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1Z0-100 Exam Questions & Answers

Exam Code: 1Z0-100

Exam Name: Oracle Linux 5 and 6 System Administration

Updated:

Q&As: 141

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Practice These Free Questions and Answers to Pass the Operating Systems Exam

Questions 1

Which two conditions should be met in order to successfully configure an openssh client on Oracle Linux?

A. The openssh-server package must not be installed.

B. The openssh package must be installed.

C. The sshd daemon must not be started.

D. The openssh-client package must be installed.

E. The ssh-agent must be started.

F. ssh keys must be generated by any user using the ssh client.

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Questions 2

Which three statements are true concerning the use of the grub menu in Oracle Linux?

A. All changes made using the grub editor at boot time are saved by default to /boot/grub/grub, conf.

B. Additional parameters may be passed to the selected kernel.

C. The initrd directive may not be changed.

D. Existing kernel parameters may be changed.

E. Some of the GRUB command-line functions may be password protected.

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Questions 3

Which four statements correctly describe the contents of the sysfs filesystem?

A. It contains kernel parameter files.

B. It contains metadata on all block devices.

C. It contains metadata on firmware.

D. It contains metadata on all loaded modules in the kernel.

E. It contains metadata on device classes.

F. It contains metadata on system uptime.

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Questions 4

You must remove a Physical Volume (PV) from a Volume Group (VG) containing one Logical Volume (LV) without compromising data availability.

What must you do before using the vgreduce command, to remove the PV?

A. Move allocated physical Extents (PE) from /dev/sdd to other physical volumes using the pvmove command.

B. Remove the /dev/sdd PV using the pvremove command.

C. Resize the /dev/sdd PV to zero using the pvresize command.

D. Move allocated physical Extents (PE) from /dev/sdd to other physical volumes by using the 1vvonvert

-replace command.

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Questions 5

Examine the ssh connection and disconnection shown:

What is checked when the oracle user on the host FAROUT attempts to connect to the oracle user on the host WAYOUT on subsequent occasions? (Choose the best answer.)

A. Hosts FAROUT and WAYOUT swap public host keys and compare them to the keys that were saved locally in the /oracle/.ssh/known_hosts file

B. The ssh client on host FAROUT, compares the public host key supplied by host WAYOUT with the public host key that was saved in the /oracle/.ssh/known_hosts file on server FAROUT

C. The ssh server on host WAYOUT, compares the public host key supplied by host FAROUT with the public host key that was saved in the /oracle/.ssh/authorized_keys file on server WAYOUT

D. The ssh client on host FAROUT, compares the public host key supplied by host WAYOUT with the public host key that was saved in the /oracle/.ssh/authorized_keys file on server FAROUT

E. The ssh server on host WAYOUT, compares the public host key supplied by host FAROUT with the public host key that was saved in the /oracle/.ssh/known_hosts file on server WAYOUT

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