CDC 3DX5X Vol 2 UREs: Networking And Security Sample Test
(70).jpg "CDC 3DX5X Vol 2 UREs: Networking And Security Sample Test")
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- 1.What layer of the Open System Interconnect model defines the electrical, mechanical,procedural, and functional specifications for links between communicating network systems?
- A.
Physical
- B.
Data Link
- C.
Network
- D.
Transport
- 2.The Institute of Electrical and Electronics Engineers divide the Open System Interconnect Data Link Layers into what two sublayers?
- A.
High Level Data Link Control and Synchronous Data Link Control
- B.
Logical Link Control and Media Access Control
- C.
Distance Vector and Link State
- D.
RS-232 and RS-530
- 3.At what Open System Interconnect layer do network switches and bridges operate?
- A.
Network
- B.
Physical
- C.
Data Link
- D.
Transport
- 4.At what Open System Interconnect layer do routers operate?
- A.
Network
- B.
Physical
- C.
Data Link
- D.
Transport
- 5.At what Open System Interconnect layer are common data compression and encryption schemes used?
- A.
Application
- B.
Session
- C.
Presentation
- D.
Transport
- 6.What Open System Interconnect layer is closest to the end user?
- A.
Application
- B.
Session
- C.
Presentation
- D.
Transport
- 7.What is a formal set of rules and conventions that govern how computers exchangeinformation over a network medium?
- A.
Specification
- B.
Standard
- C.
Etiquette
- D.
Protocol
- 8.What topology defines the layout of a network’s devices and media?
- A.
Physical
- B.
Logical
- C.
Star
- D.
Hybrid
- 9.What topology defines the way in which devices communicate, and data is transmitted,throughout the network?
- A.
Physical
- B.
Logical
- C.
Star
- D.
Hybrid
- 10.What topology consists of devices connected to a common, shared cable?
- A.
Bus
- B.
Ring
- C.
Star
- D.
Hybrid
- 11.What topology consists of cable segments from each computer connected to a centralized component?
- A.
Bus
- B.
Ring
- C.
Star
- D.
Hybrid
- 12.What topology combines two or more different physical topologies in a single network?
- A.
Bus
- B.
Ring
- C.
Star
- D.
Hybrid
- 13.Which network protocol has the Department of Defense chosen as its standard to govern theflow of information?
- A.
AppleTalk
- B.
NetBIOS Extended User Interface
- C.
Transport Control Protocol/Internet Protocol
- D.
Internetwork Packet Exchange/ Sequenced Packet Exchange
- 14.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?
- A.
Internet Protocol
- B.
Address Resolution Protocol
- C.
Reverse Address Resolution Protocol
- D.
Internet Control Message Protocol
- 15.What Transmission Control Protocol/Internet Protocol network layer protocol provides the IP address for a device that knows its own MAC address ?
- A.
Internet Protocol
- B.
Address Resolution Protocol
- C.
Reverse Address Resolution Protocol
- D.
Internet Control Message Protocol
- 16.What Transmission Control Protocol/Internet Protocol network layer protocol provides messaging that can help with troubleshooting?
- A.
Internet Protocol
- B.
Address Resolution Protocol
- C.
Reverse Address Resolution Protocol
- D.
Internet Control Message Protocol
- 17.What Transmission Control Protocol/Internet Protocol transport layer protocol provides reliable data delivery services?
- A.
Internet Protocol
- B.
User Datagram Protocol
- C.
Transmission Control Protocol
- D.
Internet Control Message Protocol
- 18.What application within Transmission Control Protocol/Internet Protocol is used to send and receive files via TCP?
- A.
File Transfer Protocol
- B.
Trivial File Transfer Protocol
- C.
Simple Mail Transfer Protocol
- D.
HyperText Transfer Protocol
- 19.What type of network connects networks that are typically separated by geographical distances between cities, states, countries, or around the world?
- A.
Local Area Network
- B.
Wide Area Network
- C.
Virtual Private Network
- D.
Metropolitan Area Network
- 20.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?
- A.
Local Area Network
- B.
Wide Area Network
- C.
Virtual Private Network
- D.
Metropolitan Area Network
- 21.Which is a common port that contains Hyper Text Transfer Protocol servers and proxies?
- A.
Port 80
- B.
Port 110
- C.
Port 443
- D.
Port 8080
- 22.How many bits are in an IPv4 address?
- A.
16 bits
- B.
32 bits
- C.
64 bits
- D.
128 bits
- 23.Instead of using binary, how are IPv4 addresses expressed to be more user-friendly?
- A.
Colon Hexadecimal Format
- B.
Dotted Decimal Notation
- C.
Hexadecimal
- D.
Octal
- 24.Using a range of 1–126 in the first octet of an IPv4 address, what class does it belong to?
- A.
Class A
- B.
Class B
- C.
Class C
- D.
Class D
- 25.What IPv4 class address is used for networks with about 250 nodes?
- A.
Class C
- B.
Class D
- C.
Class E
- D.
Class F
Questions: 100 | Attempts: 10711 | Last updated: Jun 14, 2021
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Sample QuestionWhat layer of the Open System Interconnect model defines the electrical, mechanical, procedural, and functional specifications for links between communicating network systems?
Questions: 224 | Attempts: 3612 | Last updated: Jan 10, 2022
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Sample QuestionWhich enlisted training element is assigned by the supervisor in accordance with (IAW) AFI 36-2201,Classifying Military Personnel (officer and Enlisted)?
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