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nslookup

Explain the network architecture?

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How does a DNS server find the actual root servers ?

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How many DHCP IP address pools are supported ?

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Your previous Network Administrator had subnneted your class C network into many subnets. Only info you have is that one of the IP range was 200.252.144.33 through 128.252.144.46. How many subnets did he make ? what was the mask ?

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I am using windows server 2008 and its working as DHCP server. 100 clients are connected to this server. All clients are accessing Internet. But I wanna to block some specific websites which is not required by client. So how it can be done through DHCP server? is there any third party software available ? or any other method you know then please answer it.

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In the nsswitch.conf file what does the following entry mean ? NOTFOUND=return

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XDR stands for ?

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Describe an access list and what it does?

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Which command will display the entire RAP table ?

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Define mac addresses?

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what is work of application layer and presentation layer

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Which command will show all info on packet#220 from file /home/adm/packets ?

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