Chapter 1: Organization & Administration
What does NCTAMS stand for?
Naval Computer and Telecommunications Area Master Station
What does DMS stand for?
Defense Message System
What does SATCOM stand for?
Satellite Communications
What does NECOS stand for?
Net Control Station
What does CENTRIXS stand for?
Combined Enterprise Regional Information Exchange System
What are the two NCTAMS and where are they located?
NCTAMS LANT in Norfolk, VA;
NCTAMS PAC in Wahiawa, HI
What does DTG stand for in naval message traffic?
Date-Time Group
Which frequency bands are commonly identified in NTP 4(E) for military SATCOM: UHF, SHF and ___?
EHF
What is a communications net called when stations may transmit without obtaining permission from NECOS?
Free Net
CENTRIXS provides U.S., allied and coalition users access to what type of secure network?
A secure LAN with access to the coalition WAN
What organization serves as the Navy's central operational authority for C4I, Space, and Information Operations?
NETWARCOM
What are the four standard military message precedences, from lowest to highest?
Routine, Priority, Immediate, Flash
What type of communication allows transmission in one direction only?
Simplex
What is a net called when stations normally require permission from NECOS before transmitting?
Directed Net
What does CENTRIXS-M refer to?
The maritime/Navy portion of the global CENTRIXS network
What watch officer is responsible for day-to-day operational control within a Naval communications area?
JFTOC Watch Officer
In a naval message, what does FM identify?
The message originator
What type allows communication in either direction, but only one station can transmit at a time?
Half-duplex
What does EMCON stand for?
Emission Control
Name three services provided through CENTRIXS.
Any 3: Email, DNS, Chat, Web, COP
Who is responsible, under the CO, for the proper performance and training of personnel within the communications department?
Communications Officer
What prosign identifies the action addressee(s) of a message?
TO
What type allows two stations to transmit and receive simultaneously?
Full-duplex
What ship is normally designated as the Communications Control Ship for a Strike Group?
An aircraft carrier (CV/CVN) or large-deck amphibious ship (LHA/LHD)
What command serves as the Navy C4 TYCOM for SURFOR, AIRFOR and SUBFOR C4 requirements?
Naval Network Warfare Command (NETWARCOM/NNWC)