1101 Study Guide/Notes Flashcards
What should be attempted first when solving an IT issue?
Attempt the simplest solution first.
What is the difference between Mobile Device Management (MDM) and Mobile Application Management (MAM)?
MDM manages devices, while MAM specifically manages applications on devices.
Give an example of either Platform as a Service (PaaS) or Infrastructure as a Service (IaaS).
PaaS example: Google App Engine; IaaS example: Amazon EC2.
What is a metered service in cloud computing?
A metered service charges based on usage.
What role does a router play in a network?
A router serves as a gateway for connecting multiple networks.
What is a DHCP scope?
A DHCP scope defines the range of IP addresses that can be assigned on a network.
What issue is likely caused by duplicate IP addresses on a network?
Duplicate IP addresses cause communication issues between users on a network.
What’s the difference between a Local Area Network (LAN) and a Personal Area Network (PAN)?
LAN is a network in a localized area; PAN is for very short-range, personal device connectivity.
What might vertical streaks on printed pages indicate?
Vertical streaks on pages likely indicate a drum issue in the printer.
What should you check if a 3D printer is printing objects with a warped bottom?
Replace the 3D printer’s print bed.
What could shadowing on an inkjet page indicate, and how can you fix it?
Reseat the ink cartridges to fix shadowing issues.
What does DHCP do?
DHCP automatically assigns IP addresses to devices on a network.
What is APIPA, and when does a device use it?
APIPA assigns a private IP address when DHCP fails.
What does DNS do on a network?
DNS translates domain names to IP addresses.
What is a sandbox environment, and why would it be used?
A sandbox is an isolated testing environment.
What is the maximum length of CAT cables in meters and feet?
The maximum length is 100 meters or 328 feet.
Which 802.11 Wi-Fi standard has the highest bandwidth?
802.11ax has the highest bandwidth.
What is a VDI environment, and why might it be used?
VDI provides remote access to a virtual desktop, useful for secure, managed environments.
What is virtualization, and how does it work on the client side?
Virtualization creates virtual machines, often managed on client-side Type 2 hypervisors.
Describe each step in the troubleshoot methodology.
Troubleshooting steps: identify the problem, establish a theory, test theory, plan action, verify, document.
What are keystone settings on a projector used for?
Keystone settings adjust the image angle on a projector.
What could be the cause of fuzzy images on a display?
Fuzzy images may indicate focus issues or need display calibration if its a projector, or resolution for a display.
Name the function of the following ports: SSH, RDP, and FTP.
SSH: secure shell access, RDP: remote desktop troubleshooting; FTP: file transfer protocol.
What’s the difference between RAID 0 and RAID 5?
RAID 0 splits data for speed; RAID 5 provides redundancy with distributed parity.