What are the primary concerns of implementing distributed file systems?
What will be an ideal response?
Designers should consider many things, including fault tolerance, consistency, scalability
and security.When a machine crashes, the system should provide mechanisms to leave the
file system in a stable and consistent state.The system should keep the multiple copies of the
same file consistent, so that the client always obtains the most updated and correct version.
Distributed file systems should be scalable so that it is easy to add new computers. Distributed
file systems also should ensure secure communications and guarantee correct file access
permissions to prevent improper access to files.
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Hexadecimal represents numbers using which base?
A) 2 B) 8 C) 10 D) 16
A select query, based on criteria, shows a portion of the total records available, also known as a(n) ________
Fill in the blank(s) with correct word
COGNITIVE ASSESSMENT What is a receiving device?
A. a device that initiates an instruction to transmit data, instructions, or information B. a device that connects to a communications channel C. a device on which data, instructions, and information travel D. a device that accepts the transmission of data, instructions, or information
Email is a ________ form of online communication.
a. private b. real-time c. store-and-forward d. synchronous