Private VLANS can be configured as which three of these port types？（）A、isolatedB、protectedC、privateD、associatedE、promiscuousF、munity

第1题：

Which two statements about voice VLANs are correct？（）

• A、Voice VLANs eliminate the need for QoS configuration
• B、Voice VLANs are used on trunk links to eliminate the need for QoS CoS markings
• C、Voice VLANs are mainly used to reduce the number of access switch ports that are used in the network
• D、Voice VLANs can be configured to forward existing CoS priorities or override them
• E、Voice VLANs are mainly used between access layer switches and distribution layer switches
• F、Voice VLANs can be configured on Layer 2 ports only

第2题：

What are some characteristics of the typical VLAN arrangement?（）

• A、VLANs logically divide a switch into multiple, independent switches at Layer 2.
• B、Trunk links can carry traffic for multiple VLANs.
• C、VLAN implementation significantly increases traffic due to added trunking information.
• D、A VLAN can span multiple switches.
• E、VLANs extend the collision domain to include multiple switches.
• F、VLANs typically decrease the number of multiple switches.

第3题：

1. public class Target {  2. private int i = 0；  3. public int addOne（） {  4. return ++i；  5. }  6. }  And：  1. public class Client {  2. public static void main（String[] args） {  3. System.out.println（new Target（）.addOne（））；  4. }  5. }  Which change can you make to Target without affecting Client？（） 

• A、 Line 4 of class Target can be changed to return i++；
• B、 Line 2 of class Target can be changed to private int i = 1；
• C、 Line 3 of class Target can be changed to private int addOne（） {
• D、 Line 2 of class Target can be changed to private Integer i = 0；

第4题：

What are three advantages of VLANs?（）

• A、VLANs establish broadcast domains in switched networks.
• B、VLANs utilize packet filtering to enhance network security.
• C、VLANs provide a method of conserving IP addresses in large networks.
• D、VLANs provide a low-latency internetworking alternative to routed networks.
• E、VLANs allow access to network services based on department, not physical location.
• F、VLANs can greatly simplify adding, moving, or changing hosts on the network.

第5题：

How could a large corporation with many specialized divisions benefit from using VLANs on their networks?（）

• A、VLANs allow access to network services based on department, not physical location.
• B、VLANs utilize packet filtering to enhance network security.
• C、VLANs provide a low-latency, high bandwidth internetworking alternative.
• D、VLANs provide a method of communication between IP addresses in large networks.
• E、VLANs establish segmented broadcast domains in switched networks.
• F、VLANs can greatly simplify adding, moving, or changing hosts on the network.

第6题：

Given the output of the Floor3 switch, what statement describes the operation of this switch（）。

• A、VTP is disabled on this switch.
• B、The switch can create, change, and delete VLANs.
• C、The switch learns VLAN information but does not save it to NVRAM.
• D、The switch can create VLANs locally but will not forward this information to other switches.
• E、The switch learns VLAN information and updates the local VLAN data base in NVRAM.

第7题：

Which three mechanisms are used to secure management traffic from outside IPS sensors?（）

• A、secure tunnels
• B、a separate management VLAN
• C、secure VLANs to isolate sensors
• D、an out-of-band path around the firewall
• E、asymmetric traffic flows to isolate sensors
• F、private VLANs to put all sensors on isolated ports

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第13题：

What are three advantages of VLANs?（）

• A、VLANs establish broadcast domains in switched networks.
• B、VLANs utilize packet filtering to enhance network security.
• C、VLANs provide a method of conserving IP addresses in large networks.
• D、VLANs provide a low-latency internet working alternative to routed networks.
• E、VLANs allow access to network services based on department, not physical location.
• F、VLANs can greatly simplify adding, moving, or changing hosts on the network.

第14题：

Which statement ab0ut VLANs in a Cisco UCS is true?（）

• A、Fabric interconnect can never participate in VTP
• B、Fabric interconnect supports ISL and 802.1Q trunking
• C、The supported range of VLANs is auto-configured by UCS
• D、VLANs are configured through the Cisco UCS manager. （fabric interconnect may be set up in switch mode）

第15题：

What are some of the characteristics of a typical VLAN arrangement?（）

• A、VLANs logically divide a switch into multiple, independent switches at Layer 2.
• B、Trunk links can carry traffic for multiple VLANs.
• C、VLAN implementation significantly increases traffic due to added trunking information.
• D、A VLAN can span multiple switches.
• E、VLANs typically increase the number of switches needed
• F、VLANs typically decrease the number of switches needed

第16题：

Which of the following can be an expected outcome of a VLAN?（）

• A、VLANs logically divide a switch into multiple, independent switches at Layer 2.
• B、Trunk links can carry traffic for multiple VLANs.
• C、VLAN implementation significantly increases traffic due to added trunking information.
• D、VLANs can span multiple switches.
• E、VLANs typically decrease the number of switches needed

第17题：

Which two statements are true about the configuration of voice VLANs？（）

• A、Static secure MAC addresses can be configured in conjunction with voice VLANs.
• B、PortFast is automatically enabled when voice VLANs are configured.
• C、PortFast must be manually configured when voice VLANs are configured.
• D、Voice VLANs are typically configured on uplink ports.
• E、Voice VLANs are typically configured on access ports.

第18题：

Switch SW1 has been configured with Private VLANs. With that type of PVLAN port should thedefault gateway be configured？（）

• A、Trunk
• B、Isolated
• C、Primary
• D、Community
• E、Promiscuous
• F、None of the other alternatives apply

第19题：

What are three benefits of implementing vlans?（）

• A、A more efficient use of bandwidth can be achieved allowing many physical groups to use the same network infrastructure
• B、Broadcast storms can be mitigated by decreasing the number of broadcast domains,thus increasing their size.
• C、A higher level of network security can be reached by separating sensitive data traffic from other network traffic.
• D、Port-based vlans increase switch-port use efficient,thanks to 802.1Q trunks
• E、A more efficient use of bandwidth can be achieved allowing many logical networks to use the same network infrastructure.
• F、Broadcast storms can be mitigated by increasing the number of broadcast domains,thus reducing their size.
• G、VLANs make it easier for IT staff to configure new logical groups,because the vlans all belong to the same broadcast domain.

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