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--- informatica:certificaciones:lpic:lpic-2:202_tests_examen [2021/04/29 13:16] – tempwin
+++ informatica:certificaciones:lpic:lpic-2:202_tests_examen [2021/06/28 00:10] (actual) – tempwin
@@ Línea 2077: / Línea 2077: @@
   * discard
   * reject (**Solución**)
+<WRAP center round important 60%>
+Según el manual, la respuesta correcta sería ''fileinto'', ''discard'' y ''reject''
+</WRAP>
 **Which of the following commands can be used to connect and interact with remote TCP network services? (Choose two)**
@@ Línea 2093: / Línea 2097: @@
   * ''qshape'' (**Solución**)
   * ''queuequery''
+<WRAP center round info 60%>
+''qshape'' se incluye con la instalación de Postfix y sirve para ver el tiempo que lleva un correo en una cola determinada.
+</WRAP>
 **Which of the following DNS record types is used for reverse DNS queries?**
@@ Línea 2154: / Línea 2163: @@
   * The LDIF file accepts any type of file encoding. (**Solución**)
   * In the file, a blank line separates one entry from another one.
+<WRAP center round info 60%>
+Normalmente debe estar codificado en UTF-8
+</WRAP>
 **Which of the following types of IPv6 address assignments does DHCPv6 support? (Choose three.)**
@@ Línea 2170: / Línea 2184: @@
   * passwd
   * xml
+<WRAP center round important 60%>
+De acuerdo a la [[https://www.openldap.org/doc/admin24/slapdconf2.html|documentación de la versión 2.4 de OpenLDAP]], la respuesta correcta sería ''ldap'', ''passwd'' y ''bdb'' (aunque este último ya dejó de soportarse)
+</WRAP>
 **Which of these sets of entries does the following command return?**
@@ Línea 2181: / Línea 2201: @@
   * Entries that have a cn of marie or have a telephoneNumber beginning with 9.
   * Entries that have a cn of marie and a telephoneNumber that ending with 9. (**Solución**)
+<WRAP center round important 60%>
+Creo que la respuesta no es correcta. El operador ''|'' funciona como un ''OR'' y ''!'' como una negación, así que lo que parece que se está buscando es un ''cn'' que sea ''marie'' **o** que el objeto tenga un número de teléfono que **no** empiece por 9. Por tanto, la respuesta correcta debería ser la tercera.
+</WRAP>
 **Which of these tools provides DNS information in the following format?**
@@ Línea 2209: / Línea 2234: @@
   * ''name-server''
-**Which rdnc sub command can be used in conjunction with the name of a zone in order to make BIND reread the content of the specific zone file without reloading other zones as well?**
+**Which ''rdnc'' sub command can be used in conjunction with the name of a zone in order to make BIND reread the content of the specific zone file without reloading other zones as well?**
   * ''lookup'' (**Solución**)
@@ Línea 2216: / Línea 2241: @@
   * reload
   * reread
+<WRAP center round important 60%>
+Las soluciones creo que son incorrectas. De hecho, no son comandos de ''rndc''. La respuesta correcta debería ser ''reload zone''.
+</WRAP>
 **Which attitude of an object in LDAP defines which other attributes can be set for the object? (Specify ONLY the attribute name without any values.)**
@@ Línea 2221: / Línea 2251: @@
   * ''class''
-**Which doveadm sub-command displays a list of connections of Dovecot in the following format? (Specify ONLY the command without any parameters.)**
+**Which ''doveadm'' sub-command displays a list of connections of Dovecot in the following format? (Specify ONLY the command without any parameters.)**
   * ''who''
@@ Línea 2236: / Línea 2266: @@
