Google IT Support Professional Training Flashcards

Flashcards containing questions and answers to help you study.

What is the function of USB connectors?

USB connectors transfer data and power to devices connected to a computer and are the most common connector type.

What is the purpose of communication connectors?

RJ-45 and fiber optic cables connect devices to the internet and one another.

Name some legacy connectors that an IT professional may encounter

DB89 and Molex.

What are punch down blocks?

Terminal strips used to connect telephone or data lines.

What are some things to remember when repairing mobile devices?

Protect against static discharge, use the right tools, keep parts organized and labeled, taking pictures along the way can help a lot too, follow vendor documentation, and test the device to make sure it still works.

What are the top two technologies used in mobile system displays?

Liquid Crystal Display (LCD) and Light Emitting Diodes (LED).

What is it called when you have two possible systems to boot into?

Dual booting.

Name some external tools that can be used to boot a computer.

USB drives, optical media, solid state boot drives, external hot-swappable drives, network booting, and internet-based booting.

What determines your boot method?

Boot order.

What is the lowest RAM requirement for Windows 10?

1GB for 32-bit versions and 2GB for 64-bit versions.

What is the base RAM requirement for Windows 11?

4GB of RAM.

What is the primary difference between Windows 10 and Windows 11?

The primary difference is aesthetic.

Name some common scripting languages in Windows.

Batch scripts (.bat), Powershell (.ps1), Visual Basic Script (.vbs)

Name some common scripting languages in Linux/Unix environments

Shell scripts (.sh)

Name some scripting languages usable in most OS environments

Javascript (.js), Python (.py)

What’s the difference from an IP address and Mac Address?

An IP points only to a network, and a MAC Address points to a device/ host.

What are the two main materials for network cables?

Copper & Fiber.

What are crossover cables used for?

Connect two computing devices directly to one another.

What are crimpers used for?

Connect wires.

What does a Wifi Analyzer do?

Measures wifi power and stability.

What is a toner probe used for?

Find ethernet and internet connectors.

What is a loopback plug used for?

Tests ports.

What are cable testers used for?

Measure integrity for standards compliance.

What do SYN and ACK do?

Establish a connection before data transfer.

What are the non-routable IP Addresses?

10.0. 0.0/8, 172.16. 0.0/12, 192.168. 0.0/16

What is the range of System Ports?

Ports 1-1023.

What is the range of Ephemeral Ports?

Ports 49152 through 65535

What is the range of User Ports?

Ports 1024 through 49151.

Name the most common Web Servers

Microsoft IIS, Apache, and nginx

What is Point to Point Protocol (PPP) used for?

Transmit data between two directly connected devices.

What does Point to Point Protocol (PPP) encapsulation of data ensure?

Ensure devices can communicate without issue.

What does Point to Point Protocol over Ethernet (PPPoE) encapsulation of data enable?

Enable data to be sent over ethernet connections.

What is an other name for WAN router?

WAN endpoint

What does Software-Defined WAN (SD-WAN) do?

Simplifies how WANs are implemented, managed, and maintained.

What is bandwith throttling?

Controlling network traffic volume during peak use times

What is rate limiting?

Capping maximum data rates/speeds

What frequency bands does WiFi use for sending and receiving data?

Radio and microwave frequency bands

What are the most common IoT data transfer protocol?

HTTP/HTTPS, M2M Communication Protocols, MQTT, CoAP, AMQP, XMPP, DDS.

What is WPA3-Personal intended for?

Individual users and personal/home Wi-Fi networks

What is WPA3-Enterprise intended for?

Business networks with multiple users.

Why do Wi-Fi 6 uses technologies like channel sharing, Target Wake Time, Multi-user MIMO, channel utilization, amplitude modulation, OFDMA, and transmit beamforming?

To increase the quality of a Wi-Fi network

What methods can be used to connect IoT devices to the Internet?

Wired and Wireless

What are some example of IoT wireless network protocols at the physical layer?

Wi-Fi, IEEE 802.15.4, Thread, Z-Wave, Wireless mesh network (WMN), Bluetooth, Near-Field Communication (NFC), Long Range Wide Area Network (LoRaWan)

What protocols allow users to carry IPv6 traffic across an IPv4 network?

Tunneling protocols

Which language does Linux OS use?

Linux uses a “shell” the language of which is BASH

How files and directory permissions are assigned in Windows?

In Windows, files and directory permissions are assigned using access control lists or ACLs

What file contains an installation database, summary information, and data streams for each part of the installation.

.msi file

What's the use of antivirus and anti-malware on web browsers

To evaluate websites and downloads for the presence of malware

When can fragmentation across storage blocks can occur

When files are saved, deleted, or altered on a hard drive

Where devices are located in Linux?

/dev directory

What is Windows File Protection used for?

The Windows OS controls the updates and deletions of system DLL files

What is the use of Socket in TCP/IP model?

a port which a TCP segment has activated to listen for data requests

What is DiskPart?

Is an utility on the Windows operating system which uses the command line to perform disk operations

What the linux Mt command does?

Is a command in linux ,it's most important purpose is connect a physical storage device to a location also called a mount point in the file

What is IT change management?

An IT change management is a standardized process for planning, communicating, and implementing technical changes to information systems.

What is a load balancer

A load balancer monitors and routes network traffic flowing to and from a pool of physical or virtual servers.

What is the linux kernel function?

A personal assistant for the hardware,to relays messages and requests of the users with the internal hardware.