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Unit 1

Terms in this set (123)

What is the name of the Air Forces' safety program?
Mishap Prevention Program
What AFI implements the installation safety offices Mishap Prevention Program?
AFI 91-202
Which agency dictates what must be accomplished in the workplace but, not necessarily, how it will be accomplished?
OSHA
Who is responsible for the safety of their facilities and personnel, including the correction of all hazards and deficiencies in their workplace?
The commander
What should you do when there is conflicting safety guidance?
Use the guidance with the most protection
What AF series publication make up AFOSH standards?
AF 91-series
What office/individuals is responsible for managing proactive on- and off-duty safety programs?
Installation Safety Office
What office/individual manages the occupational and environment health surveillance program according to AF guidance?
Bio environmental Engineering
What office/individual is responsible for implementing a safety and health program in their unit or area of responsibility?
The Commander
Who is required to complete the AF Risk Management Fundamentals course?
Unit Safety Representative
What office/individual is responsible for developing JSTOs?
Supervisors
How many US workers were killed on the job in 2014?
More than 4,600
What are the three sub-categories of human factors?
Physical, Physiological, Organizational
What are some physiological factors that can contribute to an unsafe attitude?
Shift work, job knowledge, unhealthy emotions
What are some examples of physical factors?
Fatigue, strength limits, lack of sleep, ergonomic design constraints, drugs/alcohol.
Who is responsible to mitigate human factors?
Everyone
What should be done before considering the use of PPE?
After implementing engineering and administration controls to the max extent practicable.
When shall PPE be used?
Whenever there are hazards that can do bodily harm through absorption, inhalation, or physical study.
Within the office space what is the most common hazard?
Falls
List the most common cause of office falls.
Tripping, bending or reaching in unstable chair, using a chair in place of a ladder, skipping, inadequate lighting.
Define horseplay.
Rough or boisterous play or pranks that occur in the workplace.
What could be the consequence of a workplace horseplay incident?
Serious injuries or death
Who is responsible to ensure that all employees have access to a safe, respectful, and harassment free place to work.
The commander
What AFI provides detailed guidance of office safety?
AFI 91-203
Who is responsible for developing and maintaining a training and certification system to ensure employee training on fire protection and fire prevention responsibilities?
Facility manager and supervisor
Fire in facilities are usually attributed to what factors?
Improper use, selection or placement of heaters, coffee makers, holiday decorations or improper storage or disposal of flammables and combustibles.
What three items are needed to complete the fire triangle?
Fuel, Heat, Air
What are the four ways to put out a fire?
(1) Cool the burning material (fuel).
(2) Eliminate oxygen from the reaction.
(3) Remove the fuel.
(4) Break the chemical reaction.
List the classes of fire.
A,B,C,D,K
What does the PASS acronym stand for?
Pull, Aim, Squeeze, Sweep
What determines the severity of electrical shock?
Current flowing through body
Time of exposure
Bodies physical condition
When are you required to have a safety observer when installing or repairing C&I systems, communication cables and antenna systems that may expose you to energized equipment?
High voltage circuits (600 volts or above) or lower if it has high current flow.
What is the primary hazard associated with ladders?
Falls
When would you not use a metal framed ladder?
While working around energized electrical circuits.
What AFI identifies activities where the wear of finger rings is prohibited?
AFI 91-202
Define Risk management.
Decision making process to systematically evaluate possible COA, identify risks, benefits and determine best COA of any given event.
How many principles govern all actions associated with the management of risk?
4
What is unnecessary risk?
Comes without a commensurate return in terms of real benefits or available opportunities.
What are the 5 steps of risk management?
Identify hazards
Assess hazards
Develop controls and make risk decisions, Implement controls
Supervise and evaluate
What is the fundamental objective of risk management?
To enhance mission effectiveness at all levels while preserving assets and safeguarding the health and welfare of personnel.
What is IT?
Any equipment, or interconnected system or subsystem of equipment, that is used in the automatic acquisition, storage, manipulation, management, movement, control, display, switching, interchange, transmission, or reception of data or information by the Executive Agency.
