Tech+
What are two examples of mobile operating systems?
iOS, Android
A technician examines an address containing hexadecimal characters and eight groups separated by colons. Which IP version is being used?
IPv6. IPv6 addresses are 128 bits and are represented using hexadecimal.
What is the principle of least privilege?
Give users, applications, and processes only the minimum rights and permissions needed to complete their objectives. This limits the scope of mistakes or malicious behavior.
What is the total number of usable host addresses in a /24 network?
254
What notable astronomer penned the 1980 best-selling book “Cosmos?”
Carl Sagan
A user interface that allows users to interact with a computer through visual elements such as windows, icons, buttons, and menus.
GUI
What are the four layers of the TCP/IP model?
Application, Transport, Internet, and Link/Network Interface.
is an open standard for authentication and authorization. It allows authentication through a third party to obtain access to services.
What is SAML?
Combining multiple smaller networks into a single larger network prefix
Supernetting or route aggregation
“Before He Cheats” is Billboard hit recorded by what former American Idol winner?
Carrie Underwood
How an operating system communicates with hardware devices?
Device Drivers
What is the PDU at the TCP/IP Link layer?
Frame.
Just-in-time access
grants elevated privileges only for a limited time. It avoids permanent administrator rights and reduces the scope of a compromised account.
•Creates subnets of different sizes within the same network
•Enables efficient allocation of IP addresses
•Requires careful planning and management
Variable Length Subnetting
French sculptor Frédéric-Auguste Bartholdi designed what U.S. landmark?
Statue of Liberty
Where might embedded operating systems be found?
Cars, airplanes, smart light bulbs, smart doorbells, smart refrigerators, and other specialized devices.
What might a 169.254.x.x address indicate?
The device was unable to obtain an IPv4 address from DHCP and assigned itself an APIPA address.
What is Data Loss Prevention (DLP)?
DLP identifies and prevents sensitive data, such as Social Security numbers, payment information, or medical records, from being leaked to unauthorized destinations.
Encapsulates IPv6 packets within IPv4 packets to traverse IPv4 networks
Tunneling
How long was the first Thanksgiving?
3 days
What is the 3-2-1 backup rule?
Keep 3 copies of your data, use 2 different types of storage media, and keep 1 backup off-site.
What does dual stack mean?
Running both IPv4 and IPv6 on a device or network.
What are Windows security providers?
Security providers identify the active security technologies, such as antivirus, firewall, and web-protection services.
Renews the client’s DHCPs leased IP address
ipconfig /renew
Which continent covers all four hemispheres of the earth?
Africa