2.6 Compare & Contrast Network Configuration Concepts

Question 1

DNS address record (A)

Answer 1

Records for IPv4

Question 2

DNS address record (AAAA)

Answer 2

Records for IPv6

Question 3

DNS mail exchanger (MX)

Answer 3

Accepting email messages on behalf of a recipient’s domain

Question 4

DNS Text record (TXT)

Answer 4

Store text information to use for other purposes

Question 5

DNS Sender Policy Framework (SPF)

Answer 5

List of authorized servers to send to a specific domain name

Question 6

(DMARC) Stands for

Answer 6

Domain-based Message Authentication, Reporting, and Conformance

Question 7

DNS Domain-based Message Authentication, Reporting, and Conformance (DMARC)

Answer 7

Deciding what to do if a message fails validation

Question 8

(DKIM) Stands for

Answer 8

DomainKeys Identified Mail (DKIM)

Question 9

DNS DomainKeys Identified Mail (DKIM)

Answer 9

Digitally sign a domains outgoing mail

Question 10

DHCP Configuration Scope options

Answer 10

IP address range & its associated subnet mask, & lease

Question 11

DHCP Configuration Lease

Answer 11

How long to keep the same IP address

Question 12

DHCP Configuration Reservations

Answer 12

A device connecting to the network will always receive the same IP address & will never be given to a different device

Question 13

Virtual Local Area Networks (VLAN)

Answer 13

Connects multiple devices and network nodes from different LANs into one logical network