[Free] 2017(July) EnsurePass Examcollection Cisco 200-125 Dumps with VCE and PDF 441-450

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CCNA Cisco Certified Network Associate CCNA (v3.0)

Question No: 441 – (Topic 8)

Which statement about unicast frame forwarding on a switch is true?

  1. The TCAM table stores destination MAC addresses

  2. If the destination MAC address is unknown, the frame is flooded to every port that is configured in the same VLAN except on the port that it was received on.

  3. The CAM table is used to determine whether traffic is permitted or denied on a switch

  4. The source address is used to determine the switch port to which a frame is forwarded

Answer: B

Question No: 442 – (Topic 8)

Which two options are benefits of dhcp snooping ?

  1. it prevents dhcp reservations

  2. it simplifies the process of adding DHCP Servers to the network

  3. it prevents the deployment of rogue DHCP Servers

  4. it prevents static reservations

  5. it Tracks the location of hosts in the network

Answer: C,E

Question No: 443 – (Topic 8)

Which statement about named ACLs is true?

  1. They support standard and extended ACLs.

  2. They are used to filter usernames and passwords for Telnet and SSH.

  3. They are used to filter Layer 7 traffic.

  4. They support standard ACLs only.

  5. They are used to rate limit traffic destined to targeted networks.

Answer: A Explanation:

Named Access Control Lists (ACLs) allows standard and extended ACLs to be given names instead of numbers. Unlike in numbered Access Control Lists (ACLs), we can edit Named Access Control Lists. Another benefit of using named access configuration mode is that you can add new statements to the access list, and insert them wherever you like. With the legacy syntax, you must delete the entire access list before reapplying it using the updated rules.

Question No: 444 – (Topic 8)

Which option describes the best way to troubleshoot and isolate a network problem?

  1. Gather the facts

  2. Change one variable at a time.

  3. Implement an action plan

  4. Create an Action plan

Answer: C

Question No: 445 – (Topic 8)

If three devices are plugged into one port on a switch and two devices are plugged into a different port, how many collision domains are on the switch?

  1. 2

  2. 4

  3. 5

  4. 6

Answer: C

Question No: 446 – (Topic 8)

How can you manually configure a switch so that it is selected as the root Switch?

  1. increase the priority number

  2. lower the port priority number

  3. lower the priority number

  4. increase the port priority number

Answer: C

Question No: 447 – (Topic 8)

Scenario:

You are a junior network engineer for a financial company, and the main office network is experiencing network issues. Troubleshoot the network issues.

Router R1 connects the main office to the internet, and routers R2 and R3 are internal routers.

NAT is enabled on router R1.

The routing protocol that is enabled between routers R1, R2 and R3 is RIPv2.

R1 sends the default route into RIPv2 for the internal routers to forward internet traffic to R1.

You have console access on R1, R2 and R3 devices. Use only show commands to troubleshoot the issues.

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Users complain that they are unable to reach internet sites. You are troubleshooting internet connectivity problem at main office. Which statement correctly identifies the problem on Router R1?

  1. Interesting traffic for NAT ACL is incorrectly configured.

  2. NAT configurations on the interfaces are incorrectly configured

  3. NAT translation statement incorrectly configured.

  4. Only static NAT translation configured for the server, missing Dynamic NAT or Dynamic NAT overloading for internal networks.

Answer: B

Question No: 448 – (Topic 8)

which command can you enter in a network switch configuration so that learned mac addresses are saved in configuration as they connect ?

  1. Switch(config-if)#Switch port-security

  2. Switch(config-if)#Switch port-security Mac-address sticky

  3. Switch(config-if)#Switch port-security maximum 10

  4. Switch(config-if)#Switch mode access

Answer: B

Question No: 449 – (Topic 8)

which three options are fields in a basic ethernet data frame ?

  1. preamble

  2. time to live

  3. version

  4. header checksum

  5. length type

  6. frame check sequence

Answer: A,E,F

Question No: 450 – (Topic 8)

Refer to the exhibit.

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After you apply the given configuration to arouter, the DHCP clients behind the device connot communicate with hosts outside of their subnet. Which action is most likely to correct the problem?

  1. Configure the dns server on the same subnet as the clients

  2. Activate the dhcp pool

  3. Correct the subnet mask

  4. configure the default gateway

Answer: D

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