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Root DNS Servers
A root server is a serve which consists of the entire hierarchy of servers. A root server usually does not store any information about domains but delegates its authority to other servers keeping references to those servers.
There are several root servers each covering the whole domain name space. The servers are distributed al around the world. In the internet there are 13root DNS server ( Labeled a through M.
Question 1 requires you to develop firewall rules based on a fictitious organisation. Scenario: You work for a security-conscious company, xC-Cure, who develop encryption t
Briefly write functionalities of different OSI layers? The OSI Reference Model includes seven layers. Basic functionality of each of them is as follows: 1. Physical Layer:
Q. Illustrate TCP – bytes and segments? TCP - bytes & segments TCP at the sending site collects bytes into a packet called a segment TCP adds a header to each se
State in brief about the Graceful degradation With FDMA or TDMA, a fixed number of users can concurrently access the system. Though, with CDMA, as more user concurrently access
What is the Network Layer of the OSI responsible for? Ans) The Network Layer routes data from single node to another sends data from the source network to the destination networ
Develop traffic flow mapping and performance requirements for flows. A) Traffic Flow Mapping B) Performance Requirements
The grouped SQL statements are known as Transactions (or) A transaction is a collection of actions embused with ACID properties.
Most real-life applications are built on top of the UDP and TCP transport protocols. UDP, which stands for User Datagram Protocol, provides the capability of delivering individual
Q. What is Sliding Window protocols? Alternatives: Sliding Window protocols - One task begins prior to the other one ends (concept of
Cisco is the defaul LMI type. There are three types of LMI standards: ANSI - Annex D defined by ANSI standard T1.617 ITU-T (Q.933A) - Annex A defined by Q933A Cisco
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