Hohe Qualität von H12-821_V1.0 Prüfung und Antworten

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Huawei H12-821_V1.0 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: IPv6	3%	- IPv6 addressing and routing
Topic 2: Network Service and Management	2%	- Network management basics
Topic 3: Large-scale WLAN Architecture	6%	- Enterprise WLAN deployment basics
Topic 4: Network Security	9%	- ACL and basic security mechanisms
Topic 5: Network Solution	2%	- Integrated network design scenarios
Topic 6: Switching Technologies	7%	- VLAN and STP fundamentals
Topic 7: Routing Fundamentals	3%	- Network basics and routing principles
Topic 8: IS-IS	8%	- IS-IS protocol fundamentals
Topic 9: Network Reliability	8%	- Redundancy and failover mechanisms
Topic 10: OSPF	16%	- OSPF areas and LSDB - OSPF core concepts
Topic 11: Routing and Traffic Control	10%	- Traffic engineering basics - Policy-based routing
Topic 12: Multicast	9%	- IGMP and PIM concepts
Topic 13: BGP	17%	- BGP policy and attributes - BGP path selection

>> H12-821_V1.0 Fragen Beantworten <<

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Huawei HCIP-Datacom-Core Technology V1.0 H12-821_V1.0 Prüfungsfragen mit Lösungen (Q250-Q255):

250. Frage
As shown in the picture, there are the following configurations under BGP.
[HUAWEI-bgp] timer keepalive 30 hold 90
[HUAWEI-bgp] peer 1.1.2 timer keepalive 10 hold 30
Which of the following descriptions is wrong? (Multiple choice)

A. The timer takes the minimum value, so the final result is that the timer value of peer 1.1.1.2 takes keepalive10 hold 30
B. Peer configuration takes priority, so the final result is that the timer value of peer 1.1.1.2 takes keepalive 10 hold 30
C. The default configuration is timer Keepalive 60 hold180, so pee r1.1.12 has a faster speed of detecting Peer connection failure than the default value
D. The global configuration takes precedence, so the final result is that the timer value of peer 1.1.1.2 takes keepalive 30 hold 90

Antwort: A,D

251. Frage
Which of the following statements are true about theLocal_Prefattribute in BGP? (Choose all that apply)

A. The default Local_Pref value is 0.
B. The greater the value of the Local_Pref attribute, the higher the priority.
C. The Local_Pref attribute can be transmitted to all BGP peers.
D. The Local_Pref value remains unchanged during transmission unless it is affected by a routing policy.

Antwort: B,D

Begründung:
A is false- Thedefault value of Local_Pref is 100, not 0.
B is false-Local_Pref is not advertised to EBGP peers, it is only sent toIBGP peers.
C is correct- TheLocal_Pref value stays constantunless modified by a route-policy or filter.
D is correct-Higher Local_Pref values indicate preferred paths, so BGP prefers the path with the highest Local_Pref among multiple options.
Reference from Huawei HCIP-Datacom-Core Technology Study Guide:
"Local_Pref is used to select the best outbound path for traffic leaving the AS. It is only shared among IBGP peers and defaults to 100. The higher the value, the more preferred the route." (Chapter: BGP Path Attributes - Section: Local Preference)

252. Frage
Which of the following descriptions about the VRRP Backup device are correct? (Multiple choice)

A. Backup will respond to IP packets whose destination IP address is the virtual IP address.
B. Backup will discard IP packets whose destination MAC address is the virtual MAC address.
C. When receiving a VRRP message with priority 0, Backup waits for Skew_time and then directly switches to Master.
D. When Backup receives the VRRP message sent by Master, it can determine whether the status of Master is normal.

Antwort: B,C,D

253. Frage
Which of the following descriptions of routing policies and policy routing are correct? (Multiple choice)

A. Policy routing mainly controls the forwarding of packets, that is, packets can be forwarded without following the routing table.
B. Routing policies mainly control the introduction, publishing and reception of routing information.
C. Policy routing mainly controls the introduction, publication and reception of routing information.
D. Routing policies mainly control the forwarding of packets, that is, packets may be forwarded without following the routing table.

Antwort: A,B

254. Frage
As shown in the figure below, the firewall receives a message from PC1 to PC2, which of the following statements is correct?

A. The message will match the security policy rule 1
B. The message will match the new security policy rule2, and the firewall will forward the message
C. The packet cannot match the security policies rule1 and rule2, it will match the default policy of the firewall, and the firewall will forward the packet
D. The default security policy of the firewall is match all, and the action is Deny

Antwort: B

255. Frage
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