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What types of disk arrays provide the MOST fault tolerance?
RAID 6 provides the most fault tolerance of any standard RAID disk arrays (RAID 0, 1 , 5, 6, and RAID 10). If any two disks in a RAID 6 array fail and are removed, then two new blank disks can be installed and no data has been lost. RAID 1+1 or most other "layered" RAID systems can provide more fault tolerance than RAID 6, tolerating the failure of any 3 disks. Some experimental non-standard disk arrays can provide more fault tolerance with less overhead, such as the parchive system. Nearly all distributed file systems and distributed version control systems can be set up so that if one machine is completely destroyed by fire, all the data can be recovered from a backup machine in another building.
Why should expansion loops be incorporated into a system?
In a pipeline system, expansion loops, which may actually be ahorseshoe or w-shape besides a loop, provide a tolerance for the pipe when it experiences a thermal expansion or contraction.
What is a hydro-foam wall construction method?
Hydro-foam wall construction is a building technique that utilizes a combination of foam insulation and concrete to create energy-efficient, durable walls. This method typically involves pouring a lightweight foam concrete mix into forms, which results in walls that provide excellent thermal insulation and moisture resistance. The hydro-foam approach is valued for its sustainability, as it can reduce energy costs and minimize environmental impact. Additionally, it allows for faster construction times compared to traditional methods.
What functions do each of the components provide for scaffolding?
All the components work together to provide structural strength when tight.
How long will a 6.0 Amp hour battery provide 500MA of current for?
6Ah will provide 500 milliamphours for 12 hours.
To provide fault tolerance active directory utilize uses what replication model?
Multimaster
Does Microsoft provide any data replication tools for download?
The answer to this question is simply, yes data replication tools can be downloaded. The official Microsoft website has a specific download directory where you can download almost all things MIcrosoft.
Does RAID 0 provide fault tolerance?
RAID 0 does not provide any fault tolerance.
Domain controller replication for 2008 server?
Replication and configuration setsActive Directory Lightweight Directory Services (AD LDS) uses replication to provide fault tolerance and load balancing for directory services. AD LDS uses a type of replication called multimaster replication. Through replication, AD LDS copies directory data updates that are made to a directory partition on one AD LDS instance to other AD LDS instances that hold copies of the same directory partition. AD LDS instances that hold copies of the same directory partition or partitions form a logical grouping called a configuration set.Multimaster replicationMultimaster replication simply means that you can make changes to directory data on any AD LDS instance. AD LDS replicates these changes to other members of the configuration set automatically. Multimaster replication is characterized by loose data consistency with convergence. When you make changes to data on a given directory partition at one AD LDS instance, replicas of that directory partition that are stored on other AD LDS instances become inconsistent with the most up-to-date replica of the directory partition (the partition where the changes were made). However, as changes get replicated through the configuration set, all partition replicas once again become identical; that is, they converge to the most recent data.Configuration setsAD LDS instances replicate data based on participation in a configuration set. All AD LDS instances that are joined to the same configuration set must replicate a common configuration directory partition and a common schema directory partition. AD LDS instances in a configuration set can also replicate any number of application directory partitions. AD LDS instances in a configuration set are not required to replicate all application directory partitions in the configuration set. A single AD LDS instance can replicate all-or any subset of-the application directory partitions in its configuration set. An AD LDS instance cannot, however, replicate an application directory partition from a different configuration set.Preventing replication conflictsWhat if two different users make changes to the same data on replicas of the same directory partition on two different AD LDS instances? In this case, each AD LDS instance attempts to replicate the changes, creating a conflict. To resolve this conflict, replication partners that receive these conflicting changes examine the attribute data that is contained in the changes, each of which holds a version and a time stamp. AD LDS instances accept the change with the higher version and discard the other change. If the versions are identical, AD LDS instances accept the change with the more recent time stamp.If two or more values in a multivalued attribute on an object are updated simultaneously on two different AD LDS instances, only one of the updated values will be replicated. In other words, simultaneous updates to a multivalued attribute that occur on two different AD LDS instances are considered to be in conflict, even if the updates apply to different values within the multivalued attribute. The only exception to this rule is for linked-value attributes (such as group memberships), which do allow for simultaneous updates to different values within the linked-value attribute.Replication topologyKnowledge Consistency Checker (KCC), a process that runs as part of each AD LDS instance, automatically constructs the most efficient topology for replication traffic to follow based on the network. The KCC regularly recalculates the replication topology to adjust for any network changes that occur in the environment.An AD LDS configuration set maintains its own replication topology, separate from any Active Directory Domain Services (AD DS) replication topology that might also exist. Directory partitions cannot be replicated between AD LDS instances and AD DS domain controllers.Ensuring replication securityTo ensure replication security, AD LDS authenticates replication partners before replication, and replication authentication always occurs over a secure channel. AD LDS uses Security Support Provider Interface (SSPI) to establish the appropriate authentication security level between replication partners. The method that is used for replication authentication within a configuration set depends on the value of the msDS-ReplAuthenticationModeattribute on the configuration directory partition. After replication partners have successfully authenticated, all replication traffic between the two partners is encrypted.The following table describes the security levels for replication authentication and the corresponding msDS-ReplAuthenticationMode attribute value for each security level. The default replication security level for a new, unique AD LDS instance is 1, unless a local workstation user account is specified as the AD LDS service account. If a local workstation account is specified as the AD LDS service account, the replication security level is set to 0To help maintain AD LDS replication security, the following best practices are recommended:Use the highest level of replication security that your environment can support.In AD DS environments, run AD LDS on member servers, rather than on domain controllers, whenever possible.If you run AD LDS on a domain controller in an AD DS environment, do not use the Network Service account as the AD LDS service account. Instead, use a domain user account that does not have administrative privileges.In workgroup and Windows NT 4.0 environments, do not use an account with administrative privileges as an AD LDS service account.Use separate configuration sets for applications with strict isolation requirements
Examples of product that using home replication strategy?
When is and what reason is Home replication strategy used. provide a firm that uses home replication strategy.
What is the purpose of a dfs replication?
The purpose of a DFS Replication is the distribution of shared files. Servers that work together to provide this service are called replication partners.
Why is it common practice to implement more than one domain controller per domain?
to provide fault tolerance
Which version of raid is supported by windows xp does this raid version provide fault tolerance?
Windows XP supports spanned and striped RAID 0 volumes Hardware RAID is considered a better solution for fault tolerance than software RAID RAID 0 does not provide fault tolerance
What is the combining of network cards to provide fault tolerance?
Teaming
Is the combining of network cards to provide fault tolerance?
Teaming
What can be used to provide fault-tolerance to a system?
RAID storage can be used to provide fault-tolerance to a system. With RAID, data is stored redundantly on a set of disks to mitigate against failure of a disk.
What sets of information can an LDAP data interchange format file provide?
Information about a directory entry, Information about a set of changes to a directory entry
