Practice Free 400-007 Exam Online Questions
Scrum is a subset of Agile and is a lightweight process framework for Agile development.
Which role becomes the interface between the business the customers and their product-related needs on one side and the Team on the other?
- A . Product Owner
- B . Product Manager
- C . Scrum Master
- D . Program Manager
An architect prepares a network design for a startup company. The design must be able to meet business requirements while the business grows and divests due to rapidly changing markets.
What is the highest priority in this design?
- A . The network should be hierarchical
- B . The network should be modular.
- C . The network should be scalable.
- D . The network should have a dedicated core.
A company uses equipment from multiple vendors in a data center fabric to deliver SDN, enable maximum flexibility, and provide the best return on investment.
Which YANG data model should be adopted for comprehensive features to simplify and streamline automation for the SDN fabric?
- A . proprietary
- B . OpenConfig
- C . native
- D . IETF
What are two examples of business goals to be considered when a network design is built? (Choose two.)
- A . standardize resiliency
- B . minimize operational costs
- C . integrate endpoint posture
- D . ensure faster obsolescence
- E . reduce complexity
Which mechanism provides Layer 2 fault isolation between data centers?
- A . fabric path
- B . OTL
- C . advanced VPLS
- D . LISP
- E . TRILL
What statement describes the application layer as defined in the software-defined networking architecture?
- A . This layer is responsible for collecting the network status such as network usage and topology.
- B . This layer contains programs that communicate their desired network behavior to controllers.
- C . This layer is responsible for handling packets based on the rules provided by the controller.
- D . This layer processes the instructions and requirements sent by networking components.
B
Explanation:
Reference: https://www.sunnyvalley.io/docs/network-basics/what-is-software-defined-networking-sdn
SDN emerged as a technology trend that attracted many industries to move from traditional networks to SDN.
Which challenge is solved by SDN for cloud service providers?
- A . need for intelligent traffic monitoring
- B . exponential growth of resource-intensive application
- C . complex and distributed management flow
- D . higher operating expense and capital expenditure
Feature-rich networks are complex network models that provide one or more features in addition to the network topology In attributed networks, attributes are assigned to the nodes to describe the corresponding entities For example, in a friendship network the actors can be described by their genre and their age.
Which two alternative network models can be used to model interaction over time or to model each attribute by a specific relationship?
- A . heterogeneous network
- B . information network
- C . location-aware network
- D . multilayer network
- E . probabilistic network
- F . temporal network
A financial company requires that a custom TCP-based stock-trading application beprioritized over all other traffic for the business due to the associated revenue. The company also requires that VoIP be prioritized for manual trades.
Which directive should be followed when a QoS strategy is developed for the business?
- A . Allow VoIP and the custom application to share the same priority queue,
- B . The custom application and VoIP must be assigned their own separate priority queue.
- C . Interleave the custom application with other TCP applications in the same CBWR
- D . Avoid placing the custom application in a CBWFQ queue that contains other
Which two actions must be taken when assessing an existing wireless network implementation for its readiness to support voice traffic? (Choose two.)
- A . Check for high roaming delay.
- B . Check for uniform radio coverage across the floors.
- C . Check for high channel utilization.
- D . Check for latency over wireless.
- E . Identify frequent TX power changes.