The above command changes the permission of the directory /home as ____________.
What command would you use to display a list of files that includes file size and permissions on a Linux OS directory?
The router configuration file that is stored in RAM and NVRAM can be analyzed by executing which of the following commands?
An LKM rootkit can be hidden in the ____________ or ____________ directories, making it difficult for a Linux administrator to monitor
This vulnerability can reveal the configuration of a Cisco router by executing commands remotely using a web browser.
____________ is used to compile and execute C, C++, and Fortran code.
If you were to hack into a Linux machine and wanted to steal the password hashes for cracking with a password-cracking program, where would you look for the password hashes?
A packet “mistreating” attack causes which of the following issues on a network? (Select all that apply.)
What single entry should the /etc/securetty file contain to restrict root logins, unless the user is at the physical machine?
Administrators can limit the damages when an attacker successfully gains root user privileges on a Linux system by ____________.
An attacker will try to cover tracks on an IOS router by attempting to ____________. (Select all that apply.)
The ____________ contains a table of available routes and determines the best route for a particular packet to take.
The root user is listed as user ID ____________ in the passwd file.
This Mac OS X worm installs itself as an application hook and deletes the apphook subdirectory of /Library/InputManagers/directory. If it runs as a nonroot user, ~/Library/InputManagers/directory is deleted.
Which configuration mode can an attacker use to change the time on a Cisco router?
Which of the following programs can be used to filter packets and perform Network Address Translation (NAT) on a system running the Linux 2.4 kernel?
A Linux administrator can use ____________ to dump TCP traffic to a command-line screen or to a file for later use.
The ____________ is the most basic component of a Linux operating system.
Which of the following are countermeasures used to protect the Mac OS X? (Select all that apply.)
In a ____________ attack, the attacker injects a single or a few rogue packets into a router.
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