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What are three valid reasons to assign ports to VLANs on a switch?（）
A . to make VTP easier to implement
B . to isolate broadcast traffic
C . to increase the size of the collision domain
D . to allow more devices to connect to the network
E . to logically group hosts according to function
F . to increase network security
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You have configured voice VLANs on Catalyst switch R1. Which two statements are true about the operation of voice VLANs on this device？ （）
A . When the voice VLAN feature is enabled， all untagged traffic is sent according to the default CoS priority of the port.
B . Enabling voice VLANs enables the switch to create multiple queues for traffic that is entering a port.
C . When voice VLANs are configured on a trunk link， UplinkFast must also be enabled.
D . Voice VLANs are configured to enable the switch to forward frames marked with the proper CoS values over separate physical links.
E . Enabling voice VLANs enables the switch to forward frames with a specific 802.1P marking.
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You want to configure switch R1 to propagate VLAN information across the Company network using VTP. What must be configured on a Cisco switch in order to advertise VLAN information？（）
A . VTP mode
B . VTP password
C . VTP revision number
D . VTP pruning
E . VTP domain name
F . None of the other alternatives apply
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What are three valid reasons to assign ports to VLANs on a switch？（）
A . to make VTP easier to implement
B . to isolate broadcast traffic
C . to increase the size of the collision domain
D . to allow more devices to connect to the network
E . to logically group hosts according to function
F . to increase network security
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Two directly connected routers， R1 and R2， are both configured for OSPF graceful restart. R2 is able to switch packets in hardware， but R1 is not. If a network administrator logs on to R2 and performs a system reload， which will be the result？（）
A . Traffic forwarded from R2 to or through R1 will continue to be forwarded based on the forwarding table state at the time of the reload.
B . R2 will continue to forward traffic to R1， but R1 will drop the traffic because its neighbor adjacency with R2 has failed.
C . R2 will continue forwarding traffic to and through R1， but R1 will drop this traffic because it is not capable of maintaining its forwarding state.
D . All the traffic R2 is forwarding to or through R1 will be dropped while OSPF rebuilds its neighbor adjacency and forwarding tables.
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VTP is configured on switch R1. Which of the following features were added in VTP version 2 that were not previously supported in VTP version 1？（）
A . Supports Token Ring VLANs.
B . Allows VLAN consistency checks.
C . Saves VLAN configuration memory.
D . Reduces the amount of configuration necessary.
E . Allows active redundant links when used with spanning tree.
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In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN?（）
A . after broken links are re-established
B . in an improperly implemented redundant topology
C . when upper-layer protocols require high reliability
D . during high traffic periods
E . when a dual ring topology is in use
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A switch that is to be added to the production network has been preconfigured （trunks， VLANs， VTP， and STP） and was tested in your lab. After installing the switch into the network， the entire network went down. What might explain what happened？ （）
A . The new switch happened to be running Cisco Catalyst operating system， while the other network switches were running Cisco IOS Software.
B . The configuration revision of the new switch was higher than the configuration revision of the production VTP domain.
C . The link costs on the new switch are set to a high value， causing all ports on the new switch to go into a forwarding mode and none into blocking mode， thereby causing a spanning-tree loop.
D . The ports connecting to the two switches have been configured incorrectly. One side has the command switchport mode access and the other switchport mode trunk.
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Assuming default setting,how can you erase the VTP database of VLANs on a CISCO IOS switch running in VTP server mode?（）
A . Enable VTP pruning
B . From privileged mode ,erase the startup configuration file,then reload.
C . From privileged mode ,erase the vlan date file, then reload.
D . Cycle the switch power.
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Switch R1 has been configured with Private VLANs. With that type of PVLAN port should the default gateway be configured？（）
A . Trunk
B . Isolated
C . Primary
D . Community
E . Promiscuous
F . None of the other alternatives apply
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Switch R1 is configured with VTP. Which two VTP modes will make R1 capable of creating and deleting VLANs on itself？ （）
A . Client
B . Server
C . Transparent
D . Pass-through
E . No-negotiate
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Refer to the exhibit. In the diagram， the switches are running IEEE 802.1s MST. Which ports are in the MST blocking state？（）https://assets.asklib.com/images/image2/2018072317300046507.jpg
A . GE-1/2 and GE 2/1
B . GE-1/1 and GE-2/2
C . GE-3/2 and GE 4/1
D . no ports are in the blocking state
E . There is not enough information to determine which ports are in the blocking state.
