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167 Cards in this Set
- Front
- Back
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Squid server can be used to setup a proxy server for client machines T or F? |
True |
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A Web server in Apache is limited to 100 aliases. T or F |
False |
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By default, Apache is configured with no default host and no virtual host. T or F |
False |
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You can choose the IP address and ports on which Apache listens. T or F |
True |
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One of the benefits of using the nginx server is that it USES separate program threads to. T or F |
False |
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The nginx configuration has many of the same features as the Apache web server. T or F |
True |
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You must place all HTML markup on one line. T or F |
False |
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A ____ host makes it possible to run multiple domains on one physical machine. a. virtual b. physical c. logical d. default |
a. virtual |
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After editing Apache configuration files, you must restart the apache2 service with the ____command. a. yast reboot b. apache2 reload c. rcapache reload d. apache2ctl restart |
c. rcapache reload |
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After you have installed Apache, you need to start the ____ service. a. primary b. main c. apache d. apache2 |
d. apache2 |
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After you have started an Apache Web server, you can test it by starting Firefox and entering ____in the address bar. a. http://loopback b. http://localhost c. http://serverhost d. http://apachetest |
b. http://localhost |
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Port ____ is a wellknownport used by the Web server (HTTP). a. 20 b. 80 c. 110 d. 1160 |
b. 80 |
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The Apache software allows for a variety of popular web programming languages through the useof ____. a. encapsulations b. modules c. segments d. boxes |
b. modules |
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The ____ directive tells Apache which filter (allow or deny) should be run first. a. ServerName b. NameVirtualHost c. Order d. ServerAlias |
c. Order |
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The ____ file is the main Web page that’s served by Apache a. home.html b. start.html c. main.html d. index.html |
d. index.html |
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Which default setting for a Web server in Apache defines the URL that users enter to reach yourWeb page? a. Alias b. Servername c. Include |
b. Servername |
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Which markup tags are considered the container holding all your HTML code? a. title and title b. h1and h1 c. body and body d. html and html |
d. html and html |
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With namebasedhosts, multiple Web sites share the same ____ address a. port b. machine c. server d. IP |
d. IP |
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You can configure an Apache Web server manually by editing configuration files in the ____directory. (Debianbaseddistributions) a. /etc/apache2/config b. /etc/apache2/ c. /etc/apache/config d. /etc/apache/files |
b. /etc/apache2/ |
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You can use the ____ directive to define the default file served when a client requests an index of a directory. b. ServerName c. Order d. DirectoryIndex |
d. DirectoryIndex |
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____ is a serversidescripting language, commonly used to create dynamic Web pages. a. Javascript b. Perl c. HTML d. ActiveX |
b. Perl |
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Apache web server support what two types of virtual hosting?(Select TWO) IPBased Publicbased Domainbased Namebased |
IPBased Namebased |
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Select two valid directives in the nginx.conf main configuration file listen DocumentRoot root DocumentIndex |
listen root |
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VOCAB 5/8 Module used for serving Web pages over an HTTPS connection. = a. modssl Directive specifying the location of the error log.=f.ErrorDocument This global configurations file applies to all virtual hosts. (Debianbased) = e. global settings Directive used to associate Apache with IP addresses and ports. = d. Listen The main Apache configuration file. (Red Hatbased =b.apache2.conf Directives define which user and group ID Apache runs=c. User, Group Apache web server settings that define the main configuration and apply whenthe server starts. = h. httpd.conf Directive sets the default folder for the Apache server=g.DocumentRoot |
Terms and answers on front |
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The TCP/IP suite consists of only two protocols: Transmission Control Protocol and InternetProtocol. T or F |
True |
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By default, the ping command sends an Echo Request every second until you press Ctrl+C T or F |
True |
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In an IP address, the subnet mask identifies the network portion of the address. T or F |
True |
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TCP is a connectionless protocol. T or F |
False |
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Linux will check the entries in the /etc/hosts file before using DNS for name lookups T or F |
True |
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A common utility used to troubleshoot routing is the ____ command. route ip traceroute route add |
traceroute |
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A(n) ____ is a unique number that identifies a computer or device on a TCP/IP network a. port number b. port address c. IP address d. tag number |
c. IP address |
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Each octet in an IP address represents a(n) ____ binary number. 4bit 8bit 4byte 8byte |
8 bit |
