4 functions that ICMP protocol performs are:
a. echo (ping)
b. telnet
c. rcp
d. rlogin
e. rpc
f. TTL announce (used by traceroute)
g. source quench message (during congestion)
h. network error announcement
Choose three reasons why the networking industry uses a layered model: * It facilitates systematic troubleshooting * It allows changes in one layer to occur without changing other layers * It allows changes to occur in all layers when changing one protocol * It clarifies how to do it rather than what general function to be done * It clarifies what general function is to be done rather than how to do it
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
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11 Answers Swirl Infosystems, Wipro,
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