Answer:
Use the System Restore tool to restore the affected computers back to a point before the problematic updates. To forestall issues with problematic updates, one needs to install and configure the Windows Server Update Services (WSUS) Server role.
Explanation:
Windows Update creates a restore point prior to applying any updates and this makes it easier to rollback any problematic updates using the aptly named System Restore utility. System Restore can be launched either from within Windows or during startup depending on whether the computer can be booted or not.
One solution to preventing this kind of problem is the implementation of a Windows Server role, the Windows Server Update Services (WSUS), which helps administrators to safely manage Windows Update for clients within its network. WSUS allows administrators to test updates for issues and approve them before they are available for deployment to clients.
Answer: (C) Ransomware
Explanation:
The ransomware is one of the type of malware software design which is used for blocking the user accessing unauthorized and also without paying money.
The most of the ransomware software encrypt the computer accessing and the files as they demand for the payment dues for again restoring the access.
It also encrypt the user account and the information until the correct decrypt key are get entered into the system. So, according to the given situation, the ransomware attack are experienced in an organization.
Therefore, Option (C) is correct.
Answer:
True
Explanation:
Solution
ZigBee uses unlicensed frequency bands but operate at slower speed or data rates.
ZigBee: This communication is particular designed for control and sensor networks on IEEE 802.15.4 requirement for wireless personal area networks (WPANs), and it is a outcome from Zigbee alliance.
This communication level defines physical and (MAC) which is refereed to as the Media Access Control layers to manage many devices at low-data rates.
Answer:
Correct answer is (d) Scalable solution for an enterprise environment
Explanation:
Scaling and enterprise simply means adding up resources to the business need. By adding hardware (s) or by upgrading the existing hardware without changing much of the application, one will be able to implement a three-tier campus network.
