OBJ 3.3 X

Question 1

Multipathing

Answer 1

Creates more than one physical path between the server and its storage devices for better fault tolerance and performance

Question 2

Network interface card (NIC) teaming

Answer 2

Using a group of network interface cards for load balancing and failover
on a server or other device

Question 3

Uninterruptible power supply (UPS)

Answer 3

▪ Provides emergency power to a load when the input power source or
main power fails

▪ Great for short duration power outages (less than 15 minutes)

Question 4

Power distribution units (PDUs)

Answer 4

▪ Distributes electric power, especially to racks of computers and
networking equipment located within a data center

▪ PDUs combined with a UPS or a generator can provide power during a blackout

Question 5

Cold site

Answer 5

▪ An available building that does not have any hardware or software in
place or configured

▪ While recovery is possible, it is going to be slow and time-consuming

Question 6

Warm site

Answer 6

▪ An available building that already contains a lot of the equipment
▪ Restoral time is between 24 hours and seven days

Question 7

Hot site

Answer 7

▪ An available building that already has the equipment and data in place
and configured
▪ Minimal downtime and with nearly identical service levels maintained

Question 8

Cloud site

Answer 8

Allows for the creation of a recovery version of an organization’s
enterprise network in the cloud

Question 9

Active-active vs. active-passive

Answer 9

Active-Active
▪ Multiple NICs are active at the same time
▪ NICs have their own MAC address
▪ Makes troubleshooting more complex

Active-Passive
▪ One NIC is active at a time
▪ Client appears to have a single MAC address

Question 10

Virtual Router Redundancy Protocol (VRRP)/First Hop Redundancy Protocol (FHRP)

Answer 10

▪ IETP open-standard variant of HSRP
▪ Allows for active router and standby router
▪ Creates virtual router as the default gateway

Question 11

Mean time to repair (MTTR)

Answer 11

o Measures the average time it takes to repair a network device when it breaks

Question 12

Mean time between failure (MTBF)

Answer 12

Measures the average time between failures of a device

Question 13

Recovery time objective (RTO)

Answer 13

Time and service level within which a business process must be restored after a disaster to avoid unacceptable
consequences

Question 14

Recovery point objective (RPO)

Answer 14

Interval of time during a disruption before data lost exceeds the BCP’s maximum allowable threshold or
tolerance