网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
The device used for low-pressure control and high-pressure cutout on a compressor is called a（）
A
cutout
B
pressure controller
C
controller switch
D
cutout switch
参考答案
参考解析
解析：
暂无解析
更多 “单选题The device used for low-pressure control and high-pressure cutout on a compressor is called a（）A cutoutB pressure controllerC controller switchD cutout switch” 相关考题
考题
●Flow control is a function that prevents network congestion by ensuring that (71) do not overwhelm (72) with datA．There are three commonly used methods for handling network congestion ． (73) is used by network devices to temporarily store bursts of excess data in memory until they can be processed． (74) are used by receiving devices to help prevent their buffers from overflowing ． (75) is a flow-control scheme in which the source device requires an acknowledgment from the destination after a certain number of packets have been transmitted．(71)~(72)A．transmitting devicesB．transmitted devicesC．receiving devicesD．received devices(73)~(75) A．BufferB．Source-quench messagesC．BufferingD．Windowing
考题
Rewrite rules are used in which CoS scenario?()
A.When a single device is configured to provide differentiated services.B.When multiple devices in a network are configured to use CoS to provide differentiated services.C.When a device is used to connect to another autonomous system.D.When CoS is used to classifiy traffic as low priority.
考题
Flow control is a function that prevents network congestion by ensuring that(71)do not overwhelm(72)with data. There are three commonly used methods for handling network congestion.(73)is used by network devices to temporarily store bursts of excess data in memory until they can be processed. (74)are used by receiving devices to help prevent their buffers from overflowing.(75)is a flow -control scheme in which the source device requires an acknowledgment from the destination after a certain number of packets have been transmitted.A．transmitting devicesB．transmitted devicesC．receiving devicesD．received devices
考题
Flow control is a function that prevents network congestion by ensuring that(66)do not over-whelm(67)with data. There are three commonly used methods for handling network congestion.(68)is used by network devices to temporarily store bursts of excess data in memory until they can be processed.(69)are used by receiving devices to help prevent their buffers from overflowing.(70)is a flow-control scheme in which the source device requires an acknowledgment from the destination after a certain number of packets have been transmitted.A．transmitting devicesB．transmitted devicesC．receiving devicesD．received devices
考题
What statement is true？（）A、Link Control Protocol（LCP） is used for basic PPP link setup and operationB、Link Control Protocol（LCP） is used for denying PPP connections to unauthorized devices.C、Link Control Protocol（LCP） for PPP is synonymous to ARP for Ethernet.D、None of the above
考题
Which two statements are correct about firewall filters in the Junos OS?（）A、Firewall filters are stateless.B、Firewall filters are used to control routing information that is exchanged between devices.C、Firewall filters are used to control traffic passing through the device.D、Firewall filters can only be applied to traffic entering the device.
考题
Which statement is true regarding an Ethernet collision domain?（）A、If a router is used, the collision domain includes all devices connected to the router.B、If a hub is used, the collision domain is limited to each device and the hub.C、If a switch is used, the collision domain is limited to each device and the switch.D、If a bridge is used, the collision domain includes all devices connected to the bridge.
考题
Which of the following utilities can be used to determine the current partition information on an attached storage device？（）A、Add Hardware WizardB、Device ManagerC、Disk ManagementD、Control Panel
考题
Which two statements are true regarding an Ethernet collision domain?（）A、If a switch is used, the collision domain is limited to each device and the switchB、If a hub is used, the collision domain is limited to each device and the hubC、If a hub is used, the collision domain includes all devices connected to the hubD、If a switch is used, the collision domain includes all devices connected to the switch
考题
Which statement describes the distributed call control model in VoIP networks？（）A、The gateway voice-capable device is configured to support call control directly performing call setup， call maintenance， and call teardownB、The gateway voice-capable device has a local call routing table configured through a routing protocol.C、The gateway voice-capable device relies on a call agent to support call control.D、The gateway voice-capable device relies on a gatekeeper to support call setup， call maintenance， and call teardown.
考题
Which device is normally used to translate telephone numbers or names to IP addresses for call routing in an H.323 network？ （）A、call agentB、IP phoneC、multipoint control unitD、gatekeeper
考题
The sysdumpdev command can be used to configure remote dump devices. Which of the following conditions is NOT used for a remote dump device configuration?（）A、The local and the remote host must have Transmission Control Protocol/Internet Protocol (TCP/IP) installed and configured. B、The remote host must support NFS. C、The remote host must have an NFS exported directory defined such that the local host has read and write permissions to the dump file on the remote host. D、The remote host can be the same as the local host.
考题
Which two statements are true regarding an Ethernet collision domain?（）A、The likelihood of collisions occurring increases when a switch is used.B、The likelihood of collisions occurring increases when a hub is used.C、If a hub is used, the collision domain is limited to each device and the hub.D、If a switch is used, the collision domain is limited to each device and the switch.
