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السؤال #1
The DHCP protocol assigns to clients―some TCPIP-related parameter information―in the process DHCP defines a variety of messages that are encapsulated at the transport layer: (sortic).
A. PPP package
B. IP encapsulation
C. TCP Encapsulation
D. UDP Encapsulationcorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #2
As shown in the figure, the OSPF protocol is enabled on all interfaces of the router. Which of the following descriptions is correct?
A. The Type5 LSA generated by R2 in area 0 contains the routing information of 10
B. The Type1 LSA generated by R2 in area 0 contains the routing information of 10
C. The Type2 LSA generated by R2 in area 0 contains the routing information of 10
D. The Type3 LSA generated by R2 in area 0 contains the routing information of 10
عرض الإجابة
اجابة صحيحة: B
السؤال #3
When the network administrator tried to access the internal network device through Telnet, he found that he could not access it. Which of the following reasons is impossible?
A. The route is unreachable and the client and server cannot establish a TCP connection
B. ACL is bound in the VTY user interface
C. Protocol inbound all is configured in the VTY user interface
D. The number of users logged into the device has reached the upper limit
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اجابة صحيحة: C
السؤال #4
Which of the following extended community attributes is used by BGP EVPN to advertise the migration of connected VMs?
A. RT
B. EVPN Router’s MAC Extend Communitycorrect
C. MAC Mobility
D. RD
عرض الإجابة
اجابة صحيحة: B
السؤال #5
As shown in the figure, a company wants to achieve secure mutual access between the head office and branches through MPLSVPN, and at the same time requires that the IPN traffic of the branch bank must be forwarded through the head office to achieve traffic monitoring
A. VPN routing information can be exchanged between A
B. When Hub-CE passes routing information with Hub-PE, you need to configure a route on Hub-PE that allows receiving AS numbers to be repeated 1 time to receive routes published by Hub-CE
C. Between Hub-CE and Hub-PE, and between Spoke-PE and Plan-CE, routing information can be exchanged using the OSPF protocol
D. An MP-IBGP peer relationship is established between Spoke-PE and THE VPN routing information is exchanged
عرض الإجابة
اجابة صحيحة: D
السؤال #6
Atter policy association is deployed on a campus network, the control device and access device establish CAPWAP tunnels to complete user association, exchange messages, deliver user authorization policies, and forward users' service data.
A. True
B. Falsecorrect
عرض الإجابة
اجابة صحيحة: B
السؤال #7
IPv6 is deployed on a campus network for service tests. In the initial phase of deployment, engineers want to use IPv6 static routes to implement network interconnection. When creating an IPv6 static route, you can specify either or both the outbound interface and next hop.
A. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #8
What is the wrong description of the function of OSPFv3 protocol authentication?
A. OSPFv3 can only establish a security alliance SA using manual mode
B. Huawei router OSPFv3 IPSec authentication can not only support transmission mode, but also support tunnel modecorrect
C. OSPFv3 authentication relies on IPv6 packet authentication headers and encapsulation security net load headers
D. The OSPFv3 protocol header removes the Type and Automation fields
عرض الإجابة
اجابة صحيحة: B
السؤال #9
Which of the following options is not the discarding strategy of the cache queue?
A. Tail discard
B. WRRcorrect
C. RED
D. WRED
عرض الإجابة
اجابة صحيحة: B
السؤال #10
What is the largest number of CPEs that a site can support in the Huawei SD-WAN Solution?
A.
B.
C.
D.
عرض الإجابة
اجابة صحيحة: D
السؤال #11
When you con?gure a virtualized campus network on iMaster NCE-Campus, creating a virtual network is equivalent to creating a VPN instance to isolate di?erent services.
A. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #12
The DHCP protocol assigns to clients―some TCPIP-related parameter information―in the process DHCP defines a variety of messages that are encapsulated at the transport layer :(sortic).
A. PPP package
B. IP encapsulation
C. TCP Encapsulation
D. UDP Encapsulationcorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #13
In the SSH algorithm negotiation phase, the SSH server and client exchange the list of algorithms that they support. The list of symmetric encryption algorithms of the SSH server is as follows: aes256-ctr, aes192-ctr, aes128-ctr, and aes256-cbc. The list of symmetric encryption algorithms of the SSH client is as follows: aes128-ctr, aes192-ctr, aes256-ctr, and aes256-cbc. Which of the following symmetric encryption algorithms can be used by both the SSH server and client?
A. aes256- ctrcorrect
B. aes192- ctrcorrect
C. aes128- ctrcorrect
D. aes256- cbccorrect
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #14
As shown in the figure, three switches S1, SW, and SN3, where SWI is the root bridge, and link congestion occurs between SI and SW2, SWD cannot receive the configuration BPDU sent by the root bridge, which spanning tree protection mechanism does the administrator need to configure to prevent the problem caused by link congestion?( Single choice questions).
A. root protection
B. PreventS TC-BPDU attacks
C. BPDU Protection
D. Loop Protection
عرض الإجابة
اجابة صحيحة: D
السؤال #15
In RSTP, which port provides a backup path to reach the root node of the spanning tree? What state is the port in?
