HCIP-Datacom-Core Technology V1.0 H12-821_V1.0 Real Questions

1. H12-821_V1.0 Free Questions H12-821_V1.0 Free Questions HCIP-Datacom-Core Technology V1.0 HCIP-Datacom-Core Technology V1.0 https://www.passquestion.com/ https://www.passquestion.com/H12-821_V1.0 H12-821_V1.0.html .html

2. Question 1 Question 1 Which protocol modules can BFD detection be linked to? (Multiple choice) Which protocol modules can BFD detection be linked to? (Multiple choice) A. OSPF A. OSPF B. VRRP B. VRRP C. BGP C. BGP D. Static routing D. Static routing Answer: ABCD Answer: ABCD

3. Question 2 Question 2 Regarding the description of VRRP load sharing, which one is correct? (Multiple choice) Regarding the description of VRRP load sharing, which one is correct? (Multiple choice) A. Load sharing method refers to the establishment of two or more backup groups, and multiple A. Load sharing method refers to the establishment of two or more backup groups, and multiple routers carry services at the same time routers carry services at the same time B. When configuring priorities, the VRRP masters of the three virtual routers can be on different B. When configuring priorities, the VRRP masters of the three virtual routers can be on different routers routers C. Multiple virtual routers can be created on one interface of the router, so that the router can be C. Multiple virtual routers can be created on one interface of the router, so that the router can be used as a master router in one virtual router, and at the same time as a backup router in other virtual used as a master router in one virtual router, and at the same time as a backup router in other virtual routers. routers. D. The load sharing method means that multiple routers undertake services at the same time, so the D. The load sharing method means that multiple routers undertake services at the same time, so the load sharing method requires two or more virtual routers load sharing method requires two or more virtual routers Answer: AB Answer: AB

4. Question 3 Question 3 Which of the following descriptions about Network-Summary-LSA is correct? (Multiple choice) Which of the following descriptions about Network-Summary-LSA is correct? (Multiple choice) A. The Metric in Network-Summary-LSA is set to the cost value from the ABR to the destination A. The Metric in Network-Summary-LSA is set to the cost value from the ABR to the destination network segment network segment B. The Net mask in Network-Summary-LSA is set to the net mask of the destination network B. The Net mask in Network-Summary-LSA is set to the net mask of the destination network segment segment C. Network-Summary-LSA is generated by ASBR C. Network-Summary-LSA is generated by ASBR D. The Link State ID in the Network-Summary-LSA is set to the IP address of the destination D. The Link State ID in the Network-Summary-LSA is set to the IP address of the destination network network Answer: ABD Answer: ABD

5. Question 4 Question 4 Which of the following descriptions of the OSPF protocol are correct? (Multiple choice) Which of the following descriptions of the OSPF protocol are correct? (Multiple choice) A. The cost value of the second type of external route is only the AS external cost value, and the AS A. The cost value of the second type of external route is only the AS external cost value, and the AS internal cost value is ignored internal cost value is ignored B. AS-External-LSA does not belong to any area B. AS-External-LSA does not belong to any area C. AS-External-LSA describes the flooding scope of the route to the AS external route is outside the C. AS-External-LSA describes the flooding scope of the route to the AS external route is outside the AS AS D. AS-External-LSA describes the path from the router to the ASBR D. AS-External-LSA describes the path from the router to the ASBR Answer: AB Answer: AB

6. Question 5 Question 5 Which types of messages does the BGP protocol support? (Multiple choice) Which types of messages does the BGP protocol support? (Multiple choice) A. Hello A. Hello B. Keepalive B. Keepalive C. Update C. Update D. Open D. Open Answer: BCD Answer: BCD

7. Question 6 Question 6 Which of the following routing protocols support the release of default routes through command Which of the following routing protocols support the release of default routes through command configuration? (Multiple choice) configuration? (Multiple choice) A. BGP A. BGP B. IGMP B. IGMP C. ISIS C. ISIS D. OSPF D. OSPF Answer: ACD Answer: ACD

8. Question 7 Question 7 How does IGMPv2 router maintain the network segment group membership? How does IGMPv2 router maintain the network segment group membership? (Multiple choice) (Multiple choice) A. The router maintains a timeout timer for each group membership, refreshes A. The router maintains a timeout timer for each group membership, refreshes the timer if it receives the receiver host, and deletes the group membership if the the timer if it receives the receiver host, and deletes the group membership if the timer expires timer expires B. After receiving the eave message, the router immediately deletes the group B. After receiving the eave message, the router immediately deletes the group membership membership C. The router periodically sends Query messages, and the receiver host reports a C. The router periodically sends Query messages, and the receiver host reports a Repeat message after receiving the Query message Repeat message after receiving the Query message D. The router will query a specific group D. The router will query a specific group Answer: ACD Answer: ACD

9. Question 8 Question 8 Which of the following BGP attributes are not required to be included in the Update message of Which of the following BGP attributes are not required to be included in the Update message of BGP routing? (Multiple choice) BGP routing? (Multiple choice) A. Origin A. Origin B. AS_PATH B. AS_PATH C. Local-Preference C. Local-Preference D. MED D. MED Answer: CD Answer: CD

10. Question 9 Question 9 The route is injected into BGP through the network command. Which of the following description is The route is injected into BGP through the network command. Which of the following description is wrong? (Multiple choice) wrong? (Multiple choice) A. Just match the prefix, the length of the mask does not need to be strictly matched A. Just match the prefix, the length of the mask does not need to be strictly matched B. The length of the mask must match exactly B. The length of the mask must match exactly C. The route cannot be an IGP route, it can only be a direct route C. The route cannot be an IGP route, it can only be a direct route D. The route must exist in the IP routing table and is the best route D. The route must exist in the IP routing table and is the best route Answer: AC Answer: AC

11. Question 10 Question 10 What are the traffic statistics methods? (Multiple choice) What are the traffic statistics methods? (Multiple choice) A. Netstream A. Netstream B. SNMP B. SNMP C. Port mirroring C. Port mirroring D. IP packet count D. IP packet count Answer: ABCD Answer: ABCD