Which freeware program will let you have fine-grain control over which machines can or can not telnet/rlogin into your machine ?
Explain the difference between hub and a switch?
Which layer of the OSI model defines how cable is attached to a network adapter card?
How does a DNS server find the actual root servers ?
Describe a routing filter and what it does?
Define nat?
Explain netstat?
what is mean topoplogy? you have which topology use the network?
where does dhcptab reside ?
Which command balnks out the routing table ?
Which layer is responsible coordinating communications b/w segments ? a. physical b. data-link c. network d. session e. application
What is the most popular internetworking protocol?
what is Perigrine ticketing system and to which company this product belongs to