What is a NSS (National Security System)?
Any information system operated by the US gov that involves intelligence activities, cryptologic activities related to national security, command and control of military forces, weapons systems, or is critical to the fulfillment of military or intelligence mission.
Is a payroll system a part of NSS?
No
The DODAF (DOD Architecture Framework) specification contains how many volumes?
4
Describe the vision of the DODAF
Provide architecture concepts to guide development of architectures throughout the DOD in support of decision processes for departmental programs, military components, and capability areas focus on architectural data as information required for making critical decisions and deemphasize individual or independent architecture models.
What architecture framework is designed as the framework for DOD architecture development?
DODAF
List at least three ways that DODAF's architecture framework supports change in organizations through building and using architecture.
-Analyze designs for three states of the enterprise.
-Establish baseline architectures for solution under development.
-Provide mechanisms to manage configuration of the current state of the enterprise and to maintain validity of the expected performance.
Where does mandate to develop architectures come from?
Law, Federal level requirements, DOD policies, and instructions.
What are enterprise architectures?
Formal blueprints for methodically and completely defining an organization's current or desired operational process and enabling environment.
What was the name of the system that was employed before the CIPS (Cyber Infrastructure Planning System)?
Communication and information systems installation record
What is the approved automated information system for planning, installing, and managing the AF cyberspace infrastructure?
CIPS
Documents generated in CIPS are historical documentation, how long will the records remain associated with the equipment?
Throughout its life cycle
What three parts make up Communications and Information Systems Installation Record?
Administration Record
Drawing Record
Maintenance Record
What are legacy records that provide a history and audit trail for AF systems?
Administration records
What are records depict physical layout of communications and information systems and provide engineering data?
Drawing record
In what year was the OSI model published and by whom?
International Organization for Standardization/ 1984
What ability does the OSI model provide?
To communicate with each other across any type of media.
What two unique categories make up the seven layers of the OSI reference model?
Application & Data Transport
Describe the application layers.
The Application layers of the OSI model deals with application issues and generally only implements in software. The highest layer, application, is closest to the end user. Both users and application-layer processes interact with software applications that contain a communications component. These layers deal with the user interface, formatting data, and access to applications.
What layer generally only implements in software?
Applications layer
Which layer of the OSI (Open Systems Interconnections) is closest to the end user and interacts directly with the software application?
Application layer
What are two key types of application-layer implementations?
TCP/IP
OSI applications
Which layer establishes virtual circuits?
Transport Layer
Which layer of the OSI model provides logical addressing as opposed to physical addressing?
Network Layer
Who subdivided the Data link layer into two sublayers and what are the sublayers called?
IEEE, LCC & MAC
Which specification allows for unique identification at the data link layer?
The MAC sublayer
What does the physical layer of the OSI model define?
The electrical, mechanical, procedural, and functional specs for activating, maintaining, and deactivating the physical link between communication network systems.
Define a network's topology.
A network's topology consists of the physical and logical arrangement of its stations in relation to one another.
What do we call a device that sits at the intersection of two or more transmission paths and switches traffic among those paths.
A node
Define topology.
That branch of math that examines the characteristics of geometric shape.
If the topology cannot be seen or touched what type is it?
Logical topology
What consideration should you take when choosing a topology?
Type of equipment the network needs
Capabilities of equipment
Growth of network
Management of the network
Name the two most common physical topologies?
Bus and star topologies
What is another name for a bus topology?
Linear
What IEEE standard applies to bus networks?
802.3
List the advantages of a ring topology?
Data packet travel at greater speeds
No collisions
Easier troubleshoot
No terminators needed
Which topology has cable segments connected to a centralized component?
Star
Which topology is the most common physical topology in Ethernet LANS?
Star
List the disadvantages of a star network.
-Requires more media that a ring or bus
-The failure of the centralized device will bring down the whole network
-Installation costs are higher
Which topology imitates an extended star topology and inherits properties of a bus topology?
Tree
List and describe the three tree topology layers.
(1) Access layer-the lowermost and is where computers attach.
(2) Distribution layer (middle)-is the mediator between upper layer and lower layer.
