Chapter 4 Review - Question 2 Marks: 1 ICMP packets contain...

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Chapter 4 - ICMP Review Review of attempt 1 Question 1 Marks: 9 Match each item with a statement below. Occurs when network traffic starts to exceed handling capacities. First published in 1981, defines the primary functions of, and blueprints for, ICMP messages to this day. Permits a receiving host or intermediate gateway to instruct a sending host to adjust (lower) its sending rate to ease congestion problems. A form of ICMP Echo communication. A connectionless process with no guarantee of delivery. Silently discards packets without indicating any cause, thereby thwarting auto-recovery or auto-reconfiguration attempts. Typically learn about routes through the manually configured default gateway setting and the process of redirection. This ICMP packet is obsolete. A router can send this ICMP message to indicate that there is a better way to get to the desired host. Correct Marks for this submission: 9/9.
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Unformatted text preview: Question 2 Marks: 1 ICMP packets contain only three required fields after the IP header: Type, Code, and Checksum. Answer: TrueFalse Correct Marks for this submission: 1/1. Question 3 Marks: 1 Routers can use ICMP to provide a default gateway setting to a host (if the host requests assistance). Answer: TrueFalse Correct Marks for this submission: 1/1. Question 4 Marks: 1 Routers send ICMP Redirect messages to hosts to indicate that a preferable route exists. Answer: TrueFalse Correct Marks for this submission: 1/1. Question 5 Marks: 1 The value 0 in the IP header Protocol field denotes that an ICMP header follows the IP header. Answer: TrueFalse Correct Marks for this submission: 1/1. Question 6 Marks: 1 With router advertising, the default Lifetime value for route entries is 10 minutes. Answer: TrueFalse Correct Marks for this submission: 1/1....
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This note was uploaded on 08/01/2011 for the course CNS 1 taught by Professor Idk during the Spring '11 term at Texas State Technical Colleges.

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Chapter 4 Review - Question 2 Marks: 1 ICMP packets contain...

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