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HCIP V1.1 > 201-300 > Flashcards

201-300 Flashcards

1
Q

After PPP Multilink is configured, data is evenly allocated to member links based on the source and destination addresses.
A - TRUE
B - FALSE

A

False

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2
Q

OSPF supports multi-process. Multiple OSPF processes can run on the same router, and they are independent
of each other. Route exchange between different OSPF processes is similar to route exchange between different routing protocols.
A - TRUE
B - FALSE

A

True

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3
Q

When a BGP router receives a route with an unreachable next hop, how does it process the route?
A - It sends an error message to the router that sends the Update message.
B - It does not add this route to its BGP routing table and discards this route.
C - lt accepts and adds this route to its BGP routing table, However this route will not be preferred by BGP
and not added to IP routing table.
D - it accepts and adds this route to its BGP routing table This route will participate in BGP route selection
and may become the optimal route and added to the IP routing table

A

C

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4
Q

In downstream unsolicited (DU) label advertisement mode if the liberal label retention mode is used, the device reserves labels received from all the LDP peers regardless of whether the LDP peer is the next hop for reaching destination network.
A - TRUE
B - FALSE

A

True

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5
Q

Which of the following is not the application scenario of the guest access management function of the Agile
Controller?
A - Customers access the enterprise network, public resources or Internet during exchanges with or visits to
the enterprise
B - Citizens access the Internet through the network provided by public utilities
C - Consumers connect to the Internet over the enterprise network
D - Enterprise employees on a business trip connect to the enterprise network through branch network

A

D

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6
Q

When QoS is deployed on a network to improve the quality of some services, the quality of other services
must deteriorate
A - TRUE
B - FALSE

A

True

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7
Q

eSight single-server mode allows login of only one user. If another user logs in, the system displays a message
indicating that a user is online currently.
A - TRUE
B - FALSE

A

False

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8
Q

In an OSPF routing domain, two routers must be specified as one DR and one BDR in a broadcast or NBMA network with at least two routers.
A - TRUE
B - FALSE

A

False

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9
Q 
Which of the following protocols can be deployed to quickly detect network link faults?
A - BFD
B - RSTP
C - iSPF
D - Smart-Link
A

A

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10
Q

In the VRP, by default, the routes imported by BGP will be automatically summarized.
A - TRUE
B - FALSE

A

False

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11
Q

During EBGP peer relationship troubleshooting, it is found that two directly connected devices set up
connections using loopback interfaces. Therefore, the display current-configurations configuration bgp command is executed to check the configuration of peer ebgp-max hop hop-count. Which of the following statements is correct?
A - The hop count must be greater than 1
B - The hop count must be greater than 2
C - The hop count must be greater than 15
D - The hop count must be greater than 255

A

A

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12
Q

A DHCP client needs to obtain an IP address from the
DHCP server when accessing a network for the first time. When the client accesses the network again, which
of the following statements are true? (MC)
A - The DHCP client broadcasts a DHCP Discover packet. The DHCP server replies to the packet
B - The DHCP client only needs to broadcast a DHCP Request packet containing the IP address obtained
last time but does not need to send a DHCP discovery packet again.
C - After receiving the DHCP Discover packet, the DHCP server sends a DHCP offer packet containing the leased
IP and other settings to the DHCP client.
D - After receiving the DHCP Request packet, the DHCP server returns a DHCP ACK packet if the requested IP address is not allocated to another client.

A

B D

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13
Q

Upon VRRP group flapping, the vrrp vrid timer advertise command is executed on the router to increase the
interval for sending VRRP packets, and then the display vrrp command is executed on the backup device to check the State field. It is found that the value of State
remains unchanged. Which of the following statements regarding these operations is true?
A - A small interval for sending VRRP packets may cause status flapping of the backup Device
B - A large interval for sending VRRP packets may cause status flapping of the backup device
C - Status flapping of the backup device is irrelevant to the interval for sending VRRP packets
D - The fault cause is not found, and it takes time for the device to recover from the fault

