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AWS SAA-C02 > Route 53 Routing Policies > Flashcards

Route 53 Routing Policies Flashcards

1
Q

routing policy

R53

A

defines how R53 responds to queries

R53

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2
Q

types of polices (4/8)

routing policy

A
  • simple
  • weighted
  • latency
  • failover
  • geolocation
  • geoproximity
  • IP-based
  • multivalue answer

routing policy

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3
Q

simple

routing policy

A

returns multiple values

routing policy

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4
Q

who picks the address to use

simple routing policy

A

client picks which address to use

simple routing policy

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5
Q

alias limitation

simple routing policy

A

can only point to one AWS resource

simple routing policy

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6
Q

health check limitation

simple routing policy

A

no health check

simple routing policy

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7
Q

weighted

routing policy

A

used to control which portion of requests to direct to each resource

routing policy

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8
Q

how to control weights

weighted routing policy

A

assign each record a weight value

weighted routing policy

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9
Q

record limitations

weighted routing policy

A

records must have same name and type

weighted routing policy

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10
Q

how to stop traffic to one resource

weighted routing policy

A

set weight to 0

weighted routing policy

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11
Q

use case

weighted routing policy

A

test new application version in production

weighted routing policy

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12
Q

latency

routing policy

A

redirect user to resource/region with least latency

routing policy

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13
Q

where latency is measured

latency routing policy

A

measured between users and AWS regions

latency routing policy

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14
Q

health check feature

latency routing policy

A

can use health checks

latency routing policy

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15
Q

health check feature

weighted routing policy

A

can use health checks

weighted routing policy

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16
Q

failover

routing policy

A

routes traffic to primary first

routing policy

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17
Q

mandatory object

failover routing policy

A

health check

failover routing policy

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18
Q

what happends when health check fails

failover routing policy

A

route to secondary

failover routing policy

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19
Q

geolocation

routing policy

A

routing based on user location

routing policy

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20
Q

location options (4)

geolocation routing policy

A
  • continent
  • country
  • US state
  • default

geolocation routing policy

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21
Q

default record

geolocation routing policy

A

used when no other location matches

geolocation routing policy

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22
Q

optional setting

geolocation routing policy

A

health checks

geolocation routing policy

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23
Q

use cases (2)

geolocation routing policy

A
  • website localization
  • regional content restrictions

geolocation routing policy

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24
Q

geoproximity

routing policy

A

uses bias value to route traffic in geographic areas

routing policy

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25
bias value range | geoproximity routing policy
between 99 and -99 | geoproximity routing policy
26
when bias is increased | geoproximity routing policy
clients from larger area routed to region | geoproximity routing policy
27
IP-based | routing policy
route traffic based on client's IP address | routing policy
28
use case | IP-based routing policy
optimize traffic for clients from particular ISP | IP-based routing policy
29
multi-value | routing policy
returns multiple values, client picks the value to use | routing policy
30
benefit | multi-value routing policy
health check can be assigned to each value | multi-value routing policy
31
defines how R53 responds to queries | R53
routing policy | R53
32
* simple * weighted * latency * failover * geolocation * geoproximity * IP-based * multivalue answer | routing policy
types of polices (4/8) | routing policy
33
returns multiple values | routing policy
simple | routing policy
34
client picks which address to use | simple routing policy
who picks the address to use | simple routing policy
35
can only point to one AWS resource | simple routing policy
alias limitation | simple routing policy
36
no health check | simple routing policy
health check limitation | simple routing policy
37
used to control which portion of requests to directo to each resource | routing policy
weighted | routing policy
38
assign each record a weight value | weighted routing policy
how to control weights | weighted routing policy
39
records must have same name and type | weighted routing policy
record limitations | weighted routing policy
40
set weight to 0 | weighted routing policy
how to stop traffic to one resource | weighted routing policy
41
test new application version in production | weighted routing policy
use case | weighted routing policy
42
redirect user to resource/region with least latency | routing policy
latency | routing policy
43
measured between users and AWS regions | latency routing policy
where latency is measured | latency routing policy
44
can use health checks | latency routing policy
health check feature | latency routing policy
45
can use health checks | weighted routing policy
health check feature | weighted routing policy
46
routes traffic to primary first | routing policy
failover | routing policy
47
health check | failover routing policy
mandatory object | failover routing policy
48
route to secondary | failover routing policy
what happends when health check fails | failover routing policy
49
routing based on user location | routing policy
geolocation | routing policy
50
* continent * country * US state * default | geolocation routing policy
location options (3) | geolocation routing policy
51
used when no other location matches | geolocation routing policy
default record | geolocation routing policy
52
health checks | geolocation routing policy
optional setting | geolocation routing policy
53
* website localization * regional content restrictions | geolocation routing policy
use cases (2) | geolocation routing policy
54
uses bias value to route traffic in geographic areas | routing policy
geoproximity | routing policy
55
between 99 and -99 | geoproximity routing policy
bias value range | geoproximity routing policy
56
clients from larger area routed to region | geoproximity routing policy
when bias is increased | geoproximity routing policy
57
route traffic based on client's IP address | routing policy
IP-based | routing policy
58
optimize traffic for clients from particular ISP | IP-based routing policy
use case | IP-based routing policy
59
returns multiple values, client picks the value to use | routing policy
multi-value | routing policy
60
# (R) health check can be assigned to each value | multi-value routing policy
benefit | multi-value routing policy

AWS SAA-C02 (48 decks)

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