Port numbers for the following 2 standard services: Netstat , FTP
a. 25, 81
b. 21, 15
c. 23, 80
d. 15, 21
e. 15, 22
Why application layer is given serial no 7 though it function starts from serial no 1 from
How to perform system maintenance?
Define 10base-t?
Which command will delete the route to the network 128.251.0.0 via 128.144.1.254 ?
What would you put in the /etc/gateways file such that a route is defined to network called net2 via router called host4? Assume that net2 is 3 hops away. Also, assume that the gateway is not expected to exchange RIP information.
Class D IP address range an its use? a. 192-223, broadcast b. 224-239, multicast c. 224-255, broadcast d. 192-255, multicast
3 purposes of ICMP : a. router discovery b. gurantee of transport c. estimate of bandwidth d. error messaging e. diagnostics/testing f. gurantee of uniqueness of node addresses
I am to introduce a new financial product through nationalised Banks.How I could monitor the dealings,ie.payment made or withdrawn from the accounts of our clients and how the customers could read the details of their accounts through the mobiles.
What is ICMP ?
Define data encapsulation?
A subnet's mask is 255.255.255.240. How many nodes can this subnet have?
Which one of TCP and UDP is connectionless ?