H35-211_V2.5-ENU 実際試験問題と解答 - 模擬練習 - 受験自信を増やす

Question No : 1
If the IGMP version on the OLT is configured as V2, what actions will the OLT take when it receives an IGMR v3 join message forwarded from the ONT?

A.Normal forwarding
B.Send a specific group query message
C.Send a general group query message
D.Discard directly

正解:

Question No : 2
Regarding multicast, which of the following descriptions is incorrect?

A.Add an Lgmp user under BT
B.By default, each multicast user can watch 8 programs.
C.The user-sent report is captured by the board's logic and sent to the board's CP
D.Based on the universal parameters of the device-wide configuration of the Layer 2 group pointer protocol (IGMP Proxy, GMP Snoop), for all
E.When igmp match mode is disabled, multicast program groups need to be configured.

正解:

Question No : 3
A complete SIP message exchange process includes multiple request and response messages. A field in the SIP message header can be used to describe the specific request corresponding to the current response message. This field is ().

A.Csea
B.Call-ID
C.First line
D.Message Body

正解:

Question No : 4
The maximum splitting ratio supported by GPON is ().

A.1:64
B.1:256
C.1:128
D.1:32

正解:

Question No : 5
The downlink wavelength in a 10G GPON system is ().

A.1310nm
B.1577nm
C.1270mm
D.1490nm

正解:

Question No : 6
Which of the following multicast protocols is directly associated with the target host? The router running this protocol is responsible for managing the joining and leaving of user hosts in the group, and sending multicast data to the hosts by querying the multicast forwarding table.

A.MSDP
B.PIN-DM
C.PIN-SM
D.IGMP

正解:

Question No : 7
In a GPON system, which queue scheduling method is recommended to ensure priority forwarding of important services?

A.GQ
B.SQ
C.PQ
D.DWRR

正解:

Question No : 8
In GPON systems, Huawei recommends against using optical splitters of level two or higher. Which of the following network topologies is incorrect?

A.First-order spectral separation ratio 1:2, second-order spectral separation ratio 1:8
B.First-order spectral separation 1:8, second-order spectral separation 1:8
C.First-order spectral density 1:2, second-order spectral density 1:16
D.First-order spectral density 1:16, second-order spectral density 1:16

正解:

Question No : 9
Which of the following descriptions about the protection scope of Type B is correct?

A.Uplink
B.OLT-ONU end-to-end line
C.Branched optical fiber
D.Backbone fiber

正解:

Question No : 10
After starting the PITPV working mode, which of the following device nodes adds the user's location information to the message?

A.ONU
B.BRAS
C.ONT
D.OLT

正解:

Question No : 11
After enabling ABS encryption in a GPON system, which device initiates the key change?

A.R
B.ONU
C.OLT
D.PC

正解:

Question No : 12
In a GPON network, when measuring the light emission of an ONU, which of the following descriptions is correct?

A.Measure the optical power of the PON network directly in series with the ODN, using a 1310nm measurement.
B.After turning on the ONU's continuous light-emitting switch via command, use optical power measurement.
C.Optical power is fed into the PON network via the PON network and measured using 1490nm.
D.Measurement via direct connection of an optical power meter to the PON port of the ON

正解:

Question No : 13
A certain park project uses XGS PON technology N1 standard (link loss range is 14~29dB). The ONU is used for A backhaul. The concurrent uplink and downlink bandwidth of each ONU is 300Mbps/600Mbps. Excluding splitting loss, the maximum link loss is 16dB. What splitting ratio optical splitter should be used in the project?

A.1:8
B.1:32
C.1:16
D.1:4

正解:

Question No : 14
In an ideal network configuration, with OLT (3ka fiber optic cable) --- 1, and splitter --- (7kn fiber optic cable) I, and LT transmitting optical power of 2dBam, what is the normal optical power (Pn) of U receiving optical power?

A.-10
B.-2
C.-5
D.-15

正解:

Question No : 15
In an FTX network, which of the following can improve address utilization when planning IP addresses?

A.MSTP
B.QinQ
C.MPLS
D.VLSM

正解:

Huawei H35-211_V2.5-ENU 問題練習