0
1
2
4
16
infinity
第1题：
A.A
B.B
C.C
D.D
第2题：
A.10
B.40
C.30
D.20
第3题：
A. Column definitions cannot be altered to add DEFAULT values.
B. A change to the DEFAULT value affects only subsequent insertions to the table.
C. Column definitions cannot be altered at add DEFAULT values for columns with a NUMBER data type.
D. All the rows that have a NULL value for the SALARY column will be updated with the value 5000.
第4题：
The default behavior of switching to the shortest path tree as soon as a new source is detected on the shared tree can be disabled by setting the value in the ip pim spt-threshold command to "zero." （）
第5题：
After enabling port security on a Cisco Catalyst switch， what is the default action when the configuredmaximum of allowed MAC addresses value is exceeded？（）
第6题：
A. 0
B. 1
C. 2
D. 4
E. 16
F. infinity
第7题：
Which two of these statements correctly describe classic PIM-SM？（）
第8题：
A. 900 seconds
B. 1200 seconds
C. 3000 seconds
D. 65535 seconds
第9题：
What is the default value of the SPT threshold in Cisco routers？（）
第10题：
What is the default route preference value for EBGP?（）