Personal & Equip Protection
This is security concerned with both passive and active measures designed to prevent unauthorized access to any Air Force resource such as personnel, equipment, installations, materials, and documents.
Physical security
BONUS 100 POINTS:
What are the three examples of areas we discussed under physical security.
This provides/implements guidance and procedures on AF policies.
Air Force Instruction (AFI)
This is written as a subscript to a number and identifies the numbering system.
The base/subscript/radix
BONUS 100 POINTS:
What numbering systems uses a base of 2?
This protocol is considered connection-orientated due to guarantee delivery of information or data over a network, it data is not received it is resent by sending device.
Transmission Control Protocol (TCP)
BONUS 100 POINTS:
What layer of the OSI model is this protocol used?
What is the most important element in a wireless network?
Access Point
What type of hardware tool helps to isolate a single cable within a larger bundle of cables?
Tone generator
What are the two categories or types of bonding?
Direct and Indirect.
BONUS 100 POINTS:
What are the two types of direct bonds and difference between them?
Telecommunications Industry Association (TIA) Standards
572 (10) to (16)
23C (16)
How does the TCP/IP reference model differ from the OSI reference model?
It combines the three upper layers of application, presentation and session into just one layer of application for the TCP/IP suite.
This type of network can join two or more devices through radio waves.
Wireless
BONUS 100 POINTS:
Is a wireless network completely wireless?
What are the two types of fiber cabling?
Single mode and multimode
BONUS 100 POINTS:
What makes one single versus multi mode?
This is the establishment of a low-impedance path between two metal surfaces.
Bonding
This layer ensures information sent is reformatted back to the original as well as providing freedom from compatibility problems in data representation by translating from application to network format, and vice versa.
Presentation Layer (Which is what number layer?)
BONUS 100 POINTS:
What lies at this layer?
Convert 336 (10) to (2)
101010000 (2)
This involves a logical division of network connected devices based on IP addresses and is considered a network within a network.
Subnetting
This type of wireless network links two or more devices using a wireless distribution method within a limited area such as a home, school, computer Laboratory, or office building.
WLAN - Wireless Local Area Network
BONUS 100 POINTS:
What type of wireless network is used for items such as bluetooth devices?
Under the category of copper cabling and twisted pair cables what are the two subcategories of cabling?
Shielded and Unshielded
BONUS 100 POINTS:
In an unshielded twisted pair there are how many wires to form how many pairs?
This provides a conductive path between the earth and a grounded object.
Grounding
This layer conveys the bit stream - electrical impulse, light, or radio signal through the network at the electrical and mechanical level.
Physical Layer (What layer number is this?)
Convert 36E (16) to (10)
878 (10)
This protocol is considered connectionless orientated protocol as there is no guarantee that data will reach recipient or be protected from duplication.
User datagram protocol
BONUS 100 Points:
What protocol would you use for things such as real-time video conferencing, streaming audio and video, VOIP, music and online games and why?
Within this function of the network monitoring system it will notify network admins when something goes wrong via email, text, logging and can be set up with blackout dates/times.
Alert
Why is it important within the troubleshooting methodology that the final step is documentation?
You want to document your findings, actions and outcomes. If the problem occurs again the information is already available to troubleshoot and resolve the issue. Also provides ability to capture history of equipment.
What is caused by buildup or electrical charge on one surface suddenly transferred to another surface when they touch?
Name the seven layers of the OSI model from bottom to top (1-7)
Physical, Data Link, Network, Transport, Session, Presentation, Application.
Convert 1000111 (2) to (10)
71 (10)
When we subnet the IP address now has three components or portions, the network, the subnet and what?
The host part.
BONUS 100 POINTS:
Dividing the network using subnetting applies to IP addresses because we are borrowing bits from what portion of the IP address?
What type of access point utilizes a combination of multiple devices such as an access point, regular Ethernet switch, router and sometimes modem
Multifunction access point
BONUS 100 POINTS:
What type of access point upon received a frame from a connected device instead of forwarding the frame sends it to the Wireless LAN controller (WLC) to make a forwarding decision.
What type of tool is checking for any breaks in a fiber optic cable?
BONUS 100 POINT:
What does a light meter check for?
What are the three types of ESD failure?
Catastrophic, intermittent and latent.
BONUS 100 POINTS:
This type of failure is delayed failure of component or electronic circuit. It appears to operate normally but may experience premature failure prior to the life span.
What layer of the OSI model establishes, manages and terminates connections between applications located on different devices?
Session Layer (Which is what number layer?)
Convert 1D7 (16) to (2)
111010111 (2)
This a virtual path to send and receive data from computers. Each of these will have an assigned purpose or being assigned as needed for a specific service.
A port.
