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What is the primary objective of live failover in server technology?
a. Increasing storage
b. Ensuring continuous service availability
c. Reducing energy consumption
d. Speeding up backups
Answer: b. Ensuring continuous service availabilitygeeksforgeeks+1
Which type of redundancy automatically redirects requests when a server fails?
a. Manual switch-over
b. Air-gapping
c. Live failover
d. Offline mirroring
Answer: c. Live failoverliquidweb+1
What mechanism is most commonly used for live failover in IP networks?
a. Static routing
b. IP failover
c. DNS caching
d. SNMP monitoring
Answer: b. IP failoverovhcloud+1
Which cluster type is specifically designed for seamless, automatic transfer of workloads after a node failure?
a. Load balanced cluster
b. Failover cluster
c. Archive cluster
d. Workgroup
Answer: b. Failover clustersanfoundry+1
What is the purpose of a floating or virtual IP in redundancy?
a. Increases bandwidth
b. Minimizes downtime during failover
c. Encrypts traffic
d. Distributes DNS records
Answer: b. Minimizes downtime during failoverovhcloud
Which process is required to detect failures and trigger a live failover?
a. Server reformat
b. Automated monitoring
c. Static IP assignment
d. Data compression
Answer: b. Automated monitoringgeeksforgeeks+1
What ensures that data is not lost during a failover event?
a. Manual backups
b. Data replication
c. Packet filtering
d. VLANs
Answer: b. Data replicationliquidweb+1
Which redundancy mode uses two servers, one active and one passive, for failover?
a. N+1
b. Load balancing
c. Hot standby
d. Clustered caching
Answer: c. Hot standbyquiz-maker
In high-availability architectures, what is the function of a quorum mechanism?
a. Monitor server temperatures
b. Maintain cluster consistency
c. Track application versions
d. Encrypt cluster data
Answer: b. Maintain cluster consistencysanfoundry
Which non-persistent network protocol can quickly redirect IPs to a backup server in a failover?
a. BGP
b. ARP
c. SMTP
d. FTP
Answer: b. ARPovhcloud
What is the key benefit of active-active redundancy in live failover?
a. Lower power draw
b. Both servers handle load simultaneously
c. Only one server is used
d. No monitoring is needed
Answer: b. Both servers handle load simultaneouslygeeksforgeeks
Which of the following is NOT a direct benefit of server failover?
a. Preventing hardware failures
b. Minimizing downtime
c. Maintaining business continuity
d. Limiting data loss
Answer: a. Preventing hardware failuresliquidweb
In which scenario is live failover most crucial?
a. Scheduled maintenance
b. Sudden hardware failure
c. Routine reporting
d. Weekly backups
Answer: b. Sudden hardware failuregeeksforgeeks+1
What must be synchronized between primary and secondary servers for effective failover?
a. Network switches
b. Local time
c. Data and configurations
d. Keyboard layouts
Answer: c. Data and configurationsliquidweb+1
Which method allows both redundant servers to share the same address pool for failover?
a. Split-horizon
b. DHCP failover
c. BGP route reflection
d. WAN acceleration
Answer: b. DHCP failoverquiz-maker
What is the main role of load balancing in a failover system?
a. Increasing CPU speed
b. Protecting data from tampering
c. Distributing requests between servers
d. Limiting bandwidth
Answer: c. Distributing requests between serversalooba+1
Which failover style requires no manual intervention upon a failure?
a. Passive failover
b. Automated failover
c. Deferred failover
d. Manual failover
Answer: b. Automated failoverovhcloud+1
What is the purpose of a failover test in server architecture?
a. Increase storage
b. Confirm system resilience
c. Reduce security risks
d. Improve latency
Answer: b. Confirm system resiliencegeeksforgeeks
What kind of downtime does live failover seek to eliminate?
a. Planned downtime
b. Unplanned downtime
c. Backup-only downtime
d. Power outage downtime
Answer: b. Unplanned downtimeliquidweb
Which type of redundancy involves separate physical locations for backup servers?
a. Site redundancy
b. Hot add
c. VLAN segmentation
d. Dynamic routing
Answer: a. Site redundancygeeksforgeeks
In live failover, what term describes the process of returning service back to a repaired primary server?
a. Resurrection
b. Failback
c. Backdrop
d. Doubletake
Answer: b. Failbackunitrends
Which protocol is frequently used to detect network-level server failures for failover?
a. HTTP
b. ICMP
c. SMTP
d. FTP
Answer: b. ICMPgeeksforgeeks
Why is regular synchronization between redundant servers important for live failover?
a. Prevent overheating
b. Ensure up-to-date data on failover
c. Increase fan speed
d. Reduce cable usage
Answer: b. Ensure up-to-date data on failoverliquidweb+1
What does N+1 redundancy entail?
a. No backup components
b. One additional backup component
c. One less backup component
d. No power redundancy
Answer: b. One additional backup componentcoresite
Which server redundancy model keeps all servers in the cluster actively participating in workload processing?
a. Active-active
b. Passive-passive
c. Asynchronous
d. Cold spare
Answer: a. Active-activealooba+1
What kind of cluster can be geographically dispersed for enhanced failover and disaster recovery?
