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NEW QUESTION 87
Through the display ip interface GE0/D/D command, you can view the statistics of ping packets received on this interface.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 88
According to this picture, what can we judge? (Multiple choice)
- A. R4 belongs to Level-1 only
- B. The device whose system-ID is ee8c. a0c2.baf2, and its type is Level-1
- C. R4 belongs to Level2 only
- D. The device whose system-ID is ee8c.a0c2.baf2, and its type is Level-1-2
Answer: A,D
NEW QUESTION 89
The input information of a router is as follows. Which of the following causes the OSPF adjacency cannot be established normally?
- A. interfaceIPInconsistent address masks
- B. Hell. Inconsistent message sending interval
- C. Area code does not match
- D. Inconsistent area type
Answer: B,C
NEW QUESTION 90
According to this diagram, can we break the
- A. system-IDforee8c.a0c2.baf2The device' whose type isLevel-1
- B. R4belong only toLevel-1
- C. R4dry onlyLevel2
- D. system-IDforee8c.a0c2.baf2device whose type isLevel-1-2
Answer: B,D
NEW QUESTION 91
After a fault occurs, you need to collect and back up various types of fault information in time as a reference for troubleshooting. In addition, when seeking emergency assistance from Huawei Technologies Co., Ltd.
- A. False
- B. True
Answer: B
NEW QUESTION 92
According to this picture, what can we judge? (Multiple choice)
- A. R4 belongs to Level-1 only
- B. The device with system-ID ee8a0c2.baf2, its type is Leve1-1
- C. R4 belongs to Leve1-2 only
- D. The device whose system-ID is ee8c. a0c2.baf2, and its type is Level-1-2
Answer: A,D
NEW QUESTION 93
Which of the following statements is false when troubleshooting the dual-active failure of a VRRP backup group?
- A. need to checkVRRPgroup of virtualIPIs the address the same
- B. need to check the interfaceVRRPGroupIDIs it the same
- C. No need to check deliveryVRRPWhether the switch port of the advertisement message is in the sameVLAN
- D. Interface needs to be checkedIPWhether the address is in the same network segment
Answer: C
NEW QUESTION 94
Which of the following regular expressions can only match BGP routing entries that pass through AS200 and then AS300?
- A. _[200 300]_
- B. ^200|^300
- C. 200$|300$
- D. _(200 300)_
Answer: D
NEW QUESTION 95
LDP messages are exchanged between LSRs running the LDP protocol. LDP messages can be divided into four types according to their functions. Which of the following is not an LDP message type?
- A. Conversation message
- B. Discovery
- C. Label exchange messages
- D. Announcement
Answer: C
NEW QUESTION 96
In intra-domain MPLS VPN networks, data packets will be encapsulated with two layers of MPLS when they enter the public network and are forwarded.
Label, a description of the two-layer label in the following options. What is wrong is:
- A. By default, the outer label is popped before the packet is forwarded to the last hop device
- B. M PLS VPNThe outer layer is labeled as a private network label, and the inner layer label is called a public network label.
- C. Layer labels are used inPEThe device sends the packet correctly to the correspondingVPNmiddle
- D. MPLS VPNThe outer label is made byLDPprotocol or statically assigneD. the inner label is assigned by the correct end MP-BGPassigned by neighbors
Answer: B,C
NEW QUESTION 97
As shown in the figure, OSPF is enabled on all interfaces of the router, and the ip address identified in the figure is the device's IP address.
Loopback0 presses the IP address of the port, RI, R2, R3EJLoopbacD is advertised in the area 1, R4 LoopbacfkD advertises in area D and which of the following functional addresses can be pinged between the LoopbackD announcements of R5 and R5 in area 2?
Areal
10.0.1.1/32
- A. 10.0.2.2 10.0.5.5
- B. 10.0.2.2and10.0.3.3
- C. 10.0.3.3 10.0.5.5
- D. 10.0.4.4and10.0.2.2
Answer: B
NEW QUESTION 98
As shown in the figure, Sitel and Site2 need to achieve mutual access through the operator's BGP/MPLS IPVPN. A known The public network tunnel between PE1 and PE2 has been established (the label information is shown in the figure), and PF1 has The 192.168.1.0/24 network segment route is advertised to PE2 through the MP.JIBGP neighbor relationship, and the route learning is normal. When grabbing between P and PE1, when Site2 accesses the 192.168.1.0/24 data of Sitel, the outermost label What should the sign be?
FEC In/Out label
1.1.1.1/32 6662/3
- A. 0
- B.
- C. 1
- D. 2
Answer: C
NEW QUESTION 99
As shown in the figure, the router runs OSPF and Area2 is a completely stub area. Please match the type of LSA contained in each area with the area ID.
