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Q131. According to Cisco, which four improvements are the main benefits of the PPDIOO lifecycle approach to network design? (Choose four.) 

A. faster ROI 

B. improved business agility 

C. increased network availability 

D. faster access to applications and services 

E. lower total cost of network ownership 

F. better implementation team engagement 

Answer: B,C,D,E 

Explanation: 

The PPDIOO life cycle provides four main benefits: 

+ It improves business agility by establishing business requirements and technology strategies. 

+ It increases network availability by producing a sound network design and validating the network operation. 

+ It speeds access to applications and services by improving availability, reliability, security, scalability, and performance. 

+ It lowers the total cost of ownership by validating technology requirements and planning for infrastructure changes and resource requirements. 

(Reference: Cisco CCDA Official Exam Certification Guide, 3rd Edition) described in the link below. Link: http://www.ciscopress.com/articles/article.asp?p=1608131&seqNum=3 

Q132. Which statement describes the recommended deployment of DNS and DHCP servers in the Cisco Network Architecture for the Enterprise? 

A. Place the DHCP and DNS servers in the Enterprise Campus Access layer and Enterprise branch. 

B. Place the DHCP and DNS servers in the Enterprise Campus Server Farm layer and Enterprise branch. 

C. Place the DHCP server in the Enterprise Campus Core layer and Remote Access_VPN module with the DNS server in the Internet Connectivity module. 

D. Place the DHCP server in the Enterprise Campus Distribution layer with the DNS server in the Internet Connectivity module. 

Answer:

Explanation: For the Enterprise Campus, DHCP and internal DNS servers should be located in the Server Farm and they should be redundant. External DNS servers can be placed redundantly at the service provider facility and at the Enterprise branch. 

Q133. What type of device can be installed to increase a broadcast domain? 

A. router 

B. switch 

C. IDS 

D. IPS 

Answer:

Q134. A customer requests a filtering design based on the need to scan all internet traffic, including remote workers. What solution meets these requirements? 

A. Cisco Cloud Web Security 

B. Cisco Network Admission Control 

C. Cisco Identity Services Engine 

D. Cisco Adaptive Security Appliance 

Answer:

Q135. Which of the following three options represents the components of the Teleworker Solution? (Choose three.) 

A. Cisco Unified IP Phone 

B. Cisco 880 Series Router 

C. Aironet Office Extend Access Point 

D. Catalyst 3560 Series Switch 

E. Cisco 2900 Series Router 

F. MPLS Layer 3 VPN 

G. Leased lines 

Answer: A,B,E 

Explanation: 

A Cisco ASR is used to terminate Teleworker solutions, not a 2900 series router. Hybrid teleworker uses Aironet, Advanced teleworker uses 880, both use IP phones. google: "at_a_glance_c45-652500.pdf" for details 

The Cisco Virtual Office Solution for the Enterprise Teleworker is implemented using the Cisco 800 series ISRs. Each ISR has integrated switch ports that then connect to the user’s broadband connection. The solution uses a permanent always-on IPsec VPN tunnel back to the corporate network. This architecture provides for centralized IT security management, corporate-pushed security policies, and integrated identity services. In addition, this solution supports the enterprise teleworker needs through advanced applications such as voice and video. For example, the enterprise teleworker can take advantage of toll bypass, voicemail, and advanced IP phone features not available in the PSTN. 

Enterprise Teleworker Module 

The enterprise teleworker module consists of a small office or a mobile user who needs to access services of the enterprise campus. As shown in Figure 2-14, mobile users connect from their homes, hotels, or other locations using dialup or Internet access lines. VPN clients are used to allow mobile users to securely access enterprise applications. The Cisco Virtual Office solution provides a solution for teleworkers that is centrally managed using small integrated service routers (ISR) in the VPN solution. IP phone capabilities are also provided in the Cisco Virtual Office solution, providing corporate voice services for mobile users. 

Q136. Which WAN technology is a cost-effective method to deliver 100Mb of bandwidth to multiple branch offices? 

A. DSL 

B. DWDM 

C. ISDN 

D. Metro Ethernet 

Answer:

Q137. Which three are considered as technical constraints when identifying network requirements? (Choose three.) 

A. support for legacy applications 

B. bandwidth support for new applications 

C. limited budget allocation 

D. policy limitations 

E. limited support staff to complete assessment 

F. support for existing legacy equipment 

G. limited timeframe to implement 

Answer: A,B,F 

Explanation: 

Network design might be constrained by parameters that limit the solution. Legacy applications might still exist that must be supported going forward, and these applications might require a legacy protocol that may limit a design. Technical constraints include the following: 

.Existing wiring does not support new technology. 

.Bandwidth might not support new applications. 

.The network must support exiting legacy equipment. 

.Legacy applications must be supported (application compatibility). 

Q138. Which two common cable management strategies are used in high-density server deployments in the data center? (Choose two.) 

A. top-of-rack 

B. middle-of-rack 

C. bottom-of-rack 

D. beginning-of-row 

E. middle-of-row 

F. end-of-row 

Answer: A,F 

Q139. A company requires a managed WAN solution that supports Layer 2 adjacency across remote offices for applications and services. What solution should be selected? 

A. DMVPN 

B. MPLS 

C. VPLS 

D. FR 

Answer:

Q140. In which phase of PPDIOO are the network requirements identified? 

A. Design 

B. Plan 

C. Prepare 

D. Implement 

E. Operate 

F. Optimize 

Answer:

Explanation: 

Plan Phase 

The Plan phase identifies the network requirements based on goals, facilities, and user needs. This phase characterizes sites and assesses the network, performs a gap analysis against best-practice architectures, and looks at the operational environment. A project plan is developed to manage the tasks, responsible parties, milestones, and resources to do the design and implementation. The project plan aligns with the scope, cost, and resource parameters established with the original business requirements. This project plan is followed (and updated) during all phases of the cycle. 

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