What is packet filter
What do you mean by the term packet filter? Describe in brief.
Expert
Packet filter is a standard router equipped with some additional functionality. The additional functionality permits every incoming or outgoing packet to be inspected. Packets meeting some criterion are forwarded usually.
Those which fail the test are dropped.
Explain the three major kinds of the tropic pyramids that are studied in the Ecology.
What is Simple Network Management Protocol (SNMP)?
Define leased line modem? How it works in ISP?
What kinds of routes are permitted into a stub area? Answer: OSPF intra-area and inter area routes, and a default route. Exterior routes are not promoted into a stub
What are main kinds of networks? Illustrate it briefly.
FTP Spoofing attack: In the background of network security, a spoofing attack is a circumstance in which one person or program effectively masquerades as another by falsifying data and thus gaining an illegitimate benefit.
Describe IANA (Internet Assigned Numbers Authority)?
Write down the features which are given by layering?
What do you meant by the International Telecommunication Union?
Give a brief explanation of the term accounting.
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