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Which storage technology provides high availability by using redundancy across multiple disks?
a. NAS
b. RAID
c. FTP
d. DNS
Answer: b. RAIDitexamanswers+1
What does RAID stand for?
a. Redundant Array of Inexpensive Disks
b. Random Access Integrated Device
c. Reliable Array of Independent Drives
d. Redundant Allocation of Internal Data
Answer: a. Redundant Array of Inexpensive Disksprofessormesser
Which RAID level provides mirroring for fault tolerance?
a. RAID 0
b. RAID 1
c. RAID 2
d. RAID 3
Answer: b. RAID 1professormesser
Which RAID level offers performance improvement but no redundancy?
a. RAID 1
b. RAID 0
c. RAID 5
d. RAID 10
Answer: b. RAID 0professormesser
RAID 5 provides redundancy by using:
a. Data mirroring
b. Parity blocks
c. Hot spare drives
d. Backup tapes
Answer: b. Parity blocksprofessormesser
In RAID 10, data is protected by combining:
a. Striping and mirroring
b. Parity and striping
c. Backup and encryption
d. Compression and cloning
Answer: a. Striping and mirroringprofessormesser
Which component allows load sharing between servers to ensure high availability?
a. RAID controller
b. Load balancer
c. DHCP server
d. DNS resolver
Answer: b. Load balancerprofessormesser
The primary advantage of clustering servers is:
a. Reduced cost
b. Power optimization
c. Application redundancy
d. Software diversity
Answer: c. Application redundancyprofessormesser
Which power component increases storage availability in case of electrical issues?
a. Transformer
b. UPS
c. PDU
d. AVR
Answer: b. UPSprofessormesser
Which system prevents downtime by instantly transferring workload to standby hardware?
a. Backup
b. Failover
c. Snapshot
d. Replication
Answer: b. Failoverprofessormesser
What is the main goal of high availability systems?
a. Increase processing speed
b. Ensure continuous uptime
c. Reduce power usage
d. Simplify network access
Answer: b. Ensure continuous uptimeitexamanswers+1
The concept of eliminating single points of failure is part of:
a. Data confidentiality
b. System resiliency
c. Authentication
d. Authorization
Answer: b. System resiliencyitexamanswers
Which type of redundancy involves two firewalls, switches, and routers for uptime?
a. Software redundancy
b. Hardware redundancy
c. Logical redundancy
d. Network segmentation
Answer: b. Hardware redundancyprofessormesser
What does “five nines” (99.999%) refer to?
a. System performance
b. Availability rate
c. CPU utilization
d. Storage speed
Answer: b. Availability rateitexamanswers
Implementing RAID systems primarily addresses which cybersecurity principle?
a. Integrity
b. Availability
c. Confidentiality
d. Non-repudiation
Answer: b. Availabilityprofessormesser
Which backup method supports business continuity during hardware failure?
a. Manual archiving
b. Offsite tape storage
c. Cloud replication
d. Disk shredding
Answer: c. Cloud replicationprofessormesser
What is the best definition of fault tolerance?
a. Detecting errors after failure
b. Operating continuously despite failure
c. Restoring from backup
d. Preventing viruses from entering the system
Answer: b. Operating continuously despite failureitexamanswers+1
Storage fault tolerance is achieved through:
a. RAID
b. IDS
c. Antivirus
d. DHCP
Answer: a. RAIDprofessormesser
A failover cluster ensures:
a. Seamless application continuity
b. Encrypted file transmission
c. Enhanced throughput
d. Reduced encryption overhead
Answer: a. Seamless application continuityprofessormesser
Which device balances requests across multiple storage nodes?
a. DNS server
b. Proxy
c. Load balancer
d. NAT gateway
Answer: c. Load balancerprofessormesser
N+1 configuration ensures:
a. Minimal latency
b. One redundant unit for failover
c. Backup power supply
d. A single server system
Answer: b. One redundant unit for failoveritexamanswers
Uninterrupted services during maintenance is an example of:
a. Data replication
b. High availability
c. Backup scheduling
d. Data obfuscation
Answer: b. High availabilityitexamanswers
RAID 0+1 is an example of:
a. Layered redundancy
b. Data synchronization
c. Multi-factor encryption
d. Metadata restoration
Answer: a. Layered redundancyprofessormesser
What is the function of the parity disk in RAID 5?
a. Performance boost
b. Redundancy calculation
c. Data compression
d. Temporary cache
Answer: b. Redundancy calculationprofessormesser
Which approach is best to mitigate server downtime risk?
a. Load balancing
b. Data normalization
c. Access control lists
d. File encryption
Answer: a. Load balancingprofessormesser
Which RAID level offers the best balance between performance and redundancy?