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IPv6 IP addresses are written using eight 16bit____ numbers. hexadecimal decimal binary octal |
hexadecimal |
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One method of setting up trusted access is to add the host names of computers to the ____ file onthe remote computer. /etc/hosts.trusted /etc/hosts.tr /etc/hosts.eq /etc/hosts.allow |
answer is NOT.eq |
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IPv6 IP addresses are delimited by the ____ character ; : . , |
: |
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The format of an IPv4 address is four numbers separated by ____. a. spaces b. periods c. dashes d. colons |
b. periods |
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Command line tool used to capture raw network traffic. iwlist ping netstat tcpdump |
tcpdump |
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The most important protocol at the Internet layer is ____. a. IP b. ICMP c. TCP d. UDP |
a. IP |
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IPv6 addresses have ____ bits. a. 6 b. 32 c. 128 d. 256 |
c. 128 |
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Command line tool used to scan a target machine netstat nmap lsof ss |
nmap |
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What command is used to configure NICs? a. niconfig b. ifconfig c. ping d. config |
b. ifconfig |
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Which command can be used to configure both IP addressing and default routes? ifconfig ipconfig iwconfig ip |
ifconfig |
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Which ping command option forces the ping command to send a specific number of packets? a. -c n b. -f c. -q d. -wn |
a. -c n |
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Which two commands would be required to fully setup Linux host's network interface forInternet traffic from the 192.168.1.0/24 subnet? (Select TWO) ifconfig eth0 up 192.168.1.67 netmask 255.255.255.0 ifconfig eth0 up 192.168.1.67 255.255.255.0 route add default gw 192.168.1.1 route add default gateway 192.168.1.1 |
ifconfig eth0 up 192.168.1.67 netmask 255.255.255.0 route add default gw 192.168.1.1 Remember netmask and gw |
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Which two Linux OS commands may be used to determine the ip address and subnet mask on aninterface? (Select TWO) ifconfig internet config ipconfigip addr show |
ifconfig ip addr show |
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VOCAB A connectionless protocol that uses IP to get packets from one computer toanother. = h. UDP Operates on port 80=e. HTTP A protocol used to generate IP control messages and track connectivity. = g. ICMP Classic command used to send ICMP messages along a path, tracking eachhop. = i. traceroute Operates on port 23 = c. Telnet A protocol used to map a fully qualified domain name with an IP address. = a. DNS Command used to simulate both a server and a client from the command line. = d. nc Provides realtimeinformation about network performance, combines trace andping. = b.mtr A protocol that handles the delivery of data as packets. = f. IP |
Answers and vocab on front |
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The Linux kernel is stored in the ____ directory / /boot /root /krnl |
/boot |
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The Linux kernel source is stored in the ____ directory. /usr /boot /kernel /usr/src/linux |
/usr/src/linux |
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The ____ option to the ps command displays all processes that do not run on terminals. -f x a -l |
x |
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To see a list of modules that have been inserted into the Linux kernel, you can use the ____command. insmod lsmod modprobe listmod |
lsmod |
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To inserted a module, without dependent modules, into the Linux kernel, you can use the ____command. insmod lsmod modprobe listmod |
insmod |
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To inserted a module easily with dependent modules, into the Linux kernel, you can use the ____command. insmod lsmod modprobe listmod |
modprobe |
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When compiling a kernel, the ____ command provides a menubasedinterface that prompts theuser for information regarding kernel configuration in a questionbyquestionformat. make xconfig make config make menuconfig make gconfig |
make menuconfig |
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Which runlevel gives you access to all services, including the GUI? a. zero b. one c. four d. five |
d. five |
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Which runlevel is typically not used? a. three b. one c. four d. five |
c. four |
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Which runlevel shuts down Linux and powers off the computer? a. zero b. one c. four |
a. zero remember INIT 0 |
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Which of the following is NOT a utility to help with configuring the Linux kernel config oldconfig menuconfig gconfig |
config |
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Ext3 is the traditional filesystem used on Linux. T or F |
False |
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If a device is mounted to a directory that contains files, those files are temporarily unavailable untilthe device is unmounted. T or F |
True |
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In Linux, you must use only one type of filesystem on a system. T or F |
False |
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Linux treats all objects, such as devices and directories, as files T or F |
True |
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Partitions are physical divisions of hard drives. T or F |
False |
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The Linux file system has a hierarchical directory structure. T or F |
True |
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When a device is mounted, it is attached to a certain directory on the directory tree called a(n)mount point. T or F |
True |
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In Linux, all devices are accessed as if they were files. T or F |
True |
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The second partition on the first SCSI hard drive is /dev/hds2. T or F |
