cnab
prep
/dev
-
✔✔
location
of
files
that
make
device
services
available
to
programs
/etc/group
-
✔✔
supplemental
group
information
is
maintained
/etc/hosts
-
✔✔
map
of
ip
addresses
to
host
names
and
aliases
/etc/inittab
-
✔✔
configuration
file
for
the
sysv
/etc/named.conf
-
✔✔
configuration
file
for
BIND
/etc/nsswitch.conf
-
✔✔
controls
how
hostnames
are
resolved
systemwide
/etc/passwd
-
✔✔
contains
editable
user
account
information
for
each
user
/etc/resolv.conf
-
✔✔
specifies
machines
to
use
for
name
resolution
/etc/shadow
-
✔✔
user
password
and
aging
information
/usr/bin/last
-
✔✔
displays
login/logout
information
about
users
and
terminals
/usr/bin/lastlog
-
✔✔
reports
the
most
recent
logon
of
all
users
or
a
given
user
/usr/bin/who
-
✔✔
lists
relevant
information
for
each
current
system
user
/var/log/messages
-
✔✔
lists
various
system
warning
and
error
messages
1st
authentication
service
exchange
step
-
✔✔
client
sends
a
clear
text
request
to
authenticate
message
to
the
AS
1st
step
of
TGS
exchange
-
✔✔
client
sends
encrypted
TGT,
the
identity
of
requested
service
and
authentication
2nd
authentication
service
exchange
step
-
✔✔
AS
checks
for
user
in
AD,
AS
sends
back
encrypted
SK
and
TGT
Administrative
Distance
-
✔✔
Routers
use
this
value
to
select
the
best
path
when
there
are
two
or
more
paths
to
the
destination,
and
counts
the
reliability
of
a
routing
protocol
advapi32.dll
-
✔✔
Part
of
an
advanced
API
services
library
supporting
numerous
APIs
APIPA
-
✔✔
169.254.0.0/16 100%
ARP
definition
-
✔✔
maps
IP
address
to
MAC
address
ASCII
0-9
-
✔✔
48-57
ASCII
A-Z
-
✔✔
65-90
ASCII
a-z
-
✔✔
97-122
ASCII
del
-
✔✔
127
ASCII
null
-
✔✔
0
ASCII
space
-
✔✔
32
authentication
service
-
✔✔
issues
the
Ticket
Granting
Ticket
(TGT)
which
serves
as
proof
of
authentication
Autonomous
Systems
-
✔✔
A
set
of
Routable
IP
prefixes
that
are
under
a
network
or
collection
of
networks
managed
by
an
entity.
BGP
-
✔✔
...,
Border
Gateway
Protocol,
a
dynamic
routing
protocol.
RFC
1267.
big
endian
-
✔✔
most
significant
byte
first
BIOS
Phase
-
✔✔
Performs
POST
and
executes
the
MBR
Bit
bucket
-
✔✔
a
logical
place
where
lost,
deleted,
or
unavailable
data
goes
bss
-
✔✔
unitialized
and
zero
initialized
global
and
static
variables
CentOS6
boot
-
✔✔
sysV
(upstart)
CentOS7
boot
-
✔✔
systemd
CISC
-
✔✔
several
low-level
operations
in
one
instruction
Class
A
-
✔✔
0-127,
255.0.0.0,
CIDR:
8
Class
A
reserved
-
✔✔
10.0.0.0/8
Class
B
-
✔✔
128-191,
255.255.0.0,
CIDR:
16
Class
B
reserved
-
✔✔
172.16.0.0/12
Class
C
-
✔✔
192-223,
255.255.255.0,
CIDR:
32