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【单选题】
现有学生表和修课表，其结构为：  学生表（，姓名，入学日期，毕业日期）  修课表（，课程号，考试日期，成绩）  现要求修课表中的考试日期必须在学生表中相应学生的入学日期和毕业日期之间。下列实现方法中，正确的是（）。
A.
在修课表的考试日期列上定义一个CHECK约束
B.
在修课表上建立一个插入和更新操作的触发器
C.
在学生表上建立一个插入和更新操作的触发器
D.
在修课表的考试日期列上定义一个外键引用约束
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举一反三
【多选题】After properly configuring multiple VLANs， an administrator has decided to secure its VLAN network. Which three steps are required to secure this environment？ （Choose three.）（）
A.
If a port is connected to a foreign device make sure to disable CDP， DTP， RPR， PAgP， UDLP， and any other unnecessary protocols， and enable UplinkFast/BPDU guard on it.
B.
Enable root guard feature to prevent a directly or indirectly connected STP-capable device from affecting the location of the root bridge.
C.
Configure VTP domains appropriately or turn off VTP altogether to limit or prevent possible undesirable protocol interaction with regards to the network-wide VLAN configuration.
D.
Set the native VLAN ID to match the port VLAN ID of any 802.1q trunk to prevent spoofing.
E.
Disable all unused ports and place them in an unused VLAN to avoid unauthorized access.
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【单选题】红色精神具体包括在旧民主主义革命时期的探索精神、新民主主义革命时期形成的革命精神、新中国社会主义建设时期形成的奋斗精神和改革开放时期形成的 等。
A.
改革精神
B.
创新精神
C.
“九八”抗洪精神
D.
实事求是精神
查看完整题目与答案
【单选题】You want to run the new 802.1w on your switches. Which of the following would enable this protocol?
A.
Switch(config)#spanning-tree mode rapid-pvst
B.
Switch#spanning-tree mode rapid-pvst
C.
Switch(config)#spanning-tree mode 802.1w
D.
Switch#spanning-tree mode 802.1w
查看完整题目与答案
【单选题】该孕妇足月分娩一巨大儿,巨大儿是指胎儿出生体重达到或超过
A.
2800g
B.
3000g
C.
3500g
D.
4000g
E.
4500g
查看完整题目与答案
【判断题】学前儿童肝脏解毒能力差,抵抗力弱,容易染病,但学前儿童的肝脏有大量的血管,肝细胞的代谢旺盛,患肝炎后易恢复( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】TestKing.com is configuring the serial interface of a Cisco router to connect to the router of a new ISP. A full T1 is being used for the Internet connection. After issuing the show interface serial 0...
A.
Border# copy running-config startup-config
B.
Border(config)# no shutdown
C.
Border(config-if)# encapsulation ppp
D.
Border(config-if)# no cdp enable
E.
Border(config-if)# ip routing
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【多选题】Your company runs Remote Desktop Services. You have a Remote Desktop Session Host (RD Session Host) server. You enable Microsoft Word as a RemoteApp application on the RD Session Host server. You need...
A.
Create a Windows Installer (.msi) file.
B.
Create a Remote Desktop Protocol (.rdp) file.
C.
In the properties of the RemoteApp application, enable the Allow any command-line arguments setting.
D.
Enable the Associate client extensions for this program with the RemoteApp program setting for the file.
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【单选题】An AIX server is configured with a static IP address but the system administrator wants the server to give out IP addresses for clients who want to use the dynamic host configuration protocol instead ...
A.
Use SMIT to have the server use DHCP instead of a static address
B.
Edit /etc/rc.tcpip and start the dhcpsd daemon
C.
Use the network options command to enable ipforwarding
D.
Edit /etc/rc.net to set network options back to default
查看完整题目与答案
【单选题】You are the administrator of ExamSheet.net's network.   ExamSheet.net upgrades its network to 100 Mbps. All Windows 2000 Professional computers have recently upgraded with new 10/100 Mbps network adap...
A.
Configure IP address settings manually
B.
Replace the network adapter. Reinstall the network adapter driver
C.
Enable the network adapter.
D.
Enable IEEE 802.1x authentication.
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【单选题】On a Cisco Nexus 7000 Series Switch， what is the purpose of this command？（）  switch# config terminal  switch（config）# mac address-table learning-mode conversational vlan 1-10  switch（config）#
A.
Enable conversational learning on FabricPath vlans 1-10 for F-Series module
B.
