What benefit results from implementation of Layer 3 switchin

第1题：

When an IP packet is Layer 3-switched from a source in one VLAN to a destination in anotherVLAN, which field in a packet will be rewritten? （）

• A、Layer 2 TTL
• B、Layer 3 TTL
• C、Layer 3 source address
• D、Layer 3 transport protocol
• E、Layer 3 destination address

第2题：

You are tasked with designing a security solution for your network.  What information should be gathered prior to designing the solution？（）

• A、IP addressing design plans so that the network can be appropriately segmented to mitigate potential network threats
• B、detailed security device specifications
• C、results from pilot network testing
• D、results from a network audit

第3题：

第4题：

What are two benefits for the Cisco partner, derived from the Cisco SBR methodology? （）

• A、There is faster implementation of new business applications.
• B、Solution differentiation from the competition allows for premium margins.
• C、There is less risk through the implementation of proven solutions.
• D、Proactive planning enhances customer satisfaction.

第5题：

When an IP packet is Layer 3-switched from a source in one VLAN to a destination in another VLAN,which field in a packet will be rewritten? （）

• A、Layer 2 TTL
• B、Layer 3 TTL
• C、Layer 3 source address
• D、Layer 3 transport protocol
• E、Layer 3 destination address

第6题：

Assuming that an IP packet is sent from a source address in VLAN1 to a destination address in VLAN2 through a layer-3 switch, which part of the packet will be changed?（）

• A、Layer 2 TTL
• B、Layer 3 TTL
• C、Layer 3 source address
• D、Layer 3 destination address

第7题：

What is a critical piece of information that you should have when creating a VLAN-based implementation plan？（）

• A、approval from senior management
• B、end-user requirements
• C、IEEE 802.1X authentication parameters
• D、a summary implementation plan

第8题：

What is the best description of serialization delay？ （）

• A、the time it takes for a Layer 3 switch or a router to switch a packet from an inbound interface to the queue of the outbound interface
• B、the time it takes for a propagate from source to destination
• C、the time it takes to place a frame on the physical medium for transport
• D、the time a packet resides in the outbound queue of a router

第9题：

What is the function of the no switchport catalyst switch interface configuration command?（）

• A、Disables the interfaces to prevent traffic flow
• B、Clears all the configurations on the interface
• C、Switches the port from access mode to trunk mode
• D、Converts the port from physical Layer 2 port to physical Layer 3 port

第10题：

For what two purposes does the Ethernet protocol use physical addresses？（）

• A、to uniquely identify devices at Layer 2
• B、to allow communication with devices on a different network
• C、to differentiate a Layer 2 frame from a Layer 3 packet
• D、to establish a priority system to determine which device gets to transmit first
• E、to allow communication between different devices on the same network
• F、to allow detection of a remote device when its physical address is unknown