When a valid SQL Query in a DB Read step returns 0 rows, which branch of the step will be executed? （）
–When is your birthday? –____________________.(A) It’s April 18th(B) It’s Sunday(C) It’s August(D) I was born in 1988
点击查看答案
When a switch port is used as a VLAN trunk, which of the following trunk modes are valid? (Select all that apply.)A. BlockingB. AutoC. DesirableD. OnE. TransparentF. Learning
听力原文：The signature of the payee or of his duly authorized agent is essential to the validity of an endorsement.(7)A．The payee's signature can make the endorsement valid.B．The drawer's duly authorized agent can make the endorsement valid.C．The payer's signature can make the endorsement valid.D．The drawee's duly authorized agent can make the endorsement valid.
–____________________ –It’s September 10th.A.When is National DayB.When is Labor’s DayC.When is Teacher’s DayD. When is Christmas Day
When debugging a routing problem, the time－to－live (TTL) value can be used to determine:()A. Number of routes available.B. Number of router hops.C. Time that an advertised route is valid.D. Time to make a round trip.
When is Yao Ming's birthday?____________
How would you pass a red buoy in the maritime buoyage system “A”?______.A.keep the buoy on the vessel’s starboard side when approaching a port and on the vessel’s port side when leavingB.keep the buoy on the vessel’s port side when approaching a port and on the vessel’s starboard side when leavingC.keep the buoy on the vessel’s starboard side when approaching and leavingD.keep the buoy on the vessel’s port side when approaching and leaving