A

A

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14
Q

Which of the following statements regarding BGP route selection rules are true? (MC)
A - The route with the higher local preference is preferred
B - A summarised route is preferred over a non-summarised route
C - The priorities of three origin attributes types are in the following order EGP IGP Incomplete
D - Among the equal-cost routes the route with the shorter cluster-list is preferred

A

A B D

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15
Q

Which of the following are highlights of the service chain component of the agile controller? (MC)
A - Services are orchestrated based on the Layer 3 GRE tunnels and service devices can be deployed flexibly
B - Service orchestration operations are visualized in the topology, simplifying the configuration and management
C - Adding or deleting service devices does not change the physical topology of the live network and existing routes
D - Service are orchestrated automatically, without the need for manual maintenance

A

A B C

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16
Q

Which of the following statements regarding huawei eSight network management software is false?
A - eSight is a lightweight system and a wizard is available for eSight installation
B - eSihht adopts the C/S architecture so users can access eSight using a browser anytime, anywhere
C - eSight provides corresponding solutions for different customers
D - eSight can uniformly manage devices from multiple vendors

A

B

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17
Q 
Which of the following is not an external risk to a project?
A - Exchange rate change
B - Rainstorm disaster
C - Social unrest
D - Differences of industrial standards
A

D

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18
Q

Which of the following statements regarding ABR is false?
A - An ABR has multiple LSDBs and maintains one LSDB for each area
B - An ABR abstracts link state information within its connected non-backbone area as routing information
and advertises the routing information within the backbone area.
C - An ABR needs to abstract link state information within the backbone area as routing information and
advertises the routing information within all non-backbone areas.
D - An ABR can generate Type 3 LSAs Type4 LSAs and Type 5 LSAs

A

D

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19
Q

Flow mirroring is divided into local Flow mirroring and remote Flow mirroring.
A - TRUE
B - FALSE

A

True

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20
Q 
Which of the following contents are include in a migration project solution?
A - Migration preparation
B - Migration implementation
C - Rollback solution
D - Contingency plan
A

A B C D

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21
Q 
Which of the following firewalls has the highest forwarding efficiency when processing non-first-packet data flows?
A - Packet filtering firewall
B - Proxy firewall
C - Stateful inspection firewall
D - Software firewall
A

C

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22
Q

Which of the following statements regarding multicast are false? (MC)
A - Unicast and broadcast technologies cannot implement point-to-multipoint transmission. Only multicast technology can implement this function.
B - Multicast technology is applicable to most of point-to-multipoint data transmission applications
C - Multicast technology is based on TCP so it can ensure reliable transmission of packets.
D - Multicast technology can reduces redundant traffic and conserves bandwidth on a network.

A

A C

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23
Q

The peer default-route-advertise command is executed on a BGP router to advertise a default route to neighboring routers. Which of the following statements regarding the change of local BGP routing table is true?
A - An inactive default route will be generated in the local BGP routing table, but this route will not be
delivered to the IP routing table.
B - An active default route will be generated in the local BGP routing table and delivered to the IP routing table.
C - No default route will be generated in the local BGP routing table.
D - A default route will be generated in the local BGP routing table. Whether the default route will be delivered to the IP routing table depends on the route selection result.

A

C

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24
Q

Packet loss occur only at the transmit end.
A - TRUE
B - FALSE

A

False

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25
Q 
Which of the following contents are included in a project implementation solution?
A - Time plan
B - Personnel arrangement
C - Migration process
D - Risk control measures
A

A B C D

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26
Q 
When a large number of IP phones and WLAN APs exist on a network, which of the following switches is
used?
A - Switches supporting STP edge ports
B - Switches supporting PoE
C - Switches supporting SAGG
D - Switches supporting QoS
A

B

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27
Q 
If there are no receivers on a PIM-SM network, which of the following routers will have multicast routing entries?
A - Source DR
B - Receiver's router
C - Last-hop router
D - RP router
A

A D

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28
Q

During unpacking and inspection, the device appearance is intact and all modules work properly after the first power-on. After the device continuously runs for 24 hours, a fault occurs on a card. This situation does not conform to DOA conditions
A - TRUE
B - FALSE

