Availability Solutions CNX-001 Practice Questions (Page 7)

Questions 31–35

1. 31application · medium

   A company runs a web application on a set of virtual machines behind a load balancer. The application experiences predictable traffic spikes during business hours and low traffic at night. They want to automatically adjust the number of VMs based on CPU utilization while keeping costs down. What should they configure?

   • AA load balancer rule that distributes traffic evenly
   • BA manual process where an administrator adds VMs during peak hours
   • CAn autoscaling policy that adds VMs when CPU exceeds 70% and removes VMs when CPU drops below 30%
   • DA scheduled scaling policy that adds VMs at 8 AM and removes them at 6 PM
   Reveal Solution Discussion Select an answer first
2. 32application · medium

   A company runs a web application on a set of VMs. They want to automatically scale out during peak hours and scale in during off-peak hours. They also want to ensure that the application remains available during scaling events. What should they configure?

   • AA load balancer without health checks
   • BAn autoscaling policy without a cooldown period
   • CAn autoscaling policy with a cooldown period and a health check on the load balancer
   • DA scheduled scaling policy that adds VMs at 9 AM and removes them at 5 PM
   Reveal Solution Discussion Select an answer first
4. 33expert · hard

   A company wants to use a CDN to improve performance for their global users. However, they are concerned about the cost of CDN egress traffic. They want to minimize costs while still improving performance. What should they do?

   • ADisable caching for all content
   • BUse a CDN with a single edge location
   • CUse a load balancer instead of a CDN
   • DConfigure caching rules to cache more content and set appropriate TTLs
   Reveal Solution Discussion Select an answer first
5. 34application · medium

   A media company wants to deliver video content to users across multiple continents. They need to reduce buffering and improve download speeds. What should they implement?

   • AA load balancer that distributes traffic to multiple origin servers
   • BA larger origin server with more bandwidth
   • CA CDN with multiple edge locations and caching rules for video files
   • DA VPN that routes traffic through a central location
   Reveal Solution Discussion Select an answer first
6. 35foundation · easy

   What is a common approach to implementing redundancy for a critical server, such as a database server, to ensure high availability?

   • AUsing a cluster with active-passive failover, where a standby server takes over if the primary fails.
   • BPlacing the server in a DMZ to protect it from external attacks.
   • CIncreasing the server's RAM and CPU to handle more load.
   • DConfiguring the server to use a dynamic IP address.
   Reveal Solution Discussion Select an answer first