Wireless Network and Communication

NETWORKING 0
Wireless network and
communication

NETWORKING 1
Question 1
TCP/IP is defined as a suite of communication networks which is mainly
used for connecting networking devices on the internet. Such kind of suite
may be utilized as a communication protocol in the private networks. It is
identified that there are major four layers included in the TCP/IP model
which are described below:
 Application layer
 Transport layer
 Internet layer
 Network access layer
The IP layer is defined as an internet protocol layer which defines the
network protocols used in the communication systems and devices (Fall, &
Stevens, 2011). The major function of the IP layer is to identify which
protocol is responsible for the logical transmission of signals over the
complete network. While the network access layer is the combination of the
physical and data link layer of the OSI model. The major function of this
layer is to control the physical connection between the networks and handle
the entire communication system (Goralski, 2017). A recent study argued
that IP layer has the capability to pack signals into small data packets which
are called as IP datagrams but network access layer is able to identify the
physical connection between the networks and identify how bits are
electrically signalled using computer devices. As compared to the network
access layer, the IP layer is more effective and reliable but the network
access layer helps the consumers for defining how the message is physically
transferred through the computing network.
Ensafi, Knockel, Alexander, & Crandall, (2014) examined that in the
network access layer the control information is embedded using various
protocols including Ethernet, token ring, and frame relay and so on.

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However, in IP layer control information is embedded with the help of IP,
ICMP, RARP and ARP. The internet layer is mainly responsible for the
routing of IP datagrams but network access is responsible for the
transmission of a message between two computing devices on the common
network (Acharya, & Tiwari, 2016). Therefore, it is stated both IP and
network access layer plays effective roles in the communication networks
by which the consumers can easily perform data transmission over the
computing networks.
Question 2
In the provided scenario, both prime ministers need to communicate
with each other using the telephone and English translator that convert
signals into the English language. The below diagram indicates the
interconnection between the French and Chinese prime ministers:
It is evaluated that when French prime minister performs
communication activities then he addresses his remarks to the Chinese
prime minister that help in the transmission of data. However, the signal is
mainly transmitted through major two translators using mobile phones. The
translator adopted by French PM translates his remarks or comments into
English language and send these signals to the translator of Chinese PM
using telephone lines. It is observed that an intermediate node serves to
translate the signal before passing it on and Chinese PM uses a translator
that directly remarks into the Chinese language. Therefore, it is reported
that the translator is able to convert the transmitted signals into another
form that helps the receiver for obtaining reliable and effective information.

NETWORKING 3
Question 3
In this question, there are three waveforms provided in which x-axis
shows the time in seconds and Y-axis indicates the amplitude. Therefore,
the asked values are highlighted below:
Points Value
Amplitude 15
Time period 3 sec
Frequency 1/3 Hz
Phase 00
Points Value