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When a new trunk link is configured on an IOS based switch, which VLANs are allowed over the link?（）
A . All defined VLANs are allowed on the trunk by default.
B . Each VLAN, or VLAN range, that is specified with the switchport mode command.
C . Each VLAN, or VLAN range, that is specified with the vtp domain command.
D . Each VLAN, or VLAN range, that is specified with the vlan database command.
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Switch R1 is configured to use the VLAN Trunking Protocol （VTP）. What does R1 advertise in its VTP domain？（）
A . The VLAN ID of all known VLANs，the management domain name，and the total number of trunk links on the switch.
B . The VLAN ID of all known VLANs，a 1-bit canonical format （CF1 Indicator），and the switch configuration revision number.
C . The management domain name，the switch configuration revision number，the known VLANs， and their specific parameters.
D . A 2-byte TPID with a fixed value of 0x8100 for the management domain number，the switch configuration revision number，the known VLANs，and their specific parameters.
E . None of the other alternatives apply.
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R1 and R2 are switches that communicate via VTP. What is the default VTP advertisement intervals in Catalyst switches that are in server or client mode？（）
A . 30 seconds
B . 5 minutes
C . 1 minute
D . 10 seconds
E . 5 seconds
F . None of the other alternatives apply
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Refer to the exhibit. In the diagram, the switches are running IEEE 802.1s MST. Which ports are in the MST blocking state?（）https://assets.asklib.com/images/image2/2018072317220752705.jpg
A . GE-1/2 and GE 2/1
B . GE-1/1 and GE-2/2
C . GE-3/2 and GE 4/1
D . no ports are in the blocking state
E . There is not enough information to determine which ports are in the blocking state
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VLAN maps have been configured on switch R1. Which of the following actions are taken in a VLAN map that does not contain a match clause？ （）
A . Implicit deny feature at end of list.
B . Implicit deny feature at start of list.
C . Implicit forward feature at end of list
D . Implicit forward feature at start of list.
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When a new trunk is configured on a 2950 switch, which VLANs by default are allowed over the trunk link?（）
A . no VLANs
B . all VLANs
C . only VLANs 1 - 64
D . only the VLANs that are specified when creating the trunk
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The Company LAN switches are being configured to support the use of Dynamic VLANs. Which of the following are true of dynamic VLAN membership？（）
A . VLAN membership of a user always remains the same even when he/she is moved to another location.
B . VLAN membership of a user always changes when he/she is moved to another location.
C . Membership can be static or dynamic.
D . Membership can be static only.
E . None of the other alternatives apply.
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What are three valid reasons to assign ports on VLANs on a switch?（）
A . to make VTP easier to implement
B . to isolate broadcast traffic
C . to increase the size of the collision domain
D . to allow more devices to connect to the network
E . to logically group hosts according to function
F . to increase network security
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When a new trunk is configured on a 2950 switch, which VLANs by default are allowed over the trunk link（）。
A . no VLANs
B . all VLANs
C . only VLANs 1 - 64
D . only the VLANs that are specified when creating the trunk
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You are the network consultant from Cisco.com. Please point out the reason that STP required when VLANs do not span access layer switches.（）
A . ensure a loop-free topology
B . protect against user-side loops
C . support business applications
D . risk of lost connectivity without STP
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What are three valid reasons to assign ports on VLANs on a switch？（）
A. to make VTP easier to implement
B. to isolate broadcast traffic
C. to increase the size of the collision domain
D. to allow more devices to connect to the network
E. to logically group hosts according to function
F. to increase network security
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You are a senior network administrator at TestKing and your trusty junior administrator tells you that he failed his task of adding VLAN 50 to a Catalyst switch in the network. You enter in the ‘show vtp status‘ command and get this output:TK2 show vtp statusVTP Version :2Configuration Revision :7Maximum VLANs supported local :68Number of existing VLANs :8VTP Operating Mode :ClientVTP Domain Name :corpVTP Pruning Mode :DisabledVTP V2 Mode :DisabledVTP Traps Generation :DisabledMD5 digest :0x22 0xF3 0x1AConfiguration last modified by 172.18.22.15 at 5-28-03 1t:53:20What commands must be issued on this switch to add VLAN 50 to the database？（）
A. TK2(config-if) switchport access vlan 50
B. TK2(vlan) vtp server
C. TK2(config) config-revision 20
D. TK2(config) vlan 50 name Tech
E. TK2(vlan) vlan 50
F. TK2(vlan) switchport trunk vlan 50
