CCNA Exercise Lab 6

Written Lab

In this section, write the answers to the following questions.

1. What is the VTP mode that can only accept VLAN information and not change VLAN information?

Ans- VTP client mode

2. What is the VLAN identification method proprietary to Cisco routers?

Ans- VLAN numbers. That are 1 to 4094.

3. VLANs break up--------------domains.

Ans- Broadcast domain

4. Switches, by default, only break up--------domains.

Ans- Broadcast doamin

5. What is the default VTP mode?

Ans- Server mode

6. What does trunking provide?

Ans- A trunk is a communication line or link which provide a communication medium between connected points.

7. What is frame tagging?

Ans- Frame tagging also known as VLAN tagging is a way to identify the packets travelling between links. When a packet is travel from a link to another, a vlan tag is added with it. At the time when it reaches at the end of the trunk the tag is removed and packet is send to the associated link further.

8. True/False: The ISL encapsulation is removed from the frame if the frame is forwarded out an access link.

Ans- False

9. What type of link is only part of one VLAN and is referred to as the native VLAN of the port?

Ans- untagged ports

10. What type of Cisco tagging information allows VLANs to be multi- plexed over a trunk link through an external encapsulation method?

Ans- ISL frames

Review Questions

1. Which of the following is a true statement regarding VLANs? (Choose all that apply.)

  1. You must have at least two VLANs defined in every Cisco switched
  2. All VLANs are configured at the fastest switch and, by default, propagate this information to all other
  3. You should not have more than 10 switches in the same VTP domain.
  4. VTP is used to send VLAN information to switches in a config- ured VTP
  5. Ans- D

2. What are the two ways that an administrator can configure VLAN memberships?

  1. Via a DHCP server
  2. Statically
  3. Dynamically
  4. Via a VTP database
  5. Ans- B , D

3. What size frame is possible with ISL frames?

  1. 1518
  2. 1522
  3. 4202
  4. 8190
  5. Ans- A

4. How are dynamic VLANs configured?

  1. Statically
  2. By an administrator
  3. Via a DHCP server
  4. Via a VLAN Management Policy Server
  5. Ans- B

5. Which of the following protocols is used to configure trunking on a switch? (Choose all that apply.)

  1. Virtual Trunk Protocol
  2. VLAN
  3. Trunk
  4. ISL
  5. Ans- A, D

6. Which of the following is true regarding VTP? (Choose all that apply.)

  1. VTP pruning is enabled by default on all
  2. VTP pruning is disabled by default on all
  3. You can only run VTP pruning on 5000 or higher
  4. VTP pruning is configured on all switches by default if it is turned on in just one VTP server
  5. Ans- A

7. Which of the following Cisco standards encapsulates a frame and even adds a new FCS field?

  1. ISL
  2. 802.1q
  3. 802.3z
  4. 802.3u
  5. Ans- B

8. What does setting the VTP mode to transparent accomplish?

  1. Transparent mode will only forward messages and advertisements, not add them to their own
  2. Transparent mode will both forward messages and advertisements and add them to their own
  3. Transparent mode will not forward messages and
  4. Transparent mode makes a switch dynamically
  5. Ans- A

9. VTP provides which of the following benefits to a switched network? (Choose all that apply.)

  1. Multiple broadcast domains in VLAN 1
  2. Management of all switches and routers in an internetwork
  3. Consistency of VLAN configuration across all switches in the net- work
  4. Allowing VLANs to be trunked over mixed networks, like Ether- net to ATM LANE or FDDI
  5. Accurate tracking and monitoring of VLANs
  6. Dynamic reporting of added VLANs to all switches
  7. Plug-and-Play VLAN adding
  8. Plug-and-Play configuration
  9. Ans- A , D

10. Which of the following is true regarding VTP?

  1. All switches are a VTP server by
  2. All switches are VTP transparent by
  3. VTP is on by default with a domain name of Cisco on all Cisco switches.
  4. All switches are VTP clients by
  5. Ans- A

11. Which of the following is true regarding trunked links?

  1. They are configured by default on all switch
  2. They only work with a type of Ethernet network and not Token Ring, FDDI, or
  3. You can set trunk links on any 10-, 100-, and 1000Mbps ports.
  4. You must clear the unwanted VLANs by
  5. Ans- C

12. When will a switch update its VTP database?

  1. Every 60
  2. When a switch receives an advertisement that has a higher revision number, the switch will overwrite the database in NVRAM with the new database being
  3. When a switch broadcasts an advertisement that has a lower revi- sion number, the switch will overwrite the database in NVRAM with the new database being
  4. When a switch receives an advertisement that has the same revi- sion number, the switch will overwrite the database in NVRAM with the new database being
  5. Ans- B

13. Which of the following is an IEEE standard for frame tagging?

  1. ISL
  2. 802.3z
  3. 802.1q
  4. 802.3u
  5. Ans- C

14. Which of the following statements describes a trunked link?

  1. They can carry multiple
  2. Switches remove any VLAN information from the frame before it is sent to an access link
  3. Access link devices cannot communicate with devices outside their VLAN unless the packet is routed through a
  4. Trunked links are used to transport VLANs between devices and can be configured to transport all VLANs or just a
  5. Ans- A

15. Which of the following is true regarding an access link?

  1. They can carry multiple
  2. Switches remove any VLAN information from the frame before it is sent to an access-link
  3. Access-link devices cannot communicate with devices outside their VLAN unless the packet is routed through a
  4. Access links are used to transport VLANs between devices and can be configured to transport all VLANs or just a
  5. Ans- B

16. Which of the following statements describes access links?

  1. They can carry multiple
  2. They are used to transport VLANs between devices and can be configured to transport all VLANs or just a
  3. They can only be used with FastEthernet or Gigabit
  4. They are only part of one VLAN and are referred to as the native VLAN of the
  5. Ans- D

17. What is the IEEE method of frame tagging?

  1. ISL
  2. LANE
  3. SAID field
  4. 802.1q
  5. Ans- D

18. What VTP mode does not participate in the VTP domain but will still forward VTP advertisements through the configured trunk links?

  1. ISL
  2. Client
  3. Transparent
  4. Server
  5. Ans- C

19. What is the size of an ISL header?

  1. 2 bytes
  2. 6 bytes
  3. 26 bytes
  4. 1522 bytes
  5. Ans- D

20. When is frame tagging used?

  1. When VLANs are traversing an access link
  2. When VLANs are traversing a trunked link
  3. When ISL is used on an access link
  4. When 1q is used on an access link.
  5. Ans- B

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