False |
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A command that formats swap partitions for use by the Linux system. mkswap swapon swapoff mkfs s |
mkswap |
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File systems can be mounted with the ____ command. a. mkfs b. fdisk c. mount d. fsck |
c. mount |
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What is the simplest way to create a file in Linux? a. Use the touch command. b. Use the new command. c. Use the create command. d. Use the open command. |
a. Use the touch command. |
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If the fsck utility finds a misplaced directory or a file with no inode number, it places thesedirectories and files in the ____ directory, which is created on each partition. a. /corrupt b. /lost+found c. /temp d. /fdsk |
b. /lost+found |
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In Linux, partitions are named according to their ____. a. location b. size c. type d. mount point |
d. mount point |
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The File Allocation Table (FAT) is a disk file system developed by ____. a. Red Hat b. Oracle c. Apple d. Microsoft |
d. Microsoft |
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The NFS file system is accessed with the ____ protocol. a. DFS b. FAT c. networkbased d. Coda |
c. networkbased |
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The ____ device file represents the first primary partition on the second IDE hard disk drive (primaryslave). /dev/hdc1 /dev/hdb1 /dev/hda1 /dev/hdc2 |
/dev/hdb1 |
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The ____ filesystem contains most of the operating system files. boot data mn troot |
root |
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To check a filesystem for errors, you can use the ____ command, which can check filesystems ofmany different types. fcheck fscfscheck fsck |
fsck |
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What happens if you attempt to unmount a file or directory that is open? a. You receive a prompt to “close all files to continue” message. b. You get a“device is busy”error. c.You receive a message indicating the directory will be closed and the unmountwill occur. d. The unmount occurs unconditionally without any warnings or prompts. |
b. You get a“device is busy”error |
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What is the command syntax that almost all Linux commands follow? a. command optionsargument b. command optionsargument c. command argumentsoption d. command argumentsoption |
a. command optionsargument |
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What is the device name assigned to the second IDE/ATA hard drive on your system? /dev/sda /dev/sdb /dev/hda /dev/hdb |
/dev/hdb |
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What is the device name assigned to the second SATA hard drive on your system? /dev/sda /dev/sdb /dev/hda /dev/hdb |
/dev/sdb |
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Which command is used to list file and subdirectories in the Linux directory structure? a. fs b. list c. ls d. lfs |
c. ls |
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Which commandlinetool can create and modify the partition table provided by Linux? a. mkfs b. fdisk c. mount d. fsck |
b. fdisk |
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Which directory doesn’t have a parent directory? a. root (/) b. /bin c. /boot d. /etc |
a. root (/) |
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You use the ____ command to create a Linux file system on a device a. mkfs b. fsck c. mount d. fdisk |
a. mkfs |
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Which of the following would correctly mount the second partition on the second SATA device tothe extras directory inside of /mnt/gentoo? mount /dev/sda2 /mnt/gentoo/extras mount /dev/sdb2 extras mount /dev/sda3 /mnt/gentoo/extras mount /dev/sdb2 /mnt/gentoo/extras |
mount /dev/sdb2 /mnt/gentoo/extras |
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Which of the following file systems does not support journaling? Reiser FS ext2 ext3 XFS |
ext2 |
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Within parted, which command shows the partition table? unit set mklabel print |
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Which commands could you use to format an ext3 file system on the second partition on the firstIDE hard drive on your system? (Select 2) mke3fs /dev/hda2 mkfs -text3 /dev/hda2 mkfs.ext3 /dev/hda2 mkfs.ext2 /dev/sda1 |
mke3fs /dev/hda2 mkfs -text3 /dev/hda2 |
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Which utilities would you use to define new partitions on a hard drive? (Select 2) partdef parted mkfs fdisk |
parted fdisk |
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VOCAB Crossplatformspecification standard primarily for DVDs |
D. UDF |
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Crossplatformfilesystem standard published by the International Organization forStandardization (ISO) for optical media |
B.ISO9660 |
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MemoryBasedlinux filesystem |
F. /proc |
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Developed by Microsoft, often requires additional software for readwriteaccess |
C. ntfs |
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One of the original Linux filesystems. Deprecated. |
A. btrfs |
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Newer, highperformancefilesystem that supports large file and filesystem sizes |
E. ext2 |
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Directory that stores device files. |
D. /dev |
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File on the hard disk representing a device on a Linux system |
E. device file |
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Command used to create modify filesystem parameters. |
C. tune2fs |
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An interactive utility that can be used to modify metadata |
A. debugfs |
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File that contains a list of devices that are currently used on the system and theirmajor numbers. |
B./proc/devices |
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Modifies a filesystem label |
F. e2label |
