Experiencing MIS
Experiencing MIS
8th Edition
ISBN: 9780134792736
Author: KROENKE
Publisher: PEARSON
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Chapter 5, Problem 5ARQ

Explanation of Solution

System architecture available to falcon security

The two system architecture available to falcon security include

  • Scheduler
    • Falcon system has picked Oozie as the default scheduler.
    • Falcon system is open for integration with other schedulers.
    • Lots of data processing in Hadoop requires scheduling to be based on both data availability as well as time.
    • Oozie supports all these capabilities off the shelf...

Explanation of Solution

Advantages and disadvantages of scheduler

AdvantagesDisadvantages
Falcon scheduler is periodic and provides calender-based scheduling.Oozie scheduler is proving to be a limiting factor.

It provides data availability based scheduling.

Falcon relies on Oozie for both scheduling and workflow execution due to which scheduling is limited to time based or cron based scheduling.
It provides for optional or mandatory datasets.It imposes restrictions on datasets being periodic in nature...

Explanation of Solution

Apache Falcon

Apache Falcon provides

  • It supports credential provider for passwords used in Falcon server...

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We are considering the RSA encryption scheme. The involved numbers are small, so the communication is insecure.  Alice's public key (n,public_key) is (247,7). A code breaker manages to factories  247 = 13 x 19  Determine Alice's secret key. To solve the problem, you need not use the extended Euclid algorithm, but you may assume that her private key is one of the following numbers 31,35,55,59,77,89.
Consider the following Turing Machine (TM). Does the TM halt if it begins on the empty tape? If it halts, after how many steps? Does the TM halt if it begins on a tape that contains a single letter A followed by blanks? Justify your answer.
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