a. RAID 0
b. RAID 5
c. RAID 10
d. RAID 2
Answer: b. RAID 5professormesser
The main purpose of redundancy is to:
a. Increase security
b. Eliminate single points of failure
c. Improve encryption quality
d. Lower network overhead
Answer: b. Eliminate single points of failureprofessormesser
The term “hot standby” describes:
a. Manual backup drive
b. Power supply redundancy
c. Immediately ready secondary system
d. Cold storage facility
Answer: c. Immediately ready secondary systemitexamanswers
The system ensuring replication across servers constantly is called:
a. Active-active cluster
b. Active-passive cluster
c. Multiplexed hosting
d. Failback control
Answer: a. Active-active clusterprofessormesser
Which high-availability component verifies server health before accepting traffic?
a. Heartbeat monitor
b. Proxy server
c. Encryption engine
d. Reverse DNS
Answer: a. Heartbeat monitorprofessormesser
“Fault domain isolation” helps achieve:
a. Enhanced encryption
b. Better uptime
c. Faster boot times
d. Greater key strength
Answer: b. Better uptimeprofessormesser
The use of UPS in storage environments supports:
a. Power fault tolerance
b. Data compression
c. Packet inspection
d. Intrusion detection
Answer: a. Power fault toleranceprofessormesser
Which RAID type provides zero redundancy but high speed?
a. RAID 1
b. RAID 0
c. RAID 5
d. RAID 10
Answer: b. RAID 0professormesser
RAID mirroring doubles disk usage as a tradeoff for:
a. Fault tolerance
b. Data hiding
c. Load balancing
d. Performance
Answer: a. Fault toleranceprofessormesser
Combining RAID levels allows:
a. Custom redundancy solutions
b. Static routing
c. Active file inspection
d. Encrypted replication
Answer: a. Custom redundancy solutionsprofessormesser
If redundancy exists but requires manual intervention, the system has:
a. Backup availability
b. Limited high availability
c. Recovery consistency
d. Software fault tolerance
Answer: b. Limited high availabilityprofessormesser
N+N configuration ensures:
a. Parallel redundancy
b. Expanded storage
c. Offsite backup
d. Power surge control
Answer: a. Parallel redundancyitexamanswers+1
Which is a benefit of distributed allocation?
a. Reduced network latency
b. Enhanced resiliency against attacks
c. cheaper networking
d. Simplified routing
Answer: b. Enhanced resiliency against attacksprofessormesser
RAID provides protection primarily against:
a. Disk failures
b. Network outages
c. Malware attacks
d. Data corruption
Answer: a. Disk failuresprofessormesser
In cybersecurity, high availability ensures which CIA triad property?
a. Integrity
b. Availability
c. Confidentiality
d. Authentication
Answer: b. Availabilityitexamanswers+1
A backup generator contributes to:
a. Power redundancy
b. Load distribution
c. Encryption safety
d. Access auditing
Answer: a. Power redundancyprofessormesser
Having multiple data centers in different locations improves:
a. Geographical high availability
b. Encrypted metadata
c. Software virtualization
d. Memory caching
Answer: a. Geographical high availabilityprofessormesser
What is a characteristic of high availability systems?
a. Automated failure recovery
b. Infrequent backups
c. Manual service restart
d. User-driven repair
Answer: a. Automated failure recoveryitexamanswers+1
What is an example of a high availability metric?
a. Uptime percentage
b. Bandwidth rate
c. CPU frequency
d. Encryption key length
Answer: a. Uptime percentageitexamanswers
Virtualization supports storage high availability by:
a. Allowing live migrations
b. Encrypting data
c. Reducing logs
d. Limiting processes
Answer: a. Allowing live migrationsprofessormesser
The use of parity data ensures:
a. Data can be recovered if one drive fails
b. Drives spin faster
c. Encryption keys rotate safely
d. Less storage used
Answer: a. Data can be recovered if one drive failsprofessormesser
Which RAID configuration provides the highest redundancy but more cost?
a. RAID 1
b. RAID 10
c. RAID 5
d. RAID 0
Answer: b. RAID 10professormesser
A fault-tolerant storage network using SAN adds:
a. Redundant paths for data access
b. Wi-Fi repeaters
c. Ethernet VLAN tagging
d. Service logs
Answer: a. Redundant paths for data accesssanfoundry+1
Disk hot-swapping in RAID systems ensures:
a. Continuous uptime during replacement
b. Quicker power cycles
c. Better encryption
d. Faster caching
Answer: a. Continuous uptime during replacementprofessormesser
Overall, storage high availability enhances cybersecurity by ensuring:
a. Data is continually accessible during disruptions
b. Encryption algorithms are faster
c. User authentication becomes stricter
d. Malware cannot execute
Answer: a. Data is continually accessible during disruptionsitexamanswers+1

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