What are two benefits of using a single OSPF area network design?()A.it reduces the number of required OSPF neighbor adjacenciesB.It reduces the types of LSAs that are generatedC.It is less CPU intensive for routers in the single areaD.It increases LSA re

第1题：

第2题：

Which description regarding OSPF Network LSAs is correct?（）

• A、They are originated by Area Border Router and are sent into a single area to advertise an Autonomous System Border Router.
• B、They are originat ed by Area Border Routers and are sent into a single area to advertise destinations outside that area.
• C、They are originated by the DR on every multi - access network. They include all attached routers including the DR itself.
• D、They are originated by  every router in the OPSF network. They include all routers on the link, interfaces, the cost of the link, and any known neighbor on the link.

第3题：

OSPF routing uses the concept of areas. What are the characteristics of OSPF areas?（）

• A、Each OSPF area requires a loopback interface to be configured. 
• B、Areas may be assigned any number from 0 to 65535.
• C、Area 0 is called the backbone area.
• D、Hierarchical OSPF networks do not require multiple areas.
• E、Multiple OSPF areas must connect to area 0.
• F、Single area OSPF networks must be configured in area 1.

第4题：

What are two benefits of using VTP in a switching environment?（）

• A、It allows switches to read frame tags.
• B、It allows ports to be assigned to VLANs automatically.
• C、It maintains VLAN consistency across a switched network.
• D、It allows frames from multiple VLANs to use a single interface.
• E、It allows VLAN information to be automatically propagated throughout the switching environment.

第5题：

What are two benefits of using a single OSPF area network design?（）

• A、it reduces the number of required OSPF neighbor adjacencies
• B、It reduces the types of LSAs that are generated
• C、It is less CPU intensive for routers in the single area
• D、It increases LSA response times.
• E、It removes the need for virtual links

第6题：

If all OSPF routers on a broadcast network have the same OSPF priority, what parameter is used to determine the new BDR at the time of a DR failure?（）

• A、area ID
• B、router ID
• C、loopback address
• D、IP address of interface on broadcast network

第7题：

Which two OSPF LSA types are new in OSPF version 3？ （）

• A、Link
• B、NSSA external
• C、Network link
• D、Intra-area prefix
• E、AS domain

第8题：

A co-worker is developing an implementation plan for a design that uses OSPF 2 and RIPv2 routing domains, with two routers redistributing between the two domains.The co- worker asks your help in choosing how to prevent domain loops by setting administrative distance. Assuming all other related settings use defaults, which of the following would solve the domain loop problem?（）

• A、The distance ospf intra - area 80 inter - area 80 OSPF subcommand
• B、T he distance ospf external 80 OSPF subcommand
• C、The distance ospf intra - area 180 inter - area 180 OSPF subcommand
• D、The distance ospf external 180 OSPF subcommand

第9题：

第10题：

第11题：

第12题：

第13题：

What are some of the characteristics of the OSPF routing protocol?（）

• A、It confines network instability to a single area of network.
• B、It increases the routing overhead of the network
• C、It supports VLSM
• D、It routes between Autonomous Systems.
• E、It allows extensive control of routing updates
• F、None of the above

第14题：

From a design perspective which two of the following OHPF Statements are most relevant？（）

• A、 OSPF stub areas can be thought of as a simple form of summarization
• B、 OSPF cannot filter intra area routes
• C、 An ARR ran only exist in two areas - the backbone and one adjacent area
• D、 Performance issues in the Backbone area can be offset by allowing some traffic to transit anon-backbone area
• E、 the size of an area （the LSDB） will be constrained by the size of the IP MTU

第15题：

When verifying OSPF virtual link problems, which is an important item to check on the two transit OSPF routers?（）

• A、OSPF process ID
• B、OSPF router ID
• C、OSPF network type
• D、OSPF memory usage
• E、OSPF CPU utilization
• F、OSPF stub area configurations

第16题：

What OSPF command, when configured, will include all interfaces into area 0?（）

• A、network 0.0.0.0 255.255.255.255 area 0
• B、network 0.0.0.0 0.0.0.0 area 0
• C、network 255.255.255.255 0.0.0.0 area 0
• D、network all-interfaces area 0

第17题：

What are two benefits of clustered access points on a small business network using the Cisco500 Series Access Point？ （）

• A、 Cisco IOS configuration
• B、 tri-band 11g single radios
• C、 rouge AP integration
• D、 single view to deploy and manage
• E、 secure guest access

第18题：

he requirement for high availability within the Data Center network may cause the designer toconsider which one of the following solutions？（）

• A、 Construct a hierarchical network design using EtherChannel between a server and two VDCsfrom the same physical switch
• B、 Utilize Cisco NSF with SSO to provide intrachassis SSO at Layers 2 to 4
• C、 Define the Data Center as an OSPF NSSA area， advertising a default route into the DC And summarizing the routes out of the NSSA to the Campus Core
• D、 Implement network services for the Data Center as a separate services layer usingactive/active model that is more predictable in failure conditions

第19题：

Which two are NOT characteristics of the OSPF routing protocol?（）

• A、It confines network instability to a single area of network.
• B、It increases the routing overhead of the network
• C、It supports VLSM
• D、It routes between Autonomous Systems.
• E、It allows extensive control of routing updates

第20题：

什么命令序列将配置一个路由器运行OSPF，并添加网络10.1.1.0/24 area0？（）

• A、router ospf area 0 network 10.1.1.0 255.255.255.0 area 0
• B、router ospf network 10.1.1.0 0.0.0.255
• C、router ospf 1 network 10.1.1.0 0.0.0.255 area 0
• D、router ospf area 0 network 10.1.1.0 0.0.0.255 area 0
• E、router ospf network 10.1.1.0 255.255.255.0 area 0
• F、router ospf 1 network 10.1.1.0 0.0.0.255

第21题：

第22题：

第23题：

第24题：