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- Question
When a new trunk link is configured on an IOS-based switch, which VLANs are allowed over the link?
Options- A. By default, all VLANs are allowed on the trunk.
- B. No VLAN's are allowed, you must configure each VLAN by hand.
- C. Only configured VLAN's are allowed on the link.
- D. Only extended VLAN's are allowed by default.
- Correct Answer
- By default, all VLANs are allowed on the trunk.
ExplanationBy default, all VLANs are allowed on the trunk link and you must remove by hand each VLAN that you don't want traversing the trunked link. - 1. What VTP mode allows you to change VLAN information on the switch?
Options- A. Client
- B. STP
- C. Server
- D. Transparent Discuss
- 2. You want to improve network performance by increasing the bandwidth available to hosts and limit the size of the broadcast domains. Which of the following options will achieve this goal?
Options- A. Managed hubs
- B. Bridges
- C. Switches
- D. Switches configured with VLANs Discuss
- 3. A switch has been configured for three different VLANs: VLAN2, VLAN3, and VLAN4. A router has been added to provide communication between the VLANs. What type of interface is necessary on the router if only one connection is to be made between the router and the switch?
Options- A. 10Mbps Ethernet
- B. 56Kbps Serial
- C. 100Mbps Ethernet
- D. 1Gbps Ethernet Discuss
- 4. Which of the following is an IEEE standard for frame tagging?
Options- A. ISL
- B. 802.3Z
- C. 802.1Q
- D. 802.3U Discuss
- 5. Which of the following commands sets a trunk port on a 2960 switch?
Options- A. trunk on
- B. trunk all
- C. switchport trunk on
- D. switchport mode trunk Discuss
- 6. Which of the following modes are valid when a switch port is used as a VLAN trunk?
- Blocking
- Dynamic auto
- Dynamic desirable
- Nonegotiate
- Access
- Learning
Options- A. 1, 2 and 6
- B. 2, 3 and 4
- C. 4, 5 and 6
- D. 2, 4, and 5 Discuss
- 7. Which protocol reduces administrative overhead in a switched network by allowing the configuration of a new VLAN to be distributed to all the switches in a domain?
Options- A. STP
- B. VTP
- C. DHCP
- D. ISL Discuss
- 8. Which of the following protocols are used to configure trunking on a switch?
- VLAN Trunk Protocol
- VLAN
- 802.1Q
- ISL
Options- A. 1 only
- B. 3 only
- C. 3 and 4
- D. 1, 3 and 4 Discuss
- 9. Which switching technology reduces the size of a broadcast domain?
Options- A. ISL
- B. 802.1Q
- C. VLANs
- D. STP Discuss
- 10. Which of the following are advantages of using NAT?
- Translation introduces switching path delays.
- Conserves legally registered addresses.
- Causes loss of end-to-end IP traceability.
- Increases flexibility when connecting to the Internet.
- Certain applications will not function with NAT enabled.
- Reduces address overlap occurrence.
Options- A. 1, 3 and 4
- B. 3, 5 and 6
- C. 5 and 6
- D. 2, 4 and 6 Discuss
Virtual LANs problems
Search Results
Correct Answer: Server
Explanation:
Only in server mode can you change VTP information on a switch.
Correct Answer: Switches configured with VLANs
Explanation:
By creating and implementing VLANs in your switched network, you can break up broadcast domains at layer 2. For hosts on different VLANs to communicate, you must have a router or layer 3 switch.
Correct Answer: 100Mbps Ethernet
Explanation:
Although you can use either 100Mbps or 1Gbps Ethernet, the 100Mbps is necessary at a minimum and is the best answer to this question. You need to trunk the link from the switch to the router to make this connection work with inter-VLAN communication.
Correct Answer: 802.1Q
Explanation:
802.1Q was created to allow trunked links between disparate switches.
Correct Answer: switchport mode trunk
Explanation:
To set a switch port to trunk mode, which allows all VLAN information to pass down the link, use the
switchport mode trunk command.
Correct Answer: 2, 3 and 4
Explanation:
The valid modes of a VLAN trunk on a switch are dynamic auto, dynamic desirable, trunk (on), and nonegotiate.
Correct Answer: VTP
Explanation:
Virtual Trunk Protocol (VTP) is used to pass a VLAN database to any or all switches in the switched network. The three VTP modes are server, client, and transparent.
Correct Answer: 3 and 4
Explanation:
Cisco has a proprietary trunking protocol called ISL. The IEEE version is 802.1Q.
Correct Answer: VLANs
Explanation:
Virtual LANs break up broadcast domains in layer 2 switched internetworks.
Correct Answer: 2, 4 and 6
Explanation:
NAT is not perfect, but there are some advantages. It conserves global addresses, which allow us to add millions of hosts to the Internet without "real" IP addresses. This provides flexibility in our corporate networks. NAT can also allow you to use the same subnet more than once in the same network without overlapping networks.
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