemail messages

Provide database replication

14. Which redundancy model allows a remote site to operate independently if the connection to the central site fails?

Distributed call processing

Centralized call processing

Hybrid call processing

Clustered call processing

15. What is Call Admission Control (CAC) used for in multi-site UC networks?

Blocking unauthorized calls

Preventing network congestion by limiting calls

Encrypting voice traffic

Logging all call details

16. In multi-site deployments, what is the primary function of a Media Resource Group?

Compress voice traffic between sites

Provide transcoding and conference resources

Manage bandwidth allocation

Route calls based on digit analysis

17. Which feature ensures calls are rerouted if the primary WAN link fails?

Call Admission Control

Local Survivability

Media Resource Group

Gatekeeper Redundancy

18. What does RSVP provide in a multi-site UC network?

Bandwidth reservation and quality of service

User authentication and authorization

Media encryption and security

Call routing and load balancing

19. In a multi-site deployment, which component manages call routing between sites?