15.5.7 prctice questions
You have purchased a solar backup power device to provide temporary electrical power to critical systems in your data center should the power provided by the electrical utility company go out The solar panel array captures sunlight, converts it into DC, and stores it in large batteries. However... Which electrical devices should you implement to convert the DC power stored in the batteries into AC power that can be used in the data center?
inverter
Which of the following is the least effective power loss protection for computer systems?
surge protector
You've just installed a new 16U wall-mounted rack in your data center. You need to install the following equipment in this rack: A 4U redundant power supply A 4U server A 4U switch A 2U router Which of the following equipment will also fit in this rack along with the above equipment?
2U UPS
Components within your server room are failing at a rapid pace. You discover that the humidity in the server room is at 60% and the temperature is at 80 degrees. What should you do?
Add a separate A/C unit in the server room
You manage the website for your company. The website uses a cluster of two servers with a single shared storage device. The shared device uses a RAID 1 configuration. Each server has a single connection to the shared storage, and a single connection to your ISP. You want to provide redundancy such that a failure in a single component does not cause the website to be unavailable. What should you add to your configuration to accomplish this?
Connect one server through a different ISP to the internet.
You have been hired by a startup company to install a new data center. The company is small, so they will elect to use an unused employee break room as the data center. You are concerned about truth physical security of the servers that will be installed in the data center. what should you do? select two
Install racks with locking doors Install a biometric lock on the data center door
You are adding a new rack to your data center, which will house two new blade servers and a new switch. The new servers will be used for visualization. the only space you have available in the data center is on the opposite side of the room from your existing rack, which already houses several servers, a switch, and a route. you plan to configure a trunk port on each switch and connect them with a straight-through UTP cable that will run across the floor of the data center. to protect equipment from power failures, you also plan to install a UPS in the rack along with redundant power supplies for the server. will this configure work?
No. you should not run a cable across the floor of the data center,.
Consider the network diagram shown below. Click on the item in the diagram that does not follow a standardized labeling scheme
PC2
You maintain the network for an industrial manufacturing company. You are concerned about the dust in the area getting into the server components and affecting the ability of the network. Which of the following should you implement?
Positive pressure system
Besides protecting a computer from under voltage, a typical UPS also performs which two actions.
Protects from over voltage Conditions the power signal
You are adding a new rack to your data center, which will house two new blade servers and a new switch. The new servers will be used for virtualization. The only space you have available in the data center is on the opposite side of the room from your existing rack, which already houses several servers, a switch, and a router. You plan to configure a trunk port on each switch and connect them with a cross-over plenum UTP cable that will be run through the suspended tile ceiling for the data center. what is wrong with this configuration? select two
You should implement a UPS between the wall outlet and the network devices You should implement redundant power supplies for the network devices