BONUS 100 points:
IANA is responsible for maintaining official assignments of port numbers for uses. What are the three names of the ranges of ports?
Network monitoring system provides five basic functions, what are the five functions?
Discover, Map, Monitor, Alert, and Report.
What are the three PIN layout types for cables within unshielded twisted pair.
Cross over, Straight Through and Roll over
BONUS 100 POINTS:
Within a shielded twisted pair cable they are shielded and twisted to a required specification to protect against what?
Grounding provides three functions, what are those functions?
Personnel safety, equipment protection, and electrical noise reduction.
This layer is where users input data and data is output back to the user and relates to services that directly support user applications.
Application Layer (Which is what number layer?)
BONUS 100 POINTS:
What are some user applications utilized at this layer?
101110111 (2) to (16)
177 (16)
This type of port is used for common protocols and services and provide widely used types of network services for system processes. Some examples of these ports include File Transfer protocol, DNS, DHCP, HTTP.
Well known or system ports.
BONUS 100 Points:
What is the range of port numbers for well known or system ports?
What type of access point has all software required to manage WLAN processes with no need for additional controllers or switches?
Autonomous access point
BONUS 100 Points:
This access point is installed without explicit authorization from a local network admin.
You want to identify the route cause of problem versus just “putting out fires” as it helps to avoid treating symptoms versus the true underlying problem that contribute to the problem or event
What is a control measure when handling ESD equipment?
Be sure all personnel handling ESDS devices are grounded.
Place all ESDS items on workstation prior to handling.
Ensure all hand tools are properly grounded.
When removing any equipment make sure you are at same potential as equipment.
Do not remove ESDS devices from packages until ready for use.
Do not handle ESDS devices by their leads.
This layer is responsible for addressing packets and translating logical addresses into physical addresses as well as being concerned with the path data takes to reach the receiving device.
Network Layer (Which is what layer number?)
What is the range of a Class C IPv4 address?
192 - 223
BONUS 100 POINTS:
What part of a Class C address represents the host versus device?
This layer of the Cisco hierarchical internetworking model deals with transporting traffic and traffic that is transported across is common to majority of users. Done normally via high speed switches and routers.
Core Layer
This function of the network monitoring system gives you the ability to keep an eye on the network.
Monitor
BONUS 100 Points:
What function of the NMS provides real-time and historical monitoring data?
List three steps of the troubleshooting methodology.
1. Identify the Problem. 2. Problem Causes. 3. Test the theory. 4. Establish a plan of action. 5. Implement a solution. 6. Verify functionality. 7. Perform root cause analysis. 8. Document the solution
What are some corrosion control methods when bonding materials that you should be aware of?
Corrosion introduces impedance in the bond.
Bonds between unlike metals are susceptible to corrosion.
Metal surfaces must be cleaned of all corrosion prior to bonding.
What layer deals with the coordination of the data transfer between end systems and hosts as well as determining how much data is sent and at what rate?
Transport Layer (Which is what number layer?)
BONUS 100 Points
What are some examples are protocols for the transport layer.
This is a logical numeric address assigned to every computer, printer, switch, router or other device that is part of a TCP/IP based network.
IPv4 address.
BONUS 100 Points:
An IPv4 address is written as a more user friendly manner referred to as what?
This layer of the Cisco Hierarchical internetworking model ensures frames are delivered to the end users. Majority of devices connected to access switches are computers so it is also referred to as what? (TWO PART ANSWER)
Access layer and referred to as the desktop layer.
What were the two tools or protocols we discussed in terms of networking monitoring and network monitoring systems? One is a protocol
IDS - Intrusion Detection System and SNMP - Simple Network Management Protocol
What software tool intercepts and logs network packets for malware/intrusion analysis?
Packet sniffer
BONUS 100 POINTS:
What tool searches for unintentionally opened logical ports?
Grounding consists of a facility ground system with three subsystems. What are those three subsystems?
Earth electrode, fault protection, and signal reference.
This layer is responsible for the node-to-node delivery of the message and to make sure data transfer is error-free from one node to another over the physical layer.
Data Link Layer (Which layer number is this?)
What is the highest value you would have in an IPv6 address?
F, as the highest value for hexadecimal is 15 which is equivalent to F.
BONUS 100 Points:
What is the highest value you would have for an IPv4 address?
This layer of the Cisco Hierarchical internetworking models primary function is to provide routing, filtering, WAN access and determine how many packets can access the core when necessary?
Distribution layer
Within wireless networking we have a service set which is a collection of what?
Wireless networking devices with the same parameters.
BONUS 100 Points:
What is a service set identifier (SSID)
This type of wireless transmissions uses lasers to transmit and receive network signals
Light transmission
BONUS 100 POINTS:
What are some issues or security problems with light or laser transmissions?