A help desk technician thinks a desktop PC has failed due to a defective power supply. Which of the following steps should the technician take NEXT?

• A.Inquire about environmental or infrastructure changes.
• B.Conduct external or internal research based on symptoms.
• C.Establish a plan of action to resolve the problem and implement the solution.
• D.Document the findings, actions, and outcomes.

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Which of the following network devices is used to separate broadcast domains?

• A.Hub
• B.Switch
• C.Wireless access point
• D.Router

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A user is researching hard drives to upgrade a PC and has decided to purchase a NVMe drive. Which of the following Should the user confirm are available on the PC before making the purchase? (Select TWO).

• A.SATA
• B.M.2
• C.PCIe
• D.SAS
• E.SCSI
• F.DRAM

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While implementing a non-carrier-grade wireless backhaul, a technician notices the current channel selection is externally polluted with various RF signals. Upon performing a spectral analysis, the technician discovers a channel containing almost no RF pollution. Unfortunately, the technician is unable to select that channel. Which of the following is the MOST likely reason for this issue?

• A.The channel is reserved for licensed band use.
• B.The channel selection is defective, contact the manufacturer.
• C.The channel must be unblocked by the vendor.
• D.The device requires a firmware update to unlock the channel.

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Which of the following concepts would be used by an online retailer to quickly add more web servers during peak sales times?

• A.Community cloud
• B.Rapid elasticity
• C.High availability
• D.Metered service

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