CIT854 TMA

Q1 ……….. links carry discrete signal.
analogue
transmission
digital
hybrid

Q2 Networks ………. the list of accessible resources beyond those provided in most organisations.
expand
minimize
improve
decrease

Q3 The maximum number of nodes that can be attached to an FDDI network is about ………
200
300
400
500

Q4 ……… is used to refer to Ethernet specification for fibre optic
10Base5
10Base2
10BaseFL
10BaseF

Q5 ……… limits the bandwidth of fibre optic cable.
distortion
attenuation
noise
dispersion

Q6 LANs have very …….error rates.
low
high
very low
very high

Q7 10Base-FL is a flavour of …… topology.
bus
star
ring
mesh

Q8 The ……… topology uses CSMA/CD.
bus
star
ring
mesh

Q9 There are basically …….. types of topology.
two
three
four
five

Q10 In ……….. LAN, the entire frequency spectrum of the transmission medium is used to transmit the signal using the concept of time division multiplexing
broadband
baseband
broadcast
none of the above

Q11 A broadband network uses …………. techniques in sending data through the transmission medium.
time division multiplexing
frequency division multiplexing
statistical time division multiplexing
none of the above

Q12 10BaseT is a flavour of ……..topology
bus
star
ring
mesh

Q13 Data exchange between nodes are in units of………..
windows
bytes
grams
frames

Q14 The 5 in 10Base5 indicates …………
rate of transmission
total segment length
total network length
none of the above

Q15 Digital signalling in optical fibre is by ……… different power levels of light
two
three
four
five

Q16 The ……… protocol that the ring topology uses is called token ring
MAC
UDP
TCP
CSMA/CD

Q17 4B/5B encoding attempts to address the inefficiency of the ……… encoding
non-return to zero (NRZ)
return to zero (RZ)
Manchester
bipolar

Q18 Fast Ethernet network supports …….. Mbps
10
32
100
1000

Q19 The most difficult cable to connect together is ……….
coaxial,
unshielded twisted pair
fibre optic
shielded twisted pair

Q20 ………. is most often used in implementing enterprise network with multiple network operating system
Windows NT
UNIX
Windows XP
Windows Vista

Q21 Class …….. network are reserved for experiments
C
D
B
E

Q22 IP address works at the ……… layer of the internet model
transport
Internet
Application process
Network-access

Q23 ………. is a connectionless approach
UDP
TCP
ICMP
SMTP

Q24 The 16-bit field of the IP packet that helps ensure IP packet integrity is called ……… checksum
error
data
header
parity

Q25 The TCP/IP architecture consists of ……… layers
seven
three
four
five

Q26 The second layer of the TCP/IP architecture is ………. layer
transport
internet
application
network

Q27 ……… convergence is the characteristic of RIP
high
low
fast
slow

Q28 Internet checksum algorithm for error detection is not used at ………. level
network
transport
application
link

Q29 The ……. flavour of star topology is susceptible to noise
10BaseT
10BaseFL
10Base5
10Base2

Q30 The ……… layer of the TCP/IP architecture is application process layer
first
second
fourth
fifth

Q31 ………. is the most difficult to install out of all the cables
coaxial
unshielded twisted pair
fibre optic
shielded twisted pair

Q32 Manchester encoding is considered only ……… efficient
0.5
0.6
0.7
0.8

Q33 A MODEM can be regarded as a network ………
socket
adaptor
card
plug

Q34 ………… is used in OSPF to ask for data that a router has discovered missing from its routing information
Hello message
database descriptor
link state refused
link state

Q35 The FL in 10BaseFL stands for ……… cable
twisted pair
coaxial
thinnet
fibre

Q36 The release of ………. Reno brought changes to the sockets API
4.1BSD
4.2BSD
4.3BSD
4.4BSD

Q37 Resource sharing is the ………. purpose of networking
first
second
third
fourth

Q38 The thick Ethernet is referred to as ………
10BaseT
10BaseFL
10Base5
10Base2

Q39 The concentric layer of glass in optical fibre is called ………
padding
shielding
cladding
insulation

Q40 The simplest type of topology in terms of implementation is ……….
bus
mesh
star
ring

