Company XYZ is planning to deploy primary and secondary (disaster recovery) data center sites. Each of these sites will have redundant SAN fabrics and data protection is expected between the data center sites. The sites are 100 miles (160 km) apart and target RPO/RTO are 3 hrs and 24 hrs, respectively. Which two considerations must Company XYZ bear in mind when deploying replication in their scenario? (Choose two.)
Answer(s): B,D
An architect receives a business requirement from a CTO that states the RTO and RPO for a new system should be as close as possible to zero. Which replication method and data center technology should be used?
Answer(s): A
-Synchronous replication ensures that the data on the secondary site is always up-to-date with the data on the primary site. This means that there is no RPO, as no data will be lost in the event of a failure.-Geographically dispersed dual data centers means that the secondary site is located in a different geographical location from the primary site. This helps to protect against natural disasters and other events that could affect both sites.-MPLS (Multiprotocol Label Switching) is a high-performance network technology that can be used to replicate data between geographically dispersed sites.The other options are not as suitable for this scenario.-Asynchronous replication does not guarantee that the data on the secondary site is always up-to-date with the data on the primary site. This means that there is an RPO, and some data could be lost in the event of a failure.-Metro Ethernet is a less reliable network technology than MPLS. This means that it is more likely to experience outages, which could lead to data loss.-CWDM (Coarse Wavelength Division Multiplexing) and DWDM (Dense Wavelength Division Multiplexing) are both optical networking technologies that can be used to transmit data over long distances. However, they are not as reliable as MPLS, and they can be more expensive.
What are two primary design constraints when a robust infrastructure solution is created? (Choose two.)
Answer(s): C,E
Solutions is already created, nothing mentioned about new technologies (staff experience is out), I hope it's not year 2023 (no components issue). Cost and time to build the solution.Good link to read.
https://community.cisco.com/legacyfs/online/ccde_9781587144615_chapter1.pdf
Which network management framework can be used to develop a network architecture that contains business requirements analysis, gap analysis, and network diagrams as artifacts to be used for design and implementation later?
Answer(s): C
The Open Group Architecture Framework, or TOGAF, is intended to serve as a standard for developing and implementing very large computer systems. TOGAF is used by 80% of Global 50 companies today. TOGAF® is used to help organizations design an IT infrastructure that is adapted to meet their requirements.
Which two types of planning approaches are used to develop business-driven network designs and to facilitate the design decisions? (Choose two.)
Answer(s): A,C
The two types of planning approaches that are used to develop business-driven network designs and to facilitate the design decisions are strategic planning approach and tactical planning approach.-Strategic planning approach is a long-term planning approach that focuses on the overall goals and objectives of the organization. This approach is used to ensure that the network design is aligned with the organization's business strategy.-Tactical planning approach is a short-term planning approach that focuses on the specific needs of the organization. This approach is used to ensure that the network design can meet the current and future needs of the organization.The other options are not as suitable for this purpose.-Business optimization approach is a more general approach to planning that can be used for any type of business. It is not specifically focused on network design.-Modular approach is a way of designing networks that uses pre-defined modules. This approach can be used to speed up the design process, but it can also make it difficult to adapt the network to changing needs.-Cost optimization approach is a way of designing networks that focuses on minimizing the cost of the network. This approach can be used to save money, but it can also lead to a network that is not as reliable or secure.
https://community.cisco.com/legacyfs/online/ccde_9781587144615_chapter1.pdf page 18
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