3c251 Volume 2
3C251 Volume 2. Only URE's.
- 1.What device is used to input and display data?
- A.
A terminal
- B.
A printer
- C.
A client
- D.
A host
- 2.What device is a terminal with significant computing and processing capability?
- A.
A printer
- B.
A server
- C.
A client
- D.
A host
- 3.What device modulates digital data onto an analog carrier for transmission?
- A.
Channel Service Unit (CSU)
- B.
Digital Service Unit (DSU)
- C.
CSU/DSU
- D.
Modem
- 4.What network device is certified to secure all classified levels and categories and is able to encrypt trunk-level high-speed circuits?
- A.
The AN/CYZ-10 Data Transfer Device (DTD)
- B.
The Secure Terminal Equipment (STE)
- C.
Secure DTD 2000 Systems (SDS)
- D.
The TSEC/KIV-19
- 5.What network device provides high-speed secure data transfers up to 38.4 kilobits per second (kbps) for asynchronous or 128 kbps for synchronous?
- A.
The AN/CYZ-10 Data Transfer Device (DTD)
- B.
The Secure Terminal Equipment (STE)
- C.
The TSEC/KIV-7HS
- D.
The TSEC/KIV-19
- 6.What type of resistor is wired between the tip and ring of the monitor jack of the audio patch panel that makes it possible for you to monitor the signal?
- A.
12-ohm
- B.
14-ohm
- C.
22-ohm
- D.
24-ohm
- 7.Which patch bay provides a circuit monitoring and testing capability for T-1 circuits?
- A.
Digital
- B.
DS-X
- C.
Digital and audio
- D.
DS-X and audio
- 8.Which patch bay(s) can accommodate DB-25 modules wired for the RS-232, RS-530, or V.35 physical standards?
- A.
Digital
- B.
DS-X
- C.
Digital and audio
- D.
DS-X and audio
- 9.As related to the Red/Black concept, which type of separator is the isolating of batteried circuits from each other?
- A.
Link
- B.
Circuit
- C.
Electrical
- D.
Physical
- 10.What is the maximum number of days an on-call patch should be activated?
- A.
3
- B.
7
- C.
10
- D.
12
- 11.Who does the system control facility (SCF) contact for assistance when on-call service cannot be established within the means available to the SCF?
- A.
User
- B.
Circuit control office
- C.
Other systems control facilities
- D.
Regional network operations and security center
- 12.What does power distribution within the system control facilities?
- A.
Main power panel
- B.
Power supply
- C.
Transformer
- D.
Subpanel
- 13.Which uninterrupted power supply (UPS) component takes the direct current (DC) voltage input and changes it to alternating current (AC) voltage?
- A.
Inverter
- B.
Static switch
- C.
Battery banks
- D.
Rectifier/charger
- 14.Which auxiliary generator component connects the generator to the load by changing the facility's power feed from the commercial source to the generator?
- A.
Switchgear
- B.
Starting system
- C.
Distribution panel
- D.
Engine control panel
- 15.The difference between a promina trunk and link is that a trunk is a
- A.
Multiple physical connection between two nodes and a link is a single logical connection
- B.
Single logical connection between two nodes and a link is a multiple physical link
- C.
Logical connection that can consist of one or more links and a link is a single physical connection between nodes
- D.
Physical connection between two nodes and a link is a logical connection that can consist of one or more trunks
- 16.What important feature of dynamic bandwidth allocation is the Promina?
- A.
If a path to a connected node is down, traffic is automatically rerouted over other trunks
- B.
If a path to a connected node is down, traffic can be manually rerouted over the other trunks
- C.
Bandwidth is assigned to a pool and is allocated to a 9.6 Kbps circuit
- D.
Bandwidth is assigned to a 64 Kbps channel and is allocated to a 9.6 Kbps circuit
- 17.What is an important feature of dynamic routing in the Promina?
- A.
If a path to a connected node is down, traffic is automatically rerouted over other trunks
- B.
If a path to a connected node is down, traffic is manually rerouted over other trunks
- C.
Bandwidth for a 9.6 Kbps circuit is assigned to a pool and is allocated as needed
- D.
Bandwidth for a 9.6 Kbps circuit is assigned to a 64 Kbps channel
- 18.How does the Defense Information Systems Agency (DISA) ensure there are some standards of operation throughout the Promina network?
- A.
Dynamic bandwidth allocation
- B.
Centralized management
- C.
Transparency to users
- D.
Dynamic routing
- 19.What feature of the Promina allows users to be unconcerned with the exact circuit path?
- A.
Dynamic bandwidth allocation
- B.
Centralized management
- C.
Transparency to users
- D.
Dynamic routing
- 20.Which module is common equipment for the Promina?
- A.
Trunk
- B.
Processor
- C.
Data
- D.
Voice
- 21.How many Promina Processor Modules can be installed in a Promina 800 node?
- A.
One only
- B.
Two only
- C.
One to four
- D.
Two to six
- 22.Which device provides clocking functions to the Promina 800 nodes?
- A.
Switching Exchange
- B.
Processor
- C.
Memory
- D.
T-Bus
- 23.Which module is the central point of data storage for Promina nodes?
- A.
Server
- B.
Memory
- C.
Processor
- D.
Switching
- 24.A Promina node can have how many links?
- A.
16
- B.
32
- C.
64
- D.
128
- 25.Which Promina module only supports one T-1 trunk, DS-1 rate (1.544 Mbps) transmission facilities?
- A.
CellXpress
- B.
TRK-2A
- C.
TRK-3
- D.
T-3
Back to top