Which statement about data center access layer design modes is correct?()A. The access layer is the first oversubscription point in a data center design.B. When using a Layer 2 loop-free design, VLANs are extended into the aggregation layer.C. When using

第1题：

Which statement about the S-Series native FTP proxy is not true？（） 

• A、 both active and passive modes FTP are supported
• B、 by default the FTP proxy uses port 8021
• C、 access polices may apply to native FTP traffic
• D、 data loss prevention policies may apply to native FTP traffic
• E、 authentication is supported in transparent mode

第2题：

When you design QoS on CE for an MPLS Layer 2 VPN， which three things should be considered？（）

• A、Layer 2 access link QoS design
• B、enterprise-to-service-provider mapping models
• C、Layer 3 link access QoS design
• D、service provider service level agreements
• E、Layer 2 link access load balancing

第3题：

Which statement about the Lightweight Access Point Protocol （LWAPP） is true？（）

• A、 LWAPP encrypts control traffic between the AP and the controller.
• B、 LWAPP encrypts user traffic with a x.509 certificate using AES-CCMP
• C、 LWAPP encrypts both control traffic and user data.
• D、 When set to Layer 3， LWAPP uses a proprietary protocol to communicate with the Cisco Aironet APs.

第4题：

Which three statements about firewall modes are correct？ （）

• A、 A firewall in routed mode has one IP address
• B、 A firewall in transparent mode has one IP address
• C、 In routed mode， the firewall is considered to be a Layer 2 dew
• D、 In routed mode， the firewall is considered to be a Layer 3 device
• E、 In transparent mode， the firewall is considered to be a Layer 2 device
• F、 In transparent mode， the firewall is considered to be a Layer 3 device

第5题：

Which two design recommendations are most appropriate when EIGRP is the data center corerouting protocol？ （）

• A、 Summarize data center subnets.
• B、 Use passive interfaces to ensure appropriate adjacencies.
• C、 Tune the EIGRP timers to enable EIGRP to achieve quicker convergence.
• D、 Adjust the default bandwidth value to ensure proper bandwidth on all links.
• E、 Advertise a default summary route into the data center core from the aggregation layer.

第6题：

Which two statements correctly describe a situation in which an Active/Standby Service Module design is being used?（）

• A、Troubleshooting is more complicated.
• B、Service and switch modules are underutilized.
• C、Layer 2 adjacency is required with the servers that use this design.
• D、Layer 3 adjacency is required with the servers that use this design.
• E、Load balancing will always occur across both access layer uplinks.

第7题：

Which statement correctly describes a situation in which VRFs are used in the data center?（）

• A、Partitioning of network resources is enabled.
• B、VRFs cannot support path isolation from MAN/WAN designs.
• C、VRFs cannot be used to map a virtualized data center to a MPLS implementation.
• D、VRFs do not allow for the use of application services with multiple access topologies.
• E、An access design using a VRF allows for an aggregation layer service module solution.

第8题：

Which statement is TRUE about the CacheFactory class ？（）

• A、 it is a topology agnostic way to access NamedCaches
• B、 it provides mechanisms to manage underlying remote data sources
• C、 both A and B are TRUE
• D、Neither A nor B are TRUE

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第13题：

Which statements about 802.1Q trunking in Secure Network Foundation Design Guide for Single Site Deployments are correct？（）

• A、The Cisco Control VLAN carries only Layer 2 control traffic
• B、802.1Q trunking is used between the access switch and the router
• C、There is no 802.1Q trunking used in these designs
• D、When 802.1Q trunks are configured， they are also called Native VLANs
• E、Trunking Ensures that traffic from only one VLAN is carried on that trunk

第14题：

Which unique characteristics of the Data Center Aggregation layer must be considered by an Enterprise Campus designer？（）

• A、 Layer 3 routing between the Access and Aggregation layers facilities the ability to span VLANsacross multiple access switches， which is a requirement for many server virtualization andclustering technologies.
• B、 “East-west” server-to-server traffic can travel between aggregation modules by way of the core，but backup and replication traffic typically remains within an aggregation module.
• C、 Load balancing， firewall service， and other network service are commonly integrated by the useof service modules that are inserted in the aggregation switched.
• D、 Virtualization tools allow a cost effective approach for redundancy in the network design byusing two or four VDCs from the same physical switch.

第15题：

In the three-layer hierarchical network design model；what’s associated with the access layer？（）

• A、optimized transport structure
• B、high port density
• C、boundary definition
• D、data encryption
• E、local VLANs
• F、route summaries

第16题：

Which statement is true about the data traffic between the access point named TKAP1 and  controller TKC1？（）

• A、 The data traffic between the access point and controller is not encrypted.
• B、 The data traffic is encapsulated with LWAPP.
• C、 The data traffic is switched at the access point before being sent to the WLAN controller where  VLAN tagging and QoS are applied.
• D、 The data traffic is encrypted with AES.
• E、 All of the above

第17题：

Which statement about data center access layer design modes is correct?（）

• A、The access layer is the first oversubscription point in a data center design.
• B、When using a Layer 2 loop-free design, VLANs are extended into the aggregation layer.
• C、When using a Layer 2 looped design, VLANs are not extended into the aggregation layer.
• D、When using a Layer 3 design,stateful services requiring Layer 2 connectivity are provisioned from the aggregation layer.
• E、The data center access layer provides the physical-level connections to the server resources and only operates at Layer 3.

第18题：

In a base e-Commerce module design, which routing statement is correct?（）

• A、Routing is mostly static.
• B、Hardcoded IP addresses are used to support failover.
• C、Inbound servers use the CSM or ACE as the default gateway.
• D、VLANs between the access layer switches are used for FHRP protocols.

第19题：

Which statement about access lists that are applied to an interface is true？（）

• A、you can apply multiple access lists with the same protocol or in different…
• B、you can config one access list，per direction，per layer 3 protocol
• C、you can place as many access lists as you want on any interface
• D、you can apply ony one access list on any interface

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