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خذ اختبارات أخرى عبر الإنترنت
السؤال #1
The following which is commonly used positioning means of Ethernet docking failure? (Multiple choice)
A. check port state of lightcorrect
B. check the port configurationcorrect
C. Pingcorrect
D. check port transceivers packet statisticscorrect
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #2
When adding ont-lineprofile on the OLT, which need to configure? (Multiple choice)
A. Add DBA template
B. Bind tcont and DBA template
C. Add gemport and configure gemport mapping relationship
D. Configure the vlan of the ONTETH port
عرض الإجابة
اجابة صحيحة: ABC
السؤال #3
(single) Is the following description correct? ADSL2+ is an extension of ADSL technology, supporting downlink rates up to 24 Mbit/s and uplink rates of 2.5 Mbit/s, with a maximum transmission distance of 6.5 km.
A. False
B. True
عرض الإجابة
اجابة صحيحة: B
السؤال #4
Among the access technologies of the access network, which of the following access methods can provide the largest access bandwidth?
A. ADSL
B. ADSL 2+
C. VDSL
D. GPON
عرض الإجابة
اجابة صحيحة: D
السؤال #5
Is the following description correct? ONT loading on MA5600T/MA5680T GPBC/GPBD is parallel on-board, and supports parallel loading of 256 ONTs at the same time.
A. True
B. Falsecorrect
عرض الإجابة
اجابة صحيحة: B
السؤال #6
(single) When locating an ADSL fault, what causes the ADSL Modem to fail to activate?
A. Board failure or port failure
B. Line problem, or MODEM failure
C. Line activation template configuration error
D. The above are possible
عرض الإجابة
اجابة صحيحة: D
السؤال #7
(single) Is the following description correct? The UA5000 is connected to the lanswitch through the GE . The working mode of the two ports can be auto-negotiation mode and the other mode is mandatory.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #8
The following description which is correct? MA5600T can be divided into four levels: critical, major, minor and warning.
A. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #9
Which of the following statements about DHCP is wrong?
A. Multiple DHCP servers are not allowed in the network at the same time, because multiple servers will respond at the same time, and the client cannot choose an address
B. The Discover message between the DHCP Relay and the DHCP server is a unicast messagecorrect
C. If the client gives up the current IP address, uses the DHCPRELEASE message to notify the server, and the server reclaims this address for the next use
D. The packet exchanges experienced by DHCP to obtain an address normally include Discover, offer, Request and ACK
عرض الإجابة
اجابة صحيحة: B
السؤال #10
(single) In the Solaris environment, which of the following commands (parameters) is used to unconditionally abort the process?
A. kill -7 pid
B. kill -8 pid
C. kill -9 pid
D. kill -10 pid
عرض الإجابة
اجابة صحيحة: C
السؤال #11
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 #12
Which of the following statements about the test of the mean optical transmit power of an optical interface is incorrect?
A. ARepeat the preceding steps to check whether the maximum and minimum values of the mean optical transmit power meet the technical requirements
B. BThe optical power meter is calibrated
C. CThe fiber connector and the optical connector on the panel of the optical interface board are clean and connected properly
D. DConnect one end of the test pigtail to the Rx port on the optical interface board, and connect the other end of the pigtail to the optical power meter
عرض الإجابة
اجابة صحيحة: D
السؤال #13
(multiple) In the GPON network, which of the following reasons may cause the ONT to not be automatically discovered?
A. The optical power received by the ONT is greater than the overload optical power
B. The optical power received by the ONT is less than the sensitivity value
C. The ONT auto-discovery function of the GPON port is not enabled
D. OLT uplink port down
عرض الإجابة
اجابة صحيحة: ABC
السؤال #14
After the installation is complete sybase patch, which of the following commands to display the installed version information sybase patch?
A. 1>select @@version2>gocorrect
B. 1>select @@patch2>go
C. 1>version_help2>go
D. 1>ver_help2>go
عرض الإجابة
اجابة صحيحة: A
السؤال #15
Which of the following boards does not belong to the narrowband service board of the UA5000?
A. A32
B. A64
C. DSLD
D. ADRIcorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #16
In the 10G GPON system, the XGEM frame is used to encapsulate data. How many bits of PORT ID are defined in the XGEM header?
A. 16correct
B. 14
C. 12
D. 18
عرض الإجابة
اجابة صحيحة: A
السؤال #17
In the EPON network, what are the management protocols running between the OLT and the ONT?
A. OMCI
B. SNMP
C. OAMcorrect
D. IGMP
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اجابة صحيحة: C
السؤال #18
If the PON system is regarded as a black box, the external interfaces presented by the OLT and ONU are mainly Ethernet interfaces, and the GEM encapsulation and decapsulation take place inside the PON system.
A. TRUEcorrect
B. FALSE
عرض الإجابة
اجابة صحيحة: A
السؤال #19
Which bit in the Flags field of an IP packet indicates whether the packet can be fragmented?
A. MF
B. DFcorrect
C. ToS
D. Reserved bit 0
عرض الإجابة
اجابة صحيحة: B
السؤال #20
(single) Is the following description correct? The ADSL port can only allow further operations on the port after the port is unblocked.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #21
GPON network, which of the following reasons may cause ONT can not automatically discover? (Multiple choice)
A. ONT received optical power is greater than the overload optical power
B. ONT received optical power is less than the sensitivity valuecorrect
C. GPON port ONT auto-discovery feature is not enabled
D. OLT uplink port down
عرض الإجابة
اجابة صحيحة: ABC
السؤال #22
Which two UDP port numbers are defined by H.248 protocol by default?
A. 2943
B. 2944correct
C. 2945correct
D. 2946
عرض الإجابة
اجابة صحيحة: BC
السؤال #23
The xPON system adopts WDM technology to realize single-fiber bidirectional transmission.
A. TRUEcorrect
B. FALSE
عرض الإجابة
اجابة صحيحة: A
السؤال #24
What is the attenuation of the 1:2 splitter?
A. 13db
B. 8db
C. 5db
D. 3db
عرض الإجابة
اجابة صحيحة: D
السؤال #25
Which of the following statements about the configuration of static routes is correct ？
A. The next hop is required
B. The mask parameter is requiredcorrect
C. The mask parameter is optional
D. Priority is required
عرض الإجابة
اجابة صحيحة: B
السؤال #26
(single) In the GPON network, which of the following statements is incorrect?
A. Each T-CONT consists of one or more GEM Ports, each carrying a traffic flow
B. Supports up to 32 ONUs/ONTs per GPON port
C. The GEM Port identifies the service virtual channel between the OLT and the ONU/ONT, that is, the channel that carries the service flow, similar to the VPI/VCI identifier in the ATM virtual link
D. Each GEM Port is identified by a unique Port-ID
عرض الإجابة
اجابة صحيحة: B
السؤال #27
In the downstream direction of the GPON, all ONUs receive the same data because the broadcast mode is adopted. In the upstream direction, because the same optical splitter is used, the data of a branch fiber can also be received by another branch fiber.
A. ATRUE
B. BFALSE
عرض الإجابة
اجابة صحيحة: B
السؤال #28
Is the following description correct? The ADSL port can only allow further operations on the port after unblocking the port.
A. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #29
Which of the following commands can be used to confirm the auto-discovered board?
A. board prohibit
B. board reset
C. board confirmcorrect
D. board add
عرض الإجابة
اجابة صحيحة: C
السؤال #30
In Solaris vi editor, how to give up the edited file and exit vi?
A. :quit!correct
B. :q
C. :exit
D. :q!correct
عرض الإجابة
اجابة صحيحة: AD

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