Type1 LSA , Type2 LSA , Type3 LSAType1 LSA , Type2 LSA , Types LSA , Type5 LSAType1 LSA , Type2 LSA , Type3 LSA , Type4 LSA , Type5 LSA
Answer:
Explanation:
NEW QUESTION 100
Which of the following descriptions about TTL in the MPLS header are correct? (Multiple choice)
- A. When the TTL of the shell is disabled, tracert can see the LSR of the MPLS domain that it passes through
- B. Can prevent infinite loop forwarding of messages
- C. There are two ways to deal with MPLST correctly and TTL. One is to copy the TTL value of the MPLS header when an IP packet enters the MPLS network. The other is to set the TTL of the MPLS header to 255 at the ingress LER.
- D. The processing method of copying the IP TTL value hides the LSR of the MPLS domain and plays a certain security role
Answer: B,C
NEW QUESTION 101
What characteristics must a high-risk operation plan have?
- A. with verification
- B. Strong operability
- C. can return
- D. accurate
Answer: A,B,C,D
NEW QUESTION 102
Ethernet is a network that supports broadcasting, and once there is a loop in the network, this simple broadcasting mechanism can cause catastrophic consequences. Which of the following phenomena may be caused by loops
- A. use on the deviceDISPLAY INTERFA, CEcommand to view interface statistics, it is found that the interface receives a large number of
- B. CPUOccupancy exceeds70%
- C. pass throughPINGSerious packet loss during network test with command
- D. The device cannot log in remotely
Answer: A,B,C,D
Explanation:
broadcast message
NEW QUESTION 103
After configuring the VLAN-based MAC address drift detection function, if the MAC address drifts, you can configure the actions of the interface according to your needs.
Which of the following is not a configurable action?
- A. Interface blocking
- B. MAC address blocking
- C. Flow filtering
- D. Send alert
Answer: C
NEW QUESTION 104
A router LSA is shown in the figure. Which of the following statement is wrong?
- A. The router has established adjacency
- B. This router supports the import of external routes
- C. The Router ID of this router is 10.0.12.1
- D. This router is DR
Answer: D
NEW QUESTION 105
Which packets can Huawei devices perform traffic suppression for? (Multiple choice)
- A. Unknown unicast
- B. Multicast
- C. Known unicast
- D. Broadcast
Answer: A,B,C,D
NEW QUESTION 106
When deploying MPLS/BGP IP VPN, regarding the use of BGP to exchange routing information between PE-CE, which of the following description is wrong?
- A. In the Hub&Spoke scenario, when Hub-CE and Hub-PE use IGP, Spoke-PE and Spoke-CE cannot enable EBGP
- B. When BGP is used to exchange routing information between PE and CE, there is no need to import BGP private network routes on PE
- C. In the case of CE multi-homing, enabling the BGP AS number replacement function may cause routing loops, which can be used to prevent routing loops in VPN sites through BGP SoD
- D. When PE and CE use BGP to exchange routing information, if the autonomous systems of two VPN sites use the same private AS number, the AS number replacement function can be used, that is, the received AS number can be replaced with any designated AS number. The AS number in the private network route to prevent the route from being discarded due to repeated AS numbers
Answer: D
NEW QUESTION 107
What is the meaning of ipv6 enable topology ipv6 in IS-IS protocol view?
- A. not supportIPv6ofSPFcalculate
- B. SPFCalculated atIPv4,IPv6in the topology of the
- C. has no meaning
- D. IPv4,IPv6use the same topologySPFcalculate
Answer: B
NEW QUESTION 108
Which of the following is not part of the preliminary preparations for the cutover plan?
- A. Risk assessment
- B. Cutover target
- C. On-site defense
- D. Introduction to the current network
Answer: C
NEW QUESTION 109
What is the purpose of configuring LSP fragmentation for IS-IS equipment?
- A. No practical purpose
- B. Allow the device to support more IS-IS routing entries
- C. Make the device unable to learn IS-IS routing information
- D. Make the device unable to establish IS-IS neighbors
Answer: B
NEW QUESTION 110
Network administrator A wants to use AS-Path Filter to match the BGP routing attribute AS_PATH[100200300]. Network administrator A sorts out the four configurations in the figure. Which of the following configurations can meet the requirements of network administrator A?
- A. way B
- B. way A
- C. way D
- D. WayC
Answer: A,B
NEW QUESTION 111
Which of the following statements about the MP_REACH_NLRI attribute of BGP4+ is correct? (Multiple choice)
- A. The NLRI field carries IPv6 routing prefix and mask information
- B. The value of AFI (address family) is 2, which represents IPv6
- C. When the length of the next hop address is 16, the Network Address of Next Hop carries the link local address
- D. The length of the next hop address can be 16 or 3
Answer: A,B,D
NEW QUESTION 112
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