Module 3 Lesson 2

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DeVry University, Chicago *

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14/12/2023, 17:18 Module 3: Lesson 2 - Knowledge Check: Intermediate Information Technology & Networking II - 61438 https://devryu.instructure.com/courses/99766/quizzes/360862 1/5 Module 3: Lesson 2 - Knowledge Check Due Nov 12 at 11:59pm Points 25 Questions 5 Available after Nov 4 at 11:59pm Time Limit None Allowed Attempts Unlimited Instructions Attempt History Attempt Time Score LATEST Attempt 1 9 minutes 25 out of 25 Score for this attempt: 25 out of 25 Submitted Dec 14 at 3:18pm This attempt took 9 minutes. Check your knowledge by answering the following questions. After completing all the questions, click the Submit Quiz button at the bottom of the page. IMPORTANT! 25 out of 25 points must be achieved in order to proceed to the next Module. You can retake the Knowledge Check as many times as you need to answer all questions correctly. TAKE THE QUIZ AGAIN 5 / 5 pts Question 1 You need to verify the IPv6 ARP cache on a router and see that the state of an entry is REACH. What does REACH mean? The entry is incomplete. 

14/12/2023, 17:18 Module 3: Lesson 2 - Knowledge Check: Intermediate Information Technology & Networking II - 61438 https://devryu.instructure.com/courses/99766/quizzes/360862 2/5 A positive confirmation has been received by the neighbor and the path to it is functioning correctly. Correct! Correct! The router is reaching out to get the address. The entry has reached the end of life and will be discarded from the table. Correct. Positive confirmation has been received confirming that the path to the neighbor is functioning correctly. REACH is good! 5 / 5 pts Question 2 What’s the most common cause of interface errors? Collisions between a dedicated switch port and an NIC Duplex mismatch Correct! Correct! Buffer overflows Speed mismatch Correct. A duplex mismatch is the most common reason for interface errors.

14/12/2023, 17:18 Module 3: Lesson 2 - Knowledge Check: Intermediate Information Technology & Networking II - 61438 https://devryu.instructure.com/courses/99766/quizzes/360862 3/5 5 / 5 pts Question 3 What command generated the following output? IPv6 Address Age Link-layer Addr State Interface FE80::21A:6DFF:FE64:9B3 0 001a.6c46.9b09 DELAY Fa0/1 2001:DB8:3C4D:2:21A:6DFF:FE64:9B3 0 001a.6c46.9b09 REACH Fa0/1 show ipv6 neighbors Correct! Correct! show ip neighbors show ip arp show ipv6 arp Correct. The command show IPv6 neighbors provides the ARP cache on a router. 5 / 5 pts Question 4 You receive a call from a user who says that they can’t log in to a remote server, which only runs IPv6. Based on the output, what could the problem be? C:\Users\Todd Lammle>ipconfig Connection-specific DNS Suffix .: localdomain IPv6 Address ................... : 2001:db8:3c4d:3:ac3b:2ef:1823:8938 Temporary IPv6 Address ......... : 2001:db8:3c4d:3:2f33:44dd:211:1c3d Link-local IPv6 Address ........ : fe80::ac3b:2ef:1823:8938%11 Subnet Mask .................... : 10.1.1.10 Default Gateway ................ : 10.1.1.1

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14/12/2023, 17:18 Module 3: Lesson 2 - Knowledge Check: Intermediate Information Technology & Networking II - 61438 https://devryu.instructure.com/courses/99766/quizzes/360862 4/5 There are two IPv6 global addresses configured. One must be removed from the configuration. The global address is in the wrong subnet. The link-local address hasn’t been resolved, so the host cannot communicate to the router. The IPv6 default gateway hasn’t been configured or received from the router. Correct! Correct! Correct. There is no IPv6 default gateway, which will be the link-local address of the router interface, sent to the host as a router advertisement. 5 / 5 pts Question 5 Your host cannot reach remote networks. Based on the output, what’s the problem? C:\Users\Server1>ipconfig Windows IP Configuration Ethernet adapter Local Area Connection: Connection-specific DNS Suffix .: localdomain Link-local IPv6 Address ........ : fe80::7723:76a2:e73c:2acb%11 IPv4 Address ................... : 172.16.20.254 Subnet Mask .................... : 255.255.255.0 Default Gateway ................ : 172.16.2.1 The IPv6 global address is missing.

14/12/2023, 17:18 Module 3: Lesson 2 - Knowledge Check: Intermediate Information Technology & Networking II - 61438 https://devryu.instructure.com/courses/99766/quizzes/360862 5/5 The IPv4 address and the default gateway are not on the same segment. Correct! Correct! The link-local IPv6 address is wrong. There is no DNS server configuration. Correct. The IPv4 address and default gateway are not configured into the same subnet. Quiz Score: 25 out of 25

Module 3 Lesson 2

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