CNAB PREP EXAM SCRIPT 2026
COMPLETE QUESTIONS AND VERIFIED
SOLUTIONS 100% CORRECT
⩥ What is the POP3 port/protocol? What is it used for? Answer: TCP
110
used to retrieve mail from the mail server
⩥ What is /etc/inittab (Unix/Linux) Answer: configuration file for the
SysV Init (unix)
⩥ What is dual stacking? Answer: Loading both IPv4 and IPv6 on
network nodes. Allows a machine to utilize either protocol
⩥ What is 'egrep' (Unix/Linux) Answer: Searches a file or files for lines
that contain strings of a certain pattern
⩥ What is 'netstat' Answer: provides information and statistics about
protocols in use and current TCP/IP network connections
⩥ What does 'netstat -a' do? Answer: Lists all connections and listening
ports
,⩥ What does 'netstat -b' do? Answer: Lists the executable associated
with creating each connection
⩥ What does 'netstat -e' do? Answer: Displays Ethernet statistics
⩥ What does 'netstat -f' do? Answer: Displays fully qualified domain
names (FQDNs) for foreign addresses
⩥ What does 'netstat -n' do? Answer: Displays addresses and port
numbers in numerical form.
⩥ When is the Windows Registry read? Answer: read during: boot,
application startup, user login
⩥ What is NAT? What does it allow for? Answer: network address
translation, connecting multiple computers to the internet using one or
multiple IP addresses
⩥ What does static NAT allow for? Answer: Allows for one to one
translation of local to global addresses
⩥ What is dynamic NAT? Answer: Maps an unregistered IP address to a
registered IP address from a group of registered
IP addresses.
, ⩥ What is PAT? Answer: Port Address Translation (Overloading)
translates multiple local addresses to a single global address by keeping
track of port assignments
⩥ What is Secondary memory/storage? Answer: long-term, non volatile
storage media e.g. hard disk (memory type)
⩥ What is Hardware? Answer: The physical components of a computer.
⩥ What is Software? Answer: the programs and other operating
information used by a computer.
⩥ What is Firmware? Answer: computer software that is installed into
devices such as printers, print servers, and various types of
communication devices
⩥ What is the location of the Windows page file? Answer:
C:\pagefile.sys
⩥ What is a Bit bucket? Answer: a logical place where lost, deleted, or
unavailable data goes
COMPLETE QUESTIONS AND VERIFIED
SOLUTIONS 100% CORRECT
⩥ What is the POP3 port/protocol? What is it used for? Answer: TCP
110
used to retrieve mail from the mail server
⩥ What is /etc/inittab (Unix/Linux) Answer: configuration file for the
SysV Init (unix)
⩥ What is dual stacking? Answer: Loading both IPv4 and IPv6 on
network nodes. Allows a machine to utilize either protocol
⩥ What is 'egrep' (Unix/Linux) Answer: Searches a file or files for lines
that contain strings of a certain pattern
⩥ What is 'netstat' Answer: provides information and statistics about
protocols in use and current TCP/IP network connections
⩥ What does 'netstat -a' do? Answer: Lists all connections and listening
ports
,⩥ What does 'netstat -b' do? Answer: Lists the executable associated
with creating each connection
⩥ What does 'netstat -e' do? Answer: Displays Ethernet statistics
⩥ What does 'netstat -f' do? Answer: Displays fully qualified domain
names (FQDNs) for foreign addresses
⩥ What does 'netstat -n' do? Answer: Displays addresses and port
numbers in numerical form.
⩥ When is the Windows Registry read? Answer: read during: boot,
application startup, user login
⩥ What is NAT? What does it allow for? Answer: network address
translation, connecting multiple computers to the internet using one or
multiple IP addresses
⩥ What does static NAT allow for? Answer: Allows for one to one
translation of local to global addresses
⩥ What is dynamic NAT? Answer: Maps an unregistered IP address to a
registered IP address from a group of registered
IP addresses.
, ⩥ What is PAT? Answer: Port Address Translation (Overloading)
translates multiple local addresses to a single global address by keeping
track of port assignments
⩥ What is Secondary memory/storage? Answer: long-term, non volatile
storage media e.g. hard disk (memory type)
⩥ What is Hardware? Answer: The physical components of a computer.
⩥ What is Software? Answer: the programs and other operating
information used by a computer.
⩥ What is Firmware? Answer: computer software that is installed into
devices such as printers, print servers, and various types of
communication devices
⩥ What is the location of the Windows page file? Answer:
C:\pagefile.sys
⩥ What is a Bit bucket? Answer: a logical place where lost, deleted, or
unavailable data goes
