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Exam LX0-104: CompTIA Linux+

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Exam LX0-104: CompTIA Linux+

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1. What are the steps which must be followed to enable serverwide zone transfers between two BIND 9 servers securely using TSIG?

Generate a key, specify the public key in the named configuration on both servers, create a server statement in the named configuration on both servers.Generate a key, specify the private key in the named configuration on both servers, create a server statement in the named configuration on both servers.Generate a key, specify the private key in the named configuration on one server and the public key in the named configuration on the other, create a server statement in the named configuration on both servers.Generate a key, specify the private key in the named configuration on one server and the public key in the named configuration on the other, create a remote statement in the named configuration on both servers.

2. Which GPG command will publish a public key to a public key server?

gpg exportkeys UIDgpg publishkeys UIDgpg sendkeys UIDgpg pushkeys UID

3. What does cachesize 1000000 represent in the slapd.conf file?

The minimum cache size in Bytes.The size of the cache in bits.The size of the cache in Bytes.The number of entries to be cached.

4. Where are user specific crontabs stored?

In the .crontab file in the user's home directory.A. individual per-user files within /var/spool/cron.In the database file /etc/crontab.db which is shared by all users.A. individual per-user files in /etc/cron.user.d.

5. You have replaced inetd with xinetd.What must be done after installing to ensure that your machine will work correctly?

You must run xinetd-configure first.You must create a new configuration file for xinetd.You don't have to do anything because they are compatible.You must add a symbolic link from inetd.conf to xinetd.conf.

6. Which of the following are valid ntop deployment scenarios? (Select THREE.)

A rule which can be written in the Perl programming language.A simple object.A loadable snort module.A snort overflow.

7. The ____ command, included with OpenLDAP, will generate password hashes suitable for use in slapd.conf. (Enter the command with no options or parameters.) Answer: SLAPPASSWD What settings may a user enter when configuring Microsoft Outlook to connect to an LDAP white pages service? (Select THREE.)"

make /var/lib/openldap-data/slapindex ldapsearch -b subslapd -r +20

8. Which command CANNOT be used to mount a shared filesystem in your Linux environment?

mount.cifs //server/share /mnt -o user=usermount -t smbfs //server/share /mnt -o username=usercifsmount //server/share /mnt -o username=usermount -t cifs //server/share /mnt -o user=user

9. Which of the following is NOT and valid scan technique with nmap?

WindowRSTSYNACK

10. What is the purpose of a screen reader?

It reads the parameters of the attached monitors and creates an appropriate X11 configuration.It reads text displayed on the screen to blind or visually impaired people.It displays lines and markers to help people use speed reading techniques.It manages and displays files that contain e-books.

11. Which command is used to add an empty group to the system? (Specify ONLY the command without any path or parameters.) Answer: groupadd, /usr/sbin/groupadd Which configuration file would be edited to change default options for the OpenSSH server?"

/etc/ssh/sshd_config/etc/ssh/ssh/etc/ssh/server/etc/ssh/ssh_config

12. Which of the following lines would an administrator find in the file /etc/nsswitch.conf?

domain mycompany.com192.168.168.4 dns-serverhosts: files dns order hosts,bind

13. When using ssh, which of the following can an administrator do to recover a lost passphrase for a DSA or RSA authentication key?

Run the ssh --recover command.Run the ssh-keygen command.A lost passphrase cannot be recovered.Decrypt the authentication key with gpg.

14. In an xinetd configuration file, which attribute specifies the network address that will be used to provide the service? Answer: bind, interface Which of the following words is used to restrict the records that are returned from a SELECT SQL query based on a supplied criteria for the values in the records?"

IFFROMWHERECASE

15. Which of the following may occur as a consequence of using the command ifconfig? (Select THREE.)

env -aecho $ENVset env

16. On a new Linux system, the root user is being asked to provide the root user password before being able to use the su command. What line in the /etc/pam.d/su file will allow root to use su without supplying passwords?

auth required pam_norootpw.soauth sufficient pam_norootpw.soauth sufficient pam_rootok.soauth required pam_rootok.so

17. To prevent a specific user from scheduling tasks with at, which of the following should the administrator do?

Add the specific user to [deny] section in the /etc/atd.conf file.Add the specific user to /etc/at.deny file.Add the specific user to /etc/at.allow file.Add the specific user to nojobs group.

18. A French user has installed the French language pack, but currencies are still being displayed with a leading '$' sign in spreadsheets. Which of the following must be done to fix this?

Reinstall the French language pack.Set the timezone correctly.Alter the locale.Edit /etc/currency.

19. B. default, when verifying a signed file or a file with a detached signature, which keyring is used to search for public keys?

~/.gnupg/trustdb.gpg~/.gnupg/secring.gpg~/.gnupg/pubring.gpg~/.gnupg/trustedkeys.gpg

20. What operating system tools can be used to collect capacity planning data? (Select TWO correct)

disk I/Omemorynetwork I/OCPU

21. What output will the following command produce? seq 1 5 20

10021201

22. What of the following can be done by the command ifconfig? (Select TWO.)

netstattraceroute digping

23. For accessibility assistance, which of the following programs is an on-screen keyboard?

GOKatkb xkbxOSK

24. Which option should be used to disable anonymous binds to your LDAP directory?

disallow bind_simple_unprotecteddisallow bind_anon_cred disallow bind_anondisallow bind_simple

25. Which of the following are common Net::LDAP methods? (Select THREE.)

0821

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