A systems administrator is performing an OS upgrade on a production VM. Which of the following actions should the administrator take before the upgrade to ensure the FASTEST recovery of the system in case the upgrade fails in an unrecoverable way?
Answer(s): C
Users are experiencing slow response times from an intranet website that is hosted on a cloud platform. There is a site-to-site VPN connection to the cloud provider over a link of 100Mbps. Which of the following solutions will resolve the issue the FASTEST?
The fastest solution to the slow response times from the intranet website hosted on a cloud platform would be to enable quality of service (QoS). QoS allows network traffic to be prioritized to ensure that important traffic, such as the intranet website traffic, is given priority over less important traffic. This can improve response times and ensure that users can access the intranet website quickly, even when other network traffic is present. Changing the connection to point-to-site VPN, ordering a direct link to the provider, or upgrading the link to 200Mbps may also help to improve response times, but they would likely take longer to implement and may involve additional costs.
A company with a worldwide presence wants to improve the user experience for its website. Which of the following can a systems administrator implement to improve download speeds and latency for the end users?
Answer(s): A
An administrator receives a ticket indicating the accounting application is not working. Which of the following should the administrator check FIRST?
Answer(s): D
The correct answer is D. System logs.Before looking at the network components, an administrator should check the system logs for any related error messages that could give insight into what is causing the issue. The logs may reveal issues with the application or the system on which it is running, helping the administrator pinpoint the problem quickly and efficiently. Once the problem has been identified, the administrator can then move on to other troubleshooting steps, such as checking the network configuration or consulting the service-level agreement.
A company recently adjusted its load-balancer encryption policies to support only TLSv1.3. Soon after the change was made, several customers began reporting they could not access their website. Which of the following is the MOST likely cause of the issue?
The most likely cause of the issue is that the customers' browsers or operating systems do not support TLSv1.3 encryption protocol. While TLSv1.3 is a more secure protocol than earlier versions, it is not yet widely supported by all web browsers and operating systems. The load balancer was configured correctly, as it was set to support only TLSv1.3, but this caused compatibility issues with some customers. The other options listed are less likely to be the cause of the issue in this scenario.
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