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NEW QUESTION 65
On a Linux router, packet forwarding for IPv4 has been enabled. After a reboot, the machine no longer forwards IP packets from other hosts. The command:
echo 1 > /proc/sys/net/ipv4/ip_forward
temporarily resolves this issue.
Which one of the following options is the best way to ensure this setting is saved across system restarts?
- A. Add echo 1 > /proc/sys/net/ipv4/ip_forward to the root user login script
- B. In /etc/sysct1.conf change net.ipv4.ip_forward to 1
- C. Add echo 1 > /proc/sys/net/ipv4/ip_forward to any user login script
- D. In /etc/sysconfig/iptables-config add ipv4.ip_forward = 1
- E. In /etc/rc.local add net.ipv4.ip_forward = 1
Answer: B
NEW QUESTION 66
Which of the following authentication mechanisms are supported by Dovecot? (Choose three.)
- A. cram-md5
- B. plain
- C. ldap
- D. krb5
- E. digest-md5
Answer: A,B,E
Explanation:
Explanation/Reference: https://wiki2.dovecot.org/Authentication/Mechanisms
NEW QUESTION 67
Which of the following values can be used in the OpenLDAP attribute olcBackend for any object of the class olcBackendConfig to specify a backend? (Choose three.)
- A. passwd
- B. bdb
- C. text
- D. xml
- E. ldap
Answer: B,C,E
NEW QUESTION 68
When trying to reverse proxy a web server through Nginx, what keyword is missing from the following configuration sample?
- A. forward_to
- B. proxy_reverse
- C. remote_proxy
- D. proxy_pass
- E. reverse_proxy
Answer: D
NEW QUESTION 69
CORRECT TEXT
Which action in a Sieve filter forwards a message to another email address without changing the message? (Specify ONLY the action's name without any parameters.)
Answer:
Explanation:
redirect
NEW QUESTION 70
Which Postfix command can be used to rebuild all of the alias database files with a single invocation and without the need for any command line arguments?
- A. makealiases
- B. postmapbuild
- C. newaliases
- D. postalias
Answer: C
NEW QUESTION 71
What option in the sshd configuration file instructs sshd to permit only specific user names to log in to a system?
(Specify ONLY the option name without any values.)
Answer:
Explanation:
sshd_config
NEW QUESTION 72
CORRECT TEXT
What is the name of the root element of the LDAP tree holding the configuration of an OpenLDAP server that is using directory based configuration? (Specify ONLY the element's name without any additional information.)
Answer:
Explanation:
slapd
NEW QUESTION 73
Which OpenLDAP client command can be used to change the password for an LDAP entry?
(Specify ONLY the command without any path or parameters.)
Answer:
Explanation:
ldappasswd
NEW QUESTION 74
Which of the following information has to be submitted to a certification authority in order to request a web server certificate?
- A. The web server's SSL configuration file.
- B. The web server's private key.
- C. The IP address of the web server.
- D. The certificate signing request.
- E. The list of ciphers supported by the web server.
Answer: D
Explanation:
Explanation/Reference:
Reference: https://help.ubuntu.com/lts/serverguide/certificates-and-security.html.en
NEW QUESTION 75
FILL BLANK
What is the path to the global Postfix configuration file? (Specify the full name of the file, including path.)
Answer:
Explanation:
etc/postfix/main.cf
NEW QUESTION 76
Which of the following services belongs to NFSv4 and does not exist in NFSv3?
- A. rpc.idmapd
- B. nfsd
- C. rpc.statd
- D. rpc.mountd
Answer: A
NEW QUESTION 77
Which of the following commands is used to change user passwords in an OpenLDAP directory?
- A. setent
- B. olppasswd
- C. ldappasswd
- D. ldapchpw
- E. ldpasswd
Answer: C
NEW QUESTION 78
A user requests a "hidden" Sambashare, named confidential, similar to the Windows Administration Share. How can this be configured?
- A.
- B.
- C.
- D.
- E.
Answer: E
NEW QUESTION 79
The following Apache HTTPD configuration has been set up to create a virtual host available at www.example.com and www2.example.com:
Even though Apache HTTPD correctly processed the configuration file, requests to both names are not handled correctly. What should be changed in order to ensure correct operations?
- A. Both virtual host names have to be placed as comma separated values in one ServerNamedeclaration.
- B. Only one Server name declaration may exist, but additional names can be declared in ServerAlias options.
- C. The port mentioned in opening VirtualHosttag has to be appended to the ServerNamedeclaration's values.
- D. Both virtual host names have to be mentioned in the opening VirtualHosttag.
- E. The configuration must be split into two VirtualHostsections since each virtual host may only have one name.
Answer: A
NEW QUESTION 80
What does the samba-tool testparmcommand confirm regarding the Samba configuration?
- A. The Samba services are started automatically when the system boots.
- B. The configuration loads successfully.
- C. The netfilter configuration on the Samba server does not block any access to the services defined in the configuration.
- D. All running Samba processes use the most recent configuration version.
- E. The service operates as expected.
Answer: B
Explanation:
Explanation/Reference:
Reference: https://www.samba.org/samba/docs/current/man-html/testparm.1.html
NEW QUESTION 81
Which Apache HTTPD configuration directive is used to specify the method of authentication, e.g. None or Basic?
- A. AllowedAuthUser
- B. AllowAuth
- C. AuthUser
- D. AuthType
Answer: D
NEW QUESTION 82
In order to protect a directory on an Apache HTTPD web server with a password, this configuration was added to an .htaccess file in the respective directory:
Furthermore, a file /var/www/dir/ .htpasswd was created with the following content:
usera:S3cr3t
Given that all these files were correctly processed by the web server processes, which of the following statements is true about requests to the directory?
- A. The user usera can access the site using the password s3cr3t
- B. Accessing the directory as usera raises HTTP error code 442 (User Not Existent)
- C. The browser prompts the visitor for a username and password but logins for usera do not seem to work
- D. Requests are answered with HTTP error code 500 (Internal Server Error)
- E. The web server delivers the content of the directory without requesting authentication
Answer: A
NEW QUESTION 83
Which option in the Postfix configuration makes Postfix pass email to external destinations to another SMTP-server? (Specify ONLY the option name without any values.)
Answer:
Explanation:
relay server
NEW QUESTION 84
What word is missing from the following excerpt of a named.conf file?
- A. net
- B. networks
- C. group
- D. acl
- E. list
Answer: D
NEW QUESTION 85
Which statements about the Alias and Redirect directives in Apache HTTPD's configuration file are true? (Choose two.)
- A. Redirect works with regular expressions
- B. Alias is handled on the server side
- C. Alias can only reference files under DocumentRoot
- D. Redirect is handled on the client side
- E. Alias is not a valid configuration directive
Answer: B,D
NEW QUESTION 86
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