Which two options are contained in a VTP subset advertisement? (Choose two.)

Question

Exhibit

Options

• Afollowers field
• BMD5 digest
• CVLAN information
• Dsequence number

• A
  7% (3)
• B
  2% (1)
• C
  90% (38)

Explanation

Subset Advertisements When you add, delete, or change a VLAN in a Catalyst, the server Catalyst where the changes are made increments the configuration revision and issues a summary advertisement. One or several subset advertisements follow the summary advertisement. A subset advertisement contains a list of VLAN information. If there are several VLANs, more than one subset advertisement can be required in order to advertise all the VLANs. Subset Advertisement Packet Format This formatted example shows that each VLAN information field contains information for a different VLAN. It is ordered so that lowered-valued ISL VLAN IDs occur first: Most of the fields in this packet are easy to understand. These are two clarifications: Code -- The format for this is 0x02 for subset advertisement. Sequence number -- This is the sequence of the packet in the stream of packets that follow a summary advertisement. The sequence starts with 1. Advertisement Requests A switch needs a VTP advertisement request in these situations: The switch has been reset. The VTP domain name has been changed. The switch has received a VTP summary advertisement with a higher configuration revision than Upon receipt of an advertisement request, a VTP device sends a summary advertisement. One or more subset advertisements follow the summary advertisement. This is an example: Code--The format for this is 0x03 for an advertisement request. Start-Value--This is used in cases in which there are several subset advertisements. If the first (n) subset advertisement has been received and the subsequent one (n+1) has not been received, the Catalyst only requests advertisements from the (n+1)th one.

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