COMMS
Transmission and reception of messages using Morse code.
Wireless Telegraphy - "Telegraph"
Universal time for all messages traffic.
Form used to document destruction of COMSEC material.
SF 153
Network Device that breaks up Broadcast Domains?
Router
a 32-bit number created by setting host bits to all 0s and setting network bits to all 1s
Subnet Mask
Bending of wave path when waves meet an obstruction
diffraction
Digits of Julian date.
7
Pub gives complete details on priority destruction of keymat.
CMS 1
What are the 4 CANES enclaves?
UNCLAS
SECRET
SR
SCI
Subnet mask of a /28
255.255.255.240
Military communications are divided into two classes
Tactical & Strategic
Publication that contains detailed information regarding messages.
JANAP 128
Order in which keymat should be destroyed.
Superseded, effective, then reserve.
Packets are sent at which layer of the OSI model?
3 - Network
Which IPv4 class of addresses provides the most networks?
Class C
Information concerning the security of communications is contained in this publication.
ACP 122
Message precedence reserved for messages that furnish essential info for operations in progress.
The highest priority authorized for admin messages.
(P) Priority
Maximum time after suppression that keymat marked "crypto" must be destroyed.
12 hours
A software used by a hacker to gain constant administrator-level access to a computer or network.
Rootkit
Convert the decimal number 231 into its binary equivalent
11100111
Change in frequency or pitch when a sound source moves either toward or away from the listener or listener moves toward/away from sound.
Doppler Effect
Message sent to determine the reason for delay or non-delivery of a previously sent message.
Tracer
Designed to ensure the proper distribution, handling, and control of COMSEC material and to maintain crypto security communications.
(CMS) Communication Security Material System
Port 22
Port 53
Port 80
Port 443
Port 3389
SSH
DNS
HTTP
HTTPS
RDP
63 in hexadecimal
3F