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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 directo 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 (3)

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
Q

bias value range

geoproximity routing policy

A

between 99 and -99

geoproximity routing policy

26
Q

when bias is increased

geoproximity routing policy

A

clients from larger area routed to region

geoproximity routing policy

27
Q

IP-based

routing policy

A

route traffic based on client’s IP address

routing policy

28
Q

use case

IP-based routing policy

A

optimize traffic for clients from particular ISP

IP-based routing policy

29
Q

multi-value

routing policy

A

returns multiple values, client picks the value to use

routing policy

30
Q

benefit

multi-value routing policy

A

health check can be assigned to each value

multi-value routing policy

31
Q

defines how R53 responds to queries

R53

A

routing policy

R53

32
Q
  • simple
  • weighted
  • latency
  • failover
  • geolocation
  • geoproximity
  • IP-based
  • multivalue answer

routing policy

A

types of polices (4/8)

routing policy

33
Q

returns multiple values

routing policy

A

simple

routing policy

34
Q

client picks which address to use

simple routing policy

A

who picks the address to use

simple routing policy

35
Q

can only point to one AWS resource

simple routing policy

A

alias limitation

simple routing policy

36
Q

no health check

simple routing policy

A

health check limitation

simple routing policy

37
Q

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

routing policy

A

weighted

routing policy

38
Q

assign each record a weight value

weighted routing policy

A

how to control weights

weighted routing policy

39
Q

records must have same name and type

weighted routing policy

A

record limitations

weighted routing policy

40
Q

set weight to 0

weighted routing policy

A

how to stop traffic to one resource

weighted routing policy

41
Q

test new application version in production

weighted routing policy

A

use case

weighted routing policy

42
Q

redirect user to resource/region with least latency

routing policy

A

latency

routing policy

43
Q

measured between users and AWS regions

latency routing policy

A

where latency is measured

latency routing policy

44
Q

can use health checks

latency routing policy

A

health check feature

latency routing policy

45
Q

can use health checks

weighted routing policy

A

health check feature

weighted routing policy

46
Q

routes traffic to primary first

routing policy

A

failover

routing policy

47
Q

health check

failover routing policy

A

mandatory object

failover routing policy

48
Q

route to secondary

failover routing policy

A

what happends when health check fails

failover routing policy

49
Q

routing based on user location

routing policy

A

geolocation

routing policy

50
Q
  • continent
  • country
  • US state
  • default

geolocation routing policy

A

location options (3)

geolocation routing policy

51
Q

used when no other location matches

geolocation routing policy

A

default record

geolocation routing policy

52
Q

health checks

geolocation routing policy

A

optional setting

geolocation routing policy

53
Q
  • website localization
  • regional content restrictions

geolocation routing policy

A

use cases (2)

geolocation routing policy

54
Q

uses bias value to route traffic in geographic areas

routing policy

A

geoproximity

routing policy

55
Q

between 99 and -99

geoproximity routing policy

A

bias value range

geoproximity routing policy

56
Q

clients from larger area routed to region

geoproximity routing policy

A

when bias is increased

geoproximity routing policy

57
Q

route traffic based on client’s IP address

routing policy

A

IP-based

routing policy

58
Q

optimize traffic for clients from particular ISP

IP-based routing policy

A

use case

IP-based routing policy

59
Q

returns multiple values, client picks the value to use

routing policy

A

multi-value

routing policy

60
Q

(R)

health check can be assigned to each value

multi-value routing policy

A

benefit

multi-value routing policy

AWS SAA-C02 (42 decks)

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