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Q. Explain about Domain Name System?
-In the past, mapping of IP addresses was static using a host file
-Impossible in today's dynamic environment
-Domain Name System (DNS) was created to divide mapping information to be stored on multiple computers to be accessed when needed
Can you explain routing loop issue in RIP protocol?
short note on redhat updation details? why redhat is popular?
Question: a) Describe the following two approaches used towards wireless frequency regulation. i. Regulated Band ii. Unlicensed Band b) An antenna is an electrical c
Q. What is Retransmission timer? Retransmission timer if an ACK is received previous to the timer goes off - destroy the timer if the timer goes off before ACK a
Network Layer and Routing As discussed in previous chapters the physical layer provides connection sand services to the data link layer while the data link layer is
What is piggybacked ACK The protocol will be incorrect. Suppose that 3-bit sequence numbers we are using. Consider following situation: A just send frame 7. B gets frame
Q. Describe Mail Access Protocols? Mail Access Protocols - Used by receiver to retrieve mail when desired - Post Office Protocol, version 3 (POP3) is a simple limited
use
Encryption Authentication One common technique used to encrypt and authenticate in VPNs is IP security. IP sec is a collection of protocols designed by the IETF( Internet En
Question 1 Explain the TCP/IP protocol suite. List (Network Interface Layer, Internet Layer, Transport Layer, Application Layer) Question 2 Write short note on
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