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السؤال #1
In the EPON network, what is the upstream and downstream bandwidth of the PON port?
A. 1Gbps/1Gbps
B. 1
C. 1
D. 1Gbps/2Gbps
عرض الإجابة
اجابة صحيحة: B
السؤال #2
(single) Which of the following access technologies is the fastest?
A. ADSL
B. ADSL2+
C. SHDSL
D. VDSL2
عرض الإجابة
اجابة صحيحة: D
السؤال #3
(single) At a UA5000 site, the ADSL user of the entire chassis needs to go up to the IP network through a VLAN. The upstream VLAN of the IPM card should be defined.
A. mart vlan;
B. tandard vlan;
C. uper vlan
D. ux vlan;
عرض الإجابة
اجابة صحيحة: A
السؤال #4
In the EPON network, what management and maintenance channel does the OLT use to configure and maintain terminal equipment?
A. OAM
B. DHCP
C. OMCI
D. SNMP
عرض الإجابة
اجابة صحيحة: A
السؤال #5
Is the following description correct?The link layer defines electrical and mechanical processes and functions to activate, maintain, and remove lines when the systems at both ends are connected.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #6
Fast Ethernet rate standards include 100Base-TX, 100Base-T4 and 100Base-FX.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #7
In the EPON network, what management and maintenance channel does the OLT use to configure and maintain terminal equipment?
A. OAM
B. DHCP
C. OMCI
D. SNMP
عرض الإجابة
اجابة صحيحة: A
السؤال #8
Where is the H.248 protocol used?
A. Between MGC and MGC
B. Between MG and MG
C. Between MGC and MG
D. Between MG and Swich
عرض الإجابة
اجابة صحيحة: C
السؤال #9
Is the following description correct?EPON data packets are variable length. The GPON downstream frame is of fixed length.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #10
Is the following description correct?In the GPON network, in order to avoid data conflicts and improve network utilization efficiency, the downstream direction adopts TDMA multiple access mode and arbitrates the data transmission of each ONU.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #11
(single) By default, which type of queue is the queue scheduling mode on the OLT?
A. RR
B. Q
C. Q
D. FQ
عرض الإجابة
اجابة صحيحة: C
السؤال #12
Is the following description correct?EPON data packets are variable length. The GPON downstream frame is of fixed length.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #13
In the EPON network, what management and maintenance channel does the OLT use to configure and maintain terminal equipment?
A. OAM
B. DHCP
C. OMCI
D. SNMP
عرض الإجابة
اجابة صحيحة: A
السؤال #14
Two splitters (primary splitter and second splitter) are cascaded under the PON port, and the splittingratio is 1:2 and 1:16 respectively. What is the total split ratio?
A. :2
B. :16
C. :18
D. :32
عرض الإجابة
اجابة صحيحة: D
السؤال #15
The traffic table of the OLT can not only set traffic speed limit parameters, but also set prioritystrategies.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: A
السؤال #16
In the EPON network, what is the upstream and downstream bandwidth of the PON port?
A. 1Gbps/1Gbps
B. 1
C. 1
D. 1Gbps/2Gbps
عرض الإجابة
اجابة صحيحة: B
السؤال #17
In the access network technology, which of the following access methods can provide the highest access bandwidth?
A. XG-PON mode
B. ADSL mode 2+ mode
C. VDSL mode
D. GPON mode
عرض الإجابة
اجابة صحيحة: A
السؤال #18
Which of the following statements about IP routes are correct?
A. In a LAN, a route consists of the following parts: IP address and MAC address
B. IP routes are used to guide IP packet forwarding
C. Routing is a concept at the second layer of the OSI model
D. Any route must contain the following information: source address, destination address, and next hop
عرض الإجابة
اجابة صحيحة: B
السؤال #19
In the EPON network, which parameter is used to filter the downstream data on the ONU?