   * ''AllowUsers''
+**¿Se puede comprobar la validez de la configuración de un servidor postfix sin tener que iniciar el servicio?**
+  * Sí, con el comando ''postfix check'' (**Solución**)
+  * Sí, con el comando ''postfix conf''
+  * Sí, con el comando ''postfix check -let''
+  * Sí, con el comando ''postfix check -l''
+**¿Cómo se puede validar la sintaxis de un archivo de configuración Apache sin tener que iniciar el servicio?**
+  * Ejecutando el comando apache con la opción ''-n''
+  * Ejecutando el comando apache con la opción ''-t'' (**Solución**)
+  * Ninguna de las anteriores
+  * Ejecutando el comando apache con la opción ''-nti''
+**De entre todos los comandos de comprobación de resolución DNS, ¿cuál proporciona los resultados más precisos y detallados?**
+  * ''resolv.conf''
+  * ''nice''
+  * ''dig'' (**Solución**)
+  * ''nslookup''
+**¿ En que puerto escucha nuestro servidor DNS?**
+  * 50 UPD
+  * 54 UDP
+  * 53 UDP (**Solución**)
+  * 55 TCP
+**¿Qué archivo contiene una lista de puertos de aplicación estándar?**
+  * ''/etc/services'' (**Solución**)
+  * ''/etc/openvpn''
+  * ''/etc/ssh/sshd_conf''
+  * ''/proc/sys/net/ipv4''
+**¿Qué programa OpenLDAP se ejecuta como el servidor LDAP principal, escuchando las solicitudes del cliente LDAP?**
+  * ''slapindex''
+  * ''slapadd''
+  * ''slurpd''
+  * ''slapd'' (**Solución**)
+**¿El comando ''ldapsearch''?**
+  * Se utiliza para trabajar con samba
+  * Se utiliza para trabajar con SSH
+  * No existe este comando en linux
+  * Comando que permite efectuar peticiones a un directorio LDAP y recuperar el resultado en formato LDIF  (**Solución**)
+**¿En cuál de los siguientes directorios encontrará normalmente los archivos de registro de Samba?**
+  * ''/var/log/samba/'' (**Solución**)
+  * ''/var/lib/samba/''
+  * ''/etc/smb/''
+  * ''/etc/samba/''
+**¿ Cual es el archivo por el que resuelve nuestro dns como cliente en linux?**
+  * ''/etc/resolv-conf''
+  * ''/etc/resolv.conf'' (**Solución**)
+  * Ninguno de los anteriores
+  * ''/etc/resolv,conf''
+**¿Comando para ver la arquitectura de un so de linux?**
+  * ''up''
+  * ''ifconfig''
+  * ''arch'' (**Solución**)
+  * ''uptime''
+**¿Se puede comprobar la validez de un archivo de configuración Samba sin cargar el servicio?**
+  * Con el comando ''smbtest''
+  * No
+  * Con el comando ''exports''
+  * Sí, con el comando ''testparm'' (**Solución**)
+**Where are the Postfix configuration files located?**
+  * ''/etc/postfix'' (**Solución**)
+  * ''/var/spool/postfix''
+  * ''/etc/mail''
+  * ''/var/spool/mail''
+  * ''/var/log''
+**Where do individual users store procmail recipes to apply to their own email messages?**
+  * ''/etc/aliases''
+  * ''/etc/postfix''
+  * ''$HOME/.procmailrc'' (**Solución**)
+  * ''/users/.procmailrc''
+  * ''/etc/procmailrc ''
+**What files does the email administrator use to store recipes to apply to all incoming email messages?**
+  * ''/etc/aliases''
+  * ''$HOME/.procmailrc''
+  * ''/etc/postfix'' (**Solución**)
+  * ''/etc/procmailrc''
+  * ''/users/.procmailrc''
+**What does the following procmail recipe do to incoming email messages?**
+  * The system moves all incoming email messages to the messages directory.
+  * The system rejects all incoming email messages.
+  * The system copies all incoming email messages to the messages directory. (**Solución**)
+  * The system forwards all email messages to an alias account.
+  * The system deletes all incoming email messages.
