WAN Accelerators

Correct Answer: Verify if the WAN accelerator is properly configured

The best solution for the problem described is to 'Verify if the WAN accelerator is properly configured'. A WAN (Wide Area Network) accelerator is meant to improve the performance of applications running over the WAN. If after its implementation the data transfer speed has slowed down, it likely indicates that there's a problem with the configuration of the WAN accelerator. Hence, before considering more drastic measures like hardware changes or network upgrades, checking the configuration should be the first step The other options: 'Upgrade the wide area network connections', 'Change WAN accelerator to a higher-capacity device', and 'Increase the workload on the application server' are less likely to be the immediate solution. Upgrading the network connections or changing the accelerator to a higher-capacity device may be costly, unnecessary and not guarantee the resolution of the issue if the problem lies within an incorrect configuration. Increasing the workload on the application server will not help with the network speed; it might even make it worse by adding more load to the already slower network.

Correct Answer: Disable compression for encrypted traffic

The best solution in the given situation where a WAN accelerator is suspected of causing network bottlenecks by compressing encrypted data is to 'Disable compression for encrypted traffic'. The WAN accelerator compresses data to reduce the amount of data that needs to be transmitted over the network. However, when it comes to encrypted data, compression can cause issues because encrypted data doesn't typically benefit from compression and can actually increase in size, causing data throughput problems. Therefore, disabling the compression for such data can alleviate the problem. The wrong approaches include 'Encrypt data after it passes through the WAN accelerator' because data should be encrypted as soon as possible for maximum security and not after it has already passed through certain network equipment like a WAN accelerator. 'Enable compression for all traffic' is not a correct approach because it could exacerbate the problem at hand. 'Upgrade the encryption algorithm on the application' is also a wrong solution because updating the encryption algorithm will not solve the bottleneck issue which is caused by compression not by the encryption itself.

Correct Answer: Install a WAN accelerator that supports cloud-based applications

Installing a WAN accelerator that supports cloud-based applications would be the most effective solution in this scenario. A WAN (Wide Area Network) accelerator can optimize the network performance, thus improving access speed. It is particularly useful for remote employees who connect to the company's network from various locations. The WAN accelerator will reduce data transmission times and increase transmission speed, thus making the cloud-based accounting system faster for the remote employees. On the other hand, assigning a higher priority to non-cloud based applications won't help improve the speed of the cloud-based accounting system. Upgrading the internal network switch is unrelated as the problem pertains to remote access, and reducing the bandwidth allocated to remote employees would only worsen the situation by lowering their ability to access the system when working remotely.