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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. What is Subnetting ? Subnetting IP addressing is hierarchical First reach a device through its network id (netid) Then reach the host itself using the se
In this question, you will compare delays in packet switching (i.e. in IP networks), in circuit switching (i.e. in PSTN telephony) and in virtual circuit packet switching (i.e. in
State about data and data files - Information The third and major component of the system liable to be attacked is the data and data files used by the company. It is the most s
IMPORTANT: The web server should be able to serve HTTP files only. You will not need to implement the directory listing and CGI-bin. Purpose The objective is to implement a H
What is the difference between TFTP and FTP application layer protocols? Ans) TFTP - Trivial File Transfer Protocol A stripped down version of FTP, easy to use and fast. TFTP
What are different ways of securing a computer network? There are lots of ways to do this. Install reliable and updated anti-virus program on all computers. Make sure firewalls
100Base-FX Utilizes two identical optical fibers in star topology One fiber holds frames from the station to hub one from hub to station Encoding is 4B/5B Si
Q. Show the steps used at sender end by check sum? The sender follows these steps: The data unit is divided into "k" sections, each off "n" bits All sections ar
What is usage of Sequence Number in Reliable Transmission? The protocol specifies that frames need to be numbered. This is done by using sequence numbers. A field is added to t
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