+**What MDA program is commonly used to forward email messages to local mailboxes?**
+  * Sendmail
+  * Dovecot
+  * Procmail (**Solución**)
+  * Courier
+  * Postfix
+**What configuration setting in Postfix must you change to forward all incoming email messages to procmail?**
+  * ''relayhost''
+  * ''mailbox_command'' (**Solución**)
+  * ''myhost''
+  * ''mydestination''
+**Which mailbox style stores all messages for a user in a single file?**
+  * Courier
+  * Sendmail
+  * Exim
+  * Mbox (**Solución**)
+  * Maildir
+**Which mailbox style uses separate files to store each message for each user?**
+  * Mbox
+  * Exim
+  * Courier
+  * Maildir (**Solución**)
+  * Sendmail
+**Where are the Courier configuration files located?**
+  * ''/var/spool/postfix''
+  * ''/etc/mail''
+  * ''/etc/courier'' (**Solución**)
+  * ''/var/log''
+  * ''/var/spool/mail''
+**What Courier configuration setting determines how many remote clients can connect at the same time?**
+  * ''PORT''
+  * ''MAXPERIP''
+  * ''MAXDAEMONS'' (**Solución**)
+  * ''MAILDIRPATH''
+  * ''ADDRESS''
+**Where does Dovecot store its configuration settings? (Select two.)**
+  * ''dovecot.conf''  (**Solución**)
+  * ''/var/spool/postfix''
+  * ''/var/spool/mail''
+  * ''/etc/postfix''
+  * ''/etc/dovecot'' (**Solución**)
+**What is the name of the main Postfix process?**
+  * pickup
+  * smtp
+  * cleanup
+  * qmgr
+  * master (**Solución**)
+**What Dovecot setting specifies the authentication methods that the server supports?**
+  * ''mechanisms'' (**Solución**)
+  * ''listen''
+  * ''protocols''
+  * ''mail_location''
+  * ''login_max_connections''
+**What is the Postfix configuration file that manages when Postfix processes start and stop?**
+  * ''master.cf'' (**Solución**)
+  * ''main.cf''
+  * ''/var/log/maillog''
+  * ''/var/spool/postfix''
+  * ''install.cf''
+**What is the Postfix configuration file that controls mail processing?**
+  * ''/var/log/maillog''
+  * ''/etc/sendmail.cf''
+  * ''master.cf''
+  * ''/etc/aliases''
+  * ''main.cf'' (**Solución**)
+**What directory does Postfix use for storing email messages as it processes them?**
+  * ''/var/spool/postfix'' (**Solución**)
+  * ''/etc/mail''
+  * ''/etc/postfix''
+  * ''/var/spool/mail''
+**What sendmail emulation command in Postfix allows you to check on the number of mes- sages waiting in the mail queue to be delivered?**
+  * ''master''
+  * ''pickup''
+  * ''smtp''
+  * ''mailq'' (**Solución**)
+  * ''newaliases''
+**Which sendmail emulation command converts the text alias entries into the binary aliases database file?**
+  * ''mailq''
+  * ''newaliases'' (**Solución**)
+  * ''smtp''
+  * ''master''
+  * ''pickup ''
+**What text file does the newaliases command read to create the aliases database?**
+  * ''/etc/postfix/main.cf''
+  * ''/etc/postfix/install.cf''
+  * ''/etc/aliases'' (**Solución**)
+  * ''/etc/postfix/master.cf''
+**What log file does Postfix use to store system messages?**
+  * ''/var/log/messages''
+  * ''/var/spool/mail''
+  * ''/var/log/maillog'' (**Solución**)
+  * ''/var/spool/postfix''
+**The .edu domain is considered which domain type? (Choose the best answer.)**
+  * Root domain
+  * ICANN
+  * Second-level domain
+  * First-level domain
+  * TLD (**Solución**)
+**A logging category directive determines what? (Choose the best answer.)**
+  * How to restart BIND to load logging
+  * Where DNS messages are to be logged
+  * The DNS channel log sizes
+  * The DNS message types to be logged (**Solución**)
+  * How DNS messages are filtered
+**Which of the following are legal zone type directives? (Choose all that apply.)**
+  * root
+  * delegation
+  * master (**Solución**)
+  * secondary
+  * hint  (**Solución**)
+**Which of the following are legal zone statement classes? (Choose all that apply.)**
+  * IN (**Solución**)
+  * DN
+  * IS
+  * CH (**Solución**)
+  * HS (**Solución**)
+**Why might authoritative zone information be copied from the primary name server’s zone databases over to the secondary name server (called a zone transfer)? (Choose all that apply.)**
+  * The secondary server’s BIND daemon was stopped, and its configuration files were removed.
+  * The rndc utility was used on the secondary server, and a manual zone data refresh was requested. (**Solución**)
+  * The secondary server’s BIND daemon has started up. (**Solución**)
+  * The secondary server’s zone data’s refresh time has expired. (**Solución**)
+  * The primary server’s BIND daemon has restarted.
+**The default zone databases are typically stored in which directories? (Choose the two best answers.)**
+  * ''/etc/bind9/'' directory
+  * ''/etc/bind/'' directory (**Solución**)
+  * ''/var/named/'' directory (**Solución**)
+  * ''/etc/named/'' directory
+  * ''/var/bind/'' directory
+**A zone database has resource records of various types. One such record identifies the author- ity zone’s start and includes the zone’s authoritative data. Which one of the following is this resource record type? (Choose the best answer.)**
+  * SOA (**Solución**)
+  * CNAME
+  * A
+  * PTR
+  * NS
+**Which of the following best describes a Reverse Zone? (Choose the best answer.)**
+  * A record used in zone delegation, which provides a child zone’s master name server’s IP address
+  * A Domain Name Space portion, which delineates what a name server has authority over
+  * The process of copying over authoritative zone information to a name server
+  * A special zone that provides a mapping from an IP address to an FQDN (**Solución**)
+  * A zone directive typically located in the named.conf file, which has a type hint setting
+**Which of the following are methods for securing your DNS services? (Choose all that apply.)**
+  * Update your BIND software yearly.