A. Root Port and Listening Status
B. Alternate Port and Forwarding Status
C. Alternate Port and Learning Status
D. Designated port and Listening status
E. Alternate port and Discarding statuscorrect
عرض الإجابة
اجابة صحيحة: E
السؤال #16
View the details of all VPN instances on a network device and the results are as follows, which of the following statements is wrong?( Multiple choice questions). A. The total number of instances that enable the IPv6 address family in the VPN configured on this side is 1 . B. VPN-Instance vpna does not receive VPN routes with an RT of 2:1. C. The GigabitEthernet 1/0/0 interface is tied to the VPN-Instance vpna D. The device assigns a label to each route of the VPN-Instance vpna.
View the details of all VPN instances on a network device and the results are as follows, which of the following statements is wrong?( Multiple choice questions). A
عرض الإجابة
اجابة صحيحة: AD
السؤال #17
Regarding the description of Network Address Port Translation (NAPT) and Network Address Only Translation (No-PAT), which of the following statements is correct?
A. After NAPT conversion, for external network users, all packets will only come from the same IP address
B. No-PAT supports protocol address translation at the network layercorrect
C. NAPT only supports protocol address translation at the network layer
D. No-PAT only supports protocol port conversion at the transport layer
عرض الإجابة
اجابة صحيحة: B
السؤال #18
Compared with traditional networks, SD-WAN can better ensure application experience. Which of the following is the main reason?
A. SD-WAN can use IPsec technology to realize encrypted transmission of packets
B. SD-WAN can provide different routing strategies and different QoS strategies for different applicationscorrect
C. SD-WAN can build various networking types such as Full Mesh, Hub-Spoke, Partial Mesh, etc
D. SD-WAN can realize multi-department business isolation based on VRF
عرض الإجابة
اجابة صحيحة: B
السؤال #19
MPLS supports both static and dynamic LSP establishment. Which of the following protocols cannot dynamically establish LSPs in MPLS TE scenarios?
A. GPB
C. SPF
D. S-IS
عرض الإجابة
اجابة صحيحة: A
السؤال #20
If a DR needs to be elected between multicast routers running PIM-SM to be responsible for the sending and receiving of source or member multicast data, which one is described correctly below for the DR election rule?
A. APIM routers with long interface masks are elected dr
B. BCompare the DR priority first; With the same priority, you need to compare the interface IP addresses of the PIM routers to elect dr
C. CPIM routers with small IP addresses are elected DR
عرض الإجابة
اجابة صحيحة: B
السؤال #21
When a Layer 3 switch sends IP packets originating from one VLAN to another LAN, which field in the following options is overridden? (Single choice questions).
A. Three layers of TTLcorrect
B. Layer 3 destination address
C. Layer 3 source address
D. Layer 3 Transport Protocol
E. Two-tier TTL
عرض الإجابة
اجابة صحيحة: A
السؤال #22
A VRRP virtual router configuration VRID is 3 and the virtual IP address is 100 1. 1. 10, so what is the virtual MAC address?
A. O0-00-5E-00-01-64
B. 01-00-5E-00-01-03
C. 01-00-5E-00-01-54
D. 00-00-5E-00-01-03correct
عرض الإجابة
اجابة صحيحة: D
السؤال #23
Huawei CloudCampus Solution provides location-based services (LBS), obtains Wi-Fi-based terminal location data, and reports the data to developers' LBS applications. In this case, terminal locations within a certain range can be calculated. Which of the following statement is incorrect about the interactions between the LBS application and iMaster NCE?
A. The LBS application generates a verification code
B. iMaster NCE sends a response code verification request to the LBS application, and the LBS application responds to the request
C. After the verification code is verified, iMaster NCE sends terminal location data to the LBS application
D. The LBS application parses the received terminal location data
عرض الإجابة
اجابة صحيحة: A
السؤال #24
SR is a technology that forwards data packets based on source IP addresses.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #25
Which of the following IEEE standards is specific to Gigabit Ethernet?
A. 8023zcorrect
B. 8023abcorrect
C. 8023ad
D. 8023af
عرض الإجابة
اجابة صحيحة: AB
السؤال #26
The SBFD state machine running on the initiator has only the up and down states and can alternate only between the two states.
A. True
B. Falsecorrect
عرض الإجابة
اجابة صحيحة: B
السؤال #27
Which of the following descriptions about traffic policing is correct?
A. Traffic policing will discard traffic that exceeds the limit
B. Traffic policing will cache traffic that exceeds the limit
C. Traffic policing can only be used in the outbound direction
D. Traffic policing can only be used in the inbound direction
عرض الإجابة
اجابة صحيحة: A
السؤال #28
MSTP switches treat RSTP switches as MSTP domains, MSTP, which are formed by a single switch. The interchange resolves the RSTBPDU to MSTBPDU, where IRPC is 0
A. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #29
BFD can implement millisecond-level link status detection.
A. TRUE
B. FALSE
عرض الإجابة
اجابة صحيحة: A
السؤال #30
As shown in the figure, the CES and PEs run OSPF for communication.
A. The domain ID configured on PE1 can be carried as a BGP extended community attribute of a route, and sent to PE2 along the route
B. If PE2 receives a BGP route from PE1 that carries a domain ID identical to the local domain ID and is calculated based on a Type 3 LSA, PE2 generates a Type 5 LS
C. If PE2 receives a BGP route from PE1 that carries a domain ID same as the local domain ID and is calculated based on a Type 1 or Type 2 LSA, PE2 generates a Type 3 LScorrect
D. If PE2 receives a BGP route from PE1 that carries a domain ID different from the local domain ID, PE2 generates a Type 5 LSA or Type 7 LSA, regardless of the LSA type based on which the route is calculated
عرض الإجابة
اجابة صحيحة: C

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