Chapter 4 Exam - Question1 Marks: 1 The message type _...

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Question 1 Marks: 1 The message type ____ permits a gateway (router) on a nonoptimal route between sender and receiver to redirect traffic to a more optimal path. Choose one answer. a. ICMP Echo/Echo Reply b. ICMP Source Quench c. ICMP Redirect d. ICMP Destination Unreachable Correct Marks for this submission: 1/1. Question 2 Marks: 1 The ICMP packet field____ provides error detection for the ICMP header only. Choose one answer. a. Checksum b. Type c. Host d. Code Correct Marks for this submission: 1/1. Question 3 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 4 Marks: 1 ____ enables a source to learn the currently supported MTU across an entire path, without requiring fragmentation. Choose one answer.
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a. Firewalking b. TRACEROUTE c. PATHPING d. PMTU Discovery Correct Marks for this submission: 1/1. Question 5 Marks: 1 The ____ utility is a command-line utility that uses ICMP Echo packets to test router and link latency, as well as packet loss. Choose one answer. a. NTP b. PATHPING c. Path MTU d. TRACEROUTE Correct Marks for this submission: 1/1. Question 6 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 7 Marks: 1 With router advertising, the default Lifetime value for route entries is 10 minutes. Answer: TrueFalse Correct Marks for this submission: 1/1. Question 8 Marks: 1 A(n) ____ process is one method of obtaining a list of the active hosts on a network.
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Choose one answer.
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Chapter 4 Exam - Question1 Marks: 1 The message type _...

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