A

False

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29
Q

Which of the following statements regarding the summary automatic command and BGP route summarization is false?
A - This command enables automatic summarization for the locally imported routes
B - After this command is configured BGP summarizes routes based on natural network segments
C - After this command is configured BGP sends only the summarized routes to peers
D - After this command is configured BGP does not accept the subnet routes advertised by IGPs. Therefore the number of routing information is reduced.
E - This command is used to implement automatic summarization. Automatic summarization takes precedence over manual summarization

A

E

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30
Q

A DHCP server provides different address allocation modes to meet various application requirements. Which
address allocation mode can be used to allocate an IP address to a host requiring temporary network access or allocate a group of limited IP addresses that can be shared by a group of temporary hosts.
A - Automatic allocation
B - Dynamic allocation
C - Manual allocation
D - Manual or dynamic allocation

A

B

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31
Q

Which of the following statements regarding the LSA header information in AS-external-LSA is false?
A - Link State ID indicates a destination network address
B - Advertising Router indicates the router ID of an ASBR
C - Net mask indicates the network mask of the destination network segment
D - Forwarding Address is always O.O.O.O

A

D

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32
Q 
What is the multicast destination address of VRRP packets?
A - 224.0.0.18
B - 224.0.0.20
C - 224.0.1.18
D - 224.0.1.20
A

A

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33
Q

Which of the following statements regarding different types of firewalls is false?
A - The packet filtering checks each data packet against ACL rules
B - The stateful inspection firewall uses security policies to check only first packet of non-matched sessions
C - The security policies in two directions need to configured on the stateful inspection firewall
D - The proxy firewall processes services of users of users on internal and external networks

A

C

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34
Q 
In addition to P2P network, which of the following network types is supported in IS-IS else?
A - P2MP
B - NBMA
C - SNAP
D - LAN (broadcast network)
A

D

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35
Q

The difference between an OSPF NSSA area and a stub area is that external routes can be imported into a
NSSA area.
A - TRUE
B - FALSE

A

True

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36
Q

MPLS uses LDP to provide different label distribution modes. Which of the following statements regarding
LDP label distribution control modes are false? (MC)
A - LDP label distribution can be controlled in ordered mode
B - ln ordered mode, when an LSR is the origin of a route, it can send label mapping messages to the upstream router initiatively and does not need to wait for label mapping messages from the next hop LSR.
C - LDP label distribution cannot be controlled in independent mode
D - ln independent mode, an LSR cannot send label mapping messages to the upstream router before it
receives label mapping messages from the next hop LSR.

A

C D

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37
Q

What are the features of SDN network architecture?
A - Separated forwarding and control layers centralized control and open interfaces
B - Separated forwarding and control layers distributed control and open interfaces
C - Centralized forwarding and control layers centralized control and open interfaces
D - Separated forwarding and control layers centralized control and closed interfaces

A

A

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38
Q

Which of the following statements regarding BGP route advertisement are false? (MC)
A - All the BGP routes learned from all BGP peer will be advertised to other BGP peers
B - Only the routes learned from IGPs can be advertised to other BGP peers
C - By default, the routes learned from an IBGP peer will not be forwarded to other IBGP peers
D - Only the optimal routes preferred by BGP can be advertised to other BGP peers

A

A B

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39
Q 
Which packet information can be used for complex traffic classification? (MC)
A - Packet length
B - Source and destination addresses
C - Protocol type
D - Source and destination MAC addresses
A

B C D

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40
Q

Which of the following statements regarding join member interfaces are false when link aggregation works in manual mode ?
A - An Eth-Trunk cannot be nestled and a member interface cannot be an Eth-Trunk
B - An Ethernet interface can join only one Eth-Trunk. Before adding an Ethernet interface to an Eth-Trunk, ensure that the Ethernet interface does not belong to any other Eth-Trunk.
C - If the local device uses the Eth-trunk, the remote interface directly connected to the member interface must join the Eth-Thrunk so that both ends can communicate.
D - An Eth-Trunk can work in layer 2 or Layer 3 mode. The two working modes can be identified automatically and do not need to be switched manually.

