[Jan 20, 2022] Reliable H31-124_v2.0 Exam Tips Test Pdf Exam Material
New 2022 H31-124_v2.0 Test Tutorial (Updated 60 Questions)
NEW QUESTION 35
Assuming that a router which only supports IP Precedence receives a packet marked with DSCP, which of the following statements is correct?
- A. All 8 bits of TOS are set to zero.
- B. The first three bits of DSCP are mapped into three bits of IP Precedence.
- C. Eight levels of AF in DSCP are mapped into eight levels of IP Precedence.
- D. The last three bits of DSCP are set to 101.
Answer: C
NEW QUESTION 36
Which of the following statements is correct regarding virtual router?
- A. If multiple routers are configured with the same virtual IP address, they all associate to the same virtual router.
- B. If multiple routers associate to the same virtual router, they must be configured with the same virtual router ID and at feast one virtual IP address.
- C. If multiple routers are configured with the same virtual router ID.they all associate to the same virtual router.
- D. If multiple routers associate to the same virtual router, they must be configured with the same virtual router ID and virtual IP address.
Answer: C
NEW QUESTION 37
The IGMP snooping configuration is as follows:
#
vlan batch 3
#
igmp-snooping enable
#
vlan 3
igmp-snooping enable
#
interface GigabitEthernet1/0/1
port hybrid tagged vlan 3
I2-multicast static-group group-address 225.1.1.1 to 225.1.1.3 vlan 3
#
interface GigabitEthernet3/0/1
port hybrid tagged vlan 3
igmp-snooplng static-router-port vlan 3
Which of the following statements are correct?
- A. The device connected to GE 3/0/1 Is a multicast router.
- B. The device connected to GE 1/0/1 can receive multicast traffic only for the multicast groups 225.1.1.1 to 225.1.1.3. because static multicast groups are configured on GE 1/0/1.
- C. IGMP snooping has been enabled on the switch.
- D. The device connected to GE 1/0/1 can send Report messages to receive multicast data 'or multicast groups outside the 225.1.1.1 to 225.1-1.3 range.
Answer: D
NEW QUESTION 38
Which of the following are necessary for ISIS to support MPLS TE?
- A. Configuring wide-metric support in ISIS view.
- B. Use command "traffic-eng" to enable ISIS-TE in IS-IS view.
- C. Use command "mpls-te enable" to enable MPLS TE in ISIS view.
- D. Use command "opaque-capability enable" to enable opaque capability in ISIS view.
Answer: A,B
NEW QUESTION 39
Which of the following statements is correct regarding Hellolnterval in OSPF?
- A. Hellolnterval is 30 seconds for P2P and P2MP network by default.
- B. Hellolnterval is 10 seconds for NBMA and broadcast network by default.
- C. Hellolnterval can be modified by administraor.The smaller the value, the faster (he topology change discovery.
- D. The range of Hellolnterval is from 0 to 65535.
Answer: D
NEW QUESTION 40
Which of the following is not a feature of Segment Routing?
- A. By extending existing protocols (such as IGP), the existing network can be smoothly evolved.
- B. In addition, the centralized control mode of the controller and the distribution control mode of the forwarder are supported, and the balance between centralized control and distributed control is provided.
- C. Uses the source routing technology to provide fast interaction between the network and upper-layer applications.
- D. Segment Routing is a connection-oriented technology that maintains the connection status.
Answer: B
NEW QUESTION 41
Which of the following statements is correct regarding Hellolnterval in OSPF?
- A. Hellolnterval is 30 seconds for P2P and P2MP network by default.
- B. The range of Hellolnterval is from 0 to 65535.
- C. Hellolnterval can be modified by administraor.The smaller the value, the faster (he topology change discovery.
- D. Hellolnterval is 10 seconds for NBMA and broadcast network by default.
Answer: C
NEW QUESTION 42
Which of the following are the features of Huawei IPRAN solution?
- A. Supports Layer 3 networking and smooth evolution to LTE, protecting customers' investment.
- B. Oriented to FMC and Adapted to Future Development Requirements.
- C. Based on a unified router platform and a unified VRP platform, IP RAN is compatible with PTN products.
- D. One network, one set of O&M, full service bearing, lowest network construction cost and O&M cost; Visualized O&M, Reducing O&M Costs and Simple and Efficient.
Answer: A,B,C,D
NEW QUESTION 43
Which of the following statements regarding the description of LDP is incorrect?
- A. In MPLS, LDP is used to implement label distribution, label control and label retention.
- B. Between two LSRs that run LDP, the LDP session is established and Label/FEC mapping information is exchanged.
- C. The UDP and TCP port number for LDP is 64.
