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What is CRC
The CRC is computed while transmission and appended to output stream as soon as last bit goes out onto wire. If the CRC were in header, it will be necessary to make a pass over frame to compute CRC before transmitting. This would need each byte to be handled twice-once for check summing and one time for transmitting. Using trailer cuts the work in half.
Security Security is the protection of hardware software and data from unauthorized access. Restricted physical access to computer password protection limiting user priv
DEFINE
Consider figure. Assume a new flow E is added that takes a path from R1 to R2 to R6. How does the max-min bandwidth allocation change for the 5 flows?
What is Bit Stuffing? Bit stuffing is the process of adding one extra 0 whenever five consecutive is follow a 0 in the data, so that the receiver does not mistake the pattern 0
Disadvantages of IP sec Tunnelling mode IP sec tunnelling mode has the following disadvantage a.Encryption of small packets generates a lot networks over head thu
Memory Pools IOS manages available free memory thorugh memory pool series, which are essentially heaps in the generic sense; each pool is a set of memory blocks that can be al
HEADERS AND FRAME FORMAT: LAN technology standards describe frame format for every technology. All contemporary standards use the following basic format. a) Frame header b
Illustrate about the working of Socks protocol SOCKS is an open, industry-standard protocol advanced by the Authenticated Firewall Traversal working group of the IETF (Internet
What is the concept of successor in EIGRP?
Question 1 A) Explain briefly the advantages wireless communication systems B) What is a cellular network? Question 2 Explain fundamental architecture of
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