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
Which statement is true about the digital to analog conversion process？（）
A
the two steps of digital to analog conversion are decompression and reconstruction of the analog signal
B
the two steps of digital to analog conversion are decoding and filtering
C
the two steps of digital to analog conversion are decompression and filtering of the analog signal
D
the two steps of digital to analog conversion are quantization and decoding
参考答案
参考解析
解析：
暂无解析
更多 “单选题Which statement is true about the digital to analog conversion process？（）A the two steps of digital to analog conversion are decompression and reconstruction of the analog signalB the two steps of digital to analog conversion are decoding and filteringC the two steps of digital to analog conversion are decompression and filtering of the analog signalD the two steps of digital to analog conversion are quantization and decoding” 相关考题
考题
Theprocessquantizingthecontinuousvaluesintoabinaryscaleiscalled().
A.digital-to-analogconversionB.digital-to-digitalconversionC.analog-to-digitalconversionD.analog-to-analogconversion
考题
When comparing analog display inputs to digital display inputs, which of the following is anadvantage that digital has over analog?()
A. Allows for higher brightnessB. More crosstalkC. Sustains higher resolutionsD. Supports widescreen resolutions
考题
is a device which enables digital microcomputers to communicate across analog telephone lines.A．The switchB．The modemC．The hubD．The repeater
考题
Which statement is true about IBGP routers? ()
A. They must be fully meshedB. They can be in a different ASC . They do not need to be directly connectedD. They must be directly connected
考题
Which of the following describes the roles of devices in a WAN? ()
A.A CSU/DSU terminates a digital local loopB.A modem terminates a digital local loopC.A CSU/DSU terminates an analog local loopD.A modem terminates an analog local loopE.A router is commonly considered a DTE deviceF.A router is commonly considered a DCE device
考题
Which two statements are true about analog to digital conversion of voice signals for use in digital telephony networks？（）A、The three required steps in the analog to digital conversion are sampling，encoding，and compression.B、The three required steps in the analog to digital conversion are sampling，quantization，and compression.C、The three required steps in the analog to digital conversion are sampling，quantization，and encoding.D、The output of the sampling process is a pulse code modulation （PCM） signal.E、The output of the sampling process is a pulse amplitude modulation （PAM） signal.
考题
Which of the following describes the roles of devices in a WAN?（）A、A CSU/DSU terminates a digital local loopB、A modem terminates a digital local loopC、A CSU/DSU terminates an analog local loopD、A modem terminates an analog local loopE、A router is commonly consideredaDTEdeviceF、A router is commonly considereda DCE device
考题
Which three statements are true about terms in a policy?（）A、The order of the terms in a policy is irrelevant.B、The action is specified in a then statement.C、Terms are optional in a policy.D、The match condition can be identified with a from statement.E、A from statement is mandatory in a term.
考题
Which statement is true about IBGP routers? （）A、They must be fully meshedB、They can be in a different ASC、They must be directly connected
考题
Which statement is true about The QoS Class Fibre Channel？（）A、 Cannot be disabledB、 Cannot have the CoS changedC、 Can have "Packet Drop" enabledD、 Is multicast optimizedE、 Can have the MTU changed
考题
Which of the following describes the roles of devices in a WAN? （）A、A CSU/DSU terminates a digital local loopB、A modem terminates a digital local loopC、A CSU/DSU terminates an analog local loopD、A modem terminates an analog local loopE、A router is commonly considered a DTE deviceF、A router is commonly considered a DCE device
考题
Which statement is true about the digital to analog conversion process？（）A、the two steps of digital to analog conversion are decompression and reconstruction of the analog signalB、the two steps of digital to analog conversion are decoding and filteringC、the two steps of digital to analog conversion are decompression and filtering of the analog signalD、the two steps of digital to analog conversion are quantization and decoding
考题
Which of the following describes the roles of devices in a WAN?（）A、A CSU/DSU terminates a digital local loop.B、A modem terminates a digital local loop.C、A CSU/DSU terminates an analog local loop.D、A modem terminates an analog local loop.E、A router is commonly considered a DTE device.F、A router is commonly considered a DCE device.
考题
Which test checks the transmitter and receiver of a local modem？（）A、data parityB、analog loop backC、local digital loop backD、remote digital loop back
考题
When comparing analog display inputs to digital display inputs, which of the following is anadvantage that digital has over analog?（）A、Allows for higher brightnessB、More crosstalkC、Sustains higher resolutionsD、Supports widescreen resolutions
考题
Which two statements are true about terms in a routing policy?（）A、A then statement is mandatory in a termB、If a term does not contain a from statement, all routers matchC、If a term does not contain a from statement, the Junos OS will not commitD、A then statement is not mandatory in a term
考题
Which statement is TRUE about the CacheFactory class ？（）A、 it is a topology agnostic way to access NamedCachesB、 it provides mechanisms to manage underlying remote data sourcesC、 both A and B are TRUED、Neither A nor B are TRUE
考题
多选题Which two statements are true about analog to digital conversion of voice signals for use in digital telephony networks？（）AThe three required steps in the analog to digital conversion are sampling，encoding，and compression.BThe three required steps in the analog to digital conversion are sampling，quantization，and compression.CThe three required steps in the analog to digital conversion are sampling，quantization，and encoding.DThe output of the sampling process is a pulse code modulation （PCM） signal.EThe output of the sampling process is a pulse amplitude modulation （PAM） signal.
考题
单选题Which statement is true about the capabilities of a voice gateway router？（）A
voice gateways with analog interfaces need a gatekeeper to convert analog signals into digital format before voice is encapsulated into IP packetsB
voice gateways need a gatekeeper to interconnect the VoIP networks the PSTN networkC
voice gateways with Cisco Unified CallManager Express （CME） can permanently act as a call agent for IP phonesD
voice gateways equipped with a DSP module can take the role of the call agent during WAN failure.
考题
单选题Which statement about firefighting foam is TRUE?（）A
Foam conducts electricityB
To be most effective，foam should be directed at the base of the fireC
Foam is most effective on burning liquids which are flowingD
Foam can ONLY be used to extinguish class A fires
考题
单选题Which statement is TRUE about the CacheFactory class ？（）A
it is a topology agnostic way to access NamedCachesB
it provides mechanisms to manage underlying remote data sourcesC
both A and B are TRUED
Neither A nor B are TRUE
考题
多选题Which two statements are true about terms in a routing policy?（）AA then statement is mandatory in a termBIf a term does not contain a from statement, all routers matchCIf a term does not contain a from statement, the Junos OS will not commitDA then statement is not mandatory in a term
考题
单选题Which statement is true about IBGP routers? （）A
They must be fully meshedB
They can be in a different ASC
They must be directly connected
考题
多选题Which of the following describes the roles of devices in a WAN?（）AA CSU/DSU terminates a digital local loopBA modem terminates a digital local loopCA CSU/DSU terminates an analog local loopDA modem terminates an analog local loopEA router is commonly consideredaDTEdeviceFA router is commonly considereda DCE device
考题
多选题Which three statements are true about terms in a policy?（）AThe order of the terms in a policy is irrelevant.BThe action is specified in a then statement.CTerms are optional in a policy.DThe match condition can be identified with a from statement.EA from statement is mandatory in a term.
考题
多选题Which of the following describes the roles of devices in a WAN?（）AA CSU/DSU terminates a digital local loopBA modem terminates a digital local loopCA CSU/DSU terminates an analog local loopDA modem terminates an analog local loopEA router is commonly considered a DTE deviceFA router is commonly considered a DCE device
热门标签
最新试卷