According to Cisco, which four improvements are the main benefits of the PPDIOO lifecycle approach to network design
- Improved business agility. - Increased network availability. -Faster access to applications and services. -Lower total cost of network ownership.
Characterizing an existing network requires gathering as much information about the network as possible.Which of these choices describes the preferred order for the information-gathering process?
Existing documentation and organizational input, site and network audits, traffic analysis.
You want to gather as much detail as possible during a network audit with a minimal impact on the network devices themselves. Which tool would you use to include data time stamping across a large number of interfaces while being customized according to each interface?
Which three are considered as technical constraints when identifying network requirements?
-Support for legacy applications. -Bandwidth support for new applications. -Support for existing legacy equipment.
In which phase of PPDIOO are the network requirements identified?
Which is part of the Prepare phase of PPDIOO?
Identity customer requirements.
During which phase of the PPDIOO model would you conduct interviews with supporting staff to develop and propose a viable solution?
Which statement accurately represents the characteristics of the core layer in this design?
Partial mesh should be used as long as it is connected to each device by multiple paths.
What are the three primary functions of the distribution layer of the campus network design hierarchy?
-Provide Q.o.S. services. -Enforce security policies. -Connect access devices to the core backbone.
Which of the following is a component within the Cisco Enterprise Campus module?
Which two of the following are benefits of using a modular approach to network design?
-Improves flexibility -Facilitates Implementation
Which three solutions are part of the Borderless Network Services?
-TrustSec -MediaNet -EnergyWise
Which three modular components are part of the Cisco Enterprise Edge Architecture?
-E-commerce module. -Internet connectivity module. -Remote access and VPN module.
Where in the Cisco Enterprise Architecture model does network management reside?
Enterprise campus module
Which two statements about designing the Data Center Access layer are correct?
-Layer 2 connectivity is primarily implemented in the access layer. -Layer 2 clustering implementation requires servers to be Layer 2 adjacent.
Which two statements correctly identify the layers of the Enterprise Campus module?
-A is the Data center Module and D is the Building Access layer. -B is the Campus Core layer and C is the Building Distribution layer.
What is the primary consideration when choosing a routed network design over a traditional campus network design?
Layer 3 services support at the network edge.
The evolution of the Data Center is best represented by the 3.0 architecture component of virtualization. Which of the following is not an example of the virtualization taking place in the Data Center?
Virtualized media access utilizing Fibre Channel over Ethernet.
When selecting which hardware switches to use throughout an enterprise campus switched network, which consideration is not relevant?
The number of shared media segments.
Which two of these practices are considered to be best practices when designing the access layer for the enterprise campus?(
Always use a Spanning Tree Protocol; preferred is Rapid PVST+.
Use VTP transparent mode to decrease the potential for operational error.
The enterprise campus core layer has requirements that are unique from the distribution and access layers.Which of the following is true about the core layer?
The campus core layer is optional.
When there is a need for immunity to EMI for connecting locations that are greater than 100 meters apart, which two solutions can be utilized?
-Multimode fiber. -Single-mode fiber.
Which of these statements is true concerning the data center access layer design?
with Layer 2 access, the default gateway for the servers can be configured at the access or aggregation layer.
Which layer of the OSI model does Cisco recommend to place the enterprise network core layer, when designing a network based on its switched hierarchical design?
Which one of these statements is true concerning the data center distribution (aggregation) layer design?
A mix of both Layer 2 and Layer 3 access is sometimes the most optimal.
Which factor would be most influential in choosing multimode fiber optic connections over UTP?
Which three are associated with the distribution layer within the campus design?
Which statement is true concerning enterprise edge distribution switches?
Enterprise edge distribution switches are similar to the building distribution layer.
OSPF will be used as the IGP within a campus network. Which two things should you consider before deployment?
-All areas need to connect back to area 0.
- ECMP may cause undesired results depending on the environment.
High availability is a key design consideration in the enterprise campus network. In a fully redundant topology, which is likely to provide faster IGP convergence during a failure?
Single supervisor with tuned IGP timers.
Which Cisco technology using Nexus NX-OS infrastructure allows the network architect to create up to four separate control and data plane instances of the Nexus chassis?
Virtual device context.
An enterprise campus module is typically made up of four submodules, as described by the Cisco Enterprise Architecture Model. Which two submodulesare part of this module?
-Building distribution. -Server farm/data center
Which three options are valid Cisco STP tools used to ensure best-practice access layer design for the enterprise campus?
-Portfast. -Root Guard. -BPDU Guard.
Which is a factor in enterprise campus design decisions?
Network application characteristics
Spanning Layer 2 across geographically separate data centers is a key consideration for current data center designs. Which is the name of the NX-OS technology that facilitates MAC in IP transport for Layer 2 VLANs across any IP network?
Overlay Transport Virtualization
Which network virtualization technology involves creating virtual routers with its own individual routing tables on a physical router?
VRF (virtual routing forwarding)
In the enterprise data center, which are the three main components?
-Network Infrastructure. -Interactive services -Data Center Management
Which one of these statements describes why, from a design perspective, a managed VPN approach for enterprise teleworkers is most effective?
This architecture provides centralized management where the enterprise can apply security policies and push configurations.
When designing using the Cisco Enterprise Architecture, in which Enterprise Campus layer does the Remote Access and VPN module establish its connection?
What are three key areas that need to be considered when designing a remote data center?
-Power diversity. -Data storage. -applications.
If a teleworker is required to access the branch office via a secure IPSEC VPN connection, which technology is recommended to provide the underlying transport?
Which three describe challenges that are faced when deploying an environment for teleworkers?
-Supporting a mix of technically knowledgeable and nontechnical users. -Simplifying router installation and configuration. -avoiding situations where employees might use nonstandard hardware or configurations.
Which model of ISR is utilized for the teleworker design profile?
Cisco 800 series
You need to connect to a remote branch office via an Internet connection. The remote office does not use Cisco equipment. This connection must be secure and must support OSPF. Which of the following can be used to transport data to the branch office?
GRE over IPsec
When designing a WAN backup for voice and video applications, what three types of connections should be used?
-Private WAN. -ISDN -MPLS
Which two are characteristics of a Lightweight Access Point?
-Managed via a central wireless LAN controlled. -CAPWAP tunnels.
Which two link state routing protocols support IPv6 routing?
Which two statements best describe an OSPF deployment?
-ABR requires manual configuration for classful network summarization. -External routes are propagated into the autonomous system from regular areas of NSSA via ASBR.
Which one of these statements should the designer keep in mind when considering the advanced routing features?
Redistribution, summarization, and filtering are most often applied between the campus core and enterprise edge.
Which two routing protocols operate over NBMA point-to-multipoint networks without the use of point-to-point subinterfaces?
- O.S.P.F. -E.I.G.R.P.
When designing an EIGRP network, which two things should you take into consideration?
-ASN and K values must match. - The neighbor command can be used to enable unicast communication.
Which three modules would typically utilize public IPv4 addressing?