WorksheetsNetwork topology, protocols and layers
Total questions: 17
Worksheet time: 9mins
In a star network all computers are connected to a central
cable
hard drive
server
office
Star networks are most likely to be seen in
a LAN (Local Area Network)
a mesh network
a WAN (Wide Area Network)
the internet
In a mesh network devices are connected to
a switch
a server
a star
each other
Which WiFi security method is weakest
WAP
WPA2
WPA
WEP
There are (a) channels in the 2.4Ghz frequency band
Which frequency has more channels
5 GHz
2.4 GHz
a protocol is
a set of rules
a list of numbers
a group of devices
an area of a network
Each network interface controller has a unique
IP address
MAC address
signal
protocol
A Media Access Controller (MAC) has a unique address assigned when it is made
True
False
An IP (internet protocol) address that is allocated when a device connects to a network is
optional
corrected
static
dynamic
transmission control protocol (TCP) splits data into
segments
groups
parcels
packets
ethernet is a protocol for data transmission in a
wireless network
wired network
Which email protocol keeps a copy of the email on the mail server?
POP
IMAP
SMTP
which layer of the TCP/IP model splits data into packets and reassembles them at the destination
Application
Transport
Internet
Network Access
In the layer model, if one layer is improved what happens to the other layers?
they are updated
they break
they can no longer communicate
Nothing, layers are independant. That's the point of them
Which of these may be included in a packet header
recipient IP address
sender IP address
sequence number
checksum
all of the above
the checksum in a data packet is used to
ensure that all the data has arrived and is not corrupted
ensure that the packet has been sent to the right place
tell the computer what protocols were used
ensure that the user is logged on
