640-811 Interconnecting Cisco Networking Devices Practice Exam

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640-811 Interconnecting Cisco Networking Devices

Note 1: 640-811 Exhibit and all related diagrams are not shown in demo questions.
Note 2: 640-811 Answers are not shown in demo questions.
Exhibits and Answers are only provided in the Full Version.

Demo Question 1.

A technician is investigating a problem with the exhibited network. These symptoms have been observed: 1. All of the user hosts can access the Internet. 2. None of the user hosts can access the server in VLAN9 3. All of the hosts can ping each other. What could cause the symptoms?

A. Interface S0/0 on the router is down.
B. Interface Fa1/1 on the router is down.
C. Interface Fa0/5 on EliteCertify 3 is down.
D. Interface Fa0/4 on EliteCertify 3 is down.
E. EliteCertify 2 is turned off.
F. Trunking is not enabled on the link between EliteCertify 1 and EliteCertify 3.

Display Answer

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Answer: D Since all user hosts have access to internet, link to router has to be up. Therefore, router interface (Fa0/1 - believe it is labeled incorrectly on diagram as Fa1/0) must be up. Since all hosts can ping each other, but none can get to VLAN 9 which is through single interface Fa0/4, this interface must be down. Choice A. incorrect, S0/0 must be up if internet access available. Choice B. incorrect, Fa0/1 must be up if internet access (through router) available. Choice C. incorrect, would not prevent access to VLAN9 via other routes (i.e Fa0/7, Fa0/9, Fa0/4) Choice D. correct Choice E. incorrect: EliteCertify 2 must be up if internet access (through switch and then router) available Choice F. incorrect: Disabled trunking on link between EliteCertify 1 and EliteCertify 3 would not prevent access to VLAN9 via other routes

Explanation: