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最新Lpi认证_117-202题库(45)

2016-1-5编辑:guomu

  1.Which of the following SQL statements will select the fields name and address from the contacts table?

  A.SELECT (name, address) FROM contacts;

  B.SELECT (name address) FROM contacts;

  C.SELECT name, address FROM contacts;

  D.SELECT name address FROM contacts;

  Answer: C

  2.Which of the following find commands will print out a list of suid root files in /usr?

  A.find /usr -uid 0 -perm +4000

  B.find -user root +mode +s /usr

  C.find -type suid -username root -d /usr

  D.find /usr -ls \*s\* -u root

  E.find /usr -suid -perm +4000

  Answer: A

  3.Which command is used to display user resource limits?

  A.uname

  B.limit -a

  C.usrlmt

  D.ulimit

  Answer: D

  4.Which configuration file would you edit to change default options for outbound ssh sessions?

  A./etc/ssh/sshd_config

  B./etc/ssh/ssh

  C./etc/ssh/client

  D./etc/ssh/ssh_config

  E./etc/ssh/ssh_client

  Answer: D

  5.When using ssh, what can you do to recover a lost passphrase for a DSA or RSA authentication key?

  A.Run the ssh-keygen command.

  B.Run the ssh -recover command.

  C.A lost passphrase cannot be recovered.

  D.Decrypt the authentication key with gpg.

  E.Decrypt the authentication key with ssh -decrypt.

  Answer: C

  6.Which file lists which users can execute commands using sudo? (Provide the full path and filename)

  ANSWER: /ETC/SUDOERS

最新Lpi认证_117-202题库(44)
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