FUNDAMENTALS OF COMPUTER

TELECOMMUNICATIONS SYSTEMS

NETWORK ARCHITECTURE

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A DNS client would be registered with the DNS server using which one of the following record types?

A	MX’ record
B	NS’ record
C	A’ record
D	CNAME’ record

Explanation:

Detailed explanation-1: -When a DNS client requests a record that contains a CNAME, which points to another hostname, the DNS resolution process is repeated with the new hostname. Mail exchanger record (MX Record)-specifies an SMTP email server for the domain, used to route outgoing emails to an email server.

Detailed explanation-2: -NS record A nameserver (NS) record specifies the authoritative DNS server for a domain. In other words, the NS record helps point to where internet applications like a web browser can find the IP address for a domain name.

Detailed explanation-3: -named daemon, DNS on a name server consists of a configuration file called named. conf, a resolver file named resolv.

Detailed explanation-4: -Like A records, AAAA records enable client devices to learn the IP address for a domain name. The client device can then connect with and load the website. AAAA records are only used when a domain has an IPv6 address in addition to an IPv4 address, and when the client device in question is configured to use IPv6.

Detailed explanation-5: -CERT (Certificate / CRL) DHCID (DHCP Information) DNAME (Non-Terminal DNS Name Redirection) HINFO (Host information)

There is 1 question to complete.