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Question 1 Describe the architecture and usage of ISDN
Question 2 Write about different network structures in use
Question 3 Explain the concept of framing in Data Link Layer and its importance in data communication
Question 4 Differentiate Noisy and Noiseless channels in Data Communication
Question 5 Explain firewall and also explain the components of firewall system
Question 6 Explain the two modes of IP Security
Consider a simple wireless data link using channel bandwidth of 40 kHz. The transmit power level is 20 dBm, the link attenuation is 40 dB and the SNRdB at the receiver is 20 dB.
There are various computational models for representing the parallel computers. In this part, we discuss various models. These models would give a platform for the designing as wel
Different layers of OSI Model ?
Quetion: A 22 nF capacitor is initially charged to 10V. It is then discharged by connecting a 100kW resistor across it. Approximately how long does it take for the voltage on t
Data Link Layer Sub layers · Logical Link Control (LLC) - upper layer · Handles control information, logical addressing and data · MAC (Medium Access Control) - lower layer ·
Q. Describe about Packet Switching? Packet Switching - Data are transmitted in separate units - Called Packet - Packets are variable length blocks - The max leng
What is the difference between interior and exterior neighbor gateways? Interior gateways connect LANs of one organization, while exterior gateways connect the organization to
TCP (Transmission Control Protocol) and UDP are used by TCP/IP. SPX (Sequenced Packet Exchange) is used with IPX. NBP (Name Binding Protocol) is used with Appletalk.
What are local variables? Local varaiables are those which are declared within a block of code like methods. Local variables should be initialised before accessing them.
Token Passing - Token Ring (IEEE 802.5) Needs that station take turns sending data Token passing coordinates process Token is a especially formatted three-byte fr
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