3DX5X Volume 2

1. (207) The ability to move about without being tethered by wires in wireless technology is called

Mobility

Ease of installations.

War driving.

Motion capture technology.

2. (215) What are two anti-virus programs that the Air Force uses?

Norton and Horton.

Horton and McAfee.

Norton and McAfee.

McAfee and Lotus Pro.

3. (202) What topology combines two or more different physical topologies in a single network?

Bus

Ring

Star

Hybrid

4. (217) What was the first disk operating system developed to operate on a wide range of computer systems?

C-Plus

UNIX

Fortran

Windows

5. (213) The classification of a fill device is

Classified when taken out of a safe.

Classified as SECRET when the key has been unloaded.

Unclassified when put back in the safe after a key has been loaded into it.

Classified as soon as a key is loaded, and holds the classification of the loaded key.

6. (223) What concerns slowed the military's adoption of wireless network technology?

Speed and reliability.

Security and reliability.

Reliability and maintenance.

Certification and interoperability.

7. (204) What type of network connects networks that are typically separated by geographical distances between cities, states, countries, or around the world?

Local Area Network.

Wide Area Network.

Virtual Private Network.

Metropolitan Area Network.

8. (215) The path between the operating system and virtually all hardware not on the computer's motherboard goes through a special program called a

Director.

Deliver

Driver

Sender

9. (207) Who is an authorized client that may unknowingly or maliciously help outside parties gain access to a network?

Auditor

Employee

War Driver.

Hacker

10. (207) What organization developed several wireless standards to meet the demands of security, speed, and flexibility of today's wireless networks?

Institute of Electrical Electronics Engineers.

International Organization for Standardization.

Internet assigned numbers authority.

National Science Foundation network.

11. (202) What topology consists of devices connected to a common, shared cable?

Bus

Ring

Star

Hybrid

12. (205) Using a range of 1–126 in the first octet of an IPv4 address, what class does it belong to?

Class A.

Class B.

Class C.

Class D.

13. (207) What is the type of memory that retains data after power is removed or lost?

Volatile

Nonvolatile

Secured

Unsecured

14. (211) What is the method called when the entire frame is received and placed into the buffer, an error check is performed, and the frame is sent to the proper port for delivery?

Store-and-forward.

Cross-over.

Fragment-free.

Adaptive

15. (217) What directory is always identified by the slash symbol (/) and is in the "a" partition?

Root

User

Binary

Device

16. (201) What is a formal set of rules and conventions that govern how computers exchange information over a network medium?

Specification.

Standard.

Etiquette.

Protocol.

17. (202) What topology defines the way in which devices communicate, and data is transmitted, throughout the network?

Physical.

Logical.

Star

Hybrid

18. (202) What topology consists of cable segments from each computer connected to a centralized component?

Bus

Ring

Star

Hybrid

19. (203) Which network protocol has the Department of Defense chosen as its standard to govern the flow of information?

AppleTalk

NetBios Extended User Interface

Transport Control Protocol/Internet Protocol.

Internetwork Packet Exchange/ Sequenced Packet Exchange.

20. (212) What do routing algorithms initialize and maintain to aid the process of path determination?

Routing times.

Routing tables.

Longest routes.

Shortest routes.

21. (231) An uninvestigated or unevaluated occurrence that potentially jeopardizes the security of COMSEC material or the secure transmission of government information is best described as a COMSEC

Insecurity

Deviation

Incident

Report

22. (215) Applications are software programs designed to perform what type of tasks?

Specific

General

Special

Broad

23. (231) Final reports of a communication security incident are due

10 days after the initial report is dated

20 days after the initial report is signed

30 days after the initial report is issued

40 days after the initial report is approved

24. (225) While you are using the Red Switch, what feature lets you know that you have dialed the correct number at the proper level of security?

Recorded voice message.

Punched computer cards.

Liquid crystal display.

Punched paper tape.

25. (204) What type of network makes use of tunneling and security protocols to enables a group of two or more computer systems to communicate over the public Internet?

Local Area Network.

Wide Area Network.

Virtual Private Network.

