AWS Snowball User Guide
multiclass classification
model
A machine learning model that predicts values that belong to a limited, pre-
defined set of permissible values. For example, "Is this product a book, movie, or
clothing?"
multi-factor authentication
(MFA)
An optional AWS account (p. 109) security feature. Once you enable AWS
MFA, you must provide a six-digit, single-use code in addition to your sign-in
credentials whenever you access secure AWS webpages or the AWS Management
Console (p. 119). You get this single-use code from an authentication device
that you keep in your physical possession.
See Also https://aws.amazon.com/mfa/.
multi-valued attribute An attribute with more than one value.
multipart upload A feature that allows you to upload a single object as a set of parts.
Multipurpose Internet Mail
Extensions (MIME)
An internet standard that extends the email protocol to include non-ASCII text
and nontext elements like attachments.
Multitool A cascading application that provides a simple command-line interface for
managing large datasets.
N
Numbers and Symbols (p. 108) | A (p. 108) | B (p. 121) | C (p. 122) | D (p. 126) | E (p. 129) | F (p. 132) |
G (p. 133) | H (p. 134) | I (p. 135) | J (p. 137) | K (p. 137) | L (p. 138) | M (p. 139) | N (p. 141) | O (p. 142)
| P (p. 143) | Q (p. 146) | R (p. 146) | S (p. 149) | T (p. 155) | U (p. 157) | V (p. 158) | W (p. 159) | X, Y,
Z (p. 159)
namespace An abstract container that provides context for the items (names, or technical
terms, or words) it holds, and allows disambiguation of homonym items residing
in different namespaces.
NAT Network address translation. A strategy of mapping one or more IP addresses
to another while data packets are in transit across a traffic routing device. This
is commonly used to restrict internet communication to private instances while
allowing outgoing traffic.
See Also Network Address Translation and Protocol Translation, NAT gateway,
NAT instance.
NAT gateway A NAT (p. 141) device, managed by AWS, that performs network address
translation in a private subnet (p. 155), to secure inbound internet traffic. A NAT
gateway uses both NAT and port address translation.
See Also NAT instance.
NAT instance A NAT (p. 141) device, configured by a user, that performs network address
translation in a VPC (p. 159) public subnet (p. 155) to secure inbound internet
traffic.
See Also NAT gateway.
network ACL An optional layer of security that acts as a firewall for controlling traffic in and
out of a subnet (p. 155). You can associate multiple subnets with a single
network ACL (p. 108), but a subnet can be associated with only one network ACL
at a time.
Network Address Translation
and Protocol Translation
(NAT (p. 141)-PT) An internet protocol standard defined in RFC 2766.
See Also NAT instance, NAT gateway.
n-gram processor A processor that performs n-gram transformations.
See Also n-gram transformation.
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