26th
08,07
Preparation and practice for the ALL NEW CCNA Voice exam from the all-time best selling CCNA self-study test preparation series Read the rest of this entry »
26th
08,07
Why is Cisco expanding its Career Certifications portfolio? Read the rest of this entry »
26th
08,07
Tutorials And Articles Regarding The 640-460 IIUC Exam Read the rest of this entry »
26th
08,07
CCNA Security Certification meets the needs of IT professionals who are responsible for network security. It confirms an individual’s skills for job roles such as Network Security Specialists, Security Administrators, and Network Security Support Engineers. This certification validates skills including installation, troubleshooting and monitoring of network devices to maintain integrity, confidentiality and availability of data and devices and develops competency in the technologies that Cisco uses in its security structure. Learn more at cisco.com. Read the rest of this entry »
26th
08,07
Cisco Press announced the launch today of new print and electronic learning tools to prepare candidates for new CCNA® concentrations, including CCNA Security, CCNA Voice and CCNA Wireless. Read the rest of this entry »
26th
08,07
As a final exam preparation tool, the CCNA Voice Quick Reference provides a concise review of all objectives on the new IIUC
exam (640-460). This digital Short Cut provides you with detailed, graphical-based information, highlighting only the key
topics in cram-style format.
With this document as your guide, you will review topics on concepts and commands that apply to Cisco Unified
Communications for small and medium-sized businesses. This fact-filled Quick Reference allows you to get all-important
information at a glance, helping you focus your study on areas of weakness and enhancing your memory retention of essential
exam concepts.
Table of Contents
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Introduction to Unified Communications . . . . . . . . . . . . 4
Key Components of the Unified Communications Architecture . . . . . . . . . . . . . . . . . . . . . . . . 6
Understanding Unified Communications Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Understanding Traditional Telephony . . . . . . . . . . . . . . 20
Introduction to Analog Circuits . . . . . . . . . . . . . . . . . . . . . 26
Introduction to Digital Circuits . . . . . . . . . . . . . . . . . . . . . . 31
Understanding VoIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Introducing VoIP Signaling Protocols . . . . . . . . . . . . . . 42
Connecting a VoIP System to a Service Provider Network. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Preparing the Infrastructure to Support Unified Communications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Quality of Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Introducing Cisco Unified Communications Manager Express . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Configuring CM Express to Support Endpoints . . . . . 80
Implementing Basic Voice Features . . . . . . . . . . . . . . . . 87
Maintaining a CM Express System . . . . . . . . . . . . . . . . . 96
Implementing Cisco Unity Express . . . . . . . . . . . . . . . . . 99
Introducing the Cisco Smart Business
Communications System. . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Title of ebook: CCNA Voice Quick Reference
ISBN: 9781587057670
Publisher: Cisco Press
Internet download file size: 9295 kb
Pages: 149
Released online for download: 07-01-2008
Author of eBook: Valentine, Michael
Free down:CCNA Voice 640-460 Quick Reference (Digital Short Cut)
password:www.ccna.cc
26th
08,07
Voice, security, and wireless are the hottest areas for networking jobs today-and now, hot new areas for Cisco CCNA certification. The new CCNA Voice and CCNA Security concentrations can help you verify the specialized skills that are in high demand among employers. Read the rest of this entry »
26th
08,07
The following are part of 640-460 Q&A from www.ciscoexams.org. You can go to www.ciscoexams.org and consult live-support for more information if you are interested in its products. Now let’s look at the following study-guides offered by Certay. 640-460
1. Refer to the exhibit. After deploying a UC500 system, you receive a support call from a user reporting that callers are going straight to the operator instead of going to members of the hunt group. Which two tabs have configuration parameters that are most likely going to resolve this issue? (Choose two.)
A. Device
B. System
C. Network
D. SIP Trunk
E. Voice Features
F. Dial Plan
Answer: EF
2. What is the difference between voice VLAN and native VLAN?
A. Voice VLAN uses tagged 802.1Q frames whereas native VLAN uses 802.1P frames.
B. Voice VLAN uses untagged frames whereas native VLAN uses 802.1Q frames.
C. Voice VLAN uses tagged 802.1Q frames whereas native VLAN uses untagged frames.
D. Voice VLAN uses untagged frames only when no PCs are connected behind the phones whereas native VLAN always uses untagged frames.
Answer: C
3. Which protocol is used to inform the IP phone of its voice VLAN ID?
A. Cisco keepalives
B. Cisco Discovery Protocol
C. Cisco Spanning Tree Protocol
D. Cisco VLAN Discovery Protocol
Answer: B
4. Refer to the exhibit. Which identifies the amplitude of an analog signal stream?
A. A
B. B
C. C
D. A x C
E. Voltage/Time
F. Voltage/Time x B/C
Answer: C
5. Which value does an administrator assign to option 150 for DHCP to operate correctly in a Cisco Unified Communications Manager Express environment?
A. IP address of the DNS server
B. IP address of the TFTP server
C. MAC address of the TFTP server
D. MAC address of the DHCP server
E. MAC address of the Cisco Unified Communications Manager Express router
F. IP address of the PC on which the Cisco Unity Express module is installed
Answer: B