+  * Hide BIND version information. (**Solución**)
+  * Implement a Dual Horizon server. (**Solución**)
+  * Run only BIND services on the server. (**Solución**)
+  * Run the BIND daemon as a non-root user.  (**Solución**)
+**When setting up a chroot jail, the new root directory is typically which directory? (Choose two answers.)**
+  * ''/chroot/named/'' (**Solución**)
+  * ''/chroot/bind/'' (**Solución**)
+  * ''/etc/bind/''
+  * ''/etc/named/''
+  * ''/var/bind/''
+**In the BIND DNSSEC security extension, the encryption key used to digitally sign a particular zone’s resource records is called what? (Choose the best answer.)**
+  * Zone signing key (**Solución**)
+  * DNSKEY
+  * Key signing key
+  * Digital signature
+  * Chain of trust
+**Domain Name Space is broken into different zones. Which of the following could be one of those zones? (Choose all that apply.)**
+  * A root server
+  * A first-level domain and a portion of its subdomains (**Solución**)
+  * The hint zone (**Solución**)
+  * The root zone (**Solución**)
+  * A first-level domain and all of its subdomains  (**Solución**)
+**Which utility is used to create either TSIG or DNSSEC keys? (Choose the best answer.)**
+  * dnssec-tsig-keygen
+  * tsig-keygen
+  * dnssec-signzone
+  * dnssec-dsfromkey
+  * dnssec-keygen (**Solución**)
+**Which of the following server combinations could be the minimum two name servers required for a zone? (Choose all that apply.)**
+  * Secondary server and forwarding server
+  * Primary server and forwarding server (**Solución**)
+  * Primary server and caching server (**Solución**)
+  * Primary server and secondary server (**Solución**)
+  * Secondary server and caching server
+**A program or library routine that creates a DNS query, checks its own cache for the answer, and if it doesn’t find it there, sends the query to another name server, is called what? (Choose the best answer.)**
+  * Cache
+  * Name server
+  * Zone
+  * Name resolution
+  * Resolver  (**Solución**)
+**Which of the following software provides either full or partial DNS protocol implementation? (Choose all that apply.)**
+  * pdnsd (**Solución**)
+  * Bundy (**Solución**)
+  * BIND (**Solución**)
+  * PowerDNS (**Solución**)
+  * dnsmasq
+**The BIND daemon is which program in the /usr/sbin/ directory? (Choose the best answer.)**
+  * bindutils
+  * bind9
+  * bind
+  * named.conf
+  * named  (**Solución**)
+**Which of the following are legitimate groupings (clauses) in the BIND’s primary configura- tion file, named.conf? (Choose all that apply.)**
+  * comments (**Solución**)
+  * named-checkconf
+  * options (**Solución**)
+  * include (**Solución**)
+  * logging  (**Solución**)
+**When setting up a local DNS caching-only server, which directives should be set and or modified in the named.conf file? (Choose all that apply.)**
+  * logging
+  * allow-query (**Solución**)
+  * acl (**Solución**)
+  * recursion yes (**Solución**)
+  * listen-on  (**Solución**)
+**Ignoring distribution differences and assuming you have the appropriate privileges, which of the following commands will stop the BIND service? (Choose all that apply.)**
+  * ''kill -s SIGTERM BIND_PID'' (**Solución**)
+  * ''systemctl stop named'' (**Solución**)
+  * ''rndc stop'' (**Solución**)
+  * ''service bind9 stop'' (**Solución**)
+  * ''rndc flush''
+**What protocol defines how a web server responds to client requests?**
+  * TLS
+  * SSL (**Solución**)
+  * SSL
+  * HTML
+<WRAP center round important 60%>
+Esta solución seguro que está mal
+</WRAP>
+**What directive should you use to allow system users to create their own web folders?**
+  * ''UserDir'' (**Solución**)
+  * ''LoadModule''
+  * ''DocumentRoot''
+  * ''AuthUserFile''
+**In name-based virtual hosting, what directive defines the domain name used?**
+  * ''DocumentRoot''
+  * ''<VirtualHost>''