Metropolitan Area Network.

26. (205) What IPv4 reserved address is used for loop back?

0.0.0.0.

127.0.0.1.

207.55.157.255.

255.255.255.255.

27. (207) Which of the following is not one of the three advantages to using wireless technology?

Ease of installation.

Lower Cost.

Safety.

Mobility

28. (210) What rule establishes the percent of data that should be local to a segment and the percentage of data that should be destined to traverse a bridge to the other segment?

90/10 rule.

80/20 rule.

70/30 rule.

60/40 rule.

29. (235) An accreditation decision which allows a system to operate in an environment for which it was originally intended is known as

A full accreditation.

A type accreditation.

A major accreditation.

An interim accreditation.

30. (207) Which landline transmission medium is the primary carrier of voice communications?

Twisted pair cable.

Fiber optic cable.

Coaxial cable.

Twinax cable.

31. (207) Which of the following is not one the four security threats to Wireless Local Area Network?

Rogue Access Points.

Direct Connections.

War Drivers.

Hackers.

32. (212) Dynamic routing automatically calculates the best path between how many nodes?

2

3

4

5

33. (201) The Institute of Electrical and Electronics Engineers divide the Open System Interconnect Data Link Layers into what two sublayers?

High Level Data Link Control and Synchronous Data Link Control.

Logical Link Control and Media Access Control.

Distance Vector and Link State.

RS–232 and RS–530.

34. (205) Instead of using binary, how are IPv4 addresses expressed to be more user-friendly?

Colon Hexadecimal Format.

Dotted Decimal Notation.

Hexadecimal.

Octal.

35. (207) The computing part of the computer is the central processing unit, also called the

Control unit.

Minicomputer.

Microprocessor.

Arithmetic logic unit.

36. (209) What do you apply across Liquid Crystal Display material to change the alignment and light polarizing property?

Current.

Voltage

Resistance

Inductance

37. (227) The Global Positioning System program is responsible for maintaining GPS time to within how many seconds of universal time code?

2 microseconds.

2 seconds.

1 microsecond.

1 second.

38. (207) An optical communications system is comprised of a

Transmitter, cable, and receiver.

Transmitter, cable, and logic analyzer.

Transmitter, transmission medium, and logic analyzer.

Transmitter, transmission medium, and protocol analyzer.

39. (210) This type of bridge is used to convert one Data Link layer protocol to another.

Cross route.

Transparent

Translational

Source route.

40. (233) What best describes an unintended signals or noise appearing external to a piece of communications equipment?

Emulation

Emanation

Signature

Salutation

41. (202) What topology defines the layout of a network's devices and media?

Physical.

Logical.

Star.

Hybrid.

42. (203) What application within Transmission Control Protocol/Internet Protocol is used to send and receive files via TCP?

File Transfer Protocol.

Trivial File Transfer Protocol.

Simple Mail Transfer Protocol.

HyperText Transfer Protocol.

43. (204) Which is a common port that contains Hyper Text Transfer Protocol servers and proxies?

Port 80.

Port 110.

Port 443.

Port 8080.

44. (207) What two main components make up the central processing unit?

Control unit and read-only memory.

Control unit and arithmetic logic unit.

Arithmetic logic unit and read-only memory.

Arithmetic logic unit and random access memory.

45. (212) Which of these is an example of an Exterior Gateway Protocol?

Open Shortest Path First.

Border Gateway Protocol.

Routing Information Protocol.

Enhanced Gateway Routing Protocol.

46. (214) Analog modems are used over the voice band range of

10 Hz to 20 MHz.

20 Hz to 20 kHz.

30 Hz to 40 MHz.

40 Hz to 40 kHz.

47. (201) What Open System Interconnect layer is closest to the end user?

Application.

Session.

Presentation.

Transport.

48. (203) What Transmission Control Protocol/Internet Protocol network layer protocol provides messaging that can help with troubleshooting?

Internet Protocol.

Address Resolution Protocol.

Reverse Address Resolution Protocol.

Internet Control Message Protocol.

49. (230) What is the COMSEC program designed to do?

