1Z0-878 試験問題を無料オンラインアクセス

Which two commands switch the environment of the current user fred to the role special? (Choose two.)

• A.usermod -R special
• B.role special
• C.usermod -R special fred
• D.role -s special fred
• E.su -special
• F.su special

You run an IT department and are responsible for purchasing hardware within a given budget. You are aware that 70 gigabytes of data housed in a series of traditional disk slices is becoming critical to the business.
You decide to mirror the data, but have concerns about write performance. You can purchase the disk space to mirror the data.
What configuration enhancement will achieve the best write performance?

• A.arranging for the mirror to consist of just two disks
• B.using RAID 5 to hold the data in each half of the mirror
• C.striping the data across the disks in each half of the mirror
• D.concatenating the data across the disks in each half of the mirror

Which two commands list all the authorizations assigned to user john? (Choose two.)

• A.su john -c auths
• B.grep -w john /etc/user_attr
• C.grep -w john /etc/security/auth_attr
• D.auths john
• E.grep john /etc/security/auth_attr

A system administrator found the following message in the /var/adm/messages file: Jan 26 14:44:29 host genunix: [ID 936769 kern.notice] pm0 is /pseudo/pm@0 Which statement is true?

• A.The message was created by the logger command:
  logger -t genunix -p kern.notice "[ID 936769 kern.notice] pm0 is /pseudo/pm@0".
• B.The message was logged by the kernel.
• C.The message was created by the logger command:
  logger "genunix: [ID 936769 kern.notice] pm0 is /pseudo/pm@0".
• D.The message was created by the logger command: logger -t genunix -p kern.notice "pm0 is /pseudo/pm@0".

Given these entries in /etc/nsswitch.conf:
ipnodes: files [NOTFOUND=return]
hosts: nis [NOTFOUND=return] files
When the NIS service is functioning, what happens if a host name is looked up? (Choose three.)

• A.If an entry does NOT exist in the NIS database, the lookup always fails.
• B.If an entry exists in the NIS database, the lookup always succeeds.
• C.If an entry does NOT exist in /etc/inet/hosts, the lookup always fails.
• D.If an entry does NOT exist in either NIS or /etc/inet/ipnodes, the lookup always fails.
• E.If an entry exists in /etc/inet/ipnodes, the lookup always succeeds.
• F.If an entry exists in /etc/inet/hosts, the lookup always succeeds.