题目内容
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[主观题]
Two devices are mentioned which were used to measure time in the ancient times. They are _
_____.
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An exciting and original topic must be any two interests combined.
A．Right
B．Wrong
C．Not mentioned
更多“Two devices are mentioned whic…”相关的问题
第1题
An exciting and original topic must be any two interests combined.A．RightB．WrongC．Not ment
第2题
The International Science Olympiads are held once every two years.A．RightB．WrongC．Not ment
The International Science Olympiads are held once every two years.
A．Right
B．Wrong
C．Not mentioned
第3题
An exciting and original topic must be any two interests combined.A．RightB．WrongC．Not ment
An exciting and original topic must be any two interests combined.
A．Right
B．Wrong
C．Not mentioned
第4题
Which two devices can interfere with the operation of a wireless network because they operate on similar frequencies？ （）
A.copier
B.microwave oven
C.toaster
D.cordless phone
E.IP phone
F.AM radio
第5题
Which two Internet Protocol （IP) telephony devices are best categorized as infrastructurecomponents？（）
A. Call management software
B. Media Convergence Servers (MCSs)
C. Voice gateways
D. IP telephones
第6题
The Ezonexam network administrator needs to determine what LAN devices to install on the E
zonexam network. What are two advantages of using Layer 2 Ethernet switches over hubs？ (Choose two)
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A．Allowing simultaneous frame. transmissions
B．Increasing the size of broadcast domains
C．Increasing the maximum length of UTP cabling between devices
D．Filtering frames based on MAC addresses
E．Decreasing the number of collision domains
第8题
hen ZTE's PTN devices interconnect with NNI side ports of F7-PTN devices to excha
nge 2M/STM-1 CES service, which of the following precautions is wrong？()
点击查看答案
A.Two sides should in advance negotiate service VLAN on NNI interconnection ports, bind interface IP address of this VLAN, and notify each other of service loopback address (corresponding to LSR ID of Huawei's PTN devices)
B.Tunnel labels of the two sides must be the same.
C.PW labels of the two sides may be different.
D.Packet delay (corresponding to packet load delay of Huawei) at two sides must have the same configuration. It is suggested both sides use 500us.
第9题
A guided transmission medium is__ if it provides a direct link between two devices and those are the only two devices sharing the medium（）
A.multipoint
B.simplex
C.point-to-point
D.wireless
第10题
Which of the following options will not trigger PTN linear protection switching？（)
A.NNI side lines of the devices at two ends are wrongly connecte
B.Time sync related configurations of the devices at two ends are incorrect.
C.MAC addresses of the devices at two ends are the sam
D.Clock source configurations of the two devices are incorrect.
第11题
If a SONET/SDH interface transmit link fails between two JUNOS devices, which two alarms or defects would be seen on those devices？（）
A.LOS
B.REI
C.BIP-B3
D.RDI
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