Networking Services Flashcards
The most common resource record, used to point a certain domain name at a certain IPv4 IP address
A RECORD
A technique that’s used to route traffic to different destinations depending on factors like location, congestion, or link health
ANYCAST
A range of IP addresses is set aside for assignment purposes
AUTOMATIC ALLOCATION
They are generally provided by an ISP or your local network, and their purpose is to store domain name lookups for a certain amount of time
CACHING AND RECURSIVE NAME SERVERS
A resource record used to map one domain to another
CNAME
The process by which a client configured to use DHCP attempts to get network configuration information
DHCP DISCOVERY
A global and highly distributed network service that resolves strings of letters, such as a website name, into an IP address
DOMAIN NAME SYSTEM (DNS)
A portion of space in the Domain Name System (DNS) that is controlled by an authoritative name server
DNS ZONES
Used to demarcate where control moves from a top-level domain name server to an authoritative name server
DOMAIN
A website name, the part of the URL following www.
DOMAIN NAME
A range of IP addresses is set aside for client devices and one of these IPs is issued to these devices when they request one
DYNAMIC ALLOCATION
Requires a manually specified list of MAC address and the corresponding IPs
FIXED ALLOCATION
When you combine all the parts of a domain together
FULLY QUALIFIED DOMAIN NAME
The NAT obscures the sender’s IP address from the receiver
IP MASQUERADING
It stands for the mail exchange and this resource record is used in order to deliver mail to the correct server
MX RECORD
This process of using DNS to turn a domain name into an IP address
NAME RESOLUTION
A mitigation tool that lets organizations use one public IP address and many private IP addresses within the network
NETWORK ADDRESS TRANSLATION (NAT)
It indicates other name servers that may also be responsible for a particular zone
NS RECORD
Used to keep all computers on a network synchronized in time
NTP SERVERS
It resolves an IP to a name
POINTER RESOURCE RECORD
A technique where specific destination ports can be configured to always be delivered to specific nodes
PORT FORWARDING
A technique where the source port chosen by a client, is the same port used by the router
PORT PRESERVATION
A server that acts on behalf of a client in order to access another service
PROXY SERVICE
It is very similar to an A record except that it returns in IPv6 address instead of an IPv4 address
QUAD A (AAAA) RECORD
