TCP/IP – Class Participation Exercise # 3

gazecummingΔίκτυα και Επικοινωνίες

26 Οκτ 2013 (πριν από 3 χρόνια και 10 μήνες)

72 εμφανίσεις

Chapter 5
-

TCP/IP


Clas
s Participation Exercise # 3


Name(s):



Date:



Please refer to the figure provided on separate page, to answer the following questions.


Assumption
: For all questions given below, assume that the DNS Server knows
AL
and their c
orresponding
IP addresses of all computers shown in the figure.

Questions
:


1.

For this question, assume the following:



F knows the IP
and DL address
of DNS



F knows the AL address of W



F
does not know the IP and DL address of W

Question: Identify route
/pr
ocess under
taken by F to request a web page from W.

Answer:

















2.

For this question, assume the following:



D does not know the IP address of F



Assume each computer knows DL address of its immediate neighbor(s).

Questions
:

2
a) Identify route
taken by D to determine IP of F, and then to send a packet
to F.


2
b) For each segment/step of the route identified in question
2
a, identify

source IP, destination IP, source DL and destination DL addresses.



Please provide your answers for question #

2

below the figure
, which is provided
on a separate sheet to you
.