GFACT Exam Review 2025 Questions
and Answers
ASCII - --CORRECT ANSWER--a code for representing English characters as
numbers, with each letter assigned a number from 0 to 127 and can represent up to
256 characters
Unicode - --CORRECT ANSWER--A character code that enables most of the
languages of the world to be symbolized with a special character identification.
UTF-8 - --CORRECT ANSWER--A variable-length coding scheme that uses
seven bits for common ASCII characters, but uses 16-bit Unicode as necessary.
Shadow file - --CORRECT ANSWER--The file that stores the encrypted password
in a system.
SPF - --CORRECT ANSWER--Sender Policy Framework - This framework is an
email validation system that is used to prevent spam and specifies which systems
can send email through a company's mail servers.
SGID - --CORRECT ANSWER--Set Group ID - Sets the group of the running
program to the group of the file. It's indicated by an s in the group execute bit
position in the permission string, as in rwxr-sr-x. New files will inherit the group
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
, ownership of the directory, rather than be based on the user's current default
group.
SUID - --CORRECT ANSWER--Set User ID - Sets the program to run with the
permissions of whoever owns the file rather than with the permissions of the user
who runs the program, allowing it to run with administrators rights even if the
person calling the file is not an admin.
Search for SUID or SGID files - --CORRECT ANSWER--"find / -perm -4000"
for SUID, "-2000" for SGID
IPv4 - --CORRECT ANSWER--Dominant protocol for routing traffic on the
Internet, specifying "to" and "from" addresses using a dotted decimal such as
"122.45.255.0" and is 32-bit
IPv6 - --CORRECT ANSWER--Provides a large number of new addresses to
route Internet traffic, using "from" and "to" addresses written as colon-
hexadecimal notation, such as "fe80::42:acff:feaa:1bf0" and is 128-bit
DNS Records - --CORRECT ANSWER--Instructions in authoritative DNS
servers that given info on the domain, including the IP and how to handle requests
for the domain
A record - --CORRECT ANSWER--Connects domain names to IPv4 addresses,
input of domain name
AAAA record - --CORRECT ANSWER--Connects a domain name to a
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
and Answers
ASCII - --CORRECT ANSWER--a code for representing English characters as
numbers, with each letter assigned a number from 0 to 127 and can represent up to
256 characters
Unicode - --CORRECT ANSWER--A character code that enables most of the
languages of the world to be symbolized with a special character identification.
UTF-8 - --CORRECT ANSWER--A variable-length coding scheme that uses
seven bits for common ASCII characters, but uses 16-bit Unicode as necessary.
Shadow file - --CORRECT ANSWER--The file that stores the encrypted password
in a system.
SPF - --CORRECT ANSWER--Sender Policy Framework - This framework is an
email validation system that is used to prevent spam and specifies which systems
can send email through a company's mail servers.
SGID - --CORRECT ANSWER--Set Group ID - Sets the group of the running
program to the group of the file. It's indicated by an s in the group execute bit
position in the permission string, as in rwxr-sr-x. New files will inherit the group
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
, ownership of the directory, rather than be based on the user's current default
group.
SUID - --CORRECT ANSWER--Set User ID - Sets the program to run with the
permissions of whoever owns the file rather than with the permissions of the user
who runs the program, allowing it to run with administrators rights even if the
person calling the file is not an admin.
Search for SUID or SGID files - --CORRECT ANSWER--"find / -perm -4000"
for SUID, "-2000" for SGID
IPv4 - --CORRECT ANSWER--Dominant protocol for routing traffic on the
Internet, specifying "to" and "from" addresses using a dotted decimal such as
"122.45.255.0" and is 32-bit
IPv6 - --CORRECT ANSWER--Provides a large number of new addresses to
route Internet traffic, using "from" and "to" addresses written as colon-
hexadecimal notation, such as "fe80::42:acff:feaa:1bf0" and is 128-bit
DNS Records - --CORRECT ANSWER--Instructions in authoritative DNS
servers that given info on the domain, including the IP and how to handle requests
for the domain
A record - --CORRECT ANSWER--Connects domain names to IPv4 addresses,
input of domain name
AAAA record - --CORRECT ANSWER--Connects a domain name to a
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