(3) Core layer (top)-central point of the network root of the tree form which all nodes fork.
What ensures effective, secure and efficient delivery of DOD IT communication?
Standards, policies, and procedures
List at least two of the standards used throughout the DOD to govern IT?
MIL-STD
DISA Instructions
DISA Circulars and numerous commercial standards
What are the two classifications of transport protocols?
Connection oriented
Connection less
In connection oriented systems, what must happen prior to transfer of any data?
The connection must be established between sender and recipient.
List four protocols that use TCP.
(1) FTP.
(2) HTTP.
(3) SMTP.
(4) DNS.
What layer defines end to end connectivity between host applications?
Transport layer
What method does TCP use to prevent network congestion by ensuring that transmitting devices do not overwhelm receiving devices with data?
Flow control
Describe error control.
Determines whether transmitted data has become corrupt or otherwise damaged while traveling from the source to the destination.
What does a sliding window regulate?
A sliding window regulates how much information passes over a TCP connection before the receiving host must send an acknowledgement.
How do connectionless-oriented protocols differ from connection-oriented protocols?
Connection-less oriented protocols simply send out the data packets to the receiving system and do not require a receipt acknowledgement.
What is the UDP best at?
Sending small amounts of data for which guaranteed delivery is not required and minor packet loss is acceptable.
List four protocols that utilize UDP.
(1) TFTP.
(2) SNMP.
(3) DHCP.
(4) DNS.
What is the de facto standard protocol if internet and is the procotol of choice on LANs and WANs?
TCP/IP
Which IEEE standard defines Data Link layer protocols that operate within TCP/IP?
Project 802 standards
What are the four important Network layer TCP/IP protocols?
IP RARP
ARP ICMP
How many fields make up a TCP segment?
13 fields
Which field is a 32-bit number identifying the next data byte the sender expects from the receiver?
Acknowledgement number
Describe the checksum field?
A TCP sender computes a value based on the contents of the TCP header and data fields. This 16-bit value will be compared with the value the receiver generates using the same computation. If the values match, the receiver can be very confident that the segment arrived intact.
In which field is the actual data that is transmitting inserted in the TCP segment?
Data field
In the context of TCP/IP, what is a packet also known as?
IP datagram
What are the two main parts of an IPv4 address?
(1) Network number.
(2) Network host.
Who assigns network numbers?
IANA
What is the reserved IPv4 address for loop back?
127 in the network field, and any number in the host field.
What is the reserved IPv4 address for a limited broadcast?
255
What is a subnet mask?
A subnet mask is a mechanism that allows a network device to divide an IP address into a network and host number
What are the two methods of subnet masking?
Classful and classless
What are some benefits to subnet masking?
Subnet ease administration, improve network performance, and security.
How long is an IPv6 address?
16 octets long or 128 bits.
How is an IPv6 address expressed?
16 bytes fields
What are two ways to shorten the expression of an IPv6 address?
Leading zero compression or zero compression
What is a unicast address?
Unicast addresses identify a single interface. A packet sent to a unicast address delivers to the interface identified by that address.
What is a multicast address?
Multicast addresses (FF00::/8) identify a group of interfaces belonging to different nodes. Multicast packets send to all interfaces identified by that address.
What is a unicast address?
Unicast addresses identify a single interface. A packet sent to a unicast address delivers to the interface identified by that address.
What are the three types of unicast address?
Link, site, and global.
What is the IPv6 loop back address?
0:0:0:0:0:0:0:1 or ::1
What allows servers the capability to provide multiple services?
Ports
What is the number range of registered ports?
1024-49151
What is the default port assignment for HTTP?
Port 80
What is the default port used with credit card transactions on e-commerce sites?
Port 443-Secure Socket layer
What does RAM mean?
The term "random access" refers to the method of addressing memory. With random access, the CPU can address any memory location directly and read the data contained at that memory location.
What is the difference between ROM and RAM?
ROM is read-only, non nonvolatile memory. RAM is random access memory, and is volatile.
Name the special type of memory used to store the BIOS settings in a PC.
UMOS memory cache
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