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Untitled Flashcards
Ch. 7.1
Study
1
Question
namespace
Answer
used to secure and control access to the network and its resources.
2
Question
name resolution
Answer
a client/server system that associates FQDNs with IP addresses.
3
Question
MX record
Answer
a DNS record that points an email server domain name to an IP address.
4
Question
multicast address
Answer
In TCP/IP version 6, an IP address used when packets are delivered to a group of nodes on a network.
5
Question
MAC address
Answer
a 48-bit (6-byte) identification number that is hard-coded on the card by its manufacturer and identifies a network adapter.
6
Question
loopback address
Answer
An IP address that indicates your own computer and is used to test TCP/IP configuration on the computer.
7
Question
A record
Answer
a DNS record that points a host name to its IP address.
8
Question
AAAA record
Answer
a DNS record that is an address record for IPv6 addresses.
9
Question
address reservation
Answer
When DHCP server assigns static IP address to a DHCP client. For example, network printer might require static IP address so that computers on the network can find the printer.
10
Question
anycast address
Answer
Using TCP/IP version 6, a type of IP address used by routers and identifies multiple destinations. Packets are delivered to the closest destination.
11
Question
Automatic Private IP Address (APIPA)
Answer
In TCP/IP version 4, IP address in the address range 169.254.x.y, used by a computer when it cannot successfully lease an IP address from DHCP server.
12
Question
broadcast message
Answer
A message sent over a local network to all devices on the network; the message does not contain recipient information.
13
Question
cable modem
Answer
A device that converts a computer's digital signal to analog before sending it over cable TV lines and that converts incoming analog data to digital.
14
Question
CIDR notation
Answer
A shorthand notation for expressing an IPv4 address and subnet mask; the IP address is followed by a slash (/) and the number of bits in the IP address that identifies the network—for example, 15.50.35.10/20.
15
Question
CIFS
Answer
A file access protocol and the cross-platform version of SMB used between Windows, Linux, macOS, and other operating systems.
16
Question
CNAME record
Answer
a DNS record that redirects from one host name to another.
17
Question
connection-oriented protocol
Answer
In networking, a TCP/IP protocol that confirms a good connection has been made before transmitting data to the other end, verifies that data was received, and resends data if it was not received.
18
Question
DHCP
Answer
Protocol used to assign a dynamic IP address to computers when they first attempts to initiate a connection to the network and requests and IP address.
19
Question
DKIM record
Answer
a txt-type DNS record that authenticates an email message from a trusted source by attaching a domain name identifier to the message
20
Question
DMARC record
Answer
a txt-type DNS record that tells a recipient’s mail server what to do when it receives a fraudulent email message.
21
Question
DNS server
Answer
Server that maintains a database matching IP addresses to FQDNs
22
Question
domain name
Answer
A name that identifies a network and appears before the period in a website address, such as microsoft.com.
23
Question
file server
Answer
A computer used primarily for the storage and management of files on a network.
24
Question
firewall
Answer
Hardware and/or software that blocks unwanted Internet traffic from private network and can restrict Internet access for local computers.
25
Question
FTP
Answer
TCP/IP protocol and application that uses the Internet to transfer files between two computers.
26
Question
fully qualified domain name
Answer
A host name and domain name that identifies a computer and the network to which it belongs.
27
Question
host
Answer
A device, such as a desktop computer, laptop, or printer, on a network that requests or serves up data or services to other devices.
28
Question
HTTP
Answer
The TCP/IP protocol used for the World Wide Web and used by web browsers and web servers to communicate.
29
Question
HTTPS
Answer
Protocol working with a security protocol, such as Secure Sockets Layer (SSL) or Transport Layer Security (TLS), to create a secured socket that includes data encryption.
30
Question
IMAP
Answer
A TCP/IP protocol used by an email server and client that allows the client to manage email stored on the server without downloading the email.