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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
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 physical layer provides bit synchronization to ensure that the
sender and receiver use the same bit
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
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
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 it has
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
Get fully solved assignment. Buy online from website
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we will revert you within 2-3 hour or immediate
Charges rs
125/subject and rs 500/semester only.
if urgent then call us on 08791490301, 08273413412
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