Monday 31 August 2015

mca3050 smu mca summer 2015 IIIrd sem assignment

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Summer 2015  ASSIGNMENT
PROGRAM MCA(REVISED FALL 2012)
SEMESTER THIRD
SUBJECT CODE & NAME MCA3050- ADVANCED COMPUTER NETWORKS
CREDIT 4 BK ID B1650 MAX. MARKS 60
Q. No. 1 Describe OSI Model. List and explain its seven layers. 3+7 10
Answer: OSI model
The Open Systems Interconnection (OSI) reference model was defined by the International Standards Organization (

Q2. Describe about DWDM. Explain the components of a basic DWDM system 10
Answer: Dense Wavelength Division Multiplexing (DWDM): In previous unit we discussed about WDM (Wavelength Division Multiplexing). It is conceptually similar to frequency division multiplexing. Only difference is, it is purposefully designed for fibre-optic cable to support high data-rate. In the literature, the term dense WDM (DWDM) is often used. This term does not imply a different technology to


Q3. Describe about Peak cell rate (PCR) and Sustained cell rate (SCR). 10
Answer: Peak cell rate (PCR): This is the maximum amount of traffic that can be submitted by a source to an ATM network, and is expressed as ATM cells per second. Due to the fact the transmission speeds are expressed in bits per second. It is more convenient to talk about the peak bit rate of a source, i.e., the maximum number of bits per second submitted to an ATM connection,


Q4 Describe the following:
a) Open Shortest Path First (OSPF) protocol
b) Broader Gateway Routing Protocol (BGP) 5+5 10
Answer: a)
Open Shortest Path First (OSPF) protocol
OSPF is a commonly deployed link-state routing protocol. It views the Internet as a star configuration. OSPF


Q5 Write short notes on:
a) Cryptography
b) Encryption
c) Decryption
d) Cryptanalysis
e) Cryptology 5*2 10
Answer: a) Cryptography
Most initial computer applications had no or at best, very little security. This continued for a number of years and until the importance of data is truly realized. Until then, computer data was considered to be useful, but not something to be protected. When computer applications were developed to

Q6 Differentiate between Single server queue and Multi-server queue 5+5 10
Answer:
Single server queue
The important element in a single server queue is the server, which provides services to packets. Different packets

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 625/semester only.
if urgent then call us on 08791490301, 08273413412



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