Huawei H12-821_V1.0-ENU HCIP-Datacom-Core Technology V1.0 Online Training
Huawei H12-821_V1.0-ENU Online Training
The questions for H12-821_V1.0-ENU were last updated at Jan 25,2025.
- Exam Code: H12-821_V1.0-ENU
- Exam Name: HCIP-Datacom-Core Technology V1.0
- Certification Provider: Huawei
- Latest update: Jan 25,2025
Which of the following does not include the advantages of address translation technology?
- A . Address translation allows internal network users (private IP addresses) to easily access the Internet
- B . Address translation can shield users on the internal network and improve the security of the internal network.
- C . Address translation can enable many hosts in the internal office network to share a P address for accessing the Internet.
- D . Address translation can handle the case of IP header encryption
Which of the following does not include the switch role in the stack system?
- A . Main switch
- B . Candidate switch
- C . Slave switch
- D . Standby switch
Which of the following tools is used to filter routing information and set routing attributes for filtered routing information?
- A . route-policy
- B . as-path-filter
- C . policy-based-route
- D . IP-prefix
Regarding the description of the routing tool, which of the following statement is wrong?
- A . route-policy can only match routes and data packets, and cannot be used to modify routing attributes or data packet forwarding behavior
- B . Prefix list (ip-prefix) matching object is the destination address of routing information
- C . The access control list (ACL) is used to match the IP routing information or the address of the data packet
- D . as-path-filter is used to match the AS-PATH attribute in BGP routing information, so it can only be used to filter BGP routes
Which of the following descriptions about setting Community through routing policies to affect routing selection is wrong?
- A . It can be indirectly affected. By setting the Community attribute of the route, the route can be classified, and then set different route selection-related attributes according to the category, such as Local_Pre, MED, etc., to achieve the purpose of affecting route selection
- B . It cannot be affected, because the Community attribute of the route is a non-transitional attribute and cannot be passed between routers
- C . It can be affected indirectly. By setting the Community attribute of the route, the route can be classified, and then different attributes related to route selection can be set according to the category. These attributes only include Loacal_Pre and MED, so as to achieve the purpose of affecting route selection
- D . After the router receives the routing update whose Commmity attribute is No_ Advertise, it will not advertise it outside the local AS.
Regarding the description of the summary automatic command and BGP aggregation, which is wrong?
- A . This command is used to implement automatic aggregation, and its priority is higher than manual aggregation
- B . After configuring this command, BGP will aggregate routes according to natural network segments
- C . This command is used to enable automatic aggregation of locally imported routes
- D . After configuring this command, BGP only sends the aggregated route to the peer
There is a message in the BGP protocol that is periodically sent between BGP neighbors to maintain the neighbor relationship. This message is:
- A . Update
- B . Hello
- C . open
- D . Keepalive
Which BGP route will send BGP neighbors without BGP path load sharing enabled?
- A . All BGP routes learned from all neighbors
- B . Only the best route preferred by BGP
- C . Only routes learned from IBGP
- D . Only routes learned from EBGP
When using authentication in BGP configuration, how should it be configured?
- A . A pair of BGP peers must use the same MD5 password
- B . All routers in the AS must use the same password
- C . All BGP peers on a router must use the same password
- D . All routers in the same AS must use the same password
Which of the following descriptions about the Keepalive message in BGP is wrong?
- A . Keepalive messages are mainly used to maintain the connection between BGP peers
- B . The Keepalive message contains only one BGP data header
- C . By default, the Keepalive interval is 180 seconds
- D . Keepalive messages are periodically sent between two BGP neighbors
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