A. GEM-PORT ID
B. ALLOC ID
C. ONT ID
D. LLID
عرض الإجابة
اجابة صحيحة: D
السؤال #20
Optical power attenuation, insertion loss, and return loss are the key parameters of ODN network.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #21
In the EPON network, what is the upstream and downstream bandwidth of the PON port?
A. 1Gbps/1Gbps
B. 1
C. 1
D. 1Gbps/2Gbps
عرض الإجابة
اجابة صحيحة: B
السؤال #22
(single) Is the following description correct? The cells transmitted in the ATM network have two priority levels, which are distinguished by the CLP bits in the cell header. CLP=1 indicates that the priority is high, and CLP=0 indicates that the priority is low.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: B
السؤال #23
What is the maximum physical transmission distance supported by GPHF in the GPON system?
A. 10 km
B. 20 km
C. 60 km
D. 40 km
عرض الإجابة
اجابة صحيحة: D
السؤال #24
(single) Is the following description correct? The goal of ATM, the biggest feature of ATM, is to achieve optimal network resource utilization for any form of service distribution. To achieve this goal, statistical reuse of network resources is required.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #25
Are the following statements correct? In GPON transmission, GEM port-ID is a unique identifier thatrepresents a service flow under a PON port.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: A
السؤال #26
Is the following description correct?EPON data packets are variable length. The GPON downstream frame is of fixed length.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #27
In the EPON network, which parameter is used to filter the downstream data on the ONU?
A. GEM-PORT ID
B. ALLOC ID
C. ONT ID
D. LLID
عرض الإجابة
اجابة صحيحة: D
السؤال #28
OneVLANWhat kind of domain can it be regarded as?
A. Conflict domain
B. Broadcast domain
C. Management domain
D. Physical area
عرض الإجابة
اجابة صحيحة: B
السؤال #29
(single) Is the following description correct? The MAC address of the computer network card is assigned by the IETF to each manufacturer and is unique worldwide.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #30
In the EPON network, what is the upstream and downstream bandwidth of the PON port?
A. Gbps/1Gbps
B.
C. Gbps/2Gbps
D.
عرض الإجابة
اجابة صحيحة: D
السؤال #31
Is the following description correct? The speed standards of Fast Ethernet are100Base-TX,100Base-T4with100Base-FX.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: A
السؤال #32
What are the possible reasons why the ONT cannot receive optical signals?
A. Board or port failure
B. Fiber break
C. OLT deactivates ONT
D. PON port is shut down
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #33
(single) What is the difference between alarm masking and alarm suppression?
A. here is no difference
B. hen the alarm mask function is set, the network element does any processing
C. hen the alarm masking function is configured, the NE still reports the alarm, but the network management system does not receive the alarm
D. hen the alarm masking function is set, the NE does not report the alarm
عرض الإجابة
اجابة صحيحة: C
السؤال #34
Is the following description correct?In the routing table entries, for the same destination address and mask (Destination/Mask), can only correspond to the only next hop and outgoing interface(Nexthop/Interface).
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #35
Which of the following does not belong to the category of communication networks?
A. Telephone network
B. InternetThe internet
C. Radio and Television Network
D. State Grid
عرض الإجابة
اجابة صحيحة: D
السؤال #36
Is the following description correct?The devices in the ODN network need power supply to work.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #37
Are the following statements correct? In GPON transmission, GEM port-ID is a unique identifier that represents a service flow under a PON port.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #38
Which of the following indicator status indicates that the MA5600T/MA5680T control board isrunning properly?
A. reen is on and is off repeatedly
B. teady green
C. reen 0
D. reen 0
عرض الإجابة
اجابة صحيحة: B
السؤال #39
In the EPON network, what management and maintenance channel does the OLT use to configure and maintain terminal equipment?
A. OAM
B. DHCP
C. OMCI
D. SNMP
عرض الإجابة
اجابة صحيحة: A
السؤال #40
The international organization responsible for allocating IP addresses has divided some private network segments, which can be flexibly allocated to private network users.Which of the following is not a private network segment?
