Route 53

Question 1

Used to convert human-friendly domain names into an IP address

Answer 1

DNS

Question 2

last word in a domain name represents (.com, .org, .net)

Answer 2

Top-level domain

Question 3

second word in a domain name represents (.co.uk, .co.org, .co.net, .gov.us)

Answer 3

second-level domain

Question 4

Top-domains are controlled by the

Answer 4

Internet Assigned Numbers Authority (IANA)

Question 5

An authority that can assign domain names directly under one or more top-level domains

Answer 5

Registrar

Question 6

registrar domains are registered in whois database by

Answer 6

InterNIC (ICANN)

Question 7

Enforces the uniqueness of domain names across the internet

Answer 7

ICANN

Question 8

Record that stores information about:

Name of the server that supplied the data
Administrator of the zone
Current version of the data file
Default number of seconds for the time-to-live file on resource records

Answer 8

SOA Record

Question 9

Records that are used by top-level domain servers to direct traffic to the content DNS server that contains the authoritative DNS records

Answer 9

Name server records (NS) records

Question 10

Record that a computer uses to look up a domain and translate the name of the domain to an IP address

Answer 10

A Record

Question 11

The length (in seconds) that a DNS record is cached on either the resolving server or the user’s own local PC is the

Answer 11

Time to live (TTL)

Question 12

Used to resolve one domain name to another such as a mobile version of a website

Answer 12

CNAME

Question 13

Records used to map AWS resource records in your hosted zone to load balancers, CloudFront distributions or S3 buckets

Answer 13

Alias Records

Question 14

Amazon’s DNS service that allows you to register domain names, create hosted zones, and manage and create DNS records

Answer 14

Route 53

Question 15

Routing policy where you can only have one record with multiple ID Addresses.

Answer 15

Simple Routing Policy

Question 16

If you specify multiple values in a record, Route 53 returns all values to the user in a random order.

Answer 16

Simple Routing Policy

Question 17

Routing policy which allows you to split your traffic based on different weights assigned (10 percent to US-west, 90 percent to US-east)

Answer 17

Weighted Routing Policy

Question 18

Routing policy used when you want to have an active/passive set up where traffic will be redirected to the passive site when failover occurs on the active site

Answer 18

Failover routing policy

Question 19

Routing that lets you choose where your traffic will be sent based on the geographic location of your users (sending Europeans to European configured instances)

Answer 19

Geolocation Routing Policy

Question 20

Routing that lets Route53 route traffic to your resources based on the geographic location of your users and your resources.

Answer 20

Geoproximity Routing

Question 21

Expands or shrinks the size of the geographic region from which traffic is routed to a resource

Answer 21

Bias

Question 22

Routing policy which routes your traffic based on the lowest network latency for your end user

Answer 22

Latency Routing Policy

Question 23

Routing policy which lets you configure Amazon Route53 to return multiple values, such as IP addresses for your web servers in response to DNS queries

Answer 23

Multivalue Answer Routing