Describe Network-Based Fault Tolerance Techniques DATA-PROTECTION-MANAGEMENT-FOUNDATIONS Practice Questions (Page 1)

Questions 1–5

1. 1foundation · easy

   How does a floating IP address support seamless failover?

   • ABy encrypting the IP address to prevent unauthorized access
   • BBy using a different IP address for each server in the cluster
   • CBy allowing the IP address to be reassigned to a backup server automatically
   • DBy assigning a new IP address to clients each time a failover occurs
   Reveal Solution Discussion Select an answer first
2. 2application · medium

   A database server is connected to a SAN storage array via two Fibre Channel HBAs, each connected to a different switch. The storage administrator wants to ensure that if one HBA, cable, or switch fails, the server can still access storage without manual intervention. What should be configured?

   • ALink aggregation on the two HBAs
   • BSpanning Tree Protocol on the Fibre Channel switches
   • CA floating IP address for the storage array
   • DMultipath I/O (MPIO) with failover policy
   Reveal Solution Discussion Select an answer first
4. 3foundation · easy

   What is the role of virtual network adapters in supporting fault tolerance?

   • AThey encrypt all data stored on the virtual machine's disk
   • BThey increase the processing power of the virtual machine
   • CThey allow a virtual machine to use multiple virtual NICs for redundancy and load balancing
   • DThey replace the need for a virtual switch
   Reveal Solution Discussion Select an answer first
5. 4expert · hard

   A company runs a mission-critical application on two servers in an active-passive cluster. The application uses a floating IP for client access. The network team has noticed that during a failover, the floating IP moves to the standby server, but the standby server's ARP cache still contains the old MAC address for the IP, causing clients to send traffic to the failed server. What is the most effective way to ensure clients immediately send traffic to the new active server?

   • AConfigure gratuitous ARP on the cluster software when the floating IP moves.
   • BIncrease the ARP timeout on the switches.
   • CEnable STP on the cluster network.
   • DUse a longer virtual IP lease time.
   Reveal Solution Discussion Select an answer first
6. 5expert · hard

   A virtualization administrator is configuring a two-node hypervisor cluster. Each hypervisor has two physical NICs. The administrator wants to ensure that if one hypervisor fails, the VMs can be restarted on the other hypervisor and remain reachable at the same IP address. Additionally, the administrator wants to provide redundancy for the physical NICs on each hypervisor. What should be configured?

   • ASTP on the virtual switches and a static IP for each VM
   • BLink aggregation on each hypervisor and a static IP for each VM
   • CMPIO on each hypervisor and a floating IP for each VM
   • DNIC teaming on each hypervisor and a floating IP for each VM
   Reveal Solution Discussion Select an answer first