第1题：
A.1
B.2
C.3
D.4
第2题：
A.1
B.2
C.3
D.4
第3题：
A. 22
B. 7
C. 6
D. 15
E. 2
第4题：
How many CallManager clusters can an IPCC Express cluster with High Availability communicate with? （）
第5题：
Given the following DDL and INSERT statements:CREATE VIEW v1 AS SELECT col1 FROM t1 WHERE col1 > 10; CREATE VIEW v2 AS SELECT col1 FROM v1 WITH CASCADED CHECK OPTION; CREATE VIEW v3 AS SELECT col1 FROM v2 WHERE col1 < 100; INSERT INTO v1 VALUES(5); INSERT INTO v2 VALUES(5); INSERT INTO v3 VALUES(20); INSERT INTO v3 VALUES(100);How many of these INSERT statements will be successful?（）
A.0
B.1
C.2
D.3
第6题：
A.1
B.2
C.3
D.4
第7题：
Routers A and B are connected with a point-to-point OC-3 interface. Each routers OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in different areas. How many IS-IS adjacencies exist between the two routers?（）
A.0
B.1
C.2
D.3
第8题：
A.0
B.1
C.2
D.3
第9题：
A.0
B.1
C.2
D.3
E.4
第10题：
Routers A and B are connected with a point-to-point OC-3 interface. Each routers OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in different areas. How many IS-IS adjacencies exist between the two routers?（）