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What is the difference between vlan and inter-vlan?
VLAN is a group of hosts with a common set of requirements that communicate as if they were attached to the same broadcast domain, regardless of their physical location. Inter VLAN is defined as two VLANS connected to each other and communicating.
How can a VLAN help to improve voice traffic?
A Vlan can be used to reduced the amount of background chatter on the network from other devices not used by VOIP.
What is the difference between a access port and a trunk port?
• Access link: An access link is a link that is part of only one VLAN, and normally access links are for end devices. Any device attached to an access link is unaware of a VLAN membership. An access-link connection can understand only standard Ethernet frames. Switches remove any VLAN information from the frame before it is sent to an access-link device.• Trunk link: A Trunk link can carry multiple VLAN traffic and normally a trunk link is used to connect switches to other switches or to routers. To identify the VLAN that a frame belongs to, Cisco switches support different identification techniques (VLAN Frame tagging). Our focus for CCNA examination is on Inter-Switch Link (ISL) and 802.1Q.A trunk link is not assigned to a specific VLAN. Many VLAN traffic can be transported between switches using a single physical trunk link.
What is Difference between access link and trunk link?
Access like carry the single vlan information & Trunk link able to carry the multiple vlan information when frames are travels from trunk mani shanker
What switch features are typically used with Voice Over Internet Protocol?
VLAN and PoE are used
Why should you reassign a port to another VLAN before removing the VLAN from the VLAN database?
Reassigning a port to another VLAN before removing the VLAN from the VLAN database ensures that there is no disruption in network connectivity for devices connected to that port. If a port is removed from a VLAN without reassignment, it may result in loss of access to the network for those devices, causing potential downtime and disruption. Additionally, this practice helps maintain network organization and prevents configuration errors that could arise from deleting a VLAN that still has active ports.
Ccna 3 exam final?
What is the purpose of VLAN trunking
What two methods avoid unintentional VLAN database corruption when adding a new switch?
1) reset the revision number before installing. 2) have a backup switch with existing VLAN data.
What is the purpose of database?
The purpose of a database is to store large amounts of information.
What is per vlan rapid spanning tree protocol?
Establishing STP per VLAN basis instead of entire VLAN network, so one STP for one VLAN and this for the security purpose where cisco extended its feature further naimg as PVSTP+,remember both are pvstp and pvstp+ are cisco proprietary and doesn't find use in other switches
How do you create VLAN step-by-step?
AnswerVLANs are created on Layer 2 switches to control broadcasts and enforce the use of a Layer 3 device for communications. Each VLAN is created in the local switch's database for use. If a VLAN is not known to a switch, that switch cannot transfer traffic across any of its ports for that VLAN. VLANs are created by number, and there are two ranges of usable VLAN numbers (normal range 1-1000 and extended range 1025-4096). When a VLAN is created, you can also give it certain attributes such as a VLAN name, VLAN type, and its operational state. To create a VLAN, use the following steps.1) Configure VTP. VTP is a protocol used by Cisco switches to maintain a consistent database between switches for trunking purposes. VTP is not required to create VLANs; however, Cisco has set it up to act as a conduit for VLAN configuration between switches as a default to make administration of VLANs easier. Because of this, you must first either configure VTP with a domain name or disable VTP on the switch.2) Create the VLAN. VLANs are created by number. The two ranges of VLANs are as follows: The standard range consists of VLANs 1 to 1000. The extended range consists of VLANs 1025 to 4096. Extended VLANs are currently supported only on switches running COS software version 6.1 or greater. When you create a VLAN, you have many options to consider. Many options are valid only for FDDI and Token Ring VLANs. Some of the items configured deal with options, such as private VLANs, which are discussed in other sections in this book. VLANs are created using the set vlan command for COS devices or with the vlan command in vlan database mode for IOS switches.
What is the purpose of the switch command switch port access vlan 99?
the switchport access vlan 99 command is used to designate a specific VLAN for a switch port, allowing you to control how traffic on that port is treated and segregated from traffic on other ports and VLANs in the network. This is a fundamental configuration step in building and managing VLANs within a network infrastructure.
What will happen if vtp client has a higher revision number than vtp server?
It does. But only when the client is just introduced in the network. A summary/subset advertised is only send by the server-mode switch if there is a change in its vlan database which will affect the configuration revision no., or if the timer expires (5 mins). However, if a client-mode switch comes in the network or boots up, it will send a summary advertisement to all the other switches. Once it receives a summary advertisement from the server, it knows that it has a higher revision no. and immediately a subsert information which contains its vlan database. This the server with lower configuration no. will accept and flush its vlan database and accept the database of the client. This is because the summary or subset information does not say whether it is sent by the client or the server.
The network administrator wants to separate hosts in building a into two vlans numbered 20 and 30 which two statements are true concerning vlan configuration?
- TheVLANs may be named.- The network administrator may create the VLANs in either global configuration mode or VLAN database mode.
What name is given to a vlan on an ieee 802.1q trunk whose frames are not tagged?
The name given to a VLAN on an IEEE 802.1Q trunk whose frames are not tagged is the "native VLAN." The native VLAN is used for untagged traffic on a trunk link, allowing devices that do not support VLAN tagging to communicate over the trunk. By default, VLAN 1 is designated as the native VLAN, but this can be changed to another VLAN as needed.
What is the purpose of issuing the command switch-port mode access on a switch interface?
force the port to be a part of a single vlan
What is mean of shutdown vlan 17?
The command "shutdown vlan 17" is used in network configuration to disable VLAN 17 on a network switch. When executed, it effectively prevents any traffic from being forwarded through this VLAN, rendering it inactive. This can be useful for network management purposes, such as troubleshooting or reconfiguring the VLAN. To reactivate the VLAN, the command "no shutdown vlan 17" would be used.