A

D

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41
Q

DHCP snooping is a valid security mechanism. Which of the following attack prevention methods can DHCP
snooping provide?
A - Defense against bogus DHCP server attacks
B - Defense against DoS attacks on the DHCP server
C - Defense against MAC address flooding attacks
D - Source MAC address check for data packets in collaboration with DAI
E - Source IP address check for data packets in collaboration with IPSG

A

A B E

42
Q 
Which information are included in the DHCP binding entry?
A - MAC address
B - IP address
C - Lease time
D - Physical port and UDP port
A

A B C

43
Q 
Which of the following attacks is not the network layer attack?
A - IP spoofing attack
B - Smurf attack
C - ARP spoofing attack
D - ICMP attack
A

C

44
Q

When two routers exchange LSDB information using DD packets, a master/slave relationship is formed first,
the router with a larger router ID is the master and determines the MS bit.
A - TRUE
B - FALSE

A

A

45
Q 
Which of the following aspects should be considered for migration risk assessment?
A - Key risk positions
B - Risk impact scope
C - Risk impact time
D - Loss caused by risks
A

A B C D

46
Q 
Which of the following commands can display route calculation statistics in an OSPF process?
A - display ospf cumulative
B - display ospf spf-statistics
C - display ospf global-statistics
D - display ospf request-queue
A

B

47
Q 
A customer needs to select Layer 3 100M switches from a series of Huawei's campus switches. Which of the
following series is proper?
A - S2700
B - S3700
C - S5700
D - S6700
A

B

48
Q

LDP uses Discovery messages to discover neighbors through different neighbor discovery mechanisms. Which of the following statements regarding basic discovery mechanisms are true? (Multiple Choice)
A - The destination IP address of the LDP Discovery message is the multicast IP address 224.0.0.2
B - The LDP Discovery message is sent to the specified LDP peer
C - The LSR does not does not send Hello messages any longer after TCP connections are established
D - The LDP Discovery message is encapsulated into a UDP packet and its destination port number is 646

A

A D

49
Q

In a MPLS VPN network, two-layer MPLS labels are added to data packets before they are transmitted over
the public network. Which of the following statements regarding two-layer labels are false? (Multiple Choice)
A - The outer label is the private network label and the inner is the public network label.
B - The MPLS VPN outer label is distributed manually by the LDP protocol. The inner label is distributed
by the peer MP-BGP neighbor.
C - By default, the outer label in data packets is popped out before being forwarded to the last hop
D - The outer label is used to instruct the PE to send data packets to the correct VPN

A

A D

50
Q

VXLAN is irrelevant to SDN technology.
A - TRUE
B - FALSE

A

True

51
Q

Which of the following statements regarding network address and port translation (NAPT) and no port translation (No-PAT) is true?
A - After NAPT translation all packets are from the same IP address for external users
B - ln No-PAT mode, only the transport layer protocol port number can be converted
C - ln NAPT mode, only the network layer protocol address can be converted
D - ln No-PAT mode, the network layer protocol address can be converted

A

D

52
Q

Which of the following statements regarding the IntServ model is false?
A - RSVP is used to transmit signaling of QoS requests, notifying the router of QoS requirements of the application.
B - It provides guaranteed bandwidth and delay to meet requirements of the application.
C - It can provide a load control service, to ensure that even in the case of network overload, can provide
services similar to the network which is not overloaded, that is, in the case of network congestion, this model ensures that packets of some applications can be processed with the low delay.
D - ln this model the network maintains the status of each flow(IP addresses and port numbers of source and
destination and destination ends )meeting application requirements

A

D

53
Q

Compared with OSPF, which of the following statements regarding IS-IS are true? (MC)
A - IS-IS supports more network types
B - IS-IS supports more area types
C - IS-IS has better scalability
D - IS-IS supports fewer protocol packet types

A

C D

54
Q

Port isolation can isolate communication between different interfaces in the same VLAN on a switch
A - TRUE
B - FALSE

