Define proxy servers and how do they protect computer networks?
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Define nos?
Explain the contents of a routing table?
in vcs, which network[private or public] channel bandwidth is high?
Host A is connected to Router B. Router B is connected to Router C. Router is connected to Host D. How many hops away is Host D from Host A ?
Explain 802.1Q header?.
Best example of Flat Addressing Scheme among the following ? a. MAC addresses b. Classless IP addresses c. Classful IP addresses d. IPX addresses
You just added a new alias in the /etc/aliases file. What command should you run to activate the change ?
what is the AD value of Static route?(cisco)
True or False: RJ-45 connectors house less connections then RJ-11 because they are larger in size and use bigger cables.
Main d/w public ip and private ip
Your class C network has been subnet-ed. Mask for the new subnets is 255.255.255.248. How many subnets and how many nodes per subnet can you have ? a. 30, 6 b. 30, 7 c. 62, 2 d. 62, 6 e. 62, 7
User Datagram Protocol (UDP) is __ and __ a. connectionless, stateless b. connection-orineted, stateless c. connection-oriented, stateful d. connectionless, stateful