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DNS Tunneling – Domain Name Server
"If, on one system, it is possible to transmit bits to another in any form, and in turn receive a reply as a result of that transmission, then it is inherently impossible to effectively limit or censor the flow of data between them."
The mechanism for DNS tunnel comprises of binding or can say encapsulating the binary data within DNS queries and replies in order to implement the DNS name lookup itself , using base32 and base64 encoding, in order to enable the bi-directional carrier for the data. Hence, the user may also tunnel the data simultaneously to remote system, while domain name lookups on a network.
Recognize the access-list range for an extended IP access-list? Ans) IP extended access-lists use the number range of 100-199.
No Retransmission This protocols will not through the correctly received packets but buffers than and send acknowledgment for those packets. Thus retransmission of th
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Explain Asynchronous FDDI Asynchronous bandwidth is allocated utilizing an eight-level priority scheme. Every station is assigned an asynchronous priority level. FDDI as wel
When using access lists, it is important where those access lists are placed. Which Statement best defines access list placement Ans) Put standard access lists as near the desti
Q. Explain the Types of Security Service? Security Services fall into one of the subsequent categories - Confidentiality: Confirms that the info in a system and transm
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use of go back n protocal
Q. Describe about Cryptography? - Some media cannot be protected from unauthorized reception (or interception) - Encryption involves transforming the original information in
Connect a Router and Computer with a Console Cable Step 1 : Set up a basic physical connection. Connect the console (rollover) cable to the console port on the router. Link
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