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| The IP layer of the OSI model is layer __ |
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| A layer 2 broadcast address for the network 192.168.1.0 is ___ |
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| The kernel routing table can be modiefied with the ____ command. |
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| A GUI version of tcpdump is ___ |
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| In IPv6 the address 1::3412:0:12 can be expanded to_________________ |
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| 0001:0000:0000:0000:0000:3423:0000:0012 |
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| What value does teh `uname -r` command return? |
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| What command returns info about interfaces? |
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| In Fedora what variable must be set to dhcp to enable dhcp? |
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| In the routing table, what is the Metric |
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What does the following command do?
$ echo "1" > ifcfg |
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Definition
| overwrites a 1 to the ifcfg file |
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| The linux firewall in version 2.6 is____ |
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| Which command list all the firewall rules |
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| To forward packets from one int to another, the /proc/sys/net/ipv4/ip_forward must contain ______ |
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| Which protocol requires two simultaneous connections? |
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This command does what?
iptables -A INPUT -m --state ESTABLISHED,RELATED -j accept |
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Definition
| accepts packets back from a connection that has already been set up |
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Term
Which of the following will set the SetUUID bit?
4755
2755
1644
s644 |
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| If the SetUID bit is set, what will ls -l show? |
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Definition
rwxrws-rw-
(* I tested this, and it actually came back different)
-rwxr-Sr-- 1 rygjones rygjones 0 2011-05-05 10:54 GUID.sh
-rwsr--r-- 1 rygjones rygjones 0 2011-05-05 10:54 SUID.sh
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| Fedora, what is the normal runlevel? |
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| Non human accounts are referred to as? |
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| Which command will show me what limits are placed on the max file size? |
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| The system call that forms a jail for a given process is ____ |
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| The command to list dependencies of a process is |
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| To view the amount of space being used in a partition, use what command? |
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| Well known ports are ports below |
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| The tool for tracking network connections is _____ |
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| Which two processes are "super-servers" |
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| When using logrotate, usually the oldest log file is sent to _____ |
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| Checking log files with a program that can look for errors is called |
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Which of the following is an IDS?
snort
nmap
wireshark
mrtg |
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Which of the following is used to monitor BW and present usage in graphs?
- wirehsark
- nmap
- syslog
- mrtg
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if i run netstat and get the following line, what does it tell me? tcp 0 0 192.168.1.4:22 192.168.1.1:2129 ESTABLISHED |
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Definition
there is an established session .4 requested via port 22, .1 was listening on port 22, responded with an ephemeral port 2129
TCP
0 = Recieved
0 = Send
.4:22 = Local Address - port request made on
.1:2129 = Foreign Address replied on port 2129
ESTABLISHED = established session |
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