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What is a pseudo tty?
A pseudo tty or false terminal enables external machines to connect by Telnet or rlogin. Without a pseudo tty, no connection can take place.
(i) Suppose that frames are 1250 bytes long including 25 bytes of overhead. Also assume that ACK frames are 25 bytes long. a) Calculate the efficiency of stop-and-wait ARQ in
What are the Unix-based firewalls The Unix-based firewalls are considered most secured as compared to the Windows NT based ones. The firewalls bind the holes of the operating
Question: (a) Explain the usage of the following parts of the IPv4 datagram format. i. VERS ii. HLEN iii. TOTAL LENGTH iv. SERVICE TYPE v. HEADER CHECKSUM (b) Na
(a) Explain how a CDMA system works? (b) Explain howWelsh-Hadamard codes are generated. Explain why orthogonality between different spreading codes is important. (c) Consider
What is DNS? DNS is Domain Name System. The major function of this network service is to provide host names to TCP/IP address resolution.
Q. Why congestion occurs? Congestion Emerge if the load on the network is greater than the capacity of the network - Load that is the number of packets sent to the net
#questionWrite a program to find the area under the curve y = f(x) between x = a and x = b, integrate y = f(x) between the limits of a and b. The area under a curve between two poi
You are designing a network for a retail customer; they plan to have 5 locations initially with the main store acting as the warehousing depot. Within the next year they are plann
Systolic Array : This interconnection network is a kind of pipelined array architecture and it's intended for multidimensional flow of data. It is used for applying fixed algorithm
What are proxy servers and how do they protect computer networks? Proxy servers primarily stop external users who identifying the IP addresses of an internal network. Without i
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