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Authoritative DNS Servers
Every organization with publicly accessible hosts ( such as web server and mail several on the internet must provide publicly accessible DNS records that map the names of those hosts to IP addresses. An organization authoritative DNS server house these DNS records. An organization can chosen to implement its own authoritative DNS server to hold these records alternatively the organization can pay to have these records store in an authorities DNS server of some service provide. Most universities and lamp companies implement and maintain their own primary and secondary their own primary and secondary ( backup) authoritative DNS server.
What is uniform delivery time A uniform delivery time is required for voice, so amount of jitter in net- work is significant. This could be expressed as standard deviation of d
Computer Networks 1. Write about different network structures in use. 2. Explain the architecture and usage of ISDN. 3. Describe the concept of framing in Data Link Layer
Ajax is a relatively new set of techniques that, in a sense, implement some of the functionalities originally provided by RPC. Ajax is primarily used to build web applications with
NetWare IPX addressing uses a network number and a node number. Which statements are true? A. The network address is administratively assigned and can be up to 16 hexadecimal digi
Consider a simple wireless data link using channel bandwidth of 40 kHz. The transmit power level is 20 dBm, the link attenuation is 40 dB and the SNRdB at the receiver is 20 dB.
Token Passing Station is able to send only when it receives a special frame called a token Token circulates around the ring If station wishes to sen
Identify and briefly explain any four key requirements that need to be examined when considering deploying a WLAN technology.
Uses of fragmentation and reassembly The More bit is used for fragmentation and reassembly. If this bit is 0, then either there has been no fragmentation of this packet or this
Configure VTP Pruning on the Switches VTP pruning permits a VTP server to suppress IP broadcast traffic for particular VLANs to switches that do not have any ports in that VLAN
What is WDM? WDM is conceptually the similar as FDM, except that the multiplexing and demultiplexing includes light signals transmitted by fiber optics channel.
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