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Which two statements about subnet masks are true?（）

A、If a bit is turned on (1), the corresponding bit in the IP address is used for the host portion.

B、If a bit is turned off (0), the corresponding bit in the IP address is used for the host portion.

C、If a bit is turned on (1), the corresponding bit in the IP address is used for the network prefix.

D、If a bit is turned off (0), the corresponding bit in the IP address is used for the network prefix.

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更多“Which two statements about subnet masks are true?（）”相关的问题
第1题
[] Given the following MPLS L2 configuration command: mpls-relay 10.1.1.1 4 Which two statements true? （）(Choose two.) Given the following MPLS L2 configuration command: mpls-relay 10.1.1.1 4 Which two statements true? （）(Choose two.)

A、A. This command is applied to the core router facing interface.  B、B. This command is applied to the customer facing interface.  C、C. The 4 is locally significant and identifies the layer 2 circuit.  D、D. The 4 must match exactly on the peer router configuration on the remote end.  

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第2题
[] Refer to the exhibit. Which two statement s are correct?（） Refer to the exhibit. Which two statement s are correct?（）

A、A. All the routes were redistributed into BGP from an IGP  B、B. All the routes were originated by BGP with the network command  C、C. All six routes will be installed in the routing table  D、D. Four routes will be installed in the routing ta ble  E、E. Two routes will be installed in the routing table  

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第3题
[多选题] Which two statements about views are true?（）

A、A view can be created as read only.  B、A view can be created as a join on two or more tables.  C、A view cannot have an ORDER BY clause in the SELECT statement.  D、A view cannot be created with a GROUP BY clause in the SELECT statement.  E、A view must have aliases defined for the column names in the SELECT statement.  

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第4题
[多选题] Which two statements about views are true? （）

A、A view can be created as read only.  B、A view can be created as a join on two or more tables.  C、A view cannot have an ORDER BY clause in the SELECT statement.  D、A view cannot be created with a GROUP BY clause in the SELECT statement.  E、A view must have aliases defined for the column names in the SELECT statement.  

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第5题
[多选题] Which two statements about views are true? （）

A、A view can be created as read only.  B、A view can be created as a join on two or more tables.  C、A view cannot have an ORDER BY clause in the SELECT statement.  D、A view cannot be created with a GROUP BY clause in the SELECT statement.  E、A view must have aliases defined for the column names in the SELECT statement.  

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第6题
[] Refer to the exhibit.Which two statements are true of the interfaces on switch1?（） Refer to the exhibit.Which two statements are true of the interfaces on switch1?（）

A、A.AhubisconnecteddirectlytoFastEthernet0/5  B、B.FastEthernet0/1isconfiguredasatrunklink.  C、C.FastEthernet0/5hasstaticallyassignedmacaddress  D、D.InterfaceFastEthernet0/2hasbeendisable.  E、E.MultipledevicesareconnecteddirectlytoFastEthernet0/1.  F、F.FastEthernet0/1isconnectedtoahostwithmultiplenetworkinterfacecards.  

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第7题
[多选题] Which two statements are true about terms in a routing policy?（）

A、A then statement is mandatory in a term  B、If a term does not contain a from statement, all routers match  C、If a term does not contain a from statement, the Junos OS will not commit  D、A then statement is not mandatory in a term  

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第8题
[多选题] You want to enable resumable space allocation at the instance level.Which two actions would enable resumable space allocation at the instance level? （）(Choose two.)

A、issuing the ALTER SYSTEM ENABLE RESUMABLE; statement  B、issuing the ALTER SESSION ENABLE RESUMABLE; statement  C、modifying the RESUMABLE_TIMEOUT initialization parameter to a nonzero value  D、issuing the ALTER SYSTEM SET RESUMABLE_TIMEOUT=; statement  

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第9题
[] Consider the events_% tables in performance Schema. Which two methods will clear or reset the collected events in the tables?（） Consider the events_% tables in performance Schema. Which two methods will clear or reset the collected events in the tables?（）

A、A.Using DELETE statements, for example, DELETE FROM performance_schema.events_watis_current  B、B.Using the statement RESET PERFORMANCE CACHE  C、C.Using the statement FLUSH PERFORMANCE CACHE  D、D.Using TRUNCATE statements, for example, TRUNATE TABLE performance_schema.events_waits_current  E、E.Disabling and re-enabling all instruments  F、F.Restarting Mysql  

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第10题
[多选题] Which two statements are true about precedence values in policy?（） (Choose two.)

A、1 is the default precedence.  B、A lower number is preferred.  C、A higher number is preferred.  D、100 is the default precedence.  

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