CDC Vol 1, 015 Telephone Communications Systems COPY

Question 1

• What system provides a direct dialing access to most military installations and DOD facilities around the world?

Answer 1

DSN - Defense Switched Network

Question 2

• List two advantages of using cellular phones and pagers?

Answer 2

1. Makes it easier to contact commanders, key personnel, and standby personnel at times when they are not near an administrative telephone.
2. Serves as a backup means of communication.

Question 3

• How are communications using the STE secured?

Answer 3

By the insertion of a PCMCIA crypto card called the FORTEZZA plus.

Question 4

• Name the levels of precedence of the telephone priority system.

Answer 4

• Flash
• Immediate
• Priority
• Routine

Question 5

What precedence is reserved for vital communications having an immediate operational effect on tactical operations, safety and rescue operations, and intelligence reports?

Answer 5

Immediate

Question 6

What is not considered a level of precedence but preempts all other level? Note: This is meant for the highest echelon of command.

Answer 6

Flash Override

Question 7

What precedence applies to all other official communications and is the most commonly used?

Answer 7

Routine

Question 8

What precedence is reserved for alerts, warnings, and other emergency actions with an immediate bearing on national, command, or area security?

Answer 8

Flash

Question 9

What precedence handles calls as received?

Answer 9

Routine

Question 10

What precedence is the highest and preempts all lower precedence calls?

Answer 10

Flash

Question 11

What precedence are reserved for matters that require prompt completion for national defense and security?

Answer 11

Priority

Question 12

Name the nonsecure systems C2BMOs use most often?

NOTE: There are 4

Answer 12

• Hot Lines
• Administrative telephones
• DSN - Defense Switched Network
• Cell phones and pagers

Question 13

What comm system provide the ability call agencies without a dialing capability?

Answer 13

Hot Lines

Question 14

What comm system is much like your home phone but may also have access to the DSN telephone system?

Answer 14

Administrative telephone

Question 15

Name the secure comm systems C2BMOs use most often?

NOTE: There are 4

Answer 15

• STE - Secure Terminal Equipment
• KY-68
• VoSIP - Voice over Secure Internet Protocal
• IRC - Internet Chat Relay

Question 16

A secure terminal equipment (STE) offers secure data in less than 2 seconds over what network?

Answer 16

ISDN - Integrated Services Digital Network

Question 17

What are the two modes on the secure terminal equipment (STE)?

Answer 17

1. ISDN - Integrated Services Digital Network

2. PSTN - Public Switched Telephone Network

Question 18

What comm system is a ruggedized, self-contained, secure telephone terminal with a push-to-talk handset?

Answer 18

KY-68

Question 19

The KY-68 can operate as a full-duplex or half-duplex voice/data subscriber terminal. How many kilobits per second can the KY-68 transmit?

Answer 19

16-32 kb/s

Question 20

What COMSEC setting can the KY-68 operate in?

Answer 20

• COMSEC master switch
• COMSEC slave switch
• Sole User without intervening devices

Question 21

How are VoSIP phones encrypted?

Answer 21

The network the VoSIP phone is connected to is encrypted. A VoSIP phone itself is not encrypted.

Question 22

What does VoSIP service feature that is designed to discover, identify, and track the use of network resources?

Answer 22

IMS - Identity Management Soutions

Question 23

What does VoSIP maintain compliance with?

Answer 23

IAVA - Information Assurance Vulnerability Alert

Question 24

What type comm system does mIRC create a virtual meeting place where users can talk and participate in group or private discussions in near-real-time worldwide?

Answer 24

Internet Chat Relay

Question 25

Who many ongoing conversations does mIRC support in one AOR?

Answer 25

2,700