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
Which macro defines optional features that are included in the sendmail.cf file ?
Describe an access list and what it does?
what is Cisco Firewall
0 Answers Amasis, Infosys, Wipro,
Solaris machines more often than not runs routed daemon. routed is the unix equivalent of RIP. It is always run with -q option. Why ? a. q options optimizes the process b. q option uses a default route c. q option only activates itself in the absence of a default router d. q option tells the process not to advertise any routes. It just listens to the RIP udates. That way it does not interfere with router in the subnet.
What is flow control ? a. To keep the transmitting device from transmitting no faster than the receiving device can receive. b. To find the best route to a destination c. To determine which machine transmits packets on the wire on a given instance. d. To be able to send a beacon message when congestion occurs.
deferances between work group and domain?
Which layer does "timing" ? a. Physical b. MAC sublayer c. LLC sublayer d. Network Layer e. transport layer
what is cmrr?
All IP addresses are eventually resolved to network interface card addresses. Which of the following is used to map an IP address to a network interface card address? a. WINS b. DHCP c. DNS d. ARP
Define proxy servers?
You have a Class C network. You have subntted it into 2 subnets. What is the subnet mask ?
Host A has two routes to host B. First route has 2 hops, but the bandwidth is 56K. The second route has 3 hops, but the bandwidth is 100Mbps. If you use RIP, which route will be taken ?