Relocate classified material to strengthen security.

Conduct assessments to evaluate compromise of national security

Deflect unauthorized interception and analysis of compromising emanations.

Detect and correct procedural weaknesses that could expose critical information.

50. (215) The core operating-system function is the management of the computer system which resides with the

Shell

Kernel

Device manager.

Processor manager.

51. (232) Which applied discipline applies measures and controls to protect data in computer systems against unauthorized, disclosure, modification, or destruction?

OPSEC

EMSEC

COMSEC

COMPUSEC

52. (213) What encryption device may you rarely see due to its lower maximum data rate?

TSEC/KIV–7.

TSEC/KIV–19.

TSEC/KG–84.

TSEC/KG–194.

53. (214) The main function of the Data Service Unit is to

Provide buffering and data flow control.

Manage timing errors and signal regeneration.

Provide the proper electrical termination for the transmission line.

Adapt the digital data stream produced by the customer equipment to the signaling standards ofthe telephone carrier equipment.

54. (215) Which one is not a category of the operating system's task categories?

User interface.

Memory management.

Troubleshoot interface.

Processor management.

55. (205) How many bits are in an IPv4 address?

16 bits.

32 bits.

64 bits.

128 bits.

56. (205) What is a mechanism that allows a network device to divide an IP address into a network and host number?

Subnet mask.

Broadcast.

Multicast.

Subnet.

57. (205) What is the default classful subnet mask on class B networks?

255.255.0.0.

255.255.240.0.

255.255.255.0.

255.255.255.224.

58. (206) Instead of using binary, how are IPv6 addresses expressed to be more user-friendly?

Colon Hexadecimal Format.

Dotted Decimal Notation.

Hexadecimal.

Octal.

59. (218) This component of the Global Information Grid consists of those items that are necessary to directly connect the warfighter to the global network

Global applications.

Warrior component.

Network operations.

Information management.

60. (222) What provides conduit for Joint Worldwide Intelligence Communication System data transmission from one location to another?

DISN backbone.

JDISS terminal.

SIPRNET.

NIPRNET.

61. (224) What type of Defense Switched Network precedence call cannot be preempted?

Flash

Priority

Intermediate

Flash Override

62. (212) What layer of the open system interconnection model do routers operate?

Layer 2.

Layer 3.

Layer 4.

Layer 5.

63. (216) One of the Windows Server Editions operating systems provides support for high-end, high traffic applications servers. Which Operating system is it?

Web Edition.

Datacenter Edition.

NT

AERO

64. (217) What is the name of the standard all-purpose shell most commonly used?

Restricted shell.

Bourne shell.

Korn shell.

C shell.

65. (223) What is the first step in merging voice, data and video networks into one integrated network within the Air Force?

Adding more traditional time division multiplexing voice switches to handle additional data traffic.

Integrating traditional TDM switches with voice over IP systems.

Complete replacement of TDM switches with VoIP technology.

Managing TDM switches in the same way we manage data networks.

66. (228) Which of the following security programs is defined as a process of identifying critical information and subsequently analyzing friendly actions attendant to military operations and other activities?

OPSEC

EMSEC

COMSEC

COMPUSEC

67. (205) What IPv4 class address is used for networks with about 250 nodes?

Class C.

Class D.

Class E.

Class F.

68. (210) What is a Data Link layer network device that logically separates a single network into two segments or collision domains in Ethernet networks?

Hub

Bridge

Switch

Router

69. (234) Which condition exists when there is no apparent terrorist activity against computer networks?

INFOCON 2

INFOCON 3

INFOCON 4

INFOCON 5

70. (215) Software is generally divided into

Systems software and applications software.

Operating systems software and systems software.

Operating systems software and applications software.

Systems software, operating systems software, and applications software.

71. (221) How are non-internet protocols sent across the Secret Internet Protocol Router Network?

Protocols cannot be sent across the SIPRNET.

Transmitted from sender to user unchanged.

Encapsulated by the internet protocol before being transmitted across the SIPRNET.

Encrypted by a TACLANE before being transmitted across the SIPRNET.

