Sunday 27 September 2015

bca4010 smu bca summer 2015 IVth sem assignment

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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
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 and rs 500/semester only.
if urgent then call us on 08791490301, 08273413412



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