Font size
WorksheetsComputer Networks Quiz 2
Total questions: 20
Worksheet time: 10mins
Recall the IEEE standard used in wireless LAN
IEEE 802.11
IEEE 802.3
IEEE 802.4
IEEE 802.12
Name the data present in Data link layer layer
Frame
Segment
Data gram
packet
Show an example of circuit switched network?
Public telephone network
Pager system
Internet
TV Broadcast system
Which switching method has dedicated connection between two systems?
Packet switching
Datagram switching
Message switching
Circuit switching
Which one of the following provides unreliable data transfer?
TCP
IP
ICMP
UDP
Which one of the provides internet connection-oriented service?
UDP
TCP
IP
ICMP
Select a transmission media which is immune to electromagnetic noise
Optical fibers
Twisted Pair
Coaxial Cable
Satellite Communication
Define transmission delay
packet Length/bandwidth
Bandwidth/Packet length
Packet length/speed
Physical length/bandwidth
Tell the delay measurement method from source to destination
Tranceroute
Delay
Loss
Throughput
Ø ---------- policies are applied to prevent congestion before it happens .
Closed loop congestion control policies
Open loop congestion control policies
implicit Signalling
Explicit Signalling
Which are closed loop congestion control policies?
Window Policy
Implicit signalling
Acknowledgement Policy
Back pressure
---------------- is a packet sent by a node to the source to inform it of congestion.
Back Pressure
Acknowledgement
Choke packet
Signal
What is the purpose of an IP address?
Allows a connection to the internet
Modulates and demodulates data
A identify's a devices location connected to the internet
Allows two LAN's to connect to each other via cables
An intranet is...
A public network of networks
A private network of networks
A set of web pages available via the internet
An email system
What device is used to connect a number of computers together to make a LAN?
Hub/Switch
Bridge
Router/Modem
Server
What device is used to connect two LAN's together?
Hub/Switch
Bridge
Router/Modem
Server
What three pieces of hardware are needed to connect to the internet?
Hub/Switch
Bridge
Router/Modem
Network Interface Card
Cables
In class C , if subnet mask is 255.255.255.224 then calculates number of subnet?
6
8
4
None of the above