72. (225) What is the maximum asynchronous data rate for the Defense Red Switch Network (DRSN)?

9.6 Kbps

14.4 Kbps

19.2 Kbps

28.8 Kbps

73. (201) What layer of the Open System Interconnect model defines the electrical, mechanical, procedural, and functional specifications for links between communicating network systems?

Physical.

Data Link.

Network.

Transport.

74. (203) What Transmission Control Protocol/Internet Protocol network layer protocol provides the service of matching a known IP address for a destination device to a Media Access Control address?

Internet Protocol.

Address Resolution Protocol.

Reverse Address Resolution Protocol.

Internet Control Message Protocol.

75. (203) What Transmission Control Protocol/Internet Protocol transport layer protocol provides reliable data delivery services?

Internet Protocol.

User Datagram Protocol.

Transmission Control Protocol.

Internet Control Message Protocol.

76. (211) What forwarding method is also known as runtless switching?

Store-and-forward.

Cut-through.

Fragment-free.

Adaptive.

77. (213) What encryption device is certified to secure all classification levels and categories and is able to encrypt trunk-level high-speed circuits?

TSEC/KIV–7.

TSEC/KIV–7HS

TSEC/KIV–7HSA.

TSEC/KIV–19.

78. (224) Which organization is responsible for the design, acquisition, and single systems management of the Defense Switched Network?

Defense Logistics Agency.

Communications Squadron.

Air Force Communications Agency.

Defense Information Systems Agency.

79. (226) What is the purpose of the standardized tactical entry point terminal?

To provide a foxhole to National Command Authority link for commanders.

To lessen the amount of traffic transmitted through the gateway terminals.

To provide one-way communication access for deployed locations.

To replace the old tactical satellite communications system.

80. (203) What Transmission Control Protocol/Internet Protocol network layer protocol provides the IP address for a device that knows its own MAC address?

Internet Protocol.

Address Resolution Protocol.

Reverse Address Resolution Protocol.

Internet Control Message Protocol.

81. (208) How many devices can connect to a FireWire bus?

63

64

65

66

82. (216) Windows operating systems traditionally function in one of two network models. Which model does not operate using centralized user accounts?

Workgroup

Domain

Active Directory.

User Group.

83. (213) What encryption device is capable of loading up to 500 keys?

AN/CYZ–10 /DTD.

AN/CYZ–20 /DTD.

Secure DTD1000 System.

Secure DTD2000 System.

84. (201) At what Open System Interconnect layer do routers operate?

Network.

Physical.

Data Link.

Transport.

85. (208) How many peripherals can a Universal Serial Bus handle at once?

127

128

227

228

86. (220) What is the difference between a hub router and a premise router?

Operated and managed as a base communications asset.

Considered one of the primary components of the Defense Information Systems Network.

Interconnected via the Defense Information Systems Agency Asynchronous Transfer Mode network.

Completely protected by encryption devices.

87. (206) What Unicast address scope is designed to be private, internally routable addresses that do not route outside the site?

Site-local.

Link-local.

Aggregatable Local.

Aggregatable Global.

88. (229) Disclosure of information that would result in the loss, misuse, modification or unauthorized access that might adversely affect national security would best be described as

Secret

Confidential

For official use only

Sensitive but unclassified

89. (217) Which pathnames begin at the current working directory?

Absolute

Relative

Complex

Simple

90. (214) A modem is a device that modulates

Analog data onto an analog carrier for transmission over an analog medium.

Analog data onto a digital carrier for transmission over a digital medium.

Digital data onto an analog carrier for transmission over an analog medium.

Digital data onto a digital carrier for transmission over an analog medium.

91. (219) Which segment of the Defense Information System Network (DISN) may be a person in the deployed Area of Responsibility or a person sitting in a fixed location thousands of miles from combat?

Long-haul transport infrastructure.

Deployed warfighter.

Theater Battle Management Core System terminal.

Sustaining base.

92. (206) What notation is expressed in zero compression for IPv6?

1234:1234:0:0:1234:0:0:1234

10AB::3:0:1234:5678.

255.255.255.255.

127.0.0.1.

