IT2 STUDY ADVANCEMENT EXAM | 734 Questions and Answers (100%Verified Answers) 2024/2025.

IT2 STUDY ADVANCEMENT EXAM | 734 Questions and Answers (100%Verified Answers) 2024/2025. Which type of network are the workstations basewide as in one command connected to another command or one base connected to another base? (Page 1-1) Correct Answer: Metropolitan Area Network (MAN) During the pinging process what is the ping that is sent out called? (Page 1-6) Correct Answer: Echo message Which names are reserved by DOS to reserve the first serial and parallel ports, respectively? (Page 1-6) Correct Answer: COM1 and LPT1 Which term refers to duplicate hardware and network facility segments that are available at all times? (Page 1-8) Correct Answer: Redundancy What are the three major types of LAN configurations or topologies? (Page 1-9) Correct Answer: Star, Bus, and Ring What is the wiring concentrator which allows workstations to be either inserted or bypassed on the ring? (Page 1-10) Correct Answer: Multi-station Access Unit (MAU) What are the two principal network access methods? (Page 1-12) Correct Answer: Contention and Token passing Which control procedure sends multiple blocks of data and returns a single acknowledgement for many blocks, thereby increasing the amount of time spent transmitting data? (Page 1-12) Correct Answer: SDLC What provides a basis for coordinating the development of standards that relate to the flexible interconnection of incompatible systems using data communications facilities? (Page 1-13) Correct Answer: Open Systems Interconnection (OSI) model Which layer of the OSI model is the physical layer? (Page 1-14) Correct Answer: 1 Which layer of the OSI model is the data link layer? (Page 1-14) Correct Answer: 2 Which layer of the OSI model is the network layer? (Page 1-14) Correct Answer: 3 Which layer of the OSI model is the transport layer? (Page 1-15) Correct Answer: 4 IT2 STUDY ADVANCEMENT EXAM | 734 Questions and Answers (100%Verified Answers) 2024/2025. Which layer of the OSI model is the session layer? (Page 1-15) Correct Answer: 5 Which layer of the OSI model is the presentation layer? (Page 1-15) Correct Answer: 6 Which layer of the OSI model is the application layer? (Page 1-15) Correct Answer: 7 Which layer of the OSI model addresses the electrical, mechanical, and functional interface to the carrier? (Page 1-14) Correct Answer: Physical Which layer of the OSI model provides error-free transmission of information over the physical medium? (Page 1-14) Correct Answer: Data link Which layer of the OSI model decides which physical pathway the data should take? (Page 1-14) Correct Answer: Network Which layer of the OSI model ensures data units are delivered error-free, in sequence, with no losses or duplications? (Page 1-15) Correct Answer: Transport Which layer of the OSI model performs the functions that enable two applications to communicate across the network, performing security, name recognition, logging, administration, and other similar functions? (Page 1-15) Correct Answer: Session Which layer of the OSI model provides a common representation of data that can be used between the application processes? (Page 1-15) Correct Answer: Presentation Which layer of the OSI model provides data encryption for privacy and authentication? (Page 1- 15) Correct Answer: Presentation Which layer of the OSI model represents the services that directly support users and application tasks? (Page 1-15) Correct Answer: Application What are the two most common types of twisted-pair media? (Page 1-16) Correct Answer: 22 and 24 gauge What is the transmission rate of a T1 line? (Page 1-16) Correct Answer: 1.5 Mbps What is the transmission rate of a T2 line? (Page 1-16) Correct Answer: 6.3 Mbps What is the transmission rate of a T3 line? (Page 1-16) Correct Answer: 46 Mbps What is the transmission rate of a T4 line? (Page 1-16) Correct Answer: 281 Mbps Which layer of the OSI model do routers work on? (Page 2-2) Correct Answer: 3 Which layer of the OSI model do gateways work on? (Page 2-2) Correct Answer: 7 Which device serves as a common termination point that can relay signals along the appropriate paths? (Page 2-3) Correct Answer: Hub Which type of transmission media is immune to interference caused by electrical or electronic devices? (Page 2-4) Correct Answer: Fiber Which type of cable refers to the cable that forms the main trunk of a network? (Page 2-8) Correct Answer: Backbone How many different types of backbone cable are recognized by EIA/TIA-568? (Page 2-8) Correct Answer: 4 Which type of servers can be used as both a server and a workstation? (Page 2-10) Correct Answer: Non-dedicated What is defined as the decrease in signal strength, measured in decibels (dB) per 100 feet? (Page 3-6) Correct Answer: Attenuation What is used to try to eliminate the effects of certain types of distortions on the signal? (Page 3- 6) Correct Answer: Line conditioning Which device is used to test the integrity of a section of cable before the cable is even unwound? (Page 3-6) Correct Answer: Time Domain Reflectometry (TDR) What is ACP 125 for? Correct Answer: Prescribe Voice Procedures for use by the armed forces of Allied Nations on secure and insecure tactical voice nets What is a Callsign? Correct Answer: Figures, letters, or combinations of both used to identify a COMMs station, an organization, or an individual on a radio net. What information is it Mandatory to encode? (6 Items) Correct Answer: Positions identifying location of friendly forces or enemy locations (If gathered by stealth) Start Lines Routes Harbors and tides Timings Future Intentions What is the collective title for the measures taken to protect all aspects of Communications in order to deny information and intelligence to an enemy? Correct Answer: COMSEC .