Which statement about the benefits of MPLS PHP is true?

Which statement about the benefits of MPLS PHP is true?
A . PHP is implemented to increase the performance on the egress edge LS
B . PHP allows the egress edge LSR to perform only one lookup to route the IP packet based on destination IP address and routing table.
C . PHP is implemented to increase the performance on the egress edge LS
D . PHP enables the egress edge LSR to perform only one lookup based on the ingress label.
E . PHP is implemented to increase the performance on the egress edge LS
F . PHP enables the egress edge LSR to perform two lookups, first lookup based on the ingress label and a second route lookup based on the destination IP address.
G . PHP is implemented to increase the performance on the LSR (P routers). PHP enables the LSR (P routers) to perform only one lookup based on the ingress label.
H . PHP is implemented to increase the performance on the LSR (P routers). PHP enables the LSR (P routers) to perform only one route lookup based on the destination IP address.
. PHP is implemented to increase the performance on the LSR (P routers). PHP enables the LSR (P routers) to perform two lookups, first lookup based on the ingress label and a second route lookup based on the destination IP address.
. PHP is implemented to increase the performance on the ingress edge LS
. PHP enables the ingress edge LSR to perform only one lookup based on the ingress label.
. PHP is implemented to increase the performance on the ingress edge LS
. PHP enables the ingress edge LSR to perform two lookups, first lookup based on the ingress label and a second route lookup based on the destination IP address.

View Answer

Answer: A