a. Metropolitan cluster
b. Geo-cluster
c. Single-site cluster
d. DMZ cluster
Answer: b. Geo-clustergeeksforgeeks
What must be promptly detected for successful live failover to trigger?
a. Network-scale congestion
b. Server or application failures
c. Disk fragmentation
d. Memory leaks
Answer: b. Server or application failuresovhcloud+1
Which policy defines what events trigger a failover in clustering?
a. Load policy
b. Failover policy
c. Encryption policy
d. Backup policy
Answer: b. Failover policysanfoundry
What is the result if redundancy is not implemented in critical production systems?
a. Improved efficiency
b. Increased downtime and data loss
c. Decreased electricity bills
d. Stronger security
Answer: b. Increased downtime and data lossliquidweb
What best describes the process of a floating IP reassignment during failover?
a. IP is relayed to DNS for permanent change
b. ARP announces the IP address is mapped to a new MAC address
c. Network switch is rebooted
d. Application layer handles all redirection
Answer: b. ARP announces the IP address is mapped to a new MAC addressovhcloud
Why is failover clustering preferred in database high-availability design?
a. Lowers CPU usage
b. Provides redundant paths and instant recovery
c. Reduces costs
d. Simplifies user management
Answer: b. Provides redundant paths and instant recoverysanfoundry
Which feature is required for zero reconfiguration of applications during failover?
a. Hardcoded IP addresses
b. DNS round-robin
c. Virtual network address
d. Scheduled maintenance
Answer: c. Virtual network addresssanfoundry+1
Which is a main benefit of automated failover orchestration?
a. Needs less hardware
b. Reduces human error
c. Avoids licensing complexity
d. Provides multi-tenancy
Answer: b. Reduces human errorgeeksforgeeks
To maintain cluster availability, what must most failover solutions avoid?
a. Resource contention
b. Split-brain scenarios
c. Data deduplication
d. Network segmentation
Answer: b. Split-brain scenariossanfoundry+1
Why is geographic redundancy important for mission-critical failover?
a. Avoid physical security risks
b. Enhance resilience to site disasters
c. Reduce electrical costs
d. Increase local storage
Answer: b. Enhance resilience to site disastersgeeksforgeeks
Which component is typically responsible for detecting primary server failure?
a. Backup operator
b. Cluster resource monitor
c. Application user
d. Storage controller
Answer: b. Cluster resource monitorovhcloud+1
In what way does data replication differ from backup in failover design?
a. Backup is immediate; replication is scheduled
b. Replication provides continuous synchronization
c. Backup always reduces latency
d. Replication is not used for redundancy
Answer: b. Replication provides continuous synchronizationliquidweb+1
Which characteristic is essential for a successful live failover process?
a. Long transition times
b. Automated detection and switchover
c. Multi-stage patching
d. Single-point dependencies
Answer: b. Automated detection and switchoverovhcloud+1
What must always happen before failback to a primary server?
a. A full backup
b. Verification that the primary is healthy
c. User notification
d. System reboot on secondary
Answer: b. Verification that the primary is healthyunitrends
In redundancy models, what does “2N” represent?
a. Two networks in parallel
b. Dual power supplies only
c. Twice as many components as needed
d. Dual networking protocols
Answer: c. Twice as many components as neededcoresite
What is a key advantage of synchronized failover clusters?
a. Predictable failover time
b. Lower energy costs
c. Manual maintenance
d. Infrequent updates
Answer: a. Predictable failover timesanfoundry+1
In active-passive failover, which server is handling user requests in normal operation?
a. Passive server
b. Both servers equally
c. Active server
d. DNS server
Answer: c. Active serverquiz-maker
Which risk does failover clustering primarily reduce?
a. Power surge
b. Data center flooding
c. Single point of failure
d. Lightning strike
Answer: c. Single point of failurealooba+1
When does automatic failover NOT occur, even if a node fails, in some cluster configurations?
a. When no quorum exists
b. During data replication
c. On virtual IP updates
d. With ARP broadcasts
Answer: a. When no quorum existssanfoundry
Which term describes the overall design for handling failures and keeping services online?
a. Network segmentation
b. Failover architecture
c. Port forwarding
d. DNS caching
Answer: b. Failover architecturegeeksforgeeks
Which action most improves readiness for real-world failover events?
a. Disabling monitoring
b. Frequent testing and validation
c. Delaying configuration
d. Avoiding documentation
Answer: b. Frequent testing and validationgeeksforgeeks
What is the main function of the failover orchestrator in modern server clusters?
a. Expanding storage
b. Automating switchover process
c. Encrypting data
d. Reducing electricity bills
Answer: b. Automating switchover processgeeksforgeeks
A redundancy design using both in-row and overhead cooling for server racks is primarily concerned with which type of failover?
a. Environmental redundancy
b. Virtual IP failover
c. Application-level failover
d. DNS-based failover
Answer: a. Environmental redundancycoresite
Which operating system platform natively supports failover clustering for enterprise environments?
a. Windows Server
b. Android
c. MS-DOS
d. Ubuntu Desktop
Answer: a. Windows Serveraticleworld+1
What is a major challenge in configuring live failover solutions in multi-site environments?
a. User password resets
b. Data consistency and latency
c. Licensing software
d. Choosing RAID levels
Answer: b. Data consistency and latencyliquidweb+1

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