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Pass4itsure Free Micrsoft 70-734 Dumps Exam Questions and Answers:
In a Microsoft Windows file sharing environment, what is a function of system access control lists (SACL)?
A. Determines object access information that needs to be audited
B. Provides information on system access troubleshooting
C. Uniquely identifies objects, users, and user groups
D. Provides path name to access both inbound and outbound traffic
70-734 exam Correct Answer: A
Windows supports two types of ACLs: discretionary access control lists (DACLs) and system access control lists (SACLs). The DACL commonly referred to as the ACL, that determines access control. The SACL determines what accesses need to be audited if auditing is enabled. In addition to these ACLs, Windows also supports the concept of object ownership. The owner of an object has hard-coded rights to that object, and these rights do not need to be explicitly granted in the SACL. The owner, SACL, and DACL are all statically held as attributes of each object. Windows also offers the functionality to inherit permissions, which allows the child objects existing within a parent object to automatically inherit the ACLs of the parent object. ACLs are also applied to directory objects known as security identifiers (SIDs). These are automatically generated by a Windows server or domain when a user or group is created, and they are abstracted from the user. In this way, though a user may identify his login ID as “User1,” it is simply a textual representation of the true SID, which is used by the underlying operating system. Internal processes in Windows refer to an account’s SID rather than the account’s username or group name while granting access to an object. ACLs are set by using the standard Windows Explorer GUI but can also be configured with CLI commands or other third- party tools.
What is an advantage of synchronous remote replication compared to other remote replication methods?
A. Near zero RPO
B. Near zero RTO
C. No distance limitation
D. Faster response time
Correct Answer: A
In synchronous remote replication, writes must be committed to the source and remote replica (or target), prior to acknowledging “write complete” to the host. Additional writes on the source cannot occur until each preceding write has been completed and acknowledged. This ensures that data is identical on the source and replica at all times. Further, writes are transmitted to the remote site exactly in the order in which they are received at the source. Therefore, write ordering is maintained. If a source-site failure occurs, synchronous remote replication provides zero or near-zero recovery-point objective (RPO).
What is an advantage of sub-LUN tiering?
A. Improved performance
B. Enhanced reliability and availability
C. Dynamic expansion of storage capacity
D. Faster provisioning of thin LUNs
70-734 dumps Correct Answer: A
Intra-array Storage Tiering
The process of storage tiering within a storage array is called intra-array storage tiering. It enables the efficient use of SSD, FC, and SATA drives within an array and provides performance and cost optimization. The goal is to keep the SSDs busy by storing the most frequently accessed data on them, while moving out the less frequently accessed data to the SATA drives. Data movements executed between tiers can be performed at the LUN level or at the sub-LUN level. The performance can be further improved by implementing tiered cache. Traditionally, storage tiering is operated at the LUN level that moves an entire LUN from one tier of storage to another. This movement includes both active and inactive data in that LUN. This method does not give effective cost and performance benefits. Today, storage tiering can be implemented at the sub-LUN level. In sub-LUN level tiering, a LUN is broken down into smaller segments and tiered at that level. Movement of data with much finer granularity, for example 8 MB, greatly enhances the value proposition of automated storage tiering. Tiering at the sub-LUN level effectively moves active data to faster drives and less active data to slower drives.
Which fabric service is responsible for managing and distributing Registered State Change Notifications (RSCNs) to attached node ports?
A. Fabric controller
B. Name server
C. Fabric login server
D. Management server
Correct Answer: A
Which SAN security mechanism will prevent a switch port from being enabled even after a switch reboot?
A. Persistent Port Disable
B. Port Binding
C. Port Lockdown
D. Persistent Switch Disable
70-734 pdf Correct Answer: A
Securing FC Switch Ports
Apart from zoning and LUN masking, additional security mechanisms, such as port binding, port lockdown, port lockout, and persistent port disable, can be implemented on switch ports. Port binding: Limits the devices that can attach to a particular switch port and allows only the corresponding switch port to connect to a node for fabric access. Port binding mitigates but does not eliminate WWPN spoofing. Port lockdown and port lockout: Restrict a switch port’s type of initialization. Typical variants of port lockout ensure that the switch port cannot function as an E-Port and cannot be used to create an ISL, such as a rogue switch. Some variants ensure that the port role is restricted to only F- Port, E-Port, or a combination of these. Persistent port disable: Prevents a switch port from being enabled even after a switch reboot.
