ITN - Module 13 - ICMP

Which protocol is used by the traceroute command to send and receive echo-request and echo-replies?

• Telnet

• TCP

• ICMP

• SNMP

What is the purpose of ICMP messages?

• To provide feedback of IP packet transmission

• To ensure the delivery of an IP packet

• To inform routers about network topology changes

• To monitor the process of DHCP requests

Which ICMPv6 message is sent when the IPv6 hop limit field is decremented to zero and the packet cannot be forwarded?

• Port unreachable

• Time exceeded

• Protocol unreachable

• Time unreachable

What does ICMP stand for?

• Internet Control Message Priority

• Internet cache Message Protocol

• Information Control Message Protocol

• Internet Control Message Protocol

Router Advertisement (RA) messages are sent every?

• 250 seconds

• 300 seconds

• 200 seconds

• 100 seconds

How does IPv6 check uniqueness of a GUA?

• DAD

• RA

• RS

• NA

What is the purpose of the Loopback address?

• Ensures default gateway is properly installed and working

• Ensures TCP/IP stack is properly installed and working

• Ensures DNS is properly installed and working

• Ensures DHCP is properly installed and working

What is the function of the tracert command that differs from the ping command when they are used on a workstation?

• The tracert command sends one ICMP message to each hop in the path

• The tracert command reaches the destination faster

• The tracert command is used to test the connectivity between two devices

• The tracert command shows the information of routers in the path

Which ICMP message is used by the traceroute utility during the process of finding the path between two end hosts?

• Ping

• Destination unreachable

• Time exceeded

• Redirect

From a ping, which symbol is displayed to indicate that a time expired during the wait for an ICMP echo reply message?

• .

• T

• U

• !