多选题Which three statements about EIGRP are true?（）AEIGRP converges fast RIP because of DUAL and backup routes that are stored in the topology table.BEIGRP uses a hello protocol to establish neighbor relationshipsCEIGRP uses split horizon and reverse poison

第1题：

Which two statements about EIGRP are true？（）

• A、EIGRP supports VLSM， route summarization， and routing update authentication.
• B、If the feasible successor has a higher advertised distance than the successor route， it becomes the primary route.
• C、Passive routes are in the process of being calculated by DUAL.
• D、EIGRP exchanges full routing table information with neighboring routers with every update.
• E、A query process is used to discover a replacement for a failed route if a feasible successor is not identified from the current routing information.

第2题：

Which three statements about Label-Switched Paths （LSPs） are true？ （）

• A、 LSPs are bidirectional.
• B、 LSPs are unidirectional.
• C、 LSPs can be signaled by CAC.
• D、 LSPs can be configured explicitly.
• E、 LSPs can be configured dynamically.

第3题：

Which three statements about performance analysis by SQL Performance Analyzer are true? （）(Choose three.)

• A、It detects changes in SQL execution plans.
• B、It produces results that can be used to create the SQL plan baseline.
• C、The importance of SQL statements is based on the size of the objects accessed.
• D、It generates recommendations to run SQL Tuning Advisor to tune regressed SQLs.
• E、It shows only the overall impact on workload and not the net SQL impact on workload.

第4题：

Which three statements are true about policing？ （）

• A、Out-of-profile packets are queued.
• B、It causes TCP retransmits.
• C、Marking and remarking are not supported.
• D、It does not respond to BECN and foresight messages.
• E、It uses a single- and two-bucket mechanism for metering.

第5题：

Which three statements are true about EIGRP route summarization?（）

• A、When manual summarization is configured, the router immediately creates a route that points to null0 interface
• B、Manual route summarization  is configured in router configuration mode when the router is configured for EIGRP routing
• C、Manual route summarization is configured on the interface
• D、The ip summary - address eigrp command generates a default route with an administrative distance  of 5
• E、When manual summarization is configured, the summary route will use the metric of the largest specific metric of the summary routes
• F、The ip summary - address eigrp command generates a default route with an administrative distance of 90

第6题：

Which three statements are true about EIGRP operation?（）

• A、When summarization is configured, the router will also create a route to null 0.
• B、The summary route remains in the route table, even if there are no more specific routes to the network.
• C、Summarization is configured on a per- interface level.
• D、The maximum metric for the specific routes is used as the metric for the summary route.
• E、Automatic summarization across major network boundaries  is enabled by default.

第7题：

Which three statements about EIGRP are true?（）

• A、EIGRP converges fast RIP because of DUAL and backup routes that are stored in the topology table.
• B、EIGRP uses a hello protocol to establish neighbor relationships
• C、EIGRP uses split horizon and reverse poisoning to avoid routing loops.
• D、EIGRP uses periodic updates to exchange routing information
• E、EIGRP allows routers of different manufacturers to interoperate
• F、EIGRP supports VLSM and authentication for routing updates.
• G、EIGRP use a broadcast address to send routing information.

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第13题：

Which of these statements is true about ssids configured in cisco adu？（）

• A、ssids are not case-sensitive.
• B、ssids must be listed in the same order in the adu as they are in the access point.
• C、a maximum of three ssids may be configured.
• D、ssids may have a maximum of 16 characters.

第14题：

Which three statements are true about terms in a policy?（）

• A、The order of the terms in a policy is irrelevant
• B、The action is specified in a then statement
• C、Ters are optional in a policy
• D、The match condition can be identified with a from statement
• E、Every policy must contain at least one term

第15题：

Which three statements are true about terms in a policy?（）

• A、The order of the terms in a policy is irrelevant.
• B、The action is specified in a then statement.
• C、Terms are optional in a policy.
• D、The match condition can be identified with a from statement.
• E、A from statement is mandatory in a term.

第16题：

Which statements are true about EIGRP successor routes? （）

• A、A successor route is used by EIGRP to forward traffic to a destination.
• B、Successor routes are saved in the topology table to be used if the primary route fails.
• C、Successor routes are flagged as "active" in the routing table.
• D、A successor route may be backed up by a feasible successor route.
• E、Successor routes are stored in the neighbor table following the discovery process.

第17题：

Which statements are true about EIGRP successor routes (Choose two.)（）。

• A、A successor route is used by EIGRP to forward traffic to a destination.
• B、Successor routes are saved in the topology table to be used if the primary route fails.
• C、Successor routes are flagged as "active" in the routing table.
• D、A successor route may be backed up by a feasible successor route.
• E、Successor routes are stored in the neighbor table following the discovery process.

第18题：

Which three statements are true about Source Specific Multicast？（）

• A、Is best suited for applications that are in the one-to-many category.
• B、SSM uses shortest path trees only.
• C、The use of SSM is recommended when there are many sources and it is desirable to keep the amount of mroute state in the routers in the network to a.
• D、There are no RPs to worry about.

第19题：

Which three statements about subqueries are true? （）

• A、Asinglerowsubquerycanretrieveonlyonecolumnandonerow.
• B、Asinglerowsubquerycanretrieveonlyonerowbutmanycolumns.
• C、Amultiplerowsubquerycanretrievemultiplerowsandmultiplecolumns.
• D、Amultiplerowsubquerycanbecomparedusingthe"；>；"；operator.
• E、AsinglerowsubquerycanusetheINoperator.
• F、Amultiplerowsubquerycanusethe"；="；operator.

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