A

True

55
Q 
An enterprise network usually uses private IP addresses for internal communication, which of the following
addresses is a private IP address?
A - 0.1.1.1
B - 127.5.4.3
C - 128.1.0.5
D - 172.24.35.56 
E - 231.33.24.35
A

D

56
Q

By default VRRP on a HUAWEI AR router works in preemption mode
A - TRUE
B - FALSE

A

True

57
Q 
Which of the following messages are supported by BGP?
A - Keepalive
B - Open
C - Update
D - Hello
A

A B C

58
Q

On a stateful inspection firewall where three is no session table, when the status detection mechanism is enabled and the second packet (SYN+ACK) of 3-way handshakes reached the firewall. Which of the following statements is true?
A - If the firewall security policy permits packets to pass the packets can pass the firewall
B - lf the firewall security policy permits packets to pass the session table is created
C - By default when status detection is disabled and the permit policy is configured, packets can pass.
D - Packets must pass the firewall and a session table is established

A

C

59
Q

When BGP route load balancing is configured, and there are two load balancing routes whose first eight BGP
attributes described in BGP route selection rules and the AS_PATH attribute are the same, how will the two routes prefix be advertised to neighbors?
A - The two routes will be both advertised to other BGP peers
B - One optimal route is selected from the two routes and then advertised to other BGP peers
C - The two routes will not be advertised to other BGP peers
D - One optimal route is selected from the two routes and then advertised to IBGP peers

A

A

60
Q

Which of the following statements regarding HUAWEI Network Optimization Service (NOS) is true? (MC)
A - Improves network availability and performance
B - Improves the productivity
C - Reduces costs
D - Implements knowledge transfer

A

A B C D

61
Q 
Which of the following items is conducted in the cause list phase of the structured network troubleshooting
process?
A - One-by-one check
B - Information filter
C - Temporary environment setup
D - Troubleshooting assessment
A

B

62
Q 
Which drop policy is not induced by congestion avoidance?
A - FIFO
B - RED
C - WRED
D - WFQ
A

A D

63
Q

When a BGP router receives a route with an unreachable next hop, how does it process the route?
A - It sends an error message to the router that sends the Update message
B - It does not add this route to its BGP routing table and discards this route
C - lt accepts and adds this route to its BGP routing table, However this route will not be preferred by BGP
and not added to the IP routing table
D - It accepts and adds this route to its BGP routing table. This mute will participate in BGP route selection
and many become the optimal route and added to the IP routing table.

A

C

64
Q

Which of the following methods is used to control internal employees and guests access networks in the Agile Controller wireless access control scenario?
A - Access control by user name
B - According to whether the wireless terminal MAC address registration control access
C - Access control by SSID (different SSIDs for internal employees and guests)
D - Access control by wireless terminal type

A

C

65
Q 
Which of the following is not overlay VPN technology?
A - GRE
B - IPSec VPN
C - SSL VPN
D - L2TP VPN
A

D

66
Q

RTA is the source designated router (DR) and RTB is the rendezvous point (RP). The multicast source sends multicast data to RTA but RTB does not have multicast source with PIM register packets. Which of the following are the possible causes?
A - There is no unicast route from RTB to RTA
B - RTA cannot learn the RP information
C - There is no multicast route from RTA to RTB
D - The RP learned by RTA is not RTB

A

B D

67
Q 
Which of the following troubleshooting methods is not based on the TCP/IP reference model?
A - Configuration comparison
B - Top-down
C - Bottom-up 
D - Replacement
A

A

68
Q

Which of the following are the differences between IGMP versions?
A - IGMPv1 and IGMPv2 do not support queries election but IGMPv3 does
B - lGMPv2 and IGMPv3 allow users to leave a group proactively whereas IGMPv1 does not
C - None of IGMPv1 IGMPv2,and IGMPv3 supports the SSM model
D - IGMPv1 does not support group-specific query whereas IGMPv2 does

A

B D

69
Q

Using default routes between routers is a cost-effective solution but this consumes more system resource than
complete routing table
A - TRUE
C - FALSE