A. 10
B. 172
C. 192
D. 224
عرض الإجابة
اجابة صحيحة: D
السؤال #41
In a traffic profile, the traffic rate can be configured, but the packet priority cannot be set.
A. ATRUE
B. BFALSE
عرض الإجابة
اجابة صحيحة: B
السؤال #42
In the EPON network, which parameter is used to filter the downstream data on the ONU?
A. GEM-PORT ID
B. ALLOC ID
C. ONT ID
D. LLID
عرض الإجابة
اجابة صحيحة: D
السؤال #43
What is the role of DBA in GPON system?
A. Improve PON port upstream bandwidth utilization
B. Improve PON port downstream bandwidth utilization
C. Increase the number of ONUs under the PON port
D. Improve the upstream bandwidth of the PON port
عرض الإجابة
اجابة صحيحة: A
السؤال #44
In the H.248 protocol, how to apply for gateway registration?
A. Send MOD_REQ from MG to MGC
B. Send MOD_REQ from MGC to MG
C. Send SVC_CHG_REQ from MG to MGC
D. Send SVC_CHG_REQ from MGC to MG
عرض الإجابة
اجابة صحيحة: C
السؤال #45
(single) Which is the default read community word and write community word for SNMP V2?
A. ub,pri
B. ublic,private
C. ead,write
D. ommon, secret
عرض الإجابة
اجابة صحيحة: B
السؤال #46
Which of the following commands can be used to confirm the auto-discovered board?
A. oard prohibit
B. oard reset
C. oard confirm
D. oard add
عرض الإجابة
اجابة صحيحة: C
السؤال #47
The traffic table of the OLT can not only set traffic speed limit parameters, but also set priority strategies.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #48
What is the next-generation development prospect of the access network?
A. expandPSTNApplications
B. Increase inADSLType of business transmitted on
C. Light advances and retreats
D. PromoteADSLTransmission distance, increase coverage radius
عرض الإجابة
اجابة صحيحة: C
السؤال #49
onIPWhich statement is correct in terms of routing?
A. Routing isOSIThe concept of the second layer in the model
B. Any route must include the following three parts of information: source address, destination address, and next hop
C. In a local area network, routing includes the following two parts:IPAddress andMACaddress
D. IPRouting is the guideIPPath information for packet forwarding
عرض الإجابة
اجابة صحيحة: D
السؤال #50
Is the following description correct?ICMPIs a link layer protocol,ICMPThe message is triggered by the physical layer, and then byIPLayer or higher layer protocol to respond.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #51
(single) In the 802.1Q tag header, how many VLANs is the VLAN ID, how many VLANs can be specified?
A. 4;16
B. 8;256
C. 10; 1024
D. 12;4096
عرض الإجابة
اجابة صحيحة: D
السؤال #52
In the EPON network, which parameter is used to filter the downstream data on the ONU?
A. GEM-PORT ID
B. ALLOC ID
C. ONT ID
D. LLID
عرض الإجابة
اجابة صحيحة: D
السؤال #53
In Ethernet, what address is used to distinguish different devices?
A. LLCaddress
B. MACaddress
C. IPaddress
D. IPXaddress
عرض الإجابة
اجابة صحيحة: B
السؤال #54
When maintaining or managing an OLT locally, you can log in to the system through the local serial port. Which of the following port is connected to the RJ-45 connector of the RS-232 serial cable?
A. ANetwork port of the maintenance PC
B. BCON port on the control board
C. CETH port on the control board
D. DESC port on the control board
عرض الإجابة
اجابة صحيحة: B
السؤال #55
The ONU connected to the GPON port can go online normally. However, when you run thedisplay ont infocommand on the OLT to query the ONU information, "Match state" is displayed as mismatch. The possible causes are:
A. The actual hardware capability of the ONU is inconsistent with the ONU service profile bound to the ONU
B. The ONU is offline
C. The ranging process is faulty during registration
D. The DBA parameters are set incorrectly
عرض الإجابة
اجابة صحيحة: A
السؤال #56
(single) According to the IEEE 802.1Q standard, where is the VLAN identification field in the Ethernet frame?