+  * ''ServerName'' (**Solución**)
+  * ''NameVirtualHost''
+**In IP-based virtual hosting, what directive defines the different IP addresses for the server to listen on?**
+  * ''<VirtualHost>''
+  * ''DocumentRoot''
+  * ''Listen'' (**Solución**)
+  * ''NameVirtualHost''
+**What Apache utility program allows you to create text userid/password files?**
+  * ''apache2''
+  * ''htpasswd'' (**Solución**)
+  * ''httpd''
+  * ''mod_auth''
+**What directive points to the userid/password file that controls access?**
+  * ''AuthName''
+  * ''AuthUserFile'' (**Solución**)
+  * ''Order''
+  * ''AuthType''
+**What dynamic web programming method allows the Apache server to utilize an external program interpreter?**
+  * CGI (**Solución**)
+  * mod_php
+  * mod_auth
+  * mod_perl
+**What directive tells the Apache server to redirect .php files to the PHP server process?**
+  * ''DirectoryIndex''
+  * ''AddHandler'' (**Solución**)
+  * ''LoadModule''
+  * ''DocumentRoot''
+**What directive tells the Apache server the location of the SSL certificate?**
+  * ''SSLEngine''
+  * ''SSLCertificateFile'' (**Solución**)
+  * ''SSLCertificateKeyFile''
+  * ''DirectoryIndex''
+**What does a web proxy server do? (Select two.)**
+  * Restricts what files a server can serve
+  * Redirects requests from one client to multiple servers
+  * Caches web requests from multiple clients (**Solución**)
+  * Restricts what websites clients can access  (**Solución**)
+**What directive does Squid use to define client authentication settings?**
+  * ''auth_param'' (**Solución**)
+  * ''acl''
+  * ''mod_auth''
+  * ''http_access''
+**What standard defines how a client formats the content contained in a web page?**
+  * TLS
+  * HTML (**Solución**)
+  * HTTP
+  * SSL
+**What section in the nginx configuration file defines the basic server settings?**
+  * ''listen''
+  * ''server'' (**Solución**)
+  * ''root''
+  * ''location ''
+**What HTTP server response code indicates that the file requested by the client was not found?**
+  * 200
+  * 404 (**Solución**)
+  * 403
+  * 500
+**What utility allows you to stop the Apache web server gracefully?**
+  * ''apache2ctl'' (**Solución**)
+  * ''httpd''
+  * ''systemctl''
+  * ''apache2''
+**What utility allows you to test an Apache web server configuration before actually starting the server?**
+  * ''httpd''
+  * ''systemctl''
+  * ''apache2ctl'' (**Solución**)
+  * ''apache2''
+**What directive defines the location on the server that will be shared with clients?**
+  * ''ServerRoot''
+  * ''DocumentRoot'' (**Solución**)
+  * ''Listen''
+  * ''DirectoryIndex''
+**What configuration feature allows you to apply directives to specific folders in the filesystem?**
+  * ''<IfDefined>''
+  * ''<IfModule>''
+  * ''<VirtualHost>''
+  * ''<Directory>'' (**Solución**)
+**What configuration directive defines what information appears in the Apache log file?**
+  * ''DocumentRoot''
+  * ''ErrorDocument''
+  * ''ErrorLog''
+  * ''LogFormat'' (**Solución**)
+**Which Apache log file contains information about what web page requests were made by clients?**
+  * ''httpd.conf''
+  * ''error.log''
+  * ''access.log'' (**Solución**)
+  * ''apache2.conf''
+**In which of the following directories would you typically find Samba log files? (Choose the best answer.)**
+  * ''/etc/samba.d/''
+  * ''/etc/samba/''
+  * ''/var/log/samba/'' (**Solución**)
+  * ''/var/lib/samba/''
+  * ''/etc/smb/''
+**Which of the following items might assist you in troubleshooting a problem with a Samba client accessing a Samba share? (Choose all that apply.)**
+  * Turn on logging by setting the log level directive in the smb.conf file to a number higher than 0 but lower than 10. (**Solución**)
+  * Determine if the needed Server daemons are running on the Samba server. (**Solución**)