A

False

70
Q

Which of the following statements regarding the stateful inspection firewall is true?
A - The stateful inspection firewall needs to match the rules for each incoming packet
B - Because UDP is a connectionless protocol so the stateful inspection firewall cannot match UDP packets
with the status table
C - When the stateful inspection firewall checks packets, packets of one same connection are not correlated
D - The stateful inspection firewall only needs to match the first data packet against a rule, and the subsequent packets of the connection are matched directly in the state table

A

D

71
Q 
Which of the following time can be used as the filtering conditions for historical alarm query on eSight? (MC)
A - Alarms severity
B - First occurrence time
C - Alarms source
D - Alarms name
A

A B C D

72
Q

The master/salve relationship of OSPF neighbors is negotiated using DD packets
A - TRUE
B - FALSE

A

A

73
Q 
In network design, a redundant network topology can be used to provide higher reliability for customer services. Which of the following topologies can be used to provide redundancy?
A - Star topology
B - Ring topology
C - Bus topology
D - Dual-star topology
A

B D

74
Q

The AS-PATH attribute cannot take effect within an AS. Therefore, a BGP router will not advertise any update
message received from an IBGP peer to other IBGP peers.
A - TRUE
B - FALSE

A

True

75
Q

Which of the following statements regarding OSPF packets are true? (MC)
A - An interface sends Hello packets immediately after being added to an OSPF area
B - After receiving a LSA Update packet, a router must send a LSAck packet for acknowledgement
C - LSA Update packets carrying detailed LSA’s are sent to synchronise the LSDB
D - LSA Update packets are sent only when adjacencies are established

A

A C

76
Q 
What is the default hello interval of a DIS in a broadcast network?
A - 5s
B - 10s
C - 3.3s
D - 40s
A

C

77
Q

A VPN instance is also called a VPN routing and forwarding (VRF) table. Which of the following statements is false?
A - VPN instances on a PE are independent of each other
B - Each VPN instance can be regarded as a virtual router, which maintains an independent address space
and has one or more interfaces connected to the VPN
C - A PE maintains multiple routing and forwarding including a public and forwarding table and one or
more VRF’s
D - A VPN instance can be bound to multiple sites. Multiple sites can be bound to one VPN instance

A

D

78
Q

If a fault cannot be rectified in a short time on a complex network but the customer needs to restore network
availability immediately, which of the following actions is recommended?
A - Tell the customer that this is impossible
B - Set up an alternative network environment
C - Communicate with the customer on skipping the faulty node and set up an alternative network
environment
D - Attempt rectify the fault if the fault cannot be rectified after a period of time, communicate with the
customer

A

C

79
Q 
What is the default sending interval of BFD packets?
A - 5s
B - 100ms
C - 1000ms
D - 10S
A

C

80
Q

In BGP, the origin attribute of the routes imported using the import-route command is incomplete
A - TRUE
B - FALSE

A

True

81
Q

When configuring source NAT with no-pat configuration parameters, which of the following statements is true?
A - Only the source IP address is translated.
B - Only the destination IP address is translated.
C - The source IP address and source port number are both translated
D - The destination IP address and destination port number are both translated

A

A

82
Q 
Which of the following are included in the full lifecycle guest management of the agile Controller. (MC)
A - Account registration
B - Account approval and distribution
C - Account authentication
D - Account audit and de-registration
A

A B C D

83
Q

Which of the following device discovery modes are supported by Huawei eSight network management
software? (MC)
A - By specified IP address
B - By specified IP address segment
C - By specified product model
D - Batch import by Excel file (containing specified IP addresses)

A

A B D

84
Q 
Which of the following regulations does not belong to the onsite behavior regulations during the service
process?
A - Rights regulations
B - Operation regulations
C - Attitude regulations
D - Preparation regulations
A

D

85
Q

The essence of SDN is to construct a brain for a network and achieve optimal global traffic through the global
view and centralized control
A - TRUE
B - FALSE

A

True

86
Q

ACL have two types of matching order, configuration order and automatic order
A - TRUE
B - FALSE

A

True

87
Q

Which of the following operations should be performed preferentially for telnet login failure troubleshooting?
A - Check whether the client can ping the server
B - Check whether the number of login users reaches the upper limit
C - Check whether an ACL is configured in the VTY user interface view
D - Check whether the access protocol is correctly configured VTY user interface view

