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VPN Technology
For an organization VPN technology uses some main techniques for privacy
a.Encryption /Authentication
b.Tunnelling
c.Fire walls
Q. Show the Application Layer Responsibilities? - Make possible user access to the network - User interfaces as well as support for services such as E-Mail File
Network Service Model The network service model defines the characteristics of end to end transport of data between one edge of the network to the other that is betwe
Q. Show the Distribution of Name Space? Distribution of Name Space --Information for domain name space must be stored on multiple servers (DNS servers) to be efficient
Configure the management interface address on all three switches. S1(config)#interface vlan1 S1(config-if)#ip address 172.17.10.1 255.255.255.0 S1(config-if)#no shutdown
What are the Communication tools ? Voice mail ? Email ? Fax ? Video conferencing applications
Ethernet Frame Format Consists of seven fields There is No mechanism for acknowledging received frames considered an unreliable medium
Sonet Frame Transaction Transmitted one subsequent to another without any gap in between. First 2 bytes - alignment bytes. F628 in Hex. - define the beginning of every
bus topology disadvantage?
Applications of Fiber Optics - Backbone networks because of wide bandwidth and cost effectiveness - Cable TV - LANS - 100Base-FX (Fast Ethernet)
DNS Records and Messages Two types of records are used DNS. The question records are used in the question section of the query and response messages. The resource reco
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