Oracle 1Z0-105 Online Practice Questions and Exam Preparation

Oracle 1Z0-105 Online Questions & Answers

• Question 81:

  Which two mandatory parameters are defined in the cpuset subsystem? (Choose two.)

  A. shares
  B. cpus
  C. mems
  D. memory-migrate
  E. stat
  B. cpus
  C. mems

• Question 82:

  You want to configure networking on a host and have these requirements:

  1.

  A cache only nameserver is to be used.

  2.

  DHCP is used to obtain an IP address.

  3.

  DHCP must not overwrite nameserver details contained in the /etc/resolv.conf file.

  4.

  The nameserver must be activated automatically at system startup.

  5.

  There are two network adaptors, eth0 and eth1.

  The bind package has already been installed and the network service stopped. Which four actions must be performed to implement this requirement?

  A. Add lines with PEERDNS=no and BOOTPROTO=dhcp to the /etc/sysconfig/network- scripts/ifcfg-eth0 file.
  B. Add a line with PEERDNS=no to the /etc/resolv.conf file.
  C. Add a line with nameserver 127.0.0.1 to the /etc/resolv.conf file.
  D. The network and bind services must be started automatically by using chkconfig for those services at the appropriate run levels.
  E. Add lines with PEERDNS=no and BOOTPROTO=dhcp to the /etc/sysconfig/network- scripts/ifcfg-eth1 file.
  F. Start the network service only automatically by using chkconfig for those services at the appropriate run levels.
  G. Start the bind service only automatically by using chkconfig for those services at the appropriate run levels.
  B. Add a line with PEERDNS=no to the /etc/resolv.conf file.
  C. Add a line with nameserver 127.0.0.1 to the /etc/resolv.conf file.
  D. The network and bind services must be started automatically by using chkconfig for those services at the appropriate run levels.
  F. Start the network service only automatically by using chkconfig for those services at the appropriate run levels.

• Question 83:

  Which statement is true about OCFS2's main allocation units?

  A. Cluster size can be changed after creating the file system.
  B. Cluster size must always be greater than the block size.
  C. Cluster size is always greater than or equal to the block size.
  D. Block size can be changed after creating the file system.
  C. Cluster size is always greater than or equal to the block size.

• Question 84:

  You have a btrfs file system:

  

  You have mounted devices:

  

  You have an unmounted mount point for the btrfs file system:

  

  Which option represents the correct order to create subvolume DocumentsSV mounted on the new mount point /Documents?

  1.

  btrfs subvolume create /btrfs/DocumentsSV

  2.

  mkdir /btrfs/DocimentsSV

  3.

  mkdir /Documents

  4.

  mount LABEL=Btrfs /btrfs

  5.

  mount /btrfs/DocumentsSV /Documents/

  6.

  mount LABEL=Btrfs -o subvol-DocumentsSV /Documents

  7.

  btrrfs subvolume create /Documents

  A. 3, 4, 7, 5
  B. 4, 1, 3, 6
  C. 2, 4, 7, 6
  D. 4, 2, 3, 5
  A. 3, 4, 7, 5

• Question 85:

  Your Oracle Linux system is frozen and you want to restart it cleanly by using magic SysRq keys. You were using a gnome desktop before the freeze.

  Examine this list of keys and functions:

  

  Which option represents the SysRq keys in the correct order that must be used to cleanly restart the system?

  A. 4. 6. 2, 3, 7, 5, 1
  B. 4, 2, 6, 3, 7, 1
  C. 4, 6, 8, 2, 3, 7, 5, 1
  D. 4, 8, 6, 2, 3, 7, 5, 1
  E. 4, 2, 6, 3, 5, 1
  E. 4, 2, 6, 3, 5, 1

• Question 86:

  A system has several multipathed devices. Some of them are in use with mounted file systems.

  The remaining multipathed devices are unused.

  The multipath command with the -F option is issued as shown:

  [root@host03 /]# multipath -F

  Which statement is true?

  A. All multipath mapping are flushed, thus removing their mpath mappings. The mounted file system is unusable.
  B. All multipath mapping except those that are in use are flushed, removing their mappings. The mounted file system is unaffected.
  C. Any faulted multipath devices are fixed, causing their faulty paths to be rediscovered if the underlying device is found to be available again. The mounted file system is unaffected.
  D. The command returns a syntax error because an mpath device name must be supplied as the argument to the -F switch.
  A. All multipath mapping are flushed, thus removing their mpath mappings. The mounted file system is unusable.

• Question 87:

  Which three features are included in the btrfs file system? (Choose three.)

  A. general-purpose volume manager
  B. online defragmentation
  C. block devices mirroring
  D. cluster file system
  E. online resizing
  F. transparent compression
  B. online defragmentation
  E. online resizing
  F. transparent compression

• Question 88:

  Which two commands can be used to find the cgroup to which a given process with PID belongs?

  A. cgget -a | grep PID
  B. ps -o cgroup | grep PID
  C. cat /proc/PID/cgroup
  D. lscgroup | grep PID
  B. ps -o cgroup | grep PID
  C. cat /proc/PID/cgroup

• Question 89:

  You construct a new udev rule to name a specific removable device, but the rule does not appear to work. Which command would you use to troubleshoot the new rule?

  A. udevadm trigger
  B. udevadm monitor
  C. udevadm settle
  D. udevadm control
  B. udevadm monitor

• Question 90:

  Which three statements are true about Btrfs copy --reflink?

  A. It works only on the same btrfs file system.
  B. It works only on the same subvolumes.
  C. It creates a new link pointing to an existing inode.
  D. It creates a new inode that shares the same disk blocks as the original.
  E. It creates a clone file and disk blocks are duplicated.
  A. It works only on the same btrfs file system.
  B. It works only on the same subvolumes.
  C. It creates a new link pointing to an existing inode.