Questions with 100% Correct Answers
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)
Metropolitan Area Network (MAN)
During the pinging process what is the ping that is sent out called? (Page 1-6)
Echo message
Which names are reserved by DOS to reserve the first serial and parallel ports,
respectively? (Page 1-6)
COM1 and LPT1
Which term refers to duplicate hardware and network facility segments that are
available at all times? (Page 1-8)
Redundancy
What are the three major types of LAN configurations or topologies? (Page 1-9)
Star, Bus, and Ring
,What is the wiring concentrator which allows workstations to be either inserted
or bypassed on the ring? (Page 1-10)
Multi-station Access Unit (MAU)
What are the two principal network access methods? (Page 1-12)
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)
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)
Open Systems Interconnection (OSI) model
Which layer of the OSI model is the physical layer? (Page 1-14)
1
Which layer of the OSI model is the data link layer? (Page 1-14)
2
Which layer of the OSI model is the network layer? (Page 1-14)
,3
Which layer of the OSI model is the transport layer? (Page 1-15)
4
Which layer of the OSI model is the session layer? (Page 1-15)
5
Which layer of the OSI model is the presentation layer? (Page 1-15)
6
Which layer of the OSI model is the application layer? (Page 1-15)
7
Which layer of the OSI model addresses the electrical, mechanical, and
functional interface to the carrier? (Page 1-14)
Physical
Which layer of the OSI model provides error-free transmission of information
over the physical medium? (Page 1-14)
Data link
, Which layer of the OSI model decides which physical pathway the data should
take? (Page 1-14)
Network
Which layer of the OSI model ensures data units are delivered error-free, in
sequence, with no losses or duplications? (Page 1-15)
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)
Session
Which layer of the OSI model provides a common representation of data that
can be used between the application processes? (Page 1-15)
Presentation
Which layer of the OSI model provides data encryption for privacy and
authentication? (Page 1-15)
Presentation
Which layer of the OSI model represents the services that directly support users
and application tasks? (Page 1-15)
Application