Answer:
Because reusing the old passwords possess security threats.
Explanation:
A password can be defined as a string of characters or words or phrases that are used to authenticate the identity of the user. It is also known as passcode and should be kept confidential. A password is used to access constricted systems, applications, etc.
A password or passcode is usually composed of alphabets, numbers, symbols, characters, alphanumeric, or a combination of these.
<u>In the given case, Judy was not able to change her passcode to the previous one because reusing old passwords is prohibited in any sites or systems. A system denies the user to reuse the old passwords for various reasons but most importantly due to security reasons. Though it is said that old passwords can be used after 100 times but seldom someone changes a password that much. All systems care for the security of their users thus they deny reusing old passcodes.</u>
Answer:
Sedimentary Rocks
Explanation:
Sedimentary rocks are essentially the Frankenstein monsters of the rock world. They're made up of pieces of igneous and metamorphic rocks, sand, clay, and other sedimentary rocks.
Answer:
Command remembering issues.
Explanation:
The biggest challenge my company will face when working on Linux is remembering issues of the commands. The commands in Linux are a bit difficult to remember as they are complicated bit but practice can solve this issue. "Practice makes a man perfect" this well known saying suggests that practice can make perfect and this well known saying also works with Linux the more practice the employees do the more perfect they get.
192.168 suggests class C networks which have a 24 bit netmask (255.255.255.0) but you haven't provided enough info, like the netmask of a working machine, to be definite.
Advntage:
provides CPU scheduling, memory management, file management, and other operating system functions through system calls. The other one is that it is a single large process running entirely in a single address space.
Disadvantage: if anyone service fails it leads to an entire system failure