[Free] 2018(Jan) EnsurePass Examcollection Cisco 200-120 Dumps with VCE and PDF 61-70

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CCNA Cisco Certified Network Associate CCNA

Question No: 61 – (Topic 2)

At which layer of the OSI model is RSTP used to prevent loops?

  1. physical

  2. data link

  3. network

  4. transport

Answer: B

Question No: 62 – (Topic 2)

In a switched environment, what does the IEEE 802.1Q standard describe?

  1. the operation of VTP

  2. a method of VLAN trunking

  3. an approach to wireless LAN communication

  4. the process for root bridge selection

  5. VLAN pruning

Answer: B

Question No: 63 – (Topic 2)

Which of the following are benefits of VLANs? (Choose three.)

  1. They increase the size of collision domains.

  2. They allow logical grouping of users by function.

  3. They can enhance network security.

  4. They increase the size of broadcast domains while decreasing the number of collision domains.

  5. They increase the number of broadcast domains while decreasing the size of the broadcast domains.

  6. They simplify switch administration.

Answer: B,C,E

Question No: 64 – (Topic 2)

What are three advantages of VLANs? (Choose three.)

  1. VLANs establish broadcast domains in switched networks.

  2. VLANs utilize packet filtering to enhance network security.

  3. VLANs provide a method of conserving IP addresses in large networks.

  4. VLANs provide a low-latency internetworking alternative to routed networks.

  5. VLANs allow access to network services based on department, not physical location.

  6. VLANs can greatly simplify adding, moving, or changing hosts on the network.

Answer: A,E,F

Question No: 65 – (Topic 2)

What is the function of the command switchport trunk native vlan 999 on a Cisco Catalyst switch?

  1. It creates a VLAN 999 interface.

  2. It designates VLAN 999 for untagged traffic.

  3. It blocks VLAN 999 traffic from passing on the trunk.

  4. It designates VLAN 999 as the default for all unknown tagged traffic.

Answer: B

Question No: 66 – (Topic 2)

Which two of these statements regarding RSTP are correct? (Choose two.)

  1. RSTP cannot operate with PVST .

  2. RSTP defines new port roles.

  3. RSTP defines no new port states.

  4. RSTP is a proprietary implementation of IEEE 802.1D STP.

  5. RSTP is compatible with the original IEEE 802.1D STP.

Answer: B,E

Question No: 67 – (Topic 2)

Which two link protocols are used to carry multiple VLANs over a single link? (Choose two.)


B. 802.1q

  1. IGP

  2. ISL

E. 802.3u

Answer: B,D

Question No: 68 – (Topic 2)

Which two commands can be used to verify a trunk link configuration status on a given Cisco switch interface? (Choose two.)

  1. show interface trunk

  2. show interface interface

  3. show ip interface brief

  4. show interface vlan

  5. show interface switchport

Answer: A,E

Question No: 69 – (Topic 2)

Which two of these are characteristics of the 802.1Q protocol? (Choose two.)

  1. It is used exclusively for tagging VLAN frames and does not address network reconvergence following switched network topology changes.

  2. It modifies the 802.3 frame header, and thus requires that the FCS be recomputed.

  3. It is a Layer 2 messaging protocol which maintains VLAN configurations across networks.

  4. It includes an 8-bit field which specifies the priority of a frame.

  5. It is a trunking protocol capable of carrying untagged frames.

Answer: B,E

Question No: 70 – (Topic 2)

A network administrator creates a layer 3 EtherChannel, bundling four interfaces into channel group 1. On what interface is the IP address configured?

  1. the port-channel 1 interface

  2. the highest number member interface

  3. all member interfaces

  4. the lowest number member interface

Answer: A

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