A

A

88
Q

IGMPv3 not only supports IGMPv1 General Query and IGMPv2 group-specific query, but also IGMPv3
source/group-specific query
A - TRUE
B - FALSE

A

True

89
Q 
Which of the following BGP attributes are well-known mandatory attributes?
A - Local_Pref
B - Next_hop
C - AS_Path
D - MED
A

B C

90
Q 
An advanced ACL is a series of ordered rules with permit or deny clauses. Which of the attributes can be used in ACL rules to describe IP packets? (MC)
A - Source IP address
B - Destination IP address
C - Port number
D - ICMP packet type and message code
A

A B C D

91
Q

Which of the following statements regarding MUX VLAN is false?
A - Each group VLAN must be bound to a principal VLAN
B - lf the VLAN ID has been used by the principal VLAN, this VLAN cannot be used for the VLANIF interface super-VLAN or sub-VLAN
C - After MUX VLAN is enabled on an interface, VLAN mapping and VLAN stacking can be configured on
the interface
D - An enterprise can use the principal port to connect to the enterprise servers, a separate port to connect to
enterprise customers, and a group port to connect to enterprise employees. Enterprise customers and employees can both access enterprise servers, enterprise employees can communicate with each other, enterprise customers cannot communicate with each other. and the enterprise customers and employees cannot communicate with each other

A

C

92
Q

Which of the following statements regarding MPLS is false?
A - MPLS supports various network layer protocols and the packets carrying MPLS labels must be
encapsulated into PPP frames before being transmitted
B - MPLS labels uniquely identify specific packets in different subnets
C - The router can aggregate multiple IP flows into an FEC according to the forwarding target
D - Network connections must be established before the packets carrying MPLS labels can be transmitted
E - MPLS replaces IP forwarding with label switching

A

A

93
Q

On a MPLS network, switches can distribute labels. Which of the following statements regarding label distribution control mode is true?
A - The downstream LSR determines a label bound to a specific FEC, and then notifies the upstream LSR
B - ln Downstream on Demand (DoD) mode, an LSR distributes a label to an FEC without having to receive the label request message from its upstream LSR
C - ln Downstream Unsolicited (DU) mode, an LSR distributes a label to an FEC after receiving a label
request message from its upstream LSR
D - The upstream LSR and downstream LSR with label advertisement adjacencies may use different label distribution control modes

A

A

94
Q

The traditional tail drop method is used for packet loss which causes global TCP synchronization
A - TRUE
B - FALSE

A

True

95
Q

STP ensures a loop-free network but has a slow network topology convergence speed, affecting communication
quality. RSTP has made some improvements based on
STP. Which of the following improvements is not included?
A - RSTP deletes three port states and adds two port roles
B - RSTP reduces five port states to three port states based on user traffic forwarding and MAC address learning.
C - The non-root switch running RSTP sends configuration BPDUs at the interval specified by the hello timer which is performed independently by each device
D - lf a port does not receive configuration BPDUs from the upstream device within four hello intervals, the
switch considers that the negotiation with the neighbor fails

A

D

96
Q

In MSTP, each MSTI calculates an independent spanning tree by using the RSTP algorithm
A - TRUE
B - FALSE

A

True

97
Q

By default, to transmit routing information to other IBGP peers, a BGP speaker must establish IBGP connections with all other IBGP peers, forming IBGP fully meshed connections within an AS
A - TRUE
B - FALSE

A

True

98
Q

In a non-broadcast network, OSPF has two running modes, NBMA and P2MP, and DR/BDR need to be elected in a NBMA network
A - TRUE
B - FALSE

A

True

99
Q

SDN and NFV are essentially the same concept and both define network function virtualization.
A - TRUE
B - FALSE

A

False

100
Q 
When OSPF runs in a broadcast network, DR and BDR need to be elected. In which state will DR and BDR be
elected?
A - Init state
B - Attempt state
C - 2-Way State
D - Exchange state
A

C

HCIP V1.1 (5 decks)

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