93. (216) Which system provides support for features such as Windows System Resource Manager and Metadirectory Services?

AERO

Enterprise Edition.

Standard Edition.

Datacenter Edition.

94. (218) This characteristic of the Global Information Grid ensures seamless transmission of information between different service branches

Joint architecture.

Unity of command.

Information services.

Common policy and standards

95. (206) What Unicast address scope is publicly accessible with the Network ID portion of the address broken up into different areas allowing for hierarchical design and allocation?

Site-local.

Link-local.

Aggregatable Local.

Aggregatable Global

96. (230) Which form is used as a visitor register log to record visitors into restricted areas?

AF Form 1019

AF Form 1109

AF Form 1119

AF Form 1190

97. (231) Which organization assigns communication security incident report case numbers?

Air Force Communications Agency

Air Force Office of Record

Central Office of Records

National Security Agency

98. (201) At what Open System Interconnect layer do network switches and bridges operate?

Network.

Physical.

Data Link.

Transport.

99. (219) Who bears the responsibility for maintenance of the sustaining base portion of the Defense Information System Network?

The service that owns the installation.

Defense Information System Agency.

Infrastructure technicians.

Deployed warfighters.

100. (224) How is responsiveness provided in the Defense Switched Network?

End offices are multiple-homed.

End offices do not interoperate with allied networks.

The DSN offers precedence access thresholding.

The DSN offers single level precedence and preemption.

101. (205) What IPv4 class address is used for multicast addressing?

Class C.

Class D.

Class E.

Class F.

102. (229) Providing a list of where and why the information will be disclosed outside the DOD best describes which mandatory item of a Privacy Act Statement?

Purpose

Authority

Disclosure

Routine use

103. (221) Which is an internet protocol encryption device that can be directly connected to Red local area networks?

KG–84.

KG–194.

KIV–7.

KG175.

104. (223) Besides limiting connections to the Global Information Grid, what other Combat Information Transport Systems initiative will help increase network security?

Establishing a Network Operation and Security Center at each base.

Creating a security baseline across all MAJCOM areas of responsibility.

Fielding standardized tools to all of the MAJCOM Network Operating Security Centers to establish a baseline security model.

Eliminating the MAJCOM NOSC concept and integrating the functions into two Integrated NOSCs.

105. (206) What notation is expressed in leading zero compression for IPv6?

1234:1234:0:0:1234:0:0:1234.

10AB::3:0:1234:5678.

255.255.255.255.

127.0.0.1.

106. (205) What method borrows bits from the host field of an IP address to create a subnet?

Classful Subnet Masking.

Classless Inter-Domain Routing.

Virtual Private Networking.

Virtual Local Area Networking.

107. (229) What form is used as a cover sheet to protect Privacy Act material?

AF Form 2327

AF Form 3217

AF Form 3227

AF Form 3327

108. (233) An unclassified term referring to technical investigations for compromising emanations from electrically operated data processing equipment is known as

Emission security

Communication security

Telecommunications Electronic Material Protected from Emanating Spurious Transmissions

Computer security

109. (235) At which NETOPS level is responsibility for the worldwide management and operational oversight of the defense information infrastructure globally managed?

Tier 1

Tier 2

Tier 3

Tier 4

110. (229) Guidance for posting information on Air Force web sites is outlined in

AFI 33–119

AFI 33–129

AFI 33–219

AFI 33–329

111. (201) At what Open System Interconnect layer are common data compression and encryption schemes used?

Application.

Session.

Presentation.

Transport.

112. (228) Which security program is covered under AFI 10–701?

OPSEC

EMSEC

COMSEC

COMPUSEC

113. (235) At what level do regional operation centers perform Network Operations (NETOPS) to ensure operational and administrative control by implementing Systems and Network Management Information Assurance/Network Defense (IA/NetD), and Information Dissemination Management?

Tier 1

Tier 2

Tier 3

Tier 4

114. (230) Which form is used with a transfer report to accompany a COMSEC package?

SF 135

SF 153

SF 351

SF 531

115. (230) What reference would you use for guidance on Air Force messaging?

