Examine the two commands and the output produced: [root@host03 ~]# iscsiadm –m session iscsiadm: No active sessions. [root@host03 ~]# iscsiadm –m node 192.0.2.1:3260,1 iqn.2013-03.com.example.mypc:3 192.0.2.1:3260,1 iqn.2013-03.com.example.mypc:2 192.0.2.1:3260,1 iqn.2013-03.com.example.mypc:1
Which option represents the correct command or commands to establish iSCSI sessions with the target portal 192.0.2.1:3260?
A. iscsiadm –m session -1
B. iscsiadm –m node -1
C. iscsiadm –m discovery –t st –p 192.0.2.1 iscsiadm –m session -1
D. iscsiadm –m discovery –t st –p 192.0.2.1 iscsiadm –m host -1
Identify the minimum required steps to configure an NIS master.
1.
Ensure that the yptools, ypbind, and ypserv RPMs are installed.
2.
Configure and set the NIS domain name.
3.
Start the ypserv service.
4.
Start the ypxfrd service.
5.
Start the yppasswdd service
6.
Run ypinit -m
7.
Start the ypbind service
A. 1, 2, 3, 6
B. 1, 2 , 3, 6, 7
C. 1, 2, 3, 4, 6, 7
D. 1, 2, 3, 4, 5, 6, 7
E. 1, 2, 3, 4, 5, 6
Which three types of output may be obtained from commands from the crash utility in Oracle Linux?
A. kernel data structures
B. information about all open and closed files
C. kernel symbol names
D. information about all mounted and unmounted file systems
E. a list of tasks on the sleep queue
F. a list of tasks on the stopped queue
Which statement is true about btrfs file system devices?
A. You must execute the btrfs device scan after every reboot to add a device to a btrfs file system.
B. The btrfs device scan -all-devices command scans physical devices looking for members of a btrfs volume.
C. Blocks are automatically rebalanced across all existing devices after adding new devices.
D. A device may be added to btrfs only if the file system is unmounted.
What statement describes the iSCSI client system's iSCSI database?
A. The client maintains a text formatted file, /etc/iscsi/iscsi.db.
B. The client can use either a local database in the form of a Berkeley DB formatted file in /etc/iscsi or a distributed database in the form of Internet Storage Naming Service (iSNS) as its database. It is a decision for the System and Storage Administration team.
C. The client maintains a local database in the form of a directory tree structure in /var/lib/iscsi.
D. The client maintains a local database in the form of a directory tree structure in /etc/iscsi/db.
Which three statements are true about an OpenLDAP server?
A. /etc/openldap.conf is the main configuration file for the LDAP server.
B. LDAP entries are stored in a flat namespace.
C. It can be used to store users and groups.
D. In can be used to store hostnames and their IP addresses.
E. It can replicate entries synchronously to another OpenLDAP server.
Which two statements are true about building binary RPMs using rpmbuild?
A. Building a source RPM always produces exactly one binary RPM.
B. Using customer-complied binary RPMs is not supported by Oracle.
C. Only the ROOT user can create binary RPMs.
D. Only the ROOT user can install source RPMs.
E. A binary RPM for a given hardware platform can be built on another hardware platform.
F. Building a binary RPM will always generate a new source RPM.
Examine the dtrace command.
dtrace -n `proc:::exec {trace(execname);trace(pid);trace(stringof(arg0));}'
Which two statements are true?
A. The trace(execname) action causes the called program name to be printed.
B. The trace(pid) action causes the calling program's process to be printed
C. The trace(stringof(arg0)) action causes the called program's first argument to be printed.
D. The probe name is exec.
E. The probe function is not specified.
Examine the contents of the /etc/ocfs2/cluster.conf file: node: name = exam2 cluster = mycluster number = 0 ip_address = 192.168.56.106 ip_port = 7777
node: name = exam3 cluster = mycluster number = 1 ip_address = 192.168.56.107 ip_port = 7777 clustr: name = mycluster heartbeat_mode = local node_count = 2
Identify the minimum number of commands issued, in the correct order, to create this file.
1.
o2cb add-cluster --heartbeat_mode local mycluster
2.
o2cb add-node --ip 192.168.56.107 --number 1 mycluster exam3
3.
o2cb add-cluster mycluster
4.
o2cb add-node --ip 192.168.56.106 -- number 0 mycluster exam2
5.
o0cb config-cluster -node_count 2 mycluster
6.
o2cb configure
A. 3, 4, 2
B. 6, 4, 2, 3
C. 6, 4, 2, 5, 3
D. 6, 1, 4, 2
E. 1, 4, 2
F. 1, 4, 2, 5
Consider the features of virtualization modes. Which three statements are correct?
A. With full virtualization (FV), all aspects of a guest OS are virtualized. The guest OS running on a virtual machine (VM) can run unmodified.
B. With paravirtualization (PV), the paravirtualized guests run a modified version of the guest OS, which communicates with the hypervisor by using hypercalls.
C. PV takes advantage of the virtualization hardware extensions offered by the physical server. These hardware extensions are required to run paravirtualized VMs.
D. Xen is a type-2 hypervisor that allows guests to run either as fully paravirtualized (PV guests) or as hardware virtualized (HVM guests), with or without paravirtualized drivers.
E. The Oracle Linux Unbreakable Enterprise Kernel (UEK) is a PVOPS kernel that contains all paravirtualized drivers and can determine whether the underlying system supports FV or PV operations.
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