V, W, X

Question 1

VA

Answer 1

Vulnerability assessment

An operational defense designed to proactively discover
flaws, incorrect configurations and outdated
applications.

Question 2

VDE

Answer 2

Virtual Desktop Environment

Hosting a desktop operating system on a centralized
server and allowing users to remotely access it.

Question 3

VDI

Answer 3

Virtual Desktop Infrastructure

Hosting a desktop operating system on a centralized
server and allowing users to remotely access it.

Question 4

VLAN

Answer 4

Virtual Local Area Network

A technology for isolating and nodes attached to
switches into various groups to enhance performance
and create isolation-based security.

Question 5

VLSM

Answer 5

Variable-length Subnet Masking

An IP network masking technique that does not require
full bytes in each position of the mask.

Question 6

VM

Answer 6

Virtual Machine

The implementation of an operating system within an
application running on top of another host.

Question 7

VoIP

Answer 7

Voice over IP

Converting analog sound into packet eyes data for
efficient transport over the Internet.

Question 8

VPC

Answer 8

Virtual Private Cloud

An implementation of cloud computing where in the
cloud service provider reserves resources for particular
group or customer, providing isolation.

Question 9

VPN

Answer 9

Virtual Private Network

The transmission of information in a protected form
over potentially hostile mediums.

Question 10

VTC

Answer 10

Video Teleconferencing

Video or audio conductivity between remote sites.

Question 11

WAF

Answer 11

Web Application Firewall

A filtering device designed to perform deep content
inspection to identify application threats.

Question 12

WAP

Answer 12

Wireless Access Point

The hub of communication in a radio-based data
network.

Question 13

WEP

Answer 13

Wired Equivalent Privacy

The now deprecated authentication and confidentiality
measures used by 802.11 networks.

Question 14

WIDS

Answer 14

Wireless Intrusion Detection System

This is an intrusion sensor that looks for 802.11-related
threats.

Question 15

WIPS

Answer 15

Wireless Intrusion Prevention System

This is an intrusion sensor that stops 802.11-related
threats.

Question 16

WORM

Answer 16

Write Once Read Many

One-way writing of logs and performance data.

Question 17

Worm

Answer 17

Massive propagation messages

Self-propagating malicious software that floods a
network, causing a denial of service.

Question 18

WPA

Answer 18

WiFi Protected Access

The predecessor to WPA/2 that implemented TKIP.

Question 19

WPA2

Answer 19

WiFi Protected Access 2

The successor to WPA that incorporates AES-CCMP.

Question 20

WPS

Answer 20

WiFi Protected Setup

New clients may gain access by pushing a button.

Question 21

XaaS

Answer 21

Anything as a Service

A broad term that refers to accessing any type of
service, large or small, via the Internet and it is
commonly associated with cloud computing.

Question 22

x.509v3

Answer 22

Schema of identification document.

Definition and structure for server, host, and personal
identification.

Question 23

XML

Answer 23

Extensible Markup Language

A text-based language that defines the encoding of
documents and data so that it is both human readable
and machine readable, commonly associated with web
services.

Question 24

XOR

Answer 24

Exclusive Or

A mathematical bit -wise operation, commonly
employed in encryption.

Question 25

XSRF

Answer 25

Cross-site Request Forgery

An attack wherein a message is spoofed from a user to a
trusted site.