Why are networking standards needed?
A Many networks now cover a wide geographic area
B Technologies must be compatible to allow communication
C Hardware
and software are continually being redesigned
D LANs,
MANs, and WANs use different kinds of equipment
What business problems resulting from the
proliferation of standalone computers did networks solve?
A Inability to communicate and lack of management
B Losses
due to lack of business by common carriers
C Inefficient
use of information technology professionals
D Increasing
level of electromagnetic interference
Bulletin boards were used in the 1980s. Which
of these statements about them are true? (Choose three)
A The bulletin board computer needed a separate modem and phone
line for each connection
B They were of limited use because users could not upload
files
C Users could upload and download files as well as leave and
pick up messages
D Bulletin boards became very popular with the general public
E Bulletin boards were displayed as web pages using HTML
F Users had to know the location of the bulletin board before
they could use it
Which of these technologies are most likely to be used on a wide area
network? (Choose three)
A Ethernet
B Frame relay
C Token ring
D FDDI
F Modem
Which of the
following are advantages of using a LAN ?(Choose three)
A provides full time connectivity to
local services
B uses proprietary devices from a single vendor to ensure compatibility
C provides access to high bandwidth media
D provides connections to remote computers
E allows users to share files and
printers
F uses ISDN services for speed
Which type of network is intended
for use over intermediate distances, such as between buildings within a city?
A LAN
B MAN
C SAN
D WAN
A company plans to have some
employees logging into the company network from their homes. Security measures
are needed. Which technology should be used?
A Intranet
VPN
B Extranet
VPN
C Access
VPN
D Wide area VPN
Which is an advantage of a mesh topology?
A There are more connections so that a
greater number of protocols can be used
B Cheaper forms of cabling can be used
C There are many paths for data to flow
along so that it can survive damage
D Hosts
must take it in turns to put data on the cables so that messages do not get
confused
What do token ring and FDDI networks have in common?
A They both have a double ring physical
topology
B They both have a single ring physical
topology
C They both allow ‘first come first
served’ access to the medium
D They both control access to the medium
by passing a token
Which of the following are multi-port devices?
(Choose two)
A Router
B Hub
C Repeater
D NIC
E Switch
F Bridge
Which of the following best defines standards?
A A set of rules or procedures that are
either widely used or officially specified
B A connection of computers, printers
and other devices for purposes of communication
C A set of rules that govern how computer
workstations exchange information
D A device that is connected to a
computer to perform auxiliary
functions
In a description of
bandwidth that uses the analogy of lanes on roads, which of the following
represents bandwidth?
A The vehicles driving on the road
B The traffic signals
C The number of lanes on the road
D The number of junctions and roundabouts
Kbps, Mbps and Gbps are commonly used to
measure
A analogue bandwidth
B digital bandwidth
C wireless network frequencies
D network topologies
Which of the following are most likely to cause
throughput to be less than maximum bandwidth? (Choose three)
A Number of users on the network
B Bandwidth of fastest link involved
C Topology of networks over which data
passes
D Password settings at user’s PC
E Type of data being transferred
F Type of protocol used
What information do you need in order to calculate
best possible transfer times? (Choose two)
A Length of transmission medium
B Bandwidth of the medium
C Standards used in specifying the medium
D File size
E File type
F Name of protocol data unit
Which of the
following is the approximate amount of time it would take to transmit 50
megabytes of data on a T1 link?
A 2.6 seconds
B 26 seconds
C 260 seconds (4 minutes 20 seconds)
D 26 minutes
What is a host?
A The network medium, e.g. copper cable
B A file server providing access to
storage for the network
C A computer or other end user device on
the network
D A network that allows remote access by
telecommuters
What are the advantages of using the OSI model?
(Choose three)
A Provides vendors with standards to
ensure greater compatibility between devices
B Allows designers to work in a modular
way, concentrating on one level at a time
C Improves security for network managers
D Makes teaching and learning about
networking easier
E Improves communication by allowing
greater bandwidth
F Allows users to send and receive data
over the Internet
The frame is the pdu at which OSI layer?
A Layer 2
B Layer 3
C Layer 4
D Layer 5
Which protocols are used at the
transport layer of the TCP/IP model? (Choose two)
A TCP
B HTTP
C FTP
D UDP
F SMTP
Which layer of the OSI model deals with logical
addresses and routing across internetworks?
A Physical
B Data link
C Network
D Transport
E Session
F Presentation
G Applications
Which layer of the OSI model encapsulates
packages into frames?
A Physical
B Data link
C Network
D Transport
E Session
F Presentation
G Applications
Which layer of the OSI model encapsulates
segments into packages?
A Physical
B Data link
C Network
D Transport
E Session
F Presentation
G Applications
Which layer of the OSI model starts, manages
and finishes communication sessions and provides a service to the presentation
layer?
A Physical
B Data link
C Network
D Transport
E Session
F Presentation
G Applications
Which layer of the OSI model handles
data compression, encryption, and can translate between different file formats?
A Physical
B Data link
C Network
D Transport
E Session
F Presentation
G Applications
Which layer of the OSI model is concerned with
physical addresses?
A Physical
B Data link
C Network
D Transport
E Session
F Presentation
G Applications
What is encapsulation?
A Splitting
up data into segments so that it exists in units that are the right size for
transport
B Compressing
data for more efficient transport
C Moving
data in groups so that all the segments stay together
D Wrapping
up of data by adding extra information at the beginning and sometimes also at
the end
Which of the following are
application layer protocols of the TCP/IP model? (Choose three)
A TCP
B IP
C HTTP
D FTP
F TFTP
Which layer of the OSI model is
equivalent to the Internet layer of the TCP/IP model?
A Physical
B Data
link
C Network
D Transport
E Session
F Presentation