+  * See what shares are being offered via the ''smbclient -L'' command (with the ''-U'' option and appropriate parameter if needed) on the Samba server. (**Solución**)
+  * Test the Samba configuration syntax with ''testparm''. (**Solución**)
+  * Perform a few basic network diagnostics between the Samba server and client systems.  (**Solución**)
+**The NFS service that manages NFS client mount requests on the NFS server is which of the following? (Choose the best answer.)**
+  * ''mountd'' (**Solución**)
+  * ''statd''
+  * ''portmapper''
+  * ''rpcbind''
+  * ''rpc.lockd''
+**NFS export configuration files are typically located where? (Choose all that apply.)**
+  * ''/var/lib/nfs/''
+  * ''/etc/exports/'' (**Solución**)
+  * ''/etc/exports.d/''
+  * ''/proc/fs/nfs/''
+  * ''/etc/'' (**Solución**)
+**Which of the following are typical NFS share directory locations? (Choose all that apply.)**
+  * ''/proc/''
+  * ''/etc/''
+  * ''/srv/'' (**Solución**)
+  * ''/var/'' (**Solución**)
+  * ''/''
+**Which of the following /etc/exports directives would be important for trying to create a read-only share’s configuration record? (Choose all that apply.)**
+  * ''rw''
+  * ''ro'' (**Solución**)
+  * ''subtree_check''
+  * ''sync''
+  * ''async'' (**Solución**)
+**Which of the following NFS utilities would show NFS share information specifically? (Choose all that apply.)**
+  * ''showmount'' (**Solución**)
+  * ''mount.nfs''
+  * ''exportfs'' (**Solución**)
+  * ''smbstatus''
+  * ''rpcinfo''
+**When using the ''exportfs'' command to display NFS share information on an NFS server, which of the following operands is the most helpful? (Choose the best answer.)**
+  * ''-o''
+  * ''-v'' (**Solución**)
+  * ''-u''
+  * ''-r''
+  * ''-a''
+**Which of the following is software that you may employ to implement an FTP server? (Choose all that apply.)**
+  * pure-ftpd (**Solución**)
+  * ftp
+  * FileZilla
+  * lftp
+  * vsftpd  (**Solución**)
+**Which of the following statements are true about FTP passive mode? (Choose all that apply.)**
+  * The FTP server and FTP client are active in establishing the connections.
+  * Only the FTP client is active in establishing the connections. (**Solución**)
+  * A data connection and a command connection are established. (**Solución**)
+  * The FTP server uses port 20 and port 21 in the established connections.
+  * Only the FTP server is active in establishing the connections.
+**Which usernames are typically used on the FTP server for handling anonymous connections? (Choose all that apply.)**
+  * vsftpd
+  * anon
+  * ftp (**Solución**)
+  * Individual usernames
+  * anonymous (**Solución**)
+**Which of the following Linux daemons may be used in providing Samba services? (Choose all that apply.)**
+  * nmbd (**Solución**)
+  * cupsd (**Solución**)
+  * cifsd
+  * smbd (**Solución**)
+  * winbind
+**Which of the following directives are used in various FTP server daemons to allow anonymous uploads? (Choose all that apply.)**
+  * anon_upload_enable=YES (**Solución**)
+  * AnonymousCantUpload no (**Solución**)
+  * anon_mkdir_write_enable=YES (**Solución**)
+  * anonymous_upload=YES
+  * write_enable=YES (**Solución**)
+**To set up a Samba share, you need to modify the main Samba configuration file. Which of the following is this file? (Choose the best answer.)**
+  * ''/etc/samba.d''
+  * ''smb.conf'' (**Solución**)
+  * ''mount.cifs''
+  * ''samba.conf''
+  * ''smbcontrol''
+**Once you have modified the main Samba configuration file, what should you do next? (Choose the best answer.)**
+  * Test the Samba configuration syntax with ''smbstatus''.
+  * Test the Samba configuration syntax with ''testparm''. (**Solución**)
+  * Reboot the Samba server.
+  * Create a directory or set up a printer queue to share.
+  * Reload the configuration file into the Samba server daemon on the Samba server.
