Oracle Oracle Certifications 1Z0-105 Questions & Answers

• Question 31:

  Which three predefined file system types can be used while creating an OCFS2 volume? (Choose three.)

  A. vmstore

  B. documents

  C. datafiles

  D. media

  E. heartbeat

  F. mail

  Correct Answer: ACF

  Reference: http://www.oracle.com/us/technologies/linux/ocfs2-best-practices-2133130.pdf (8)

• Question 32:

  Which statement describes the hardware required to support iSCSI connections?

  A. A combination of generic ethernet and/or dedicated iSCSI hardware ethernet devices can be used to successfully deploy iSCSI.

  B. Either dedicated iSCSI hardware ethernet controller devices or a restricted list of generic ethernet devices (due to limitations of the iSCSI driver) are required.

  C. Specific iSCSI hardware is required to operate iSCSI services in an ethernet environment.

  D. Only generic ethernet devices can be used to establish an iSCSI environment.

  Correct Answer: B

• Question 33:

  Which three situations can result in a kernel panic if the required paramaters are set appropriately? (Choose three.)

  A. panic if disk I/O rate exceeded an administrator-specified limit

  B. panic if a task hangs on disk read for more than an administrator-specified limit

  C. panic when CPU utilization remains at 100% for more than an administrator-specified limit

  D. panic when out of memory

  E. panic if a task hangs on disk write for more than an administrator-specified limit

  F. panic if network I/O rate exceeds an administrator-specified limit.

  Correct Answer: ABC

• Question 34:

  Which statement is true about a Kickstart file that is used for a complete unattended installation?

  A. The command, %packages, and %pre sections are required.

  B. Only the command section is required.

  C. All sections are required.

  D. The command and %packages sections are required.

  E. The command, %packages, %pre, and %post sections are required.

  Correct Answer: D

  Reference: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/ installation_guide/sect-kickstart-howto

• Question 35:

  Examine this OCFS2 configuration and status: Examine these possible steps:

  

  

  Identify the minimum number of steps, in the correct order, to create a local heartbeat OCFS2 file system on the sdb disk and mount it on the existing /shared mount point.

  A. 2, 4

  B. 3, 1, 4

  C. 2, 4, 6

  D. 2, 4, 5

  E. 3, 1, 5, 4

  F. 3, 1, 4, 6

  Correct Answer: F

• Question 36:

  You dynamically configure a system to concurrently run CPU-intensive tasks T1, T2, and T3 using these commands:

  

  Which two statements are true? (Choose two.)

  A. When task T1 is running in cgroup A1, task T2 is running in cgroup A2, and task T3 is running in cgroup A3, the system tries to ensure that equal CPU power is given to tasks T1, T2, and T3 and they share the same CPU.

  B. When task T1 is running in cgroup A3, all configured CPU resources are used and the system ensures that tasks T1 and T3 run on different CPUs.

  C. When task T1 is running outside cgroup A1, A2 and A3 and task T3 is running in cgroup A1, the system prefers task T3 over task T1 while they share the same CPU.

  D. When task T1 is running in cgroup A1 and task T2 is running in cgroup A1, all configured CPU resources are used and the system ensures that equal CPU power is given to tasks T1 and T2 and T3.

  Correct Answer: BD

• Question 37:

  While adding the first Access Control List (ACL) to a file located on an ext3 file system, you receive an error:

  

  Identity the reason for the Operation not supported error.

  A. The file system in question must be mounted, including the acl mount option.

  B. ACLS are not supported when SELinux is enabled.

  C. The ac1 RPM must be installed to enable ACL support.

  D. The user trying to add the ACL is not the file owner.

  E. The setfac1 command shown contains a syntax error.

  F. An ext3 file system does not support ACLs.

  Correct Answer: A

• Question 38:

  You need to remove a number of iSCSI device paths from the client system while the storage server undergoes some planned maintenance. You make sure that your users are logged out and the file systems are unmounted.

  Which command removes existing iSCSI sessions to enable device path removal?

  A. iscsiadm –m host –u

  B. iscsiadm –m discovery -u

  C. iscsiadm –m session –u

  D. iscsiadm –m node –u

  Correct Answer: B

• Question 39:

  Examine the output displayed on a DHCP server:

  

  All addresses in RANGE have been leased and have not yet expired.

  An additional client, other than HOST201, requests a lease on the 192.168.100.0 subnet from the DHCP

  server.

  What is the outcome of the request for this lease?

  A. The request always fails.

  B. The request succeeds if the HOST201 lease is currently not in use.

  C. The request succeeds as long as the HOST201 lease was never used.

  D. The request succeeds if at least one lease in RANGE has been granted to a host that is currently offline.

  Correct Answer: B

• Question 40:

  Examine the output of the command:

  

  Which two statements are true? (Choose two.)

  A. The names in the first column represent cgroup subsystems that are currently attached to any cgroup hierarchy regardless of whether they are mounted or unmounted.

  B. freezer, net, cls, and perf_event are group subsystems and they are attached to unmounted cgroup hierarchies. The second column represents the arbitrary system-assigned cgroup hierarchy number.

  C. spuset, cpu, memory cpuacct, and blkio are cgroup subsystems and they are attached to mounted cgroup hierarchies. The second column represents the mount point of the cgroup hierarchy.

  D. freezer, net_cls, and perf_event are group subsystems and they are attached to mounted cgroup hierarchies. The numbers in the second column represent the number of cgroups in each cgroup hierarchy.

  E. cpuset, cpu, memory, cpuacct, and blkio are cgroup subsystems and they are attached to unmounted cgroup hierarchies. The second column represents the configuration file for the corresponding cgroup hierarchy.

  Correct Answer: AB