AFI 33–119.

AFI 33–129.

AFI 33–219.

AFI 33–329.

116. (234) When a risk of a network system attack has been identified, which condition requires all unclassified dial-up connections be disconnected?

INFOCON 2

INFOCON 3

INFOCON 4

INFOCON 5

117. (236) Which form would you use to properly label removable storage media containing "confidential" information?

SF 706

SF 707

SF 708

SF 710

118. (206) What Unicast address scope operates within a network segment, and will not originate from, or be destined to, an interface that requires a router to direct traffic?

Site-local.

Link-local.

Aggregatable Local.

Aggregatable Global.

119. (229) Official guidance on individual security clearances and permitting access to classified information can be found in

AFI 31–301

AFI 31–401

AFI 31–501

AFI 31–601

120. (232) The Air Force Information Assurance Program is detailed in

AFI 33–100

AFI 33–200

AFI 33–300

AFI 33–400

121. (234) Which condition permits non-essential networks to be taken offline and substituted with alternate methods of communication?

INFOCON 2

INFOCON 3

INFOCON 4

INFOCON 5

122. (236) Which resources designated priority is provided when the level of security requires a reasonable degree of deterrence against hostile acts?

A

B

C

D

123. (234) Which condition requires the mandate of increased monitoring of all network system activities when an increased risk of attack is present?

(234) Which condition requires the mandate of increased monitoring of all network systemINFOCON 2

INFOCON 3

INFOCON 4

INFOCON 5

124. (236) Which resources designated priority is provided when the level of security requires a significant degree of deterrence against hostile acts?

A

B

C

D

3DX5X Volume 2

1. (207) The ability to move about without being tethered by wires in wireless technology is called

2.

What first name or nickname would you like us to use?

2. (215) What are two anti-virus programs that the Air Force uses?

3. (202) What topology combines two or more different physical topologies in a single network?

4. (217) What was the first disk operating system developed to operate on a wide range of computer systems?

5. (213) The classification of a fill device is

6. (223) What concerns slowed the military's adoption of wireless network technology?

7. (204) What type of network connects networks that are typically separated by geographical distances between cities, states, countries, or around the world?

8. (215) The path between the operating system and virtually all hardware not on the computer's motherboard goes through a special program called a

9. (207) Who is an authorized client that may unknowingly or maliciously help outside parties gain access to a network?

10. (207) What organization developed several wireless standards to meet the demands of security, speed, and flexibility of today's wireless networks?

11. (202) What topology consists of devices connected to a common, shared cable?

12. (205) Using a range of 1–126 in the first octet of an IPv4 address, what class does it belong to?

13. (207) What is the type of memory that retains data after power is removed or lost?

14. (211) What is the method called when the entire frame is received and placed into the buffer, an error check is performed, and the frame is sent to the proper port for delivery?

15. (217) What directory is always identified by the slash symbol (/) and is in the "a" partition?

16. (201) What is a formal set of rules and conventions that govern how computers exchange information over a network medium?

17. (202) What topology defines the way in which devices communicate, and data is transmitted, throughout the network?

18. (202) What topology consists of cable segments from each computer connected to a centralized component?

19. (203) Which network protocol has the Department of Defense chosen as its standard to govern the flow of information?

20. (212) What do routing algorithms initialize and maintain to aid the process of path determination?

21. (231) An uninvestigated or unevaluated occurrence that potentially jeopardizes the security of COMSEC material or the secure transmission of government information is best described as a COMSEC

22. (215) Applications are software programs designed to perform what type of tasks?

23. (231) Final reports of a communication security incident are due

24. (225) While you are using the Red Switch, what feature lets you know that you have dialed the correct number at the proper level of security?

25. (204) What type of network makes use of tunneling and security protocols to enables a group of two or more computer systems to communicate over the public Internet?

26. (205) What IPv4 reserved address is used for loop back?

27. (207) Which of the following is not one of the three advantages to using wireless technology?

28. (210) What rule establishes the percent of data that should be local to a segment and the percentage of data that should be destined to traverse a bridge to the other segment?

