COMPLETE QUESTIONS WITH 100%
OUTLINED ANSWERS
\Q\.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) - ANSWERS✔-
Metropolitan Area Network (MAN)
\Q\.During the pinging process what is the ping that is sent out called? (Page 1-6) - ANSWERS✔-
Echo message
\Q\.Which names are reserved by DOS to reserve the first serial and parallel ports, respectively?
(Page 1-6) - ANSWERS✔-COM1 and LPT1
\Q\.Which term refers to duplicate hardware and network facility segments that are available at
all times? (Page 1-8) - ANSWERS✔-Redundancy
\Q\.What are the three major types of LAN configurations or topologies? (Page 1-9) -
ANSWERS✔-Star, Bus, and Ring
\Q\.What is the wiring concentrator which allows workstations to be either inserted or
bypassed on the ring? (Page 1-10) - ANSWERS✔-Multi-station Access Unit (MAU)
,\Q\.What are the two principal network access methods? (Page 1-12) - ANSWERS✔-Contention
and Token passing
\Q\.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) - ANSWERS✔-SDLC
\Q\.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) - ANSWERS✔-Open Systems Interconnection (OSI) model
\Q\.Which layer of the OSI model is the physical layer? (Page 1-14) - ANSWERS✔-1
\Q\.Which layer of the OSI model is the data link layer? (Page 1-14) - ANSWERS✔-2
\Q\.Which layer of the OSI model is the network layer? (Page 1-14) - ANSWERS✔-3
\Q\.Which layer of the OSI model is the transport layer? (Page 1-15) - ANSWERS✔-4
\Q\.Which layer of the OSI model is the session layer? (Page 1-15) - ANSWERS✔-5
\Q\.Which layer of the OSI model is the presentation layer? (Page 1-15) - ANSWERS✔-6
\Q\.Which layer of the OSI model is the application layer? (Page 1-15) - ANSWERS✔-7
\Q\.Which layer of the OSI model addresses the electrical, mechanical, and functional interface
to the carrier? (Page 1-14) - ANSWERS✔-Physical
,\Q\.Which layer of the OSI model provides error-free transmission of information over the
physical medium? (Page 1-14) - ANSWERS✔-Data link
\Q\.Which layer of the OSI model decides which physical pathway the data should take? (Page
1-14) - ANSWERS✔-Network
\Q\.Which layer of the OSI model ensures data units are delivered error-free, in sequence, with
no losses or duplications? (Page 1-15) - ANSWERS✔-Transport
\Q\.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) - ANSWERS✔-Session
\Q\.Which layer of the OSI model provides a common representation of data that can be used
between the application processes? (Page 1-15) - ANSWERS✔-Presentation
\Q\.Which layer of the OSI model provides data encryption for privacy and authentication?
(Page 1-15) - ANSWERS✔-Presentation
\Q\.Which layer of the OSI model represents the services that directly support users and
application tasks? (Page 1-15) - ANSWERS✔-Application
\Q\.What are the two most common types of twisted-pair media? (Page 1-16) - ANSWERS✔-22
and 24 gauge
\Q\.What is the transmission rate of a T1 line? (Page 1-16) - ANSWERS✔-1.5 Mbps
, \Q\.What is the transmission rate of a T2 line? (Page 1-16) - ANSWERS✔-6.3 Mbps
\Q\.What is the transmission rate of a T3 line? (Page 1-16) - ANSWERS✔-46 Mbps
\Q\.What is the transmission rate of a T4 line? (Page 1-16) - ANSWERS✔-281 Mbps
\Q\.Which layer of the OSI model do routers work on? (Page 2-2) - ANSWERS✔-3
\Q\.Which layer of the OSI model do gateways work on? (Page 2-2) - ANSWERS✔-7
\Q\.Which device serves as a common termination point that can relay signals along the
appropriate paths? (Page 2-3) - ANSWERS✔-Hub
\Q\.Which type of transmission media is immune to interference caused by electrical or
electronic devices? (Page 2-4) - ANSWERS✔-Fiber
\Q\.Which type of cable refers to the cable that forms the main trunk of a network? (Page 2-8) -
ANSWERS✔-Backbone
\Q\.How many different types of backbone cable are recognized by EIA/TIA-568? (Page 2-8) -
ANSWERS✔-4
\Q\.Which type of servers can be used as both a server and a workstation? (Page 2-10) -
ANSWERS✔-Non-dedicated
\Q\.What is defined as the decrease in signal strength, measured in decibels (dB) per 100 feet?
(Page 3-6) - ANSWERS✔-Attenuation