A. Before the source MAC address and the destination MAC address
B. Between the source MAC address and the destination MAC address
C. After the source MAC address and the destination MAC address
D. Not fixed
عرض الإجابة
اجابة صحيحة: C
السؤال #57
Passive optical network (PON) is a single-fiber bidirectional optical access network with what structure?
A. Chain type
B. Ring type
C. Tree type
D. Mesh type
عرض الإجابة
اجابة صحيحة: C
السؤال #58
(single) 10BASE-T refers to which medium is defined?
A. Thick coaxial cable
B. Thin coaxial cable
C. twisted pair
D. Fiber
عرض الإجابة
اجابة صحيحة: C
السؤال #59
(single) Is the following description correct? Ethernet technology is a widely used technology. It is divided into 10M, 100M, and 1000M according to different transmission rates. The common transmission medium for 10M and 100M Ethernet is twisted pair, but 1000M Ethernet is too fast. The transmission medium must be optical fiber.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #60
(single) What is the maximum transmission distance of SHDSL?
A. 1
B. 6KM
C. 10KM
D. 20KM
عرض الإجابة
اجابة صحيحة: B
السؤال #61
(single) What is the maximum transmission distance of SHDSL?
A. 1
B. 6KM
C. 10KM
D. 20KM
عرض الإجابة
اجابة صحيحة: B
السؤال #62
In UA5000, which of the following boards can provide 32 ADSL2+ interfaces and 32 POTS interfaces at the same time?
A. DRI
B. 32
C. DRB
D. SRB
عرض الإجابة
اجابة صحيحة: D
السؤال #63
(single) Is the following description correct? TTL is mainly used to prevent the cyclic forwarding of IP packets in the network and waste network bandwidth.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #64
Generally, an OLT is a switch or router and a multi-service provisioning platform.
A. RUE
B. ALSE
عرض الإجابة
اجابة صحيحة: A
السؤال #65
Is the following description correct?In the EPON network, in order to avoid data conflicts and improve network utilization efficiency, the downstream direction adopts TDMA multiple access mode and arbitrates the data transmission of each ONU.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #66
(single) Is the following description correct? Fast Ethernet speed standards are 100Base-TX, 100Base- T4, and 100Base-FX.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #67
What is the maximum transmission distance of SHDSL?
A. 1
B. 6KM
C. 10KM
D. 20KM
عرض الإجابة
اجابة صحيحة: B
السؤال #68
Regarding the T - CONT of ONT, the following statement is wrong:
A. One ONU/ONT can contain multiple T - CONTs
B. T - CONT 1 carries OMCl channel
C. Upstream bandwidth is allocated based on T - CONT
D. A GEM Port can carry one or more service streams as a service channel
عرض الإجابة
اجابة صحيحة: B
السؤال #69
Is the following description correct? Can test engineers use SmartKit NSE2700 Inspector on site to improve the efficiency of ADSL port activation?
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: B
السؤال #70
Are the following statements correct? In the GPON network, when the T - CONT type is Type 1, the system will only reserve the specified bandwidth for the service.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #71
Is the following description correct?In a GPON network, the ONU ID must be unique under a PON port.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #72
In the PPP protocol, if the protocol field is set to 8021, which protocol does it indicate?
A. CP protocol
B. PCP protocol
C. P protocol
D. PX protocol
عرض الإجابة
اجابة صحيحة: B
السؤال #73
(single) Is the following description correct? The goal of ATM, the biggest feature of ATM, is to achieve optimal network resource utilization for any form of service distribution. To achieve this goal, statistical reuse of network resources is required.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #74
In the GPON network, there is a long - light emitting ONT, what impact will it have?
A. All businesses are operating normally without impact
B. Other ONTs under the same PON port are offline
C. Other ONTs under the same OLT are offline
D. All of the above
عرض الإجابة
اجابة صحيحة: B

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