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Exam CISA topic 1 question 835 discussion

Actual exam question from Isaca's CISA
Question #: 835
Topic #: 1
[All CISA Questions]

A bank’s transactional services are exclusively conducted online via Internet and mobile banking. Both its primary and disaster recovery sites are supported by the same Internet service provider (ISP). Which of the following is the BEST way for the bank to minimize risk in this situation?

  • A. Conduct incremental backups of transactional data every two hours.
  • B. Conduct real-time data synchronization between the primary and disaster recovery sites.
  • C. Revise the current contract to require 99.99% connection availability with the current ISP.
  • D. Establish a contractual agreement with a second ISP to cover connection to the disaster recovery site
Show Suggested Answer Hide Answer
Suggested Answer: D 🗳️
by saado9 at March 14, 2023, 1:18 p.m.

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hulisani
1 year, 1 month ago
Selected Answer: D
To avoid single point of failure, secondary ISP is needed
upvoted 1 times
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jugheadswottlewiz
1 year, 9 months ago
I am currently studying towards this certification and i wanted to know which answer is should consider, the one making sense or the one they nominated Please those who passed can you help?
upvoted 2 times
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SuperMax
1 year, 9 months ago
Selected Answer: D
D. Establish a contractual agreement with a second ISP to cover connection to the disaster recovery site. The best way for the bank to minimize risk in this situation is to have redundancy in its internet connectivity to the disaster recovery site. Currently, both the primary and disaster recovery sites are supported by the same Internet service provider (ISP), which creates a single point of failure. If this ISP experiences an outage or other issues, it could disrupt both the primary and disaster recovery operations. By establishing a contractual agreement with a second ISP to cover the connection to the disaster recovery site, the bank ensures that it has a backup internet connection. This redundancy reduces the risk of downtime or data loss in the event of a connectivity issue with the primary ISP. This approach enhances the bank's business continuity and disaster recovery capabilities.
upvoted 1 times
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007Georgeo
2 years, 2 months ago
Selected Answer: D
Because C: may help to reduce the risk of downtime due to network outages, but it does not address the issue of a single point of failure.
upvoted 3 times
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BabaP
2 years, 2 months ago
Selected Answer: D
D is better
upvoted 2 times
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Bisi3
2 years, 3 months ago
D. The answer should be D
upvoted 2 times
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saado9
2 years, 4 months ago
D. Establish a contractual agreement with a second ISP to cover connection to the disaster recovery site
upvoted 3 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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