Routing convergence time is which of the following？（）A、Time required for a VPN connection to occurB、Time required by protocols to update their forwarding tables after changes have occurredC、Time required for an IDS to detect suspicious softwareD、Time requ

第1题：

Which two statements are characteristics of a distance vector routing protocol?（）

• A、RIP is an example of distance vector routing protocols
• B、Updates are periodic and include the entire routing table
• C、Routing updates are sent only after topology changes
• D、The protocol can be useful in hub-and-spoke and hierarchical networks
• E、Convergence is usually faster than with link state protocols
• F、Each router has its own view of the topology

第2题：

The TestKingA router is configured as shown below: TestKingA(config)# interface loopback 0 TestKingA(config-if)# ip address 192.168.16.24 255.255.255.255 As a result of this change, which of the statements below are true?（）

• A、It creates a virtual, software only, interface.
• B、It provides a way to test the convergence of OSPF routing updates.
• C、The mask of 255.255.255.255 is called a host mask.
• D、It uses a wildcard mask of 255.255.255.255.
• E、It ensures that an interface is always active for OSPF processes.
• F、Loopback interfaces must be numbered 0.

第3题：

You are about to design a very fast convergence time on a service provider network. Which feature wouldyou utilize to declare a link failure within less than two seconds of the fault on a link？（）

• A、fast convergence SFP
• B、MTU discovery
• C、redundancy links
• D、keepalive
• E、carrier delay

第4题：

Which two design recommendations are most appropriate when OSPF is the data center core routing protocol？ （）

• A、 Never use passive interfaces.
• B、 Use NSSA areas from the core down.
• C、 Use totally stub areas to stop type 3 LSAs.
• D、 Use the lowest Ethernet interface IP address as the router ID.
• E、 Tune OSPF timers to enable OSPF to achieve quicker convergence

第5题：

How are RIP routing contexts implemented in MPLS VPN? （）

• A、RIP does not support routing contexts
• B、routing contexts are implemented in a single routing process
• C、routing contexts are implemented using multiple routing processes
• D、routing contexts are implemented as several instances of a single routing process
• E、routing contexts are implemented as a single instance of several routing processes

第6题：

The routers named Testking1 and Testking2 are both configured with RIP only.What will happen in the event of Testking1 receiving a routing update that contains a higher cost path to a network already in its routing table?（）

• A、The update information will be added to the existing routing table.
• B、The update information will replace the existing routing table entry.
• C、The update will be ignored and thus no further action will occur.
• D、The existing routing table entry will be purged from the routing table and all routers will attempt convergence.

第7题：

For which two network problems would QoS be a good solution？（）

• A、serialization delay
• B、end-to-end delay
• C、lack of bandwidth
• D、inconsistent port costs
• E、routing table convergence issues
• F、poor file transfer rates

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第13题：

What does RPL stand for？（）

• A、routing primary language
• B、routing policy language
• C、routing police language
• D、routing program language
• E、routing protocol language

第14题：

Which of the following is the name of the routing update process involved when a change occursin the routing environment?（）

• A、Supernetting
• B、Dynamic
• C、Subletting
• D、Convergence

第15题：

Which two statements are characteristics of a distance vector routing protocol?（）

• A、RIP is an example of distance vector routing protocols.
• B、Updates are periodic and include the entire routing table.
• C、Routing updates are sent only after topology changes
• D、The protocol can be useful in hub-and-spoke and hierarchical networks.
• E、Convergence is usually faster than with link state protocols
• F、Each router has its own view of the topology

第16题：

Which two statements about layer 3 access designs are correct？（）

• A、 IP address space is difficult to manage.
• B、 Broadcast and fault domains arc increased
• C、 Convergence time is fractionally slower than STP
• D、 Limits on clustering and NIC teaming are removed
• E、 Fast uplink convergence is supported tor failover and fallback

第17题：

ou are the Cisco Network Designer in Cisco.com. Which of these practices should you followwhen designing a Layer 3 routing protocol？（）

• A、 Never peer on transit links.
• B、 Build squares for deterministic convergence.
• C、 Build inverted U designs for deterministic convergence.
• D、 Summarize routes at the distribution to the core to limit EIGRP queries or OSPF LSA propagation.

第18题：

Which two design recommendations are most appropriate when OSPF is the data center core routing protocol? （）

• A、Never use passive interfaces.
• B、Use NSSA areas from the core down.
• C、Use totally stub areas to stop type 3 LSAs.
• D、Use the lowest Ethernet interface IP address as the router ID.
• E、Tune OSPF timers to enable OSPF to achieve quicker convergence.

第19题：

What is an appropriate use of a default route？（）

• A、to provide routing to a local web server
• B、to provide routing from an ISP to a stub network
• C、to provide routing that will override the configured dynamic routing protocol
• D、to provide routing to a destination that is not specified in the routing table and which is outside the local network

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