Module 8 - Network Infrastructure and Cloud Computing

A power-over-Ethernet (PoE) switch provides power to end devices. What is the maximum voltage provided by a PoE1 switch port to the device?

25.5 watts

You recently installed a SOHO router in a customer's home, and the owner has called to say their child is complaining that Internet gaming is too slow on their wireless laptop. Which possibilities should you consider to speed up the gaming experience? (Choose all that apply.)

A) Verify that the wireless connection is using the fastest wireless standard the router supports B) Suggest they use a wired Gigabit Ethernet connection to the network for gaming

Which of the following tools can be used to determine if a network cable is good?

Cable Tester Loopback Plug

Cable and fiber-optic modems are increasing in popularity with ISPs across the United States. While these are great for stationary connections to the Internet, travelers need another option for connectivity. Which of the following can provide a cost-effective solution for connectivity?

Cellular WAN

Your customer, Miranda, recently installed a new router in her dance studio, as shown in the diagram in Figure 8-61. She then ran Ethernet cables through the drop ceiling to computers in various offices. Without any further testing, which computers do you suspect are experiencing connection problems?

Computer B and C

You're setting up some VMs to test an application you're considering making available to employees of the small company you work for. You need to test the app in a variety of OSs, and you don't expect to need these VMs after testing is complete. You'd like setup to be as simple and straightforward as possible without needing to make any changes to the servers on your network. Which of these hypervisors will best serve your needs?

Hyper-V

A friend of yours is having trouble getting good Internet service. They say their house is too remote for cable TV, and they don't even have a telephone line to their house. They have been very frustrated with satellite service because storms and even cloudy skies can disrupt the signal. They use Verizon for their cell phone, which gets good signal at the house. What Internet service would you recommend they look into getting for their home network?

LTE Installed Internet

Which of the following resources are shared between the host computer and a VM? (Choose all that apply.)

NIC Hard Drive

Which of the following tools can be used to monitor network traffic by a monitoring system such as an IDS or IPS?

Network tap

You work for a small startup company that just hired five new employees, doubling its number of team members. In preparation for the new employees' first day in the office, you add five new user accounts to your CRM (customer relationship management) software subscription, a service that is hosted in the cloud. What aspect of cloud computing has worked to your advantage?

Rapid Elasticity

Office 365 is an example of what type of cloud computing service model?

SaaS

Which component in a thin client might need a higher rating than other components?

The NIC, because most of the processing is done on the server

Alicìa is having trouble browsing the Internet on the wireless network from the employee lunchroom on her lunch break. You check her connection, and it appears that the connection works for a few minutes but then disconnects. The NIC settings show the correct IP address and Wi-Fi settings, but you continue to see the up/down on the connection. Which of the following could best explain why Alicìa is having problems?

The microwave in the lunchroom is causing interference

You have three VMs running on a Windows 10 computer. Two of the VMs—machines A and B—can communicate with the Internet and other network resources, as is the host Windows 10 machine. However, one VM, machine C, cannot access websites on the Internet. What is the first component you check?

VM C's virtual NIC

Your manager has instructed you to set up a virtualization workstation that will provide help desk users with access to Windows 10 Pro and Home, Ubuntu Desktop, Linux Mint, and Android Oreo and Pie. They also want you to use Client Hyper-V as the hypervisor. In what order should you install the operating systems and hypervisor?

Windows 10 Pro, Client Hyper-V, remaining OSs in VMs