多选题Which two restrictions must the Enterprise Campus network designer consider when evaluatingWAN connectivity options？ （）AOSPF over multicast EMS or VPLS network may not have consistent broadcast or multicastperformanceBIP multicast is not supported over

第1题：

Which two benefits are provided when Cisco enterprise solutions are employed across all placesin the network? （）(Choose two.)

• A、regular upgrade process
• B、multivendor support
• C、cost savings
• D、product variety
• E、well-tested interoperability

第2题：

When designing the Network Admission Control （NAC） Appliance for the Enterprise Campus Network， which of the following requirements would help the designer to narrow down the NAC choices， from Virtual Gateway to Real IP Gateway， or from In-band to Out-band？（）

• A、 QoS ToS/DSCP values are required to be forwarded transparently
• B、 Device redundancy is required
• C、 Per-user ACL support is required
• D、 Multicast service support is required

第3题：

Router R1 sits at an Enterprise branch office, using both the Internet and a leased line to another Enterprise router for its two connectivity options back into the rest of the Enterprise network. The engineer planning for this branch decided to use the leased line for all Enterprise traffic, unless it fails, in which case the Internet connection should be used to pass traffic to the Enterprise. Which of the following is most likely to be useful on the branch router?（）

• A、IPsec tunnel
• B、GRE tunnel
• C、Floating stati c route
• D、An IGP

第4题：

When an Enterprise Campus network designer is addressing the merger of two companies with different IGPs， which of the following is considering a super routing design？（）

• A、 Eliminate the management and support for redistribution by choosing and cutting over to asingle IGP at the time of merger
• B、 Maintain distinct pockets across a moving boundary of routing protocols， redistributing betweenthem
• C、 Manipulate the administrative distance of the different IGPs to be equal throughout the network
• D、 Leave the IGPs independent without redistribution wherever communication between companyentities is not required

第5题：

In which area of the campus LAN are the user computers attached to the network?（）

• A、core
• B、access
• C、distribution
• D、aggregation

第6题：

In which two locations in an enterprise network can an IPS sensor be placed？ （）

• A、 bridging VLANs on two switches
• B、 bridging two VLANs on one switch
• C、 between two Layer 2 devices with trunking
• D、 between two Layer 2 devices without trunking
• E、 between a Layer 2 device and a Layer 3 device with trunking

第7题：

You are configuring a new Catalyst switch that you want to manage remotely from workstations on other network segments within your enterprise.Which of the following are required to allow remote management of the switch over IP?（）

• A、The switch name must match the workgroup name of the local network.
• B、The switch must be configured with an IP address and default gateway.
• C、The remote workstations must have access to the management VLAN of the switch.
• D、CDP must be enabled on the switch so that it can be located by other devices on the network.

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第13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14题：

Which version of spanning tree is recommended for the enterprise campus?（）

• A、CST
• B、MST
• C、STP
• D、PVST+
• E、RPVST+

第15题：

Which two restrictions must the Enterprise Campus network designer consider when evaluatingWAN connectivity options？ （）

• A、 OSPF over multicast EMS or VPLS network may not have consistent broadcast or multicastperformance
• B、 IP multicast is not supported over Lover 3 MPLS VPN； instead a Layer 2 MPLS WN must beutilized with service provider support
• C、 QoS requirements with MPLS-VPN must be implemented by the service provider
• D、 Hierarchical VPLS designs are the least scalable
• E、 IGMP snooping is not on option with VPLS or EMS； instead administrative scoping or allowingsufficient bandwidth for unnecessary multicast traffic at the edge links is required

第16题：

Which typical enterprise campus requirement ensures that the network supports the required applications and that data flows within the required time frames？（）

• A、 availability
• B、 performance
• C、 functionality
• D、 manageability

第17题：

Two buildings on the San Jose campus of a small company must be connected to use Ethernet with a bandwidth of at least 100 Mbps. The company is concerned about possible problems from voltage potential differences between the two buildings. Which media type should be used for the connection（）。

• A、UTP cable
• B、STP cable
• C、coaxial cable
• D、fiber optic cable

第18题：

Which of the following is true concerning best design practices at the switched Access layer of thetraditional layer2 Enterprise Campus Network？（）

• A、 Cisco NSF with SSO and redundant supervisors has the most impact on the campus in theAccess layer
• B、 Provides host-level redundancy by connecting each end device to 2 separate Access switches 
• C、 Offer default gateway redundancy by using dual connections from Access switches toredundant Distribution layer switches using a FHRP
• D、 Include a link between two Access switches to support summarization of routing information

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