GFACT Exam Review UPDATED ACTUAL
Exam Questions and CORRECT 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 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
IPv6 address, input of domain name
CNAME record - CORRECT ANSWER - Used to redirect traffic from one domain or
subdomain to another
PTR record - CORRECT ANSWER - Connects IP address to domain names, input of IP
address
NS record - CORRECT ANSWER - Records list of authoritative DNS name servers for a
domain.
MX record - CORRECT ANSWER - Provides domain names of mail servers that receive
emails, directing mail to an email server
SOA record - CORRECT ANSWER - Start of Authority record. This record identifies the
primary name server
Exam Questions and CORRECT 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 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
IPv6 address, input of domain name
CNAME record - CORRECT ANSWER - Used to redirect traffic from one domain or
subdomain to another
PTR record - CORRECT ANSWER - Connects IP address to domain names, input of IP
address
NS record - CORRECT ANSWER - Records list of authoritative DNS name servers for a
domain.
MX record - CORRECT ANSWER - Provides domain names of mail servers that receive
emails, directing mail to an email server
SOA record - CORRECT ANSWER - Start of Authority record. This record identifies the
primary name server
