Core Prots(ARP,DNS,DHCP)

What does DNS stands for?

• Directly Name Service

• Domain nature Secure

• Domain Name System

When searching for a DNS, your computer will automatically check it's memory, which is also called

• cache

• top level domain

• IP address

• root

What is at the top of the DNS Hierarchy?

• Root

• Top Level Domain

• Second Level Domain

• Subdomain

DNS maps human, readable domain names into actual ___.

• IP addresses.

• domain names.

• servers.

• caches.

Where we can find information about the domain registrar?

• whatsmydns.com

• myaccount.com

• whois.com

• Internal Knowledge base

MX Record

• Address Record IPv4

• Mail Exchanger Record

• Pointer Record

• Text Record

Match the Record to the Description: NS

• Nameserver Record

• Pointer Record

• Address Record IPv6

• Text Record

What is the destination IP address used when an IPv4 host sends a DHCPDISCOVER message to the DHCP router?

• IP address of the default gateway

• IP address of the default gateway

• 224.0.0.1

• 255.255.255.255

In the DNS hierarchy, a ............ represents the first stop after the root zone.

• Root DNS Server

• Authoritive DNS

• Top Level Domain (TLD)

• Recursive SND

Which command do you use to learn ip address of a web site?

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