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Used to show any SMART information on devices that have SMART capability |
G. smartctl |
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Samba is an opensourcetool developed under the GNU General Public License. T or F |
True |
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With NFS, you can mount shared file systems on remote machines T or F |
True |
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When connecting to the vsftpd daemon using an FTP client utility as the user “anonymous”, you willbe placed in the root user’s home directory T or F |
False |
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To access the Samba server from a Windows machine, you must have a Samba user account thatmatches a regular Linux user account. T or F |
True |
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Apache is not the world’s most common Web server. T or F |
False |
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The use of NFS is less common than the use of FTP to transfer files on public networks. T or F |
True |
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SMB is typically used in Linux environments. T or F |
False |
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The Very Secure FTP daemon is a standalonedaemon. T or F |
True |
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Web browsers rarely have a builtinFTP client. T or F |
False |
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The passwd command be used to let NIS clients change their NIS password T or F |
False |
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____ provides a means of sharing files on a Microsoft server. a. RPC b. DHCP c. SMB d. TCP |
c. SMB |
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____ is the Linux OS term for making files appear as though they are on a local machine instead ofon a remote machine. a. Mount b. Mirror c. Map d. Merge |
a. Mount |
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Windows clients access shares through the ____. a. WINS service b. $C directory c. Network window d. active directory |
d. active directory |
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Which share definition parameter in the Samba configuration file prevents users of a service frommodifying files in the service’s directory? a. read only b. valid users c. browseable d. inherit acls |
a. read only |
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Which section of the Samba configuration file is mandatory? a. [printers] b. [shares] c. [homes] d. [global] |
d. [global] |
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The most common LAN protocol used today is ____. UDP/IP IPX/SPX TCP/IP DLC |
TCP/IP |
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Where is the Samba password file, smbpasswd, stored? a. In the [PWD] section of the configuration file. b. In the /usr/share/ file. c. In the /etc/xinetd.d/samba file. d. In the /etc/samba directory |
d. In the /etc/samba directory. |
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What is the default password backend for older versions of Samba? a. sambapw b. smbpasswd c. smbpw d. sampaswd |
b. smbpasswd |
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What does the smbclient Lwindows01 command do? a. It locks the server named windows01 to prevent further modifications. b. It loads the windows01 host into memory. c. It lists available shares on the windows01 host. d. It mounts the windows01 server as a local host |
c. It lists available shares on the windows01 host. |
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The preferred passdb backend introduced in Samba 3.4.0 is ____. a. passsmb b. tdbsam c. passwd d. smbpasswd |
b. tdbsam |
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The ____ ftp utility command uploads the files from the current directory on the local computer tothe current directory on the remote computer, and allows the use of wildcard metacharacters tospecify filenames upload filename mput filename put filename |
mput filename |
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Samba uses the ____ configuration file to provide services. a. /etc/smb/smb.conf b. /etc/xinetd.d/config c. /etc/samba/smb.conf d. /etc/xinetd.d/smb.conf |
answer is NOT a. /etc/smb/smb.conf |
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Samba handles authentication and authorization of users in both Linux and Windows by usingpasswords and ____. a. directories b. shares c. trusts d. domains |
d. domains |
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If you want to share information from a Linux machine to a Windows machine, you use ____. a. Samba b. RPC c. NIS d. DHCP |
a. Samba |
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Computer names are called ____. host IDs network names host names |
host names |
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A standard Samba configuration file is divided into three sections enclosed by ____. a. brackets b. parentheses c. percent signs d. braces |
a. brackets |
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Samba configuration global setting that defines the directory where roamingprofiles are stored |
c.logon path |
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Samba configuration global setting that is used to include one configuration fileinside another. |
a. include |
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Samba configuration global setting that defines how printer status information isinterpreted |
d. printing |
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Samba configuration global setting that specifies whether userdefinedsharescan be accessed by unauthenticated users. |
e.usershareallowguests |
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Samba configuration global setting that specifies what the Samba serverdaemon does with user login requests that don’t match a valid UNIX user insome way. |
b.map toguest |
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BIND provides DNS services via the named daemon by default opperating on both UDP and TCPports 53. T or F |
True |
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The A (address) RR is the most common resource record. T or F |
True |
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The goal of DNS is to centralize administration T or F |
False |
