Online Access Free H3C.GB0-391.v2021-10-05.q158 Practice Test (Page 8)

GB0-391 Exam Question 31

The following information about VoIP saying voice transmission error is ______ .

A.needed to TCP to provide reliability mechanisms

B.need to RTP to provide re-ordering mechanism

C.need to UDP provides multiplexing mechanism

D.needs to UDP provides a time stamp mechanism

GB0-391 Exam Question 32

When the user uses the phone, after the telephone handle of the room starts to input the called number, which of the following signaling does the ringing of the called phone belong to ____ ?

A.letter information signaling

B.Call call signaling

C.to address signaling

D.monitoring tube signaling

GB0-391 Exam Question 33

Which of the following statements about LR is incorrect is

A.Not valid for non- IP packets

B.so that the flow rate is measured using the token bucket algorithm, would exceed the committed rate of packets into the queue buffer again, it reduces the overall packet loss rate, smooth traffic, introduces additional delay.

C.It is an active traffic adjustment measure that limits the total rate of packets sent downstream from an interface

D.bits at the link layer, all packets outgoing from the interface can take effect ( critical packets except packets )

GB0-391 Exam Question 34

Which of the following statements about IPSec and IKE is correct is ____ .( Choose one or more )

A.IKE is only responsible for providing security keys for IPSec establishment and does not participate in IPSec SA negotiation

B.IKE only with IPSec in conjunction

C.IPSec can only establish a security association through cooperation with IKE

D.After IPSec SA is established, data forwarding has nothing to do with IKE

GB0-391 Exam Question 35

The theoretical transmission rate of ADSL data is related to which of the following options ?

A.Number of sub- carrier channels

B.Line Road activate consultations

C.Sub- carrier channel rate

D.modulation system rate

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GB0-391 Exam Question 31

GB0-391 Exam Question 32

GB0-391 Exam Question 33

GB0-391 Exam Question 34

GB0-391 Exam Question 35

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