Which of the following files will be looked for and used by GNU make, if one of them exists, unless a different file is specified on the command line when trying to compile software from source code? ...

The following is an excerpt from the output of tcpdump -nli eth1 'udp': 13:03:17.277327 IP 192.168.123.5.1065 > 192.168.5.112.53: 43653+ A? lpi.org. (25) 13:03:17.598624 IP 192.168.5.112.53 > 192....

What should be done after updating the configuration file for syslogd in order to make the changes become effective? (Choose TWO correct answers.) A. No action is required, syslogd will notice the ...

Which of the following wireless tools can be used to check the wireless network link quality? (Choose TWO correct answers.) A. iwconfig B. iwlink C. iwscan D. iwifi E. iw

The users of the local network complain that name resolution is not fast enough. Enter the command, without the path or any options, that shows the time taken to resolve a DNS query.

The following is an excerpt from the output of tcpdump -nli eth1: 13:03:17.277327 IP 192.168.123.5.1065 > 192.168.5.112.21: Flags [.], ack 1 (truncated) 13:03:17.598624 IP 192.168.5.112.21 > 192.1...

Which /etc/hosts.allow entries will permit access to sshd for users from the 192.168.1.0/24 subnet? (Choose TWO correct answers.) A. sshd : 192.168.1. B. sshd : 192.168.1 C. sshd : 192.168.1.0 ne...

Running tcpdump -nli eth1 'tcp' shows the following output: 14:41:53.694538 IP 10.1.52.145.51738 > 24.215.7.162.143: Flags [.], ack 33051, win 1002, options [nop,nop,TS val 36789130 ecr 1746004159...

Which of the following filter keywords for tcpdump specify the transfer direction for network packets? (Choose TWO correct answers.) A. source B. src C. dest D. src or dst E. both

Under which of the following circumstances would the command ping output the string (DUP!)? A. When the ICMP packets are send to a broadcast address and multiple hosts respond. B. When the host be...