Which of the following commands lists IPv4 addresses and MAC addresses of network nodes that the
local system has seen on its directly connected IP networks?
A
Which of the following commands shows capabilities and usable frequencies for the wireless
interface wlan0?
A
On a Linux node with multiple active networks interfaces, each having a default route to the Internet,
which default route is preferred?
E
Which of the following commands adds a static IPv6 address to the network interface eth0?
D
Which of the filter keywords below could be used in the following command:
tcpdump i eth0 ____________ 203.0.113.8 (Choose three.)
A, C, D
Which of the following configuration files are used by tcpwrapper?
C
A web application server contains 64GB of RAM and two swap partitions on normal hard disk drives,
each with a size of 64 GB. Within the last month, the average number of user sessions on this server
has grown by 20 percent. At the same time, the average usage of RAM increased from 65 to 75
percent, while the swap space is almost not used at all. It is expected that the number of user
sessions will continue to increase by about 15 to 20 percent each month. Which of the following
reactions would be appropriate in response to these observations? (Choose two.)
C, E
In order to gather performance data with sar over a longer period of time, which command should
be run periodically from cron?
A
Which of the following properties should be recorded in order to monitor the quality of a network
link? (Choose two.)
A, C
In the output of sar –b, what does tps stand for?
C