Answer:
Direct data access reduces the speed of retrieving data from memory or storage. Retrieving data and storing it in a cache memory provides direct access to data in the storage.
Explanation:
Sequential memory access, as the name implies, goes through the memory length location in search of the specified data. Direct memory access, provides a memory location index for direct retrieval of data.
Examples of direct and sequential memory access are RAM and tapes respectively. Data in sequential memory access can be access directly by getting data in advance and storing them in cache memory for direct access by the processor.
Answer:
A storage area network (SAN) is a dedicated high-speed network or subnetwork that interconnects and presents shared pools of storage devices to multiple servers.
The availability and accessibility of storage are critical concerns for enterprise computing. Traditional direct-attached disk deployments within individual servers can be a simple and inexpensive option for many enterprise applications, but the disks -- and the vital data those disks contain -- are tied to the physical server across a dedicated interface, such as SAS. Modern enterprise computing often demands a much higher level of organization, flexibility and control. These needs drove the evolution of the storage area network (SAN).
SAN technology addresses advanced enterprise storage demands by providing a separate, dedicated, highly scalable high-performance network designed to interconnect a multitude of servers to an array of storage devices. The storage can then be organized and managed as cohesive pools or tiers. A SAN enables an organization to treat storage as a single collective resource that can also be centrally replicated and protected, while additional technologies, such as data deduplication and RAID, can optimize storage capacity and vastly improve storage resilience -- compared to traditional direct-attached storage (DAS).
SAN architecture
A storage area network consists of a fabric layer, host layer and storage layer.
Answer:
d. asks you to rethink the way you are doing your work.
Explanation:
A business strategy generally sets the overall direction for a business and as it focuses on defining how a business would achieve its goals, objectives, and mission; as well as the funds and material resources required to implement or execute the business plan.
Business process re-engineering can be defined as a strategic technique which typically involves being innovative while discarding old business processes, procedures and ideas in order to achieve maximum level of success.
Hence, business process re-engineering asks you to rethink the way you are doing your work.
For example, if you use manual labor for the production of your goods but then decided to start using automated machines for the production and packaging of your products. .
Answer:
If one bulb goes out, the other bulbs will go out.
They are complicated to design and build.
Answer:
Digital signature.
Explanation:
Digital signature is used to ensure the integrity and authenticity of a Word document but requires additional services to be available on the internal network.
This is important as it makes sure that the file is authentic and not malware.
