Network Availablility

Question 1

HSRP

Answer 1

Hot Standby Router Protocol (HSRP)

▪ Proprietary first-hop redundancy by Cisco
▪ Allows for active router and standby router
▪ Creates virtual router as the default gateway

Question 2

CARP

Answer 2

Common Address Redundancy Protocol (CARP)
▪ Open-standard variant of HSRP
▪ Allows for active router and standby router
▪ Creates virtual router as the default gateway

Question 3

VRRP

Answer 3

Virtual Router Redundancy Protocol (VRRP)
▪ IETP open-standard variant of HSRP
▪ Allows for active router and standby router
▪ Creates virtual router as the default gateway

Question 4

GLBP

Answer 4

Gateway Load Balancing Protocol (GLBP)
▪ Proprietary first-hop redundancy by Cisco
▪ Focuses on load balancing over redundancy
▪ Allows for active router and standby router
▪ Creates virtual router as the default gateway

Question 5

LACP

Answer 5

Link Aggregation Control Protocol (LACP)
▪ Achieves redundancy by having multiple links between devices
▪ Load balancing occurs over multiple links
▪ Multiple links appear as single logical link

Question 6

Content Switch

Answer 6

Load Balancer

Question 7

SPAN

Answer 7

Switch Port ANalyzer

Port mirroring