What does a block map contain in a file system snapshot?
A. Address from which data is to be read when accessing the snapshot
B. Original data when a write is issued to the target for the first time
C. Blocks that have changed since the creation of the snapshot
D. Blocks that have been modified in either the source or the target
Correct Answer: A
File system (FS) snapshot is a pointer-based replica that requires a fraction of the space used by the production FS. It uses the Copy on First Write (CoFW) principle to create snapshots. When a snapshot is created, a bitmap and blockmap are created in the metadata of the Snap FS. The bitmap is used to keep track of blocks that are changed on the production FS after the snap creation. The blockmap is used to indicate the exact address from which the data is to be read when the data is accessed from the Snap FS . Immediately after the creation of the FS Snapshot, all reads from the snapshot are actually served by reading the production FS. In a CoFW mechanism, if a write I/O is issued to the production FS for the first time after the creation of a snapshot, the I/O is held and the original data of production FS corresponding to that location is moved to the Snap FS. Then, the write is allowed to the production FS. The bitmap and blockmap are updated accordingly. Subsequent writes to the same location will not initiate the CoFW activity. To read from the Snap FS, the bitmap is consulted. If the bit is 0, then the read is directed to the production FS. If the bit is 1, then the block address is obtained from the blockmap and the data is read from that address on the snap FS. Read requests from the production FS work as normal.
What describes a full mesh topology?
A. All switches are directly connected to each other
B. Consists of core and edge switch tiers
C. Requires four switches
D. Requires two ISL hops for host to storage traffic
70-734 vce Correct Answer: A
A mesh topology may be one of the two types: full mesh or partial mesh. In a full mesh, every switch is connected to every other switch in the topology . A full mesh topology may be appropriate when the number of switches involved is small. A typical deployment would involve up to four switches or directors, with each of them servicing highly localized host-tostorage traffic. In a full mesh topology, a maximum of one ISL or hop is required for host-tostorage traffic. However, with the increase in the number of switches, the number of switch ports used for ISL also increases. This reduces the available switch ports for node connectivity. In a partial mesh topology, several hops or ISLs may be required for the traffic to reach its destination. Partial mesh offers more scalability than full mesh topology. However, without proper placement of host and storage devices, traffic management in a partial mesh fabric might be complicated and ISLs could become overloaded due to excessive traffic aggregation.
What is a characteristic of pointer-based virtual replication?
A. Replica is immediately available after activation of a replication session
B. Replica device is at least as large as the source device
C. Replica is available only after detachment from the source
D. Source does not need to be healthy for the restore
Correct Answer: A
Pointer-based Virtual Replication
In pointer-based virtual replication, at the time of the replication session activation, the target contains pointers to the location of the data on the source. The target does not contain data at any time. Therefore, the target is known as a virtual replica. Similar to pointer-based full-volume replication, the target is immediately accessible after the replication session activation. This replication method uses CoFW technology and typically recommended when the changes to the source are less than 30%.
When using the image-based backup approach to backup a virtual machine, where does the backup client run?
A. Proxy server
C. Virtual machine
D. Backup device
70-734 exam Correct Answer: A
Image-based backup operates at the hypervisor level and essentially takes a snapshot of the VM. It creates a copy of the guest OS and all the data associated with it (snapshot of VM disk files), including the VM state and application configurations. The backup is saved as a single file called an “image” and this image is mounted on the proxy server (acts as a backup client). The backup software then backs up these image files normally. This effectively offloads the backup processing from the hypervisor and transfers the load on the proxy server, thereby reducing the impact to VMs running on the hypervisor. Image-based backup enables quick restoration of a VM.
Which NAS implementation consolidates file-based and block-based access on a single storage platform?
Correct Answer: A
NAS Implementation – Unified NAS
The unified NAS consolidates NAS-based and SAN-based data access within a unified storage platform and provides a unified management interface for managing both the environments. Unified NAS performs file serving and storing of file data, along with providing access to block- level data. It supports both CIFS and NFS protocols for file access and iSCSI and FC protocols for block level access. Due to consolidation of NAS-based and SAN-based access on a single storage platform, unified NAS reduces an organization’s infrastructure and management costs. A unified NAS contains one or more NAS heads and storage in a single system. NAS heads are connected
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