Question 1easymultiple choice
Full question →easymultiple choiceObjective-mapped
A customer portal must continue operating if one application server fails. The business wants a simple, cost-conscious design that improves availability. What is the best approach?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Best answer
Add a second application server behind a load balancer.
This is the best answer because it adds redundancy and allows traffic to continue flowing if one application server goes down. A load balancer can route users to the healthy server, which improves availability without requiring a much more expensive architecture. For a simple portal, this is a practical fault-tolerance upgrade that reduces the impact of a single server failure.
B
Distractor review
Schedule nightly backups to a different storage account.
Backups are important for recovery, but they do not keep the portal online during a server failure.
C
Distractor review
Buy a larger server with more CPU and memory.
More capacity improves performance, but it still leaves a single point of failure.
D
Distractor review
Move the portal to a different subnet without changing the servers.
A different subnet does not add redundancy or protect against server outage.
Common exam trap
Common exam trap: usable hosts are not the same as total addresses
Subnetting questions often tempt you into counting all addresses. In normal IPv4 subnets, the network and broadcast addresses are not usable host addresses.
Technical deep dive
How to think about this question
Subnetting questions test whether you can identify the network, broadcast address, usable range, mask and correct subnet. Slow down enough to calculate the block size correctly.
KKey Concepts to Remember
- CIDR notation defines the prefix length.
- Block size helps identify subnet boundaries.
- Network and broadcast addresses are not usable hosts in normal IPv4 subnets.
- The required host count determines the smallest suitable subnet.
TExam Day Tips
- Write the block size before choosing the subnet.
- Check whether the question asks for hosts, subnets or a specific address range.
- Do not confuse /24, /25, /26 and /27 host counts.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
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Question 2
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Question 3
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Question 4
You are handed a company laptop suspected in an insider theft case. Legal says the evidence may be needed in court. Which action best preserves admissibility?
Question 5
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Question 6
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FAQ
Questions learners often ask
What does this SY0-701 question test?
CIDR notation defines the prefix length.
What is the correct answer to this question?
The correct answer is: Add a second application server behind a load balancer. — Adding a second application server behind a load balancer is the best low-complexity availability design for a portal that must survive one server failure. The load balancer can direct traffic to the remaining healthy server, so users keep working even if one node fails. This provides resilience through redundancy and is more effective than simply increasing server size or relying on backups alone. Why others are wrong: Backups help restore data after a failure, but they do not provide live service continuity. A larger server still leaves a single point of failure, so availability does not improve meaningfully. Moving the servers to another subnet does not create any redundancy or automatic failover.
What should I do if I get this SY0-701 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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