+**For setting up Samba in a mixed environment of Windows and Linux systems, it is essential to set the ________ directive to the Windows workgroup or domain name and not an FQDN. (Choose the best answer.)**
+  * ''adgroup''
+  * ''workgroup'' (**Solución**)
+  * ''workgroup name''
+  * ''domain name''
+  * ''windows group''
+**For the Samba passdb backend directive, which of the following are legal settings? (Choose all that apply.)**
+  * ''smbpasswd'' (**Solución**)
+  * ''ads''
+  * ''tdbsam'' (**Solución**)
+  * ''domain''
+  * ''ldapsam''  (**Solución**)
+**Which section in the ''smb.conf'' file might you find a file share defined? (Choose the best answer.)**
+  * ''[profiles]''
+  * ''[global]''
+  * ''[printers]''
+  * ''[myshare]'' (**Solución**)
+  * ''[netlogins]''
+**Which of the following Samba directives can be used to set whether passwords are required to access this file share service? (Choose the best answer.)**
+  * ''public''(**Solución**)
+  * ''guest only''
+  * ''read only''
+  * ''writable''
+  * ''browseable''
+**Assuming appropriate access is granted, the ______ command allows FTP-style access to a Samba share. (Choose the best answer.)**
+  * ''smbpasswd''
+  * ''rpcclient''
+  * ''smbclient'' (**Solución**)
+  * ''pdbedit''
+  * ''ftp''
+**What does the DHCPd application use for its configuration file?**
+  * ''/etc/dhcpd.d/''
+  * ''/etc/services''
+  * ''isc-dhcp-server''
+  * ''/etc/dhcp/dhcpd.conf'' (**Solución**)
+**Which PAM module provides restrictions on user passwords.**
+  * ''pam_cracklib.so'' (**Solución**)
+  * ''pam_userdb.so''
+  * ''pam_limits.so''
+  * ''pam_unix.so''
+**When using a single configuration file for PAM, where is it located?**
+  * ''/etc/pamd.conf''
+  * ''/etc/pam.d''
+  * ''/etc/pam.conf'' (**Solución**)
+  * ''/etc/pam.d/pam.conf''
+**What folder does PAM use to store multiple application configuration files?**
+  * ''/etc/pam.d'' (**Solución**)
+  * ''/etc/pamd.conf''
+  * ''/etc/pam.conf''
+  * ''/etc/pam.d/pam.conf''
+**Which PAM control entry terminates the application if the authentication fails?**
+  * ''sufficient''
+  * ''required''
+  * ''optional''
+  * ''requisite'' (**Solución**)
+**Which PAM feature type logs authentication attempts to a log file?**
+  * password
+  * account
+  * session (**Solución**)
+  * auth
+**What part of the LDAP database defines a template for a set of attributes that can be assigned to an object?**
+  * The schema
+  * The object class (**Solución**)
+  * The LDAP tree
+  * The object ID
+**What part of the LDAP database defines the information stored for an object?**
+  * Schema
+  * Attributes (**Solución**)
+  * Object class
+  * Object ID
+**What is the unique name assigned to each object in the LDAP database called?**
+  * Attribute
+  * Distinguished name (**Solución**)
+  * Object ID
+  * Object class
+**What OpenLDAP program runs as the main LDAP server, listening for LDAP client requests?**
+  * ''slapd'' (**Solución**)
+  * ''slapadd''
+  * ''slurpd''
+  * ''slapindex''
+**What LDAP server program allows you to add new objects to the LDAP database?**
+  * ''slapadd'' (**Solución**)
+  * ''ldapmodify''
+  * ''slapindex''
+  * ''ldapadd''
+**What DHCPd option setting do you use to define the default router for network clients?**
+  * broadcast-address
+  * smtp-server
+  * range
+  * router  (**Solución**)
+**What LDAP client application allows you to add new objects to the LDAP database?**
+  * ''slapadd'' (**Solución**)
+  * ''slapindex''
+  * ''ldapadd''
+  * ''ldapmodify''
+**What DHCPd configuration option setting do you use to define the pool of IP addresses to assign to network clients?**
+  * broadcast-address
+  * range (**Solución**)
+  * smtp-server
+  * router
+**What file do you use to track IP addresses currently assigned by DHCPd?**
+  * ''/var/lib/dhcp/dhcpd.conf''
+  * ''/var/lib/dhcp/dhcpd.leases'' (**Solución**)
+  * ''/etc/dhcp/dhcpd.leases''
+  * ''/etc/dhcp/dhcpd.conf''
+**What DHCPd configuration setting defines the MAC address of a device so that you can assign it a static IP address?**
+  * range