考题
Which statement is true regarding an Ethernet collision domain?（）A、If a router is used, the collision domain includes all devices connected to the routerB、If a hub is used, the colision domain is limited to each device and the hubC、If a switch is used, the collision domain is limited to each device and the switchD、If a bridge is used, the collision domain includes all devices connected to the bridge
考题
You notice that your RMAN script used to copy the datafiles， control files， and archived redo log files is performing very slowly. Which two changes might you want to include in your RMAN script to speed up the COPY commands？（）A、NOCHECKSUMB、MAXCORRUPTC、CHECK LOGICALD、BACKUP INCREMENTALE、CONFIGURE DEVICE TYPE ... PARALLELISM
考题
单选题You are validating the configuration of your SRX Series device and see the output shown below. What does this indicate?（）A
The SRX Series device has been configured correctly, the Junos Pulse Access Control Service is reachable on the network, and the SRX Series device is waiting to receive the initial connection from the Junos Pulse Access Control Service.B
The SRX Series device has confirmed that the Junos Pulse Access Control Service is configured and is reachable on the network, the SRX Series device is waiting to receive the connection from the Junos Pulse Access Control Service, and all that remains to be accomplished is to configure the SRX Series device.C
The SRX Series device is configured correctly and connected to the Junos Pulse Access Control Service. All that remains to be done to complete the configuration is to configure the SRX Series device on the Junos Pulse Access Control Service.D
Both the Junos Pulse Access Control Service and the SRX Series device are configured correctly and communicating with each other.
考题
单选题What statement is true？（）A
Link Control Protocol（LCP） is used for basic PPP link setup and operationB
Link Control Protocol（LCP） is used for denying PPP connections to unauthorized devices.C
Link Control Protocol（LCP） for PPP is synonymous to ARP for Ethernet.D
None of the above
考题
多选题Which two statements are correct about firewall filters in the Junos OS?（）AFirewall filters are stateless.BFirewall filters are used to control routing information that is exchanged between devices.CFirewall filters are used to control traffic passing through the device.DFirewall filters can only be applied to traffic entering the device.
考题
单选题When normal operating pressure is applied to the hydraulic oil used in a high-pressure system, the oil （）.A
viscosity will decreaseB
volume will increaseC
volume will decreaseD
pour point will be reduced
考题
单选题Which statement is true regarding an Ethernet collision domain?（）A
If a router is used, the collision domain includes all devices connected to the routerB
If a hub is used, the colision domain is limited to each device and the hubC
If a switch is used, the collision domain is limited to each device and the switchD
If a bridge is used, the collision domain includes all devices connected to the bridge
考题
单选题Rewrite rules are used in which CoS scenario?（）A
When a single device is configured to provide differentiated services.B
When multiple devices in a network are configured to use CoS to provide differentiated services.C
When a device is used to connect to another autonomous system.D
When CoS is used to classifiy traffic as low priority.
考题
多选题You notice that your RMAN script used to copy the datafiles， control files， and archived redo log files is performing very slowly. Which two changes might you want to include in your RMAN script to speed up the COPY commands？（）ANOCHECKSUMBMAXCORRUPTCCHECK LOGICALDBACKUP INCREMENTALECONFIGURE DEVICE TYPE ... PARALLELISM
考题
多选题Which two statements are true regarding an Ethernet collision domain?（）AIf a switch is used, the collision domain is limited to each device and the switchBIf a hub is used, the collision domain is limited to each device and the hubCIf a hub is used, the collision domain includes all devices connected to the hubDIf a switch is used, the collision domain includes all devices connected to the switch
考题
单选题Which statement describes the distributed call control model in VoIP networks？（）A
The gateway voice-capable device is configured to support call control directly performing call setup， call maintenance， and call teardownB
The gateway voice-capable device has a local call routing table configured through a routing protocol.C
The gateway voice-capable device relies on a call agent to support call control.D
The gateway voice-capable device relies on a gatekeeper to support call setup， call maintenance， and call teardown.
考题
多选题Which two statements are true regarding an Ethernet collision domain?（）AThe likelihood of collisions occurring increases when a switch is used.BThe likelihood of collisions occurring increases when a hub is used.CIf a hub is used, the collision domain is limited to each device and the hub.DIf a switch is used, the collision domain is limited to each device and the switch.
考题
单选题A crew member reports that the high-pressure alarm light of a low-pressure CO2 fixed fire extinguishing system is illuminated. The most probable cause of this condition would be that（）.A
an air leak has developed in the tankB
the tank cooling system has malfunctionedC
the pilot cylinder discharge valve is leakingD
an excessive amount of insulation has been installed on the tank and piping
考题
单选题If a compressor runs continuously, the cause might be a（）A
defective thermal bulbB
clogged scale trapC
stuck high-pressure switchD
stuck low-pressure switch
热门标签
最新试卷