2013 Latest Cisco DESGN (640-864)Exam 171-175

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What does ODR stand for?
A. Open default routing
B. Optical demand routing
C. Open dedicated routing
D. On-demand routing
Correct Answer: D
Section: Routing Explanation
On-Demand Routing (ODR) is an enhancement to Cisco Discovery Protocol (CDP), a protocol used to discover other Cisco devices on either broadcast or non-broadcast media. With the help of CDP, it is possible to find the device type, the IP address, the Cisco IOS. version running on the neighbor Cisco device, the capabilities of the neighbor device, and so on. In Cisco IOS software release 11.2, ODR was added to CDP to advertise the connected IP prefix of a stub router via CDP. This feature takes an extra five bytes for each network or subnet, four bytes for the IP address, and one byte to advertise the subnet mask along with the IP. ODR is able to carry Variable Length Subnet Mask (VLSM) information

QUESTION 172
Observe the following options, in which section of the network document does Cisco recommend a discussion of performance, scalability, capacity, security, and traffic needs?
A. Design summary
B. Design solution
C. Executive summary
D. Design requirements
Correct Answer: D
Section: Design Explanation
Reference: CCDA 640-864 Official Cert Guide 4th edition Page 25 ONLY one choice is an actual section name of the document

QUESTION 173
In telephony, the local loop is the physical link or circuit. Where is the local loop located?
A. Between the loopback interfaces of two VoIP routers
B. Between phones and the central office (CO) switch
C. Between two PBXs
D. Between two PSTN switches
Correct Answer: B
Section: Voice Video Explanation
The local loop is the pair of wires that runs from the CO to the home or business office. Cisco Press CCDA 640-864 Official Certification Guide Fourth Edition, Chapter 14

QUESTION 174
Which advantage is of security systems that are part of the Cisco ecosystem?
A. There is a suite of products to choose from.
B. Various partners as well as supporting products increase the effectiveness of security systems.
C. There are no advantages.
D. The Cisco ecosystem ensure that partners can implement the solution.
Correct Answer: B
Section: Security Explanation
The Cisco Service Provider ecosystem was created to help Cisco, and our Service Provider customers capitalize on the huge market opportunities created by the circuit to packet transition. We have a strong community of best in class technology development and deployment partners that enable service providers to deploy innovative new services on their new or existing networks. Cisco partners with System Integrators, Network Integrators and Independent Software Vendors (ISVs) who are leaders in Operations Support Systems and Business Support Systems to help Service Provider customers better manage and leverage their networks and support systems. The Ecosystem Advantages No single vendor can possibly offer service providers the choice and flexibility that a horizontally structured network of Ecosystem partners can provide. Ecosystem partners are chosen because of their expertise in the service provider OSS environment. They may be independent software vendors (ISVs) providing functional blocks such as billing or fault management, or Systems Integrators who integrate, design and deploy OSS solutions, or even infrastructure companies who sit right at the very heart of the network in terms of cabling and electronic provisioning. All Ecosystem partners across EMEA are subject to vigorous interoperability testing, not only with Cisco hardware and software, but also with complementary products and applications provided by other Ecosystem members. Once testing has been successfully completed, a particular product or application is given the Cisco Verified Interoperability Product (VIP) Mark that distinguishes it in the market place. Interoperability testing is also product or application revision-specific in order to maintain the highest levels of compatibility and is required before each version of the partner product release receives the Cisco VIP Mark. A key area for Cisco and its Ecosystem partners is the ability to demonstrate sufficient pre and post sales support for all qualifying products and services. All EMEA Ecosystem partners have to satisfy Cisco’s stringent requirements before they can be classed as true EMEA-wide partners. In order to maintain this level of support, all Ecosystem partners are accredited by `theatre’ – EMEA, Asia Pacific, Latin America and Northern America. Only if all theatre requirements are met can any partner be truly classified as Global. In the same way that Cisco prides itself on its commitment to ethical practices across all areas of business, Ecosystem partners are required to adhere to clearly defined best practices with regard to all customer engagements. It is with confidence that service providers can be sure that the service and commitment levels from any of Cisco’s Ecosystem partners will be supplied to the highest standards possible.

QUESTION 175
What is ASBR short for?
A. Area Border Router
B. Auxiliary System Border Router
C. Area System Border Router
D. Autonomous System Boundary Router
Correct Answer: D
Section: Routing Explanation
ASBR (Autonomous System Boundary Router) – Connects the OSPF backbone to external networks. Routers that inject external LSAs into the OSPF database (redistribution).
Type Description
Internal Router
Any router whose interfaces all belong to the same OSPF area. These routers keep only one linkstate database.
ABR
Routers that are connected to more than one area. These routers maintain a link-state database for each area they belong to. These routers generate summary LSAs.
ASBR
Routers that inject external LSAs into the OSPF database (redistribution). These external routes are learned via either other routing protocols or static routes.
Backbone router
Routers with at least one interface attached to Area 0.
Tip: An OSPF router can be an ABR, an ASBR, and a backbone router at the same time. The router is an ABR if it has an interface on Area 0 and another interface in another area. The router is a backbone router if it has one or more interfaces in Area 0. The router is an ASBR if it redistributes external routes into the OSPF network.
Cisco Press CCDA 640-864 Official Certification Guide Fourth Edition, Chapter 11

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