A、They acknowledge receipt of TCP segments.
B、They guarantee datagram delivery.
C、They can provide hosts with information about network problems.
D、They are encapsulated within IP datagrams.
E、They are encapsulated within UDP datagrams.
更多“What statements are true regarding ICMP packets?（）”相关的问题
A、It succeeds because the PDB_ADMIN user has the required privileges. B、It fails because common users are unable to use the SET CONTAINER statement. C、It fails because local users are unable to use the SET CONTAINER statement. D、If fails because the SET CONTAINER statement cannot be used with PDB$SEED as the target pluggable database (PDB).
A、The results are not sorted. B、The results are sorted numerically. C、The results are sorted alphabetically. D、The results are sorted numerically and then alphabetically.
A、The results are not sorted. B、The results are sorted numerically. C、The results are sorted alphabetically. D、The results are sorted numerically and then alphabetically.
A、Access pathanalysis is not performed for SQL statements. B、SQL structure analysis is not performed for SQL statements. C、SQL Profile recommendations are not generated for SQL statements. D、Staleness and absence of statistics are not checked for the objects in the SQL Tuning Advisor. In this case, SQL Tuning Advisor produces recommendations based on statistical checks, access path analysis, and SQL structure analysis. SQL profile recommendations are not generated.
A、The two statements produce identical results. B、The second statement returns a syntax error. C、There is no need to specify DESC because the results are sorted in descending order by default. D、The two statements can be made to produce identical results by adding a column alias for the salary column in the second SQL statement.
A、A.All of the assert statements are used appropriately. B、B.Only the assert statement on line 12 is used appropriately. C、C.Only the assert statement on line 15 is used appropriately. D、D.Only the assert statement on line 18 is used appropriately. E、E.Only the assert statements on lines 12 and 15 are used appropriately. F、F.Only the assert statements on lines 12 and 18 are used appropriately. H、G.Only the assert statements on lines 15 and 18 are used appropriately.
A、A.An error is returned. B、B.You are prompted to enter a new value. C、C.A report is produced that matches the first report produced. D、D.You are asked whether you want a new value or if you want to run the report based on the previous value.
A、12; only top-level statements and stored procedure events are logged B、111; top-level statements and all lower-level statements are logged C、3; only the top-level statements are logged D、102; top-level statements are logged, but LOAD DATA INFILE is logged as a separate event
A、A. Informational and debug messages are logged to the syslog server. B、B. All messages are sent to the logging host, where selections are made. C、C. An information trap is sent to the SNMP server. D、D. All messages from emergencies to informational are sent to the logging host.
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