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Centrally controlled ____ DNS servers are known as root DNS servers. a. private b. public c. remote d. local |
answer is NOT private |
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DNS is a distributed and ____ database that allows controlling DNS management locally. a. authoritative b. linear c. hierarchical d. submissive |
c. hierarchical |
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The default timetolive(TTL) value is typically one ____. a. minute b. hour c. day d. 7 days |
d. 7 days |
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Each level of the DNS hierarchy is separated by ____ in the domain name a. forward slashes b. dots c. hyphens d. semicolons |
b. dots |
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The zone file ____ entry specifies how often slave name servers check the serial number to seewhether the zone file has changed a. refresh rate b. negative TTL c. timetolive(TTL) d. expiration entry |
a. refresh rate |
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To start the named daemon (BIND), you use the ____ command a. systemctl start BINDname b. rccheck start c. yast start d. bind start |
answer is NOT bind start |
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What topleveldomain has no real governing body controlling how it is used? a. .gov b. .com c. .org d. .net |
d. .net |
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What topleveldomain is used for the United States? a. .us b. .gov c. .com d. .usa |
a. .us |
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What topleveldomain would the FBI typically use? a. .net b. .gov c. .com d. .org |
b. .gov |
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Which Bind utility command checks the status of the named daemon? a. rcstatus b. rccheck daemon c. rcnamed status d. rccheck status |
c. rcnamed status |
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Which resource record defines the name server in charge of the domain? a. MX RR b. NS RR c. A RR d. PTR RR |
b. NS RR |
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In zone records, this directive is a list of current root name servers. master slave hint stub |
hint |
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Within the forwarder declaration /etc/named.conf file, what symbol represents a commentedline? a. semi colon (;) b. question mark (?) c. pound sign (#) d. dollar sign ($) |
c. pound sign (#) |
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____ is opensourcesoftware containing the DNS protocols needed to resolve hostnames to IPaddresses. a. SOA b. BIND c. DHCP d. PHP |
b. BIND |
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In zone records, this directive indicates this is the zone’s primary name server slave master stub delegation |
master |
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In the following output from a domain called example.com, what address will be returned from an nslookup of www.example.com? $ cat /var/named/example.com.zone;;BIND data file for example.com;;Zone Database Directives;$TTL 604800 ; TTL is 7 days IN SOA serv1.example.com. hostmaster.example.com. (0 ; serial2H ; refresh30M ; retry2W ; expire7D ; minimum);@ IN NS serv1.example.com.serv1 IN A 192.168.64.110;@ IN NS serv2.example.com.serv2 IN A 192.168.64.111;@ IN MX 0 maila.example.com.maila IN A 192.168.64.112;@ IN MX 5 mailb.example.com.mailb IN A 192.168.64.113;LPIC2 IN A 192.168.64.120www IN CNAME LPIC2 192.168.64.110 192.168.64.111 192.168.64.113 192.168.64.120 |
192.168.64.120 - remember LPIC2 for this one |
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In the following output from a domain called example.com, what address is preferred for email? $ cat /var/named/example.com.zone;;BIND data file for example.com;;Zone Database Directives;$TTL 604800 ; TTL is 7 days$ORIGIN example.com.;;Zone Database Resource Records;@ IN SOA serv1.example.com. hostmaster.example.com. (0 ; serial2H ; refresh30M ; retry2W ; expire7D ; minimum);@ IN NS serv1.example.com. @ IN NS serv2.example.com.serv2 IN A 192.168.64.111;@ IN MX 0 maila.example.com.maila IN A 192.168.64.112;@ IN MX 5 mailb.example.com.mailb IN A 192.168.64.113;LPIC2 IN A 192.168.64.120www IN CNAME LPIC2 192.168.64.110 192.168.64.111 192.168.64.112 192.168.64.113 |
192.168.64.112 - remember maila for this one |
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A DNS resolution server that handles requests for ISPs which typically queryexternal name servers like the toplevelDNS servers. |
D.recursive |
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A portion of the Domain Name Space that is administered by one or more DNSservers. |
C. zone |
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A DNS name resolution request whereby an IP address is resolved to a FQDN |
E.reverselookup |
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A server that contains the IP addresses of primary or secondary servers for thepurpose of storing lookups locally |
A. caching |
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A DNS name resolution request whereby a FQDN is resolved to an IP address |
B.forwardlookup |
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An authoritative name server that stores the primary copies of zone records |
e.M aster nameserver |
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Enables you to create an alias for a host |
h. CNAME RR |
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A resource record containing basic information about a zone |
i.Start ofAuthority(SOA) |
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Servers that enable you to forward unresolved queries to an offsite DNS serverand then cache the results on your local DNS server. |
a. Forwarder |
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Identifies mail servers (mail exchangers) for a zone. |
d. MX RR |
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Maintains a copy of the master zone file that’s used as a backup |
f.Slave nameserver |
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Used to resolve a hostname to an IPv4 address for locating a resource |
c. A RR |
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Control the Internet’s topleveldomains (TLDs). |
g.Root DNSservers |
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Used to resolve an IPv4 address to its hostname |
b. PTR RR |
