Which information can IP filtering technologies use to make packet-forwarding decisions?(Select three.)
source IP address
destination IP address
port address
Which option in the Microsoft NOS periodically checks for software patches and upgrades via the Internet?
Windows Update
Which list contains only specific types of DoS attacks
Ping of Death, TCP SYN, Teardrop, and Smurf
Which Red Hat Linux utility allows an administrator to either select DHCP IP configuration, or to specify a static IP address along with the associated netmask, gateway, and primary nameserver?
netconfig
In Linux, what is the first program that takes control of the boot process from the BIOS?
LILO
On a Linux server, which file is usually the best place to locate error messages that have been generated but not displayed on screen?
system log
Which statement is true about the use of passwords in the Linux operating system?
Passwords are case sensitive.
What is the term given to a group of independent computers working together as a single system?
cluster
While booting a Linux server, the booting process stopped and the 'LIL-' error code was displayed. What does this indicate?
The disk descriptor table (/boot/map) is corrupt.
In a Linux system, the set of recent kernel messages is known as the kernel ring buffer. Which command displays these messages?
dmesg
Which command in Linux is useful to help resolve printing problems?
lpq
What is the maximum amount of down time a mission-critical application can have during the course of the year if the application has a 99.999% availability requirement?
5 minutes
The graphic displays output from the dmesg command. Where are the messages coming from?
the kernel
Which TCP/IP utility prints information about network connections, routing tables, and interfaces?
netstat
Which Redundant Array of Inexpensive Disks (RAID) level is also known as disk mirroring?
RAID 1
What is the name of the signal that a network administrator sends to remotely power up a computer that has a NIC with WOL technology capabilities?
magic packet
What is the simplest and most recommended method of creating a custom emergency boot disk for Linux?
Modify one of the existing boot disks.
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