+  * host-name
+  * fixed-address
+  * hardware (**Solución**)
+**What DHCP configuration feature bundles settings assigned to a specific client?**
+  * fixed-address
+  * host (**Solución**)
+  * range
+  * group
+**What DHCP option number defines the subnet mask assigned to a client?**
+  * 6
+  * 3
+  * 1 (**Solución**)
+  * 5
+**Which PAM module supports using the standard /etc/passwd and /etc/shadow files for authentication?**
+  * pam_ldap.so
+  * pam_userdb.so
+  * pam_sss.so
+  * pam_unix.so  (**Solución**)
+**Which PAM module supports using a network directory to authenticate users?**
+  * ''pam_ldap.so'' (**Solución**)
+  * ''pam_unix.so''
+  * ''pam_userdb.so''
+  * ''pam_access.so''
+**Which application is a network intrusion detection system (NIDS)?**
+  * Snort (**Solución**)
+  * OpenVPN
+  * OpenVAS
+  * OpenSSH
+**Which Snort mode dumps packets to the display for viewing?**
+  * Sniffer mode (**Solución**)
+  * NIDS mode
+  * Command-line mode
+  * Logging mode
+**What does the HOME_NET variable define in the Snort configuration?**
+  * The local addresses to monitor (**Solución**)
+  * The remote addresses to monitor
+  * The address of the local host
+  * The default configuration folder
+**What do you call a vulnerability that allows an attacker to gain access to a system?**
+  * Open port
+  * Open application
+  * Unsecure communication
+  * Attack vector (**Solución**)
+**Which rule address format tells Snort only to look for packets going from the 10.0.0.1 address to the 10.0.0.2 address?**
+  * 10.0.0.1 %%->%% 10.0.0.2 (**Solución**)
+  * 10.0.0.2 %%->%% 10.0.0.1
+  * 10.0.0.1 %%<>%% 10.0.0.2
+  * 10.0.0.1 %%<-%% 10.0.0.2
+**How many private network address ranges does IPv4 support?**
+  * Four
+  * Two
+  * None
+  * Three (**Solución**)
+**What value do IPv6 link local addresses start with?**
+  * fe80 (**Solución**)
+  * ff02
+  * ff05
+  * aabb
+**What system allows you to connect clients on a private network address to outside servers?**
+  * SSH
+  * Telnet
+  * IDS
+  * NAT  (**Solución**)
+**What Linux command do you use to create firewall rules on the system?**
+  * ''netstat''
+  * ''nc''
+  * ''nmap''
+  * ''iptables'' (**Solución**)
+**Which iptables option adds a new rule to a chain?**
+  * ''-L''
+  * ''-A'' (**Solución**)
+  * ''-F''
+  * ''-j''
+**Which iptables policy is used to send a return packet back to the source indicating that the packet was dropped?**
+  * ACCEPT
+  * LOG
+  * REJECT (**Solución**)
+  * DROP
+**What file contains a list of standard application ports?**
+  * ''/etc/services'' (**Solución**)
+  * ''/etc/openvpn''
+  * ''/proc/sys/net/ipv4''
+  * ''/etc/ssh/sshd_conf''
+**Which iptables option defines the default policy for a chain?**
+  * ''-j''
+  * ''-F''
+  * ''-P'' (**Solución**)
+  * ''-L''
+**How can you use the telnet command to detect an open port?**
+  * ''telnet address port'' (**Solución**)
+  * ''telnet address:port''
+  * ''telnet port address''
+  * The telnet command only connects to port 23.
+**Which command can display a list of TCP ports that are listening for incoming connections on a local server?**
+  * ''ssh''
+  * ''netstat'' (**Solución**)
+  * ''iptables''
+  * ''telnet''
+**Which option of the netcat command allows it to scan multiple ports?**
+  * ''-6''
+  * ''-z'' (**Solución**)
+  * ''-l''
+  * ''-v''
+**Which nmap option specifies that it should determine the fingerprint of the remote system?**
+  * ''-sU''
+  * ''-p''
+  * ''-sT''
+  * ''-A'' (**Solución**)
+**What OpenVAS feature allows it to simulate different vulnerability attacks on the system it scans?**
+  * Software Repository
+  * Network Vulnerability Tests (NVT) (**Solución**)
+  * Web interface
+  * National Vulnerability Database (NVD)
+**What type of software can warn you of an active attack on your system?**
+  * Port scanner
+  * Virtual private network (VPN)
+  * Network Vulnerability Test (NVT)
+  * Intrusion detection system (IDS)  (**Solución**)
+**What file contains the fail2ban rules?**
+  * ''pwdfail''
+  * ''fail2ban.conf'' (**Solución**)
+  * ''jail.conf''
+  * ''error.log''