Post-Midterm Material Flashcards
Number Systems, Network/Linux, Markup Language, Databases
128+64?
192
128+64+32?
224
Private Address: Class A
10.0.0.0 - 10.255.255.255
Private Address: Class B
172.16.0.0 - 172.31.255.255
Private Address Class C
192.168.0.0 - 192.168.255.255
IP Address: Class A
0 - 127.255.255.255
IP Address: Class B
128.0.0.0 - 191.255.255.255
IP Address: Class C
192.0.0.0 - 223.255.255.255
IP Address: Class D
224.0.0.0 - 239.255.255.255
IP Address: Class E
240.0.0.0 +
Special Addresses (2)
Loopback: 127.0.0.0
Link Local: 169.254.0.0
Ports (SSH, HTTP, HTTPS)
22, 80, 443 (SSH, HTTP, HTTPS)
Linux command to look up local port assignments?
grep
Command to display gateway information?
route
Two commands for Windows and Linux, to look up DNS?
nslookup (Windows) and whois (Linux)
Command to return complete host name?
hostname
Linux Drive Naming: Hdxn
What does each letter position represent?
H/S - IDE/SATA drive
X - first/second.. drive by letter
n - number of partitions
Command to edit permissions in Linux?
chmod rwx directory/file name
Linux command: list segments?
Ls l
Linux command: remove file?
rm
Linux command: move file?
mv
Linux command: copy file?
cp
Linux command: create a directory?
Mkdir
Linux command: remove empty directory?
rmdir