Get fully
solved assignment. Buy online from website
online store
or
plz drop a mail
with your sub code
we will revert
you within 2-3 hour or immediate
Charges rs 125/subject only.
if urgent then call us
on 08791490301, 08273413412
PROGRAM
BSC IT
SEMESTER
2
SUBJECT
CODE &
NAME
BCA4010,
COMPUTER NETWORKS
Q1.
Write a note on:
·
Point-to-Point
Channels
·
Broadcast
Channels
Answer:
·
Point-to-Point
Channels
PPP (Point-to-Point
Protocol) is a protocol for communication between two computers using a serial
interface, typically a personal computer connected by phone line to a server.
For example, your Internet server
Qus:2
What is Framing? Briefly explain Fixed-Size Framing and Variable Size Framing.
Answer:
Framing:
Data transmission in
the physical layer means moving bits in the form of a signal from the source to
destination. The
Qus:3
What is Stop-and-Wait Automatic Repeat Request? Briefly explain.
Answer:
Stop-and-Wait
Automatic Repeat Request:
This protocol
adds a simple error control mechanism to the stop-and-wait protocol. To detect
and correct corrupted frames, we need to add redundancy bits to our data frame.
When the frame arrives at the receiver site, it is checked and if it is
corrupted, it is silently discarded. The detection of errors in this protocol
is manifested by the silence of the receiver. Lost frames are more difficult to
Qus:4
What is the role of Internet Protocol version 4 (IPV4) in addressing and
routing packets between hosts? Briefly explain the structure of an IPV4 packet.
Answer:
The
role of Internet Protocol version 4 (IPV4) in addressing and routing packets
between hosts:
IPV4 is a datagram
protocol primarily responsible for addressing and routing packets between
hosts. IPV4 is connectionless, which means that it does not establish a
connection before exchanging data, and unreliable, which means that it does not
guarantee packet delivery. IPV4 always makes a “
Qus:5
How SMTP works? Briefly explain applications of SMTP.
Answer:
SMTP
works:
SMTP is based on end-to-end delivery: An SMTP client
contacts the destination host's SMTP server directly, on well-known port 25, to
deliver the mail. It keeps the mail item being transmitted until
Qus:6
What is SSL protocol? How SSL handles a message?
Answer:
SSL
protocol:
The SSL protocol
is located at the top of the transport layer. SSL is also a layered protocol
itself. It simply takes the data from the application layer, reformats it, and
transmits it to the transport layer.
SSL
handles a message:
SSL handles a
message as follows:
Get fully
solved assignment. Buy online from website
online store
or
plz drop a mail
with your sub code
we will revert
you within 2-3 hour or immediate
Charges rs 125/subject only.
if urgent then call us
on 08791490301, 08273413412
No comments:
Post a Comment