29. (235) An accreditation decision which allows a system to operate in an environment for which it was originally intended is known as

30. (207) Which landline transmission medium is the primary carrier of voice communications?

31. (207) Which of the following is not one the four security threats to Wireless Local Area Network?

32. (212) Dynamic routing automatically calculates the best path between how many nodes?

33. (201) The Institute of Electrical and Electronics Engineers divide the Open System Interconnect Data Link Layers into what two sublayers?

34. (205) Instead of using binary, how are IPv4 addresses expressed to be more user-friendly?

35. (207) The computing part of the computer is the central processing unit, also called the

36. (209) What do you apply across Liquid Crystal Display material to change the alignment and light polarizing property?

37. (227) The Global Positioning System program is responsible for maintaining GPS time to within how many seconds of universal time code?

38. (207) An optical communications system is comprised of a

39. (210) This type of bridge is used to convert one Data Link layer protocol to another.

40. (233) What best describes an unintended signals or noise appearing external to a piece of communications equipment?

41. (202) What topology defines the layout of a network's devices and media?

42. (203) What application within Transmission Control Protocol/Internet Protocol is used to send and receive files via TCP?

43. (204) Which is a common port that contains Hyper Text Transfer Protocol servers and proxies?

44. (207) What two main components make up the central processing unit?

45. (212) Which of these is an example of an Exterior Gateway Protocol?

46. (214) Analog modems are used over the voice band range of

47. (201) What Open System Interconnect layer is closest to the end user?

48. (203) What Transmission Control Protocol/Internet Protocol network layer protocol provides messaging that can help with troubleshooting?

49. (230) What is the COMSEC program designed to do?

50. (215) The core operating-system function is the management of the computer system which resides with the

51. (232) Which applied discipline applies measures and controls to protect data in computer systems against unauthorized, disclosure, modification, or destruction?

52. (213) What encryption device may you rarely see due to its lower maximum data rate?

53. (214) The main function of the Data Service Unit is to

54. (215) Which one is not a category of the operating system's task categories?

55. (205) How many bits are in an IPv4 address?

56. (205) What is a mechanism that allows a network device to divide an IP address into a network and host number?

57. (205) What is the default classful subnet mask on class B networks?

58. (206) Instead of using binary, how are IPv6 addresses expressed to be more user-friendly?

59. (218) This component of the Global Information Grid consists of those items that are necessary to directly connect the warfighter to the global network

60. (222) What provides conduit for Joint Worldwide Intelligence Communication System data transmission from one location to another?

61. (224) What type of Defense Switched Network precedence call cannot be preempted?

62. (212) What layer of the open system interconnection model do routers operate?

63. (216) One of the Windows Server Editions operating systems provides support for high-end, high traffic applications servers. Which Operating system is it?

64. (217) What is the name of the standard all-purpose shell most commonly used?

65. (223) What is the first step in merging voice, data and video networks into one integrated network within the Air Force?

66. (228) Which of the following security programs is defined as a process of identifying critical information and subsequently analyzing friendly actions attendant to military operations and other activities?

67. (205) What IPv4 class address is used for networks with about 250 nodes?

68. (210) What is a Data Link layer network device that logically separates a single network into two segments or collision domains in Ethernet networks?

69. (234) Which condition exists when there is no apparent terrorist activity against computer networks?

70. (215) Software is generally divided into

71. (221) How are non-internet protocols sent across the Secret Internet Protocol Router Network?

72. (225) What is the maximum asynchronous data rate for the Defense Red Switch Network (DRSN)?

73. (201) What layer of the Open System Interconnect model defines the electrical, mechanical, procedural, and functional specifications for links between communicating network systems?

74. (203) What Transmission Control Protocol/Internet Protocol network layer protocol provides the service of matching a known IP address for a destination device to a Media Access Control address?

75. (203) What Transmission Control Protocol/Internet Protocol transport layer protocol provides reliable data delivery services?

76. (211) What forwarding method is also known as runtless switching?

77. (213) What encryption device is certified to secure all classification levels and categories and is able to encrypt trunk-level high-speed circuits?