- D. The two routers between which LDP session is established are called LDP Peer.
Answer: A,B,D
NEW QUESTION 44
Which of the following statements regarding Attachment Bit are correct?
- A. The Attachment Bit is carried In Level-1 LSP generated by Level-1-2 router connected to another area.
- B. The Attachment Bit can be generated in Level-2 LSP.
- C. The Attachment Bit can be generated by the Level-2 or Level-1-2 router.
- D. After the Level! router receives Level-1 LSP with Attachment bit set to 1, it will generates default route with the nearest Level-1-2 router as the next hop.
Answer: D
NEW QUESTION 45
Assuming that a router which only supports IP Precedence receives a packet marked with DSCP, which of the following statements is correct?
- A. All 8 bits of TOS are set to zero.
- B. Eight levels of AF in DSCP are mapped into eight levels of IP Precedence.
- C. The last three bits of DSCP are set to 101.
- D. The first three bits of DSCP are mapped into three bits of IP Precedence.
Answer: D
NEW QUESTION 46
The OF election mechanism avoids network resource waste caused by repeated traffic received by CE1 from two PEs. Which of the following NIRI Is used to implement this feature?
- A. Inclusive Multicast Route
- B. MAC advertisement route
- C. Ethernet Segment Route
- D. Ethernet Auto-Discovery route
Answer: D
NEW QUESTION 47
After the server receives the PADR sent by the client, which message will be sent as the response and to identify the connection?
- A. PADO
- B. PADT
- C. PADS
- D. PADR
Answer: C
NEW QUESTION 48
The IGMP snooping configuration is as follows:
#
vlan batch 3
#
igmp-snooping enable
#
vlan 3
igmp-snooping enable
#
interface GigabitEthernet1/0/1
port hybrid tagged vlan 3
I2-multicast static-group group-address 225.1.1.1 to 225.1.1.3 vlan 3
#
interface GigabitEthernet3/0/1
port hybrid tagged vlan 3
igmp-snooplng static-router-port vlan 3
Which of the following statements are correct?
- A. The device connected to GE 1/0/1 can receive multicast traffic only for the multicast groups 225.1.1.1 to
225.1.1.3. because static multicast groups are configured on GE 1/0/1. - B. The device connected to GE 3/0/1 Is a multicast router.
- C. IGMP snooping has been enabled on the switch.
- D. The device connected to GE 1/0/1 can send Report messages to receive multicast data 'or multicast groups outside the 225.1.1.1 to 225.1-1.3 range.
Answer: D
NEW QUESTION 49
Which of the following MPLS TE components is used to set up tunnel?
- A. Path calculation
- B. Signaling
- C. Information distribution
- D. Packet forwarding
Answer: B
NEW QUESTION 50
Which of the following functions could be achieved by the LCP of PPP?
- A. IP address negotiation
- B. To establish, maintain and terminate the point-to-point connection
- C. To maintain multiple physical links
- D. IPX address negotiation
Answer: B
NEW QUESTION 51
Compared with VPLS, what are the characteristics of EVPN?
- A. By using the EVPN technology, PB on the carrier's backbone network do not need to establish full connections, which greatly reduces the network complexity and reduces the number of signaling messages.
- B. The PE learns the local and remote MAC addresses and their IP addresses through ARP and MAC address advertisement routes, and caches the information locally to prevent ARP request packets from being broadcast to other PEs and reduce network resource consumption.
- C. EVPN enables a device to implement load balancing among multiple EVPN routes with the same destination MAC address but different next hops when managing MAC addresses.
- D. EVPN needs to be configured to be in full connection state on all PEs on the carrier's backbone network. That is, PWs must be set up between any two PEs.
Answer: C
NEW QUESTION 52
Which of the following statements regarding IP address 224.0.0.1 are correct?
- A. It is a private IP address.
- B. It represents all the hosts and routers.
- C. It is a multicast IP address.
- D. It represents all the routers.
Answer: B,C
NEW QUESTION 53
Which of the following multicast IP addresses is administratively scope address?
- A. 239.0.0.0~239.0.0.255
- B. 224.0.0.0~224.0.0.255
- C. 239.0.0.0~239.255.255.255
- D. 224.0.1.0~238.255.255.255
Answer: C
NEW QUESTION 54
Which of the following access modes can be used by leaf nodes in a data center?
- A. ToR Stack Deployment
- B. Single-node system deployment
- C. Deploying the M-Lag on the ToR
- D. ToR Deploying an SVF System
Answer: C
NEW QUESTION 55
LDP uses Initialization message to negotiate LDP parameters with the peer.
- A. True
- B. False
Answer: A
NEW QUESTION 56
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