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CN MCQ - UNIT 1
CN MCQ - UNIT 1
50 terms
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StudBud Administration
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Quiz on the basics of computer networks
Flashcards
50 cards
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Practice quiz
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Questions
50
Answers
1
The first Network is _______
ASAPNET
NSFNET
CNNET
ARPANET
2
which answer shows an advantage of Networks?
managing a large network is easy
Files can be shared between users
software licences may be cheaper
no possibility of hacking
3
Which transmission media has the highest transmission speed in a network?
coaxial cable
electrical cable
optical fiber
twisted pair cable
4
A list of protocols used by a system, one protocol per layer, is called
protocol suite
none of the mentioned
protocol architecture
protocol stack
5
Which of these is a Topology?
Comet
Star
Sun
Moon
6
This topology requires multipoint connection
Bus
Mesh
Ring
Star
7
Three or more devices share a link in ________ connection
Unipoint
Multipoint
None of the mentioned
Point to point
8
Which is the fifth layer in OSI model?
Session layer
Data link layer
Presentation layer
Network layer
9
Host sends a data packet to a network, the _____ copies the data packet to all of its ports connected to
bridge
switch
router
hub
10
In which topology there is a central controller or hub?
Star
Bus
Ring
Mesh
11
What does LAN stand for?
Last Action Network
Local Australian Network
Local Area Network
Losing All Nachos
12
Communication channel is shared by all the machines on the network in
unicast network
multicast network
broadcast network
none of the mentioned
13
The _______ is the physical path over which a message travels
Path
Protocol
Route
Medium
14
What does WAN stand for?
Wide Area Network
Wise Area Network
World and Network
Word area network
15
An endpoint of an inter-process communication flow across a computer network is called
protocol
pipe
port
socket
16
Communication between a computer and a keyboard involves ______________ transmission
Simplex
Half-duplex
Full-duplex
Automatic
17
A set of rules that governs data communication
Protocols
Standards
RFCs
None of the mentioned
18
Which is not the function of data link layer?
Error Control
Flow control
Framing
Routing
19
Expand TCP / IP
transmission control protocol / internet protocol
transfer control protocol / internet protocol
transmission control protocol / isolate protocol
transmission carrier protocol / internet protocol
20
Bluetooth is the wireless technology an example of
local area network
Storage area network
virtual private network
personal area network
21
An endpoint of an inter-process communication flow across a computer network is called
socket
port
pipe
protocol
22
Electronic mail uses which Application layer protocol?
SMTP
HTTP
FTP
SIP
23
A _____ is a network device which is responsible for forwarding packet from one to another network
switch
router
hub
gateway
24
If a router connects 2 different types of networks, then a _____ connects 2 subnetworks as a part of the same network
router
switch
hub
bridge
25
What can network computers share?
Hardware and Software
packets and files
Data
Hardware, Software and Data
26
Why go for protocol layering?
None of these
Enables a security
Enables job easier
Enables divide a complex task to simpler
27
The packet of information at the application layer is called __________
Packet
Frame
Segment
Message
28
When a packet is received at one of the interfaces of the ____, it filters the packet & sends only to exact receiver
hub
gateway
switch
router
29
which answer shows an disadvantage of Networks
a danger of hacking
network connect wirelessly
files can't be shared between users
data is hard to backup
30
What is a computer network?
a single computer
a mobile phone
a potato
a number of computers linked together
31
Which of the following is not the layer of TCP / IP protocol?
Physical layer
link layer
network layer
transport layer
32
In the layer hierarchy as the data packet moves from the upper to the lower layers, headers are
Removed
Modified
Added
Rearranged
33
Which is not the network criteria?
Performance
Protection
Accuracy
Multiplexing
34
The network layer concerns with
messages
packets
frames
bits
35
Network congestion occurs
when connection between two nodes terminates
when a system terminates
in case of error correction
in case of traffic overloading
36
The structure or format of data is called
Struct
None of the mentioned
Semantics
Syntax
37
Which layer process is node to node delivery?
transport layer
network layer
Data link layer
Physical layer
38
Which of this is not a guided media?
Wireless LAN
Fiber optical cable
Copper wire
Coaxial cable
39
What are most WAN's made up of?
Several LAN's connected together
thousands of wifi signals
one computer
one huge server
40
Which is not the components of data communication?
Transmission medium
Protocol
Sender & receiver
Transmission mode
41
The design issue of Datalink Layer in OSI Reference Model is
Representation of bits
Connection control
Synchronization of bits
Framing
42
Expand ISO/OSI
International standard organization / open system interconnection
International standard organization / open service interconnection
International system organization / open standard interconnection
International service organization / open system interconnection
43
A __________ is a device that forwards packets between networks by processing the routing information included in the pa
router
switch
firewall
bridge
44
Which one of the following is a transport layer protocol used in networking?
UDP
Both TCP and UDP
TCP
ARP
45
When displaying a web page, the application layer uses the _____________
TCP protocol
FTP protocol
SMTP protocol
HTTP protocol
46
What area would best describe the range a LAN covers?
Large Area, e.g - State Capital
Small Area, e.g - College
Huge Area, e.g -National Capital
Tiny Area, e.g- a classroom
47
The physical layer concerns with
application to application delivery
node to node delivery
bit-by-bit delivery
process to process delivery
48
Which is not an application layer protocol?
HTTP - Hyper Text Transfer Protocol
FTP - File Transfer Protocol
TCP - Transmission Control Protocol
SMTP - Simple Mail Transfer Protcol
49
What is a Server?
A powerful computer that provides services to a network
allows users to access the internet
something that serves you items
a computer
50
What is a Topology?
A Drink
A Type of Clothing
Something that Connects to a Network
A Network Layout
