Networking and IT

What is the reason of thermal paste?

• Fill micro gap to increase the contact surface

• To make the CPU cooler

• Clean the surface of the CPU to avoid any technical issue

What is DHCP?

• Server for distributing dynamic IP addresses

• Server for forwarding IP address

• Dynamic Host Configuration Protocol

• Dynamic Host Computer Protocol

Are dynamic IPs fixed for a specific PC?

• Yes always be that same IP address

• Yes but sometimes the OS reset the IP

• No, it changes every start-up

• No, it has a lease (time-out)

What is NGINX

• Webserver

• Programming Language

• Framework

• API

What does Hyper-Threading Do?

• The OS perceive that the Logical core was double of the Physical Core

• More Core, More Thread

• Scheduling tasks for each doubled core to increase PC performance

• Help to remove any free time (time that a core doesn't do anything)

What is CMOS?

• Saved Configuration of BIOS

• Battery For Motherboard

• Configuration of Motherboard for Operating System

• Complementary Metal Oxide Semiconductor

What is the relationship between BIOS and UEFI?

• UEFI is the next version of BIOS

• BIOS is for booting, UEFI is for configuration

• UEFI is the next generation of booting system (Before is BIOS)

• BIOS is Basic Input Output System and UEFI is Unified Extensible Firmware Interface

Can you use power cable to connect to the Internet?

• Yes

• Yes but it needs Powerline Adapter

• It needs both the device and the router or the modem to connect to Powerline Adapters

A dual-band router has a 2.4GHz band and a 5GHz band. Devices connect on the two bands get the benefit of?

• Faster Speed

• More Privacy

• The 2 bands won't interfere so the network traffic would be easier

• It allows more devices to connect to the network

• The 2 bands will increase speed ưhen connecting to big sites like Facebook, Youtube,...

WPA2 is?

• Next version of WPA

• Most used Wi-fi security

• Uses TKIP Encryption