COMPUTER COURSES IN CHANDIGARH
Important Short Questions and Answers: Computer Network Layer
Define ICMP.
ICMP uses the source IP address to send the error message to the source of the datagram. ICMP always reports error messages to the original source.
What is the use of NAT? NAT
(Network
Translation)
is
the
Address process
where a network device, usually a firewall, assigns a public address to a computer inside a private
network.
What is a virtual circuit? A logical circuit made between the sending and receiving computers. The connection is made after both computers do handshaking. After the connection, all packets follow the same route and arrive in sequence.
What are data grams?
In datagram approach, each packet is treated independently from all others. Even when one packet represents just a place of a multi packet transmission, the network treats it although it existed alone. Packets in this technology are referred to as datagram.
What are the network support layers and the user support layers? Network support layers:
The network support layers are Physical layer, Data link layer and Network layer. These deals with electrical specifications, physical connection, transport timing and reliability.
Address SCO 23-24-25, Sector 34A, Chandigarh, IN 160022
Phone +91 172-503-1983, +91 99-88-74-1983
Email counselor.cbitss@gmail.com
THANK YOU
http://cbitss.co.in/computer-courses-in-chandigarh.html