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. Summari

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第2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.

正确答案:A,E

第3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.

正确答案:C

第4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

正确答案:B,D,E

第5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.

正确答案:A,D

第6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.

正确答案:A,D

第7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.

正确答案:A,B,D

第8题：

Which three statements are true about memory buffer allocation by a MySQL Server?（）

• A、Global buffers such as the InnoDB buffer pool are allocated after the server starts, and are never freed
• B、Thread buffers are allocated when a client connects, and are freed when the client disconnects
• C、Buffers that are needed for certain operation are allocated when the operation starts, and freed when it ends
• D、User buffers are allocated at server startup and freed when the user is dropped
• E、All dynamic buffers that are set with a SET GLOBAL statement immediately get allocated globally, and are never freed

正确答案:A,B,C

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第13题：

Which three statements about the EIGRP routing protocol are true?（）

• A、EIGRP supports five generic packet types, including hello, database description (DBD), link state request (LSR), link - state update (LSU), and LSAck.
• B、EIGRP sends periodic hello packets to the multicast IP address 224.0.0.10.
• C、EIGRP will not form a neighbor relationship with another peer when their K values are mismatched.
• D、EIGRP sends periodic hello packets to the multicast IP address 224.0.0.9.
• E、E IGRP will form a neighbor relationship with another peer even when their K values are mismatched.
• F、EIGRP supports five generic packet types, including hello, update, query, reply, and ACK packets.

正确答案:B,C,F

第14题：

Which three statements about NetFlow are true？ （）

• A、LCP is used for PPP over ATM （PPPoA） setup.
• B、LCP is used for PPP over Ethernet （PPPoE） setup.
• C、LCP is used for PPP over Ethernet （PPPoPR） setup.
• D、LCP is used for PPP CHAP authentication.
• E、LCP is used for basic PPP link setup and operation.

正确答案:A,B,E

第15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.

正确答案:B,D,E

第16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.

正确答案:B,C,D

第17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

正确答案:A,C,D

第18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.

正确答案:A,C,E

第19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.

正确答案:A,B,F

第20题：

Which three statements about subqueries are true? （）

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

正确答案:B,C,E

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