更多"Which of the foll"的相关试题:
[单项选择]Computer systems consist of two very different types of elements:Hardware, which includes all the physical things that can be touched and （71） ,which tells the hardware how to do.
A. Operating system
B. I/O devices
C. Courseware
D. Software
[单项选择]Which of the following standards or encryption types is the MOST secure for wireless networking?（）
A. WEP
B. AES
C. TKIP
D. DES
[单项选择]You are developing a client that sends several types of SOAP messages to a Windows Communication Foundation (WCF) service method named PostData. PostData is currently defined as follows:[OperationContract]void PostData(Order data);You need to modify PostData so that it can receive any SOAP message. Which code segment should you use？（）
A. [OperationContract(IsOneWay=true, Action="*", ReplyAction="*")] void PostData(Order data);
B. [OperationContract(IsOneWay=true, Action="*", ReplyAction = "*")] void PostData(BodyWriter data);
C. [OperationContract] void PostData(BodyWriter data);
D. [OperationContract] void PostData(Message data);
[单项选择] You added a PHONE_NUMBER column of NUMBER data type to an existing EMPLOYEES table. The EMPLOYEES table already contains records of 100 employees. Now, you want to enter the phone numbers of each of the 100 employees into the table. Some of the employees may not have a phone number available. Which data manipulation operation do you perform?（）
A. MERGE
B. INSERT
C. UPDATE
D. ADD
E. ENTER
F. You cannot enter the phone numbers for the existing employee records.
[单项选择]A person with the blood type AB can ______ any type of blood.
A. apply
B. recognize
C. receive
D. absorb
[单项选择]VoIP bearer traffic is typically marked to which DSCP value？（）
A. cs3
B. cs7
C. ef
D. af41
E. af31
F. 0（default）
[多项选择]Which of the following types of attacks does DHCP snooping prevent？（Choose all that apply.）（）
A. Attacker sends multiple DHCP requests flooding DHCP server
B. Attacker connects rogue server initiating DHCP requests
C. Attacker connects rogue server replying to DHCP requests
D. Attacker sends DHCP jam signal causing DHCP server to crash
E. Attacker sends gratuitous ARP replies， thereby jamming the DHCP server
F. Attacker sends unsolicited DHCP replies， thereby jamming the DHCP server
[单项选择]IBM power 740服务器的产品号（Machine Type） 是（）
A. 9116-560Q
B. 9117-560
C. 9118-561
D. 8205-E6B
E. 以上都不正确
