IT2 STUDY ADVANCEMENT EXAM | 734 QUESTIONS WITH 100% CORRECTET DETAILED QUESTIONS AND VERIFIED ANSWERS| GRADED A+

IT2 STUDY ADVANCEMENT EXAM | 734 QUESTIONS
WITH 100% CORRECTET DETAILED QUESTIONS
AND VERIFIED ANSWERS| GRADED A+

Which layer of the OSI model addresses the electrical, mechanical, and functional
interface to the carrier? (Page 1-14) - ............ANSWER.............. Physical


Which layer of the OSI model provides error-free transmission of information over
the physical medium? (Page 1-14) - ............ANSWER.............. Data link


Which layer of the OSI model decides which physical pathway the data should
take? (Page 1-14) - ............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) - ............ANSWER..............
Transport


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) -
............ANSWER.............. Metropolitan Area Network (MAN)


During the pinging process what is the ping that is sent out called? (Page 1-6) -
............ANSWER.............. Echo message


Which names are reserved by DOS to reserve the first serial and parallel ports,
respectively? (Page 1-6) - ............ANSWER.............. COM1 and LPT1


Which term refers to duplicate hardware and network facility segments that are
available at all times? (Page 1-8) - ............ANSWER.............. Redundancy

,What are the three major types of LAN configurations or topologies? (Page 1-9) -
............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) - ............ANSWER.............. Multi-station
Access Unit (MAU)


What are the two principal network access methods? (Page 1-12) -
............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) - ............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) - ............ANSWER.............. Open Systems Interconnection
(OSI) model


Which layer of the OSI model is the physical layer? (Page 1-14) -
............ANSWER.............. 1


Which layer of the OSI model is the data link layer? (Page 1-14) -
............ANSWER.............. 2


Which layer of the OSI model is the network layer? (Page 1-14) -
............ANSWER.............. 3

,Which layer of the OSI model is the transport layer? (Page 1-15) -
............ANSWER.............. 4


Which layer of the OSI model is the session layer? (Page 1-15) -
............ANSWER.............. 5


Which layer of the OSI model is the presentation layer? (Page 1-15) -
............ANSWER.............. 6


Which layer of the OSI model is the application layer? (Page 1-15) -
............ANSWER.............. 7




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) -
............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) -
............ANSWER.............. Presentation


Which layer of the OSI model provides data encryption for privacy and
authentication? (Page 1-15) - ............ANSWER.............. Presentation


Which layer of the OSI model represents the services that directly support users
and application tasks? (Page 1-15) - ............ANSWER.............. Application

, What are the two most common types of twisted-pair media? (Page 1-16) -
............ANSWER.............. 22 and 24 gauge


What is the transmission rate of a T1 line? (Page 1-16) -
............ANSWER.............. 1.5 Mbps


What is the transmission rate of a T2 line? (Page 1-16) -
............ANSWER.............. 6.3 Mbps


What is the transmission rate of a T3 line? (Page 1-16) -
............ANSWER.............. 46 Mbps


What is the transmission rate of a T4 line? (Page 1-16) -
............ANSWER.............. 281 Mbps


Which layer of the OSI model do routers work on? (Page 2-2) -
............ANSWER.............. 3


Which layer of the OSI model do gateways work on? (Page 2-2) -
............ANSWER.............. 7


Which device serves as a common termination point that can relay signals along
the appropriate paths? (Page 2-3) - ............ANSWER.............. Hub


Which type of transmission media is immune to interference caused by electrical
or electronic devices? (Page 2-4) - ............ANSWER.............. Fiber


Which type of cable refers to the cable that forms the main trunk of a network?
(Page 2-8) - ............ANSWER.............. Backbone