Enable FabricPath protocol on VLANs 1–10
C.
No need for this command as conversational learning is enabled by default for all VLANs.
D.
Enable conversational learning on Classical Ethernet VLAN for F-Series module
查看完整题目与答案
相关题目：
【多选题】After properly configuring multiple VLANs， an administrator has decided to secure its VLAN network. Which three steps are required to secure this environment？ （Choose three.）（）
A.
If a port is connected to a foreign device make sure to disable CDP， DTP， RPR， PAgP， UDLP， and any other unnecessary protocols， and enable UplinkFast/BPDU guard on it.
B.
Enable root guard feature to prevent a directly or indirectly connected STP-capable device from affecting the location of the root bridge.
C.
Configure VTP domains appropriately or turn off VTP altogether to limit or prevent possible undesirable protocol interaction with regards to the network-wide VLAN configuration.
D.
Set the native VLAN ID to match the port VLAN ID of any 802.1q trunk to prevent spoofing.
E.
Disable all unused ports and place them in an unused VLAN to avoid unauthorized access.
查看完整题目与答案
【单选题】红色精神具体包括在旧民主主义革命时期的探索精神、新民主主义革命时期形成的革命精神、新中国社会主义建设时期形成的奋斗精神和改革开放时期形成的 等。
A.
改革精神
B.
创新精神
C.
“九八”抗洪精神
D.
实事求是精神
查看完整题目与答案
【单选题】You want to run the new 802.1w on your switches. Which of the following would enable this protocol?
A.
Switch(config)#spanning-tree mode rapid-pvst
B.
Switch#spanning-tree mode rapid-pvst
C.
Switch(config)#spanning-tree mode 802.1w
D.
Switch#spanning-tree mode 802.1w
查看完整题目与答案
【单选题】该孕妇足月分娩一巨大儿,巨大儿是指胎儿出生体重达到或超过
A.
2800g
B.
3000g
C.
3500g
D.
4000g
E.
4500g
查看完整题目与答案
【判断题】学前儿童肝脏解毒能力差,抵抗力弱,容易染病,但学前儿童的肝脏有大量的血管,肝细胞的代谢旺盛,患肝炎后易恢复( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】TestKing.com is configuring the serial interface of a Cisco router to connect to the router of a new ISP. A full T1 is being used for the Internet connection. After issuing the show interface serial 0...
A.
Border# copy running-config startup-config
B.
Border(config)# no shutdown
C.
Border(config-if)# encapsulation ppp
D.
Border(config-if)# no cdp enable
E.
Border(config-if)# ip routing
查看完整题目与答案
【多选题】Your company runs Remote Desktop Services. You have a Remote Desktop Session Host (RD Session Host) server. You enable Microsoft Word as a RemoteApp application on the RD Session Host server. You need...
A.
Create a Windows Installer (.msi) file.
B.
Create a Remote Desktop Protocol (.rdp) file.
C.
In the properties of the RemoteApp application, enable the Allow any command-line arguments setting.
D.
Enable the Associate client extensions for this program with the RemoteApp program setting for the file.
查看完整题目与答案
【单选题】An AIX server is configured with a static IP address but the system administrator wants the server to give out IP addresses for clients who want to use the dynamic host configuration protocol instead ...
A.
Use SMIT to have the server use DHCP instead of a static address
B.
Edit /etc/rc.tcpip and start the dhcpsd daemon
C.
Use the network options command to enable ipforwarding
D.
Edit /etc/rc.net to set network options back to default
查看完整题目与答案
【单选题】You are the administrator of ExamSheet.net's network.   ExamSheet.net upgrades its network to 100 Mbps. All Windows 2000 Professional computers have recently upgraded with new 10/100 Mbps network adap...
A.
Configure IP address settings manually
B.
Replace the network adapter. Reinstall the network adapter driver
C.
Enable the network adapter.
D.
Enable IEEE 802.1x authentication.
查看完整题目与答案
【单选题】On a Cisco Nexus 7000 Series Switch， what is the purpose of this command？（）  switch# config terminal  switch（config）# mac address-table learning-mode conversational vlan 1-10  switch（config）#
A.
Enable conversational learning on FabricPath vlans 1-10 for F-Series module
B.
Enable FabricPath protocol on VLANs 1–10
C.
No need for this command as conversational learning is enabled by default for all VLANs.
D.
Enable conversational learning on Classical Ethernet VLAN for F-Series module
查看完整题目与答案
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