[Oct 09, 2021] H31-124_v2.0 Ultimate Study Guide - Free4Dump
Ultimate Guide to Prepare H31-124_v2.0 Certification Exam for HCIP-Carrier IP in 2021
NEW QUESTION 33
Which of the following statements are correct?
- A. VPN FRR implements quick traffic switchovers if a PE becomes faulty.
- B. TE FRR Implements quick traffic switchovers if a PE becomes faulty.
- C. Both TE FRR and VPN FRR are used to protect tunnels, and therefore they can replace each other.
- D. After VPN FRR is deployed, the end-to-end service convergence time is shorter than 1 second.
Answer: A,D
NEW QUESTION 34
Which of the following are the functions of route redistribution?
- A. Import routes from RIP into OSPF
- B. Share routing information found by different routing protocols
- C. Import static route into dynamic routing protocols
- D. Eliminate route loops
Answer: A,B,C
NEW QUESTION 35
Which of the following operations need to be complete before IP FRR configuration?
- A. Configure a dynamic routing protocol on the entire network to Implement IP connectivity between nodes.
- B. Configure different costs to generate two routes with different costs.
- C. Configure the same cost to generate two equal-cost routes.
- D. Configure static routes or an IGP to implement IP connectivity between nodes.
Answer: A
NEW QUESTION 36
Which of the following statements about traffic policy In CBQ configuration are correct?
- A. Traffic policy nesting means one QoS policy contains another QoS policy, the behavior of the parent policy Is a sub-policy.
- B. Traffic policy can be nested infinitely.
- C. The traffic policy applied to some interface can not be deleted.
- D. Traffic policy is used to bind traffic classifier with traffic behavior.
Answer: A,C,D
NEW QUESTION 37
Which of the following statements regarding multicast MAC address is correct?
- A. Multicast MAC address is composed of 23 bits.
- B. The range of multicast MAC address is assigned by IEEE.
- C. The first six hexadecimal value of the multicast Mac address is 0x01005e.
- D. On Ethernet, 28-bits of layer 3 multicast IP address are mapped into the 24-bits of the layer 2 multicast MAC address.
Answer: A
NEW QUESTION 38
Which of the following statements disobey the basic principle of area division?
- A. If the ISP runs OSPF protocol in the whole province network, then one city can be taken as one area.
- B. One network maybe includes high-end, mid-end and low-end routers. Generally, all of these routers will be in same area.
- C. In the network, there are some sub networks such as 110.1.1.0/24,110.1.2.0/24,110.1.3.0/24, 120.1.1.0/24,120.1.2.0/24 ,120.1.3.0/24.Then all the routers belonging to 110 network can be configured in one area.
- D. Make all routers with larger routing-table into one area.
Answer: B,D
NEW QUESTION 39
VXLAN uses MAC in UDP encapsulation to extend Layer 2 networks and encapsulates Ethernet packets on IP packets. When packets are transmitted on a touted network, the intermediate touting device does not need to learn inner MAC addresses.
- A. False
- B. True
Answer: A
NEW QUESTION 40
Which of the following operations need to be complete before IP FRR configuration?
- A. Configure different costs to generate two routes with different costs.
- B. Configure static routes or an IGP to implement IP connectivity between nodes.
- C. Configure the same cost to generate two equal-cost routes.
- D. Configure a dynamic routing protocol on the entire network to Implement IP connectivity between nodes.
Answer: B,C
NEW QUESTION 41
Interface-based ACLs define rules based on inbound interfaces of packets to filter packets. Run the
"traffic-filter command to invoke the ACL.
- A. False
- B. True
Answer: A
NEW QUESTION 42
BGP Is an exterior gateway protocol which runs among ASs. It focuses on routes control and selection of optimal routes rather than discovery and calculation of routes.
- A. False
- B. True
Answer: A
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. The two routers between which LDP session is established are called LDP Peer.
- C. The UDP and TCP port number for LDP is 64.
- D. Between two LSRs that run LDP, the LDP session is established and Label/FEC mapping information is exchanged.
Answer: C
NEW QUESTION 44
Which of the following is not a feature of Segment Routing?
- A. Uses the source routing technology to provide fast interaction between the network and upper-layer applications.
- 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. Segment Routing is a connection-oriented technology that maintains the connection status.
- D. By extending existing protocols (such as IGP), the existing network can be smoothly evolved.
Answer: C
NEW QUESTION 45
When configuring Diff-Serv in QoS, the edge router on Diff-Serv network classify packets according to its source address, destination address or other parameters, assigning different IP precedence for different packets, while other routers classify packets according to IP precedence.
- A. True
- B. False
Answer: A
NEW QUESTION 46
Which of the following cannot be used to classify IP packets?
- A. Protocol type
- B. VIAN Priority
- C. MAC
- D. Packet precedence
- E. Outbound Interface
- F. Port number
Answer: E
NEW QUESTION 47
Which of the following statements about layer 2 LAN switch are incorrect?
- A. LAN switch will modify the data link layer header of the packet and then forward it.
- B. LAN switch operates at data link layer.
- C. LAN switch can learn Mac address automatically.
- D. LAN switch will modify the network layer header of the packet and then forward it.
Answer: C
NEW QUESTION 48
In BGP4+, both the NUU field and next-hop attribute can be expressed with an IPv6 address and prefix.
- A. True
- B. False
Answer: A
NEW QUESTION 49
Which of the statements about BGP UPDATE message are correct?
- A. One UPDATE message can advertise multiple routes at one time, and the path attributes can be different.
- B. BGP uses Update message to implement routing information updating.
- C. One UPDATE message can advertise multiple routes at one time, but the path attributes must be the same.
- D. One UPDATE message can include multiple unreachable routes.
Answer: B,C,D
NEW QUESTION 50
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. IGMP snooping has been enabled on the switch.
- C. 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.
- D. 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.
Answer: C
NEW QUESTION 51
Interface-based ACLs define rules based on inbound interfaces of packets to filter packets. Run the "traffic-filter command to invoke the ACL.
- A. True
- B. False
Answer: A
NEW QUESTION 52
Which of the following access modes can be used by leaf nodes in a data center?
- A. ToR Deploying an SVF System
- B. Deploying the M-Lag on the ToR
- C. Single-node system deployment
- D. ToR Stack Deployment
Answer: A,B,D
NEW QUESTION 53
LDP uses Initialization message to negotiate LDP parameters with the peer.
- A. True
- B. False
Answer: A
NEW QUESTION 54
The VRRP advertfse-lnterval is 2s, preempt mode is enabled, Delay Time is 3s, then which of the following is the Master_Down_Interval time?
- A. 6s
- B. 2s
- C. 9s
- D. 4s
Answer: C
NEW QUESTION 55
Which of the following statements regarding DIS election is correct?
- A. The IS-IS router with the highest priority in the whole broadcast network will be elected as the DIS.
- B. When a DIS fails, the backup DIS will take over.
- C. When the priority is the same, the router with higher IP address will be elected as the DIS.
- D. DIS election is configured manually.
Answer: A
NEW QUESTION 56
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