main power failure.A standby UPS provides only enough power for an orderly shutdown of the devices.114 Which of the following are valid reasons why online Uninterruptible Power Supplies (UPSs) are more expensive than standby UPSs?Online UPSs enable devices to run longer when a main power failure occurs.Online UPSs enable devices to run continuously when a main power failure occurs.Online UPSs are managed devices that can generate alerts.Online UPSs provide greater protection against power spikes and sags.
115 Which of the following are equivalent terms for the process of combining the bandwidth of two or more network adapters to increase the overall speed of the connection and provide fault tolerance? (Choose all that apply.)BondingLink aggregationClusteringPort aggregationNIC teaming
116 A network load balancing cluster is made up of multiple computers that function as a single entity. Which of the following terms is used to describe an individual computer in a load balancing cluster?NodeHostServerBox
117 Which of the following is an element of high availability systems that enables them to automatically detect problems and react to them?BackupsSnapshotsFailoverCold sites
118 Which of the following RAID levels does not provide fault tolerance?RAID 0RAID 1RAID 5RAID 10
119 Which of the following networking concepts frequently use virtual Internet Protocol (IP) addresses to provide high availability? (Choose all that apply.)ClusteringLoad balancingNetwork Address Translation (NAT)Network Interface Card (NIC) teaming
120 Which of the following disaster recovery mechanisms can be made operational in the least amount of time?A cold siteA warm siteA hot siteAll of the options are the same.
121 Which of the following datacenter disaster recovery mechanisms is the least expensive to implement?A cold siteA warm siteA hot siteA cloud site
122 Which of the following terms defines how long it will take to restore a server from backups if a complete system failure occurs?RPORTOBCPMIB
123 In a disaster recovery scenario, which of the following terms applies to devices that are not repairable?MTBFMTTFMTTRMDT
124 If you have a server with dual power supplies, both of which are connected to a single Uninterruptible Power Supply (UPS), with a building power circuit connected to a backup generator, which of the following failures can the server survive and keep running indefinitely? (Choose all that apply.)Failure of one server power supplyFailure of the UPSFailure of the building power circuitFailure of the building backup generator
125 Which of the following is the primary function of an Uninterruptible Power Supply (UPS) during a two-hour building power failure.To keep servers running until building power is restoredTo keep servers running until they can be powered down safelyTo keep servers from being damaged by power spikesTo keep servers running in the event of a computer power supply failure
126 If you have a server with dual power supplies, one of which is plugged into a single Uninterruptible Power Supply (UPS) and the other into a wall socket with a surge protector, and the building's power circuit is connected to a backup generator, which of the following failures can the server survive and keep running indefinitely? (Choose all that apply.)Failure of one server power supplyFailure of the UPSFailure of the building power circuitFailure of the building backup generator
127 If you have a server with dual power supplies, each of which is connected to a separate Uninterruptible Power Supply (UPS), with each UPS connected to a separate building power circuit connected to a backup generator, which of the following failures can the server survive and keep running indefinitely? (Choose all that apply.)Failure of one server power supplyFailure of one UPSFailure of one building power circuitFailure of the building backup generator
128 Which of the following is the criterion most commonly used to filter files for backup jobs?FilenameFile extensionFile attributesFile size
129 Which of the following disaster recovery mechanisms is the least expensive to implement?A cold siteA warm siteA hot siteAll of the options cost the same.
130 Which of the following statements about port aggregation is not true?All of the aggregated ports use the same MAC address.Port aggregation can be a fault tolerance mechanism.Aggregating ports increases network throughput.Port aggregation provides load balancing
131 Which of the following can be provided by clustering servers?Fault toleranceLoad balancingFailoverAll of the above
132 When you configure NIC teaming on a server with two network adapters in an active/passive configuration, which of the following services is provided?Load balancingFault toleranceServer clusteringTraffic shaping
133 Which of the following is not a load balancing mechanism?NIC teamingServer clusteringDNS round-robinRAID 1
134 Which of the following best describes the difference between cold, warm, and hot backup sites?Whether the backup site is owned, borrowed, or rentedThe age of the most recent backup stored at the siteThe cost of the hardware used at the siteThe time needed to get the site up and running
135 Which of the following specifications would you most want to examine when comparing hard disk models for your new Redundant Array of Independent Disks (RAID) array?MTBFSLAAUPMTTR
136 Which of the following RAID levels provides fault tolerance with the smallest amount of usable disk space? (Choose all that apply.)RAID 0RAID 1RAID 5RAID 10
137 Disk mirroring and disk duplexing are both fault tolerance mechanisms for hard disk data storage. Which of the following statements about disk mirroring and disk duplexing is true?Disk mirroring enables a server to survive the failure of a disk drive.Disk duplexing enables a server to survive the failure of a disk controller.Disk mirroring enables a server to survive a failure of a disk drive or a disk controller.Disk duplexing enables a server to survive a failure of a disk drive or a disk controller.
138 You are installing a new Windows server with two hard disk drives in it, and you want to use RAID to create a fault-tolerant storage system. Which of the following RAID levels can you configure the server to use?RAID 0RAID 1RAID 5RAID 10
139 Which of the following RAID levels provide fault tolerance without using parity data? (Choose all that apply.)RAID 0RAID 1RAID 5RAID 10
140 Which of the following backup job types does not reset the archive bits of the files it backs up?FullIncrementalDifferentialSupplemental
141 What are the three elements in the Grandfather-Father-Son media rotation system for network backups?Hard disk drives, optical drives, and magnetic tape drivesIncremental, differential, and full backup jobsMonthly, weekly, and daily backup jobsQIC, DAT, and DLT tape drives
142 Which of the following types of backup jobs are supported by the Windows Server Backup program? (Choose all that apply.)IncrementalDifferentialFullSupplemental
143 Which of the following is a term for a read-only copy of a data set made at a specific moment in time?SnapshotIncrementalHot siteDifferential
144 Which of the following storage techniques prevents version skew from occurring during a system backup?IncrementalsDifferentialsIterationsSnapshots
145 If you back up your network by performing a full backup every Wednesday at 6:00 p.m. and incremental backups in the evening of the other days of the week, how many jobs would be needed to completely restore a computer with a hard drive that failed on a Monday at noon?OneTwoFiveSix
146 How does an autochanger increase the overall storage capacity of a backup solution?By compressing data before it is stored on the mediumBy automatically inserting
