更多"Which of these statements is true o"的相关试题:
[多项选择]Which two statements are true regarding routing tables?（）
A. The routing table is populated by the forwarding table.
B. Devices running the Junos OS can accommodate multiple routing tables.
C. Information learned from routing protocols is stored in the routing table.
D. The primary routing table for IPv4 unicast routes is inet.4.
[多项选择]Which two statements are true regarding routing policy processing?（）
A. The Junos OS verifies the match criteria of each policy in order and performs the associated action when a match occurs.
B. Policies are evaluated from right to left as displayed in the Junos OS configuration file.
C. Polices are evaluated based on the order in which they are applied to a routing protocol.
D. Policy processing stops once the last statement in the policy is evaluated.
[多项选择]Which three statements are true of dynamic routing protocols?（）
A. They are scalable.
B. They are Dijkstra based.
C. They share network layer reach ability information among neighbors.
D. They automate next hopdecisions.
E. They are tolerant of configuration errors.
[多项选择]Examine these two statements:Which three are true about the MRKT tablespace?（）
A. The MRKT tablespace is created as a small file tablespace, because the file size is less than the minimum required for big file files.
B. The MRKT tablespace may be dropped if it has no contents.
C. Users who were using the old default tablespace will have their default tablespaces changed to the MRKT tablespace.
D. No more data files can be added to the tablespace.
E. The relative file number of the tablespace is not stored in rowids for the table rows that are stored in the MRKT tablespace.
[单项选择]Which process is responsible for the routing protocols on a Junos device?（）
A. rpd
B. mgd
C. dcd
D. chassisd
[多项选择]Which two statements are true about IS -IS routing?（）
A. Based on the default timers, OSPF d etects a failure faster than IS - IS does.
B. OSPF default timers permit more tuning than IS - IS does.
C. IS - IS is more efficient than OSPF in the use of CPU resources.
D. OSPF is more scalable than IS - IS because of its ability to identify normal, stub, an d NSSA areas.
E. IS - IS and OSPF are both Open Standard, link - state routing protocols which support VLSM.
[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 two statements about subqueries are true? （）
A. A subquery should retrieve only one row.
B. A subquery can retrieve zero or more rows.
C. A subquery can be used only in SQL query statements.
D. Subqueries CANNOT be nested by more than two levels.
E. A subquery CANNOT be used in an SQL query statement that uses group functions.
F. When a subquery is used with an inequality comparison operator in the outer SQL statement, the column list in the SELECT clause of the subquery should contain only one column.
[多项选择]Which two statements about sequences are true? （）
A. You use a NEXTVAL pseudo column to look at the next possible value that would be generated from a sequence, without actually retrieving the value.
B. You use a CURRVAL pseudo column to look at the current value just generated from a sequence, without affecting the further values to be generated from the sequence.
C. You use a NEXTVAL pseudo column to obtain the next possible value from a sequence by actually retrieving the value from the sequence.
D. You use a CURRVAL pseudo column to generate a value from a sequence that would be used for a specified database column.
E. If a sequence starting from a value 100 and incremented by 1 is used by more then one application, then all of these applications could have a value of 105 assigned to their column whose value is being generated by the sequence.
F. You use REUSE clause when creating a sequence to restart the sequence once it generates the maximum value defined for the sequence.
