[多项选择]Which three statements about performance analysis by SQL Performance Analyzer are true? （）
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.

[多项选择]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.

[多项选择]Which three statements about dynamic filtering are true? （）
A. Dynamic filtering creates a query statement.
B. Dynamic filtering has an option to save query.
C. Dynamic filtering can select any log field to filter.
D. Dynamic filtering permanently removes other log entries.
E. Dynamic filtering redraws the log when you select a variable link.

[多项选择]Which three statements about Syslog utilization are true?（）
A. Utilizing Syslog improves network performance.
B. The Syslog server automatically notifies the network administrator of network problems.
C. A Syslog server provides the storage space necessary to store log files without using router disk space.
D. There are more Syslog messages available within Cisco IOS than there are comparable SNMP trap messages.
E. Enabling Syslog on a router automatically enables NTP for accurate time stamping。
F. A Syslog server helps in aggregation of logs and alerts.

[多项选择]Which three statements about subqueries are true? （）
A. A main query can have more than one subquery.
B. A subquery can have more than one main query.
C. The subquery and main query must retrieve data from the same table.
D. The subquery and main query can retrieve data from different tables.
E. Only one column or expression can be compared between the subquery and main query.
F. Multiple columns or expression can be compared between the subquery and main query.

[多项选择]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.

[多项选择]Which three statements about the features of SNMPv2 and SNMPv3 are true?（）
A. SNMPv3 enhanced SNMPv2 security features
B. SNMPv3 added the Inform protocol message to SNMP
C. SNMPv2 added the Inform protocol message to SNMP
D. SNMPv3 added the GetBulk protocol messages to SNMP
E. SNMPv2 added the GetBulk protocol message to SNMP
F. SNMPv2 added the GetNext protocol message to SNMP

[多项选择]Which three statements about HSRP operation are true?（）
A. The virtual IP address and virtual MA+K44C address are active on the HSRP Master router.
B. The HSRP default timers are a 3 second hello interval and a 10 second dead interval.
C. HSRP supports only clear-text authentication.
D. The HSRP virtual IP address must be on a different subnet than the routers' interfaces on the same LAN.
E. The HSRP virtual IP address must be the same as one of the router's interface addresses on the LAN.
F. HSRP supports up to 255 groups per interface, enabling an administrative form of load balancing.

[多项选择]Which three statements about VTP features are true?（）
A. When properly configured,VTP minimizes VLAN misconfigurations and configuration inconsistencies
B. Each broadcast domain on a switch can have its own unique VTP domain
C. VTP works at Layer 3 of the OSI model and requires that a management VLAN IP address be configured.
D. When properly configured,VTP maintains VLAN configuration consistency and accelerates trunk link negotiation.
E. VTP pruning is used to increase available bandwidth in trunk links
F. Client,server,and transparent are valid VTP modes
G. To configure a switch to be part of two VTP domains,each domain must have its own passwords

[多项选择]Which three statements about RSTP aretrue?（）
A. RSTP significantly reduces topology reconverging time after a link failure.
B. RSTP expends the STP port roles by adding the alternate and backup roles.
C. RSTP portatates are blocking,discarding,learing,orforwarding.
D. RSTP also uses the STP proprsal-agreement sequence.
E. RSTP use the same timer-baseed process as STP on point-to-point links.
F. RSTP provides a faster transition to the forwarding state on point-to-point links than STP does.

[多项选择]Which three statements about OSPF areas are true?（）
A. Areas introduce a boundary on the link - state updates.
B. Areas are  logical definitions specific to any given router.
C. All routers within an area have the exact link - state database.
D. The calculation of the Dijkstra algorithm on a router is limited to changes within an area.
E. The area designated router will always  have a priority of 0.