Define firewalls?
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Describe how VoIP works?
what is difference between tcp & udp protocol?
How to set Proxy Setting?
Can you please explain the difference between hub and a switch?
What IP network addresses are set-aside for class B (for private use)? a. 128.0.0.0 (mask 255.255.0.0) b. 128.252.0.0 (mask 255.255.0.0) c. 172.16.0.0 (mask 255.240.0.0) d. 172.16.0.0 (mask 255.255.0.0) e. 172.240.0.0 (mask 255.255.0.0)
Which topology, uses centralized hub from which a number of signals carrying cables goes out to individual devices on the branch.
A cyclical redundancy check (CRC) is usually contained in a packet's ?
In network topology what is called as one large coaxial cable joins all the computers.
how many layers are there in network & explain in simple of alll layers?
User Datagram Protocol (UDP) is __ and __ a. connectionless, stateless b. connection-orineted, stateless c. connection-oriented, stateful d. connectionless, stateful
What is osi and it's role in computer networking?
What is the requirement of Subnet Mast in IP addressing ?