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What is a DNS resource record?
A resource record is an entry in a name server's database. There are various types of resource records used, containing name-to-address resolution information. Resource records are maintained as ASCII files.
Dijkstra Algorithms To calculate its routing table each router applies an algorithm called the dijkstra algorithm to its state database. The dijkstra algorithm calculate
Hierarchy of DNS Servers DNS uses a large number of server organized in hierarchical fashion and distribution around the world. No single DNS server has all of the mappin
A layer of a glass surrounding the center fiber of glass under a fiber-optic cable.
Q. Use of Two-Layer Switch? - Performs at the physical as well as data link layer - A bridge with many ports designed for faster performance - Allocates unique port to ea
i) Identify at least two items at every site that needs upgrading [2 Marks] ii) What type of WAN connection (link) might you use to connect the three sites to each other?
Hold-Down Timers - Routers ignore network update information for a number of periods.
IEEE 802.3-Ethernet Introduction LAN (Local Area Network) - network connecting devices in a limited geographic area usually privately owned and limited to a single o
Time out The protocols name Go Back N is derived from the sender behaviour in the presence of lost or overly delayed packets. A timer will again be used to recover
Which layer is responsible for coordinating communication between systems Ans) The Session layer performs the following: Responsible for establishing and maintaining connections
Future of the intranet At present, the world of information technology is guided bythe C 3 paradigm that stands for Command, Control and Communication, which is normally
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