Q41 ________ layer of the OSI reference model creates and recognizes frame boundaries.
physical
data-link
network
transport

Q42 The rate at which signal changes in _________ encoding is called the linkâ??s baud rate
non-return to zero (NRZ)
return to zero (RZ)
Manchester
bipolar

Q43 The maximum number of nodes that can be attached to an FDDI network is about _________.
200
300
400
500

Q44 __________ is used to refer to Ethernet specification for fibre optic
10Base5
10Base2
10BaseF
10BaseFL

Q45 __________ limits the bandwidth of fibre optic cable.
distortion
dispersion
attenuation
noise

Q46 The ________ is referred to as 10 Base5.
thicknet
thinnet
twisted pair
coaxial

Q47 10Base-FL is a flavour of ______ topology.
ring
star
mesh
bus

Q48 The major implementation of ______ topology are the thick Ethernet (10Base5)
ring
star
mesh
bus

Q49 There are basically ________ types of topology.
two
three
four
five

Q50 >__________ transmission allows dataflow in one direction
simplex
half-duplex
full-duplex
duplex

Q51 A broadband network uses _____________ techniques in sending data through the transmission medium.
time division multiplexing
frequency division multiplexing
statistical time division multiplexing
none of the above

Q52 __________ are examples of operating system with built in networking features.
Novell Netware
UNIX
MS-DOS
all of the above

Q53 Data exchange between nodes are in units of___________.
frames
windows
bytes
grams

Q54 Connectivity is an important design consideration in ________.
MAN
WAN
BAN
LAN

Q55 Propagation delay in __________ is negligible.
LANs
MANs
WANs
WWW

Q56 _________ are characterised by significant propagation delay in message transmission.
LANs
MANs
WANs
BANs

Q57 Is every characteristic of a network system an advantage?
yes
no
it depends
none of the above

Q58 The principal traits of networks are __________ related to the distance covered.
directly
partially
indirectly
totally

Q59 In dedicated systems networked environment each user gets access to resource needed and the idle time is_____________
maximized
minimized
optimized
increased

Q60 Communication system that links computers and computer resources in the same way that telephone system link telephone is called ___________
network
telecommunication
media
all of the above

Q61 The 16-bit field of the IP packet that helps ensure IP packet integrity is called ……… checksum
error
data
header
parity

Q62 Class ……… networks addresses starts with a number between 240 and 255
B
A
C
E

Q63 Internet checksum algorithm for error detection is not used at ………. level
network
link
transport
application

Q64 The ……. flavour of star topology is susceptible to noise
10Base5
10Base2
10BaseFL
10BaseT

Q65 Propagation delay in ……. is negligible
WANs
MANs
LANs
WWW

Q66 The FL in 10BaseFL stands for ……… cable
twisted pair
coaxial
thinnet
fibre

Q67 IP routing specifies that IP datagrams travels through internetworks ……. hop at a time
one
two
three
four

Q68 The second layer of the TCP/IP architecture is ………. layer
transport
internet
network
application

Q69 ……… convergence is the characteristic of RIP
fast
low
high
slow

Q70 ……. is the last line of defence in an end-to-end protocol
parity
checksum
gateway
firewall

Q71 ……. are paths for data to move between different components inside a computer
channels
streams
cables
buses

Q72 The concentric layer of glass in optical fibre is called ……….
padding
shielding
cladding
insulation

Q73 ………. address is a combination of the IP address and the port used for communication
packet
software
circuit
socket

Q74 The ……… layer of the TCP/IP architecture is application process layer
first
second
third
fourth

Q75 Another name for link layer address is ……… address
software
middleware
firmware
hardware

Q76 Manchester encoding is considered only ……… efficient
0.5
0.6
0.7
0.9

Q77 A MODEM can be regarded as a network ………
socket
adaptor
plug
card

Q78 The 10 in 10Base5 indicates ………..
rate of transmission
maximum network length
maximum segment length
noise immunity level

Q79 Class ……..- networksâ?? host address field has 24 bits
B
A
C
E

Q80 The ……….. argument of the listen function specifies the maximum number of connections that the kernel should queue for this socket
first
second
third
fourth

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