Latest [Jan 31, 2022] Huawei H12-221-ENU Real Exam Dumps PDF
H12-221-ENU Practice Test Questions Updated 597 Questions
NEW QUESTION 165
Under the VRP platform, which of the following description about the default priorities for each protocol is correct?
- A. The priority of static route is 60.
- B. The priority of OSPF route is 110.
- C. The priority of BGP route is 20
- D. The priority of the RIP route is 120.
Answer: A
NEW QUESTION 166
Since the AS-PATH attribute cannot be function within the AS, it is specified that the BGP router will not advertise any updates from the IBGP peer to its IBGP peers.
- A. True
- B. False
Answer: A
NEW QUESTION 167
The following is part of the configuration information of the router Huawei. The description about the configuration information which is wrong?
<Huawei> system-view
【 Huawei 】 ip as-path-filter 2 permit_200_300
【 Huawei 】 route-policy test permit node 10
【 Huawei-route-policy 】 if-match as-path-filter 2
- A. Define a Route-Policy named test with a serial number of 10.
- B. The Route-Policy can only be called in the OSPF process.
- C. Set the AS path filter with sequence number 2 to allow the routing information include AS200 and AS300.
- D. Node 10 of the Route-Policy references AS path filter 2 and defines an if-match clause.
Answer: B
NEW QUESTION 168
The ACL command acl[number]acl-number[match-order(auto|config}], where acl-numbar is used to specify the number of the access control list. The value of the acl-number of the user-defined ACL is?
- A. 4000~4999
- B. 5000~5999
- C. 3000~3999
- D. 1000~3999
Answer: B
NEW QUESTION 169
About the description of connection type of Router-LSA, which is wrong?
- A. P2MP describes the connection from a local router to multiple neighboring routers.
- B. Point-to-Point describes a point-to-point connection from this router to a neighboring router.
- C. TransNet describes the connection from this router to a Transit network segment.
- D. StubNet describes a connection from this router to a Stub network segment.
Answer: A
NEW QUESTION 170
The authentication modes supported by the AR2200 are classified according to the encryption algorithm: no authentication, simple plain text verification, and MD5 authentication.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 171
Which of the following belong to BGP-recognized community attribute values? (Multiple choice)
- A. Internet
- B. NO_ADVIERTISE
- C. NO_EXPORT
- D. Advertise
Answer: A,B,C
NEW QUESTION 172
Which of the following options meets the following ACL conditions?
- A. 10.1.0.0/16
- B. 10.1.1.0/24
- C. 10.1.1.1/32
- D. 10.0.0.0/8
Answer: A
NEW QUESTION 173
The peer command can be used to manually specify neighbors on a NBMA network of OSPF.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 174
BGP protocol packets are sent periodically.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 175
Routing tools that are not only used for BGP routing protocols are: (Multiple choice)
- A. community-filter
- B. IP-Prefix
- C. route-policy
- D. as-path-filter
Answer: B,C
NEW QUESTION 176
Which of the following routing protocols support the release of default routes through command configuration? (Multiple choice)
- A. Static
- B. OsPF
- C. BGP
- D. RIPV2
Answer: B,C,D
NEW QUESTION 177
Which of the following description about the special area of OSPF is wrong?
- A. The difference between the Totally Stub area and the NSSA area is that the area does not allow inter-domain routing.
- B. Stub Area and Totally Stub area is that this area allows inter-domain routing.
- C. The difference between the NSSA Area and the Stub area lies in that this area allows the introduction of external routes to the AS. The ABR advertises the LSA7 to advertise this area to the local area.
- D. The role of the Totally Stub Area is to allow the LSA3 default route advertised by the ABR, which does not allow AS external routes and inter-area routes. The difference between
Answer: C
NEW QUESTION 178
Policy-based-route does not support which of the following policies is used to specify the packet forwarding path:
- A. Packet length
- B. Source address
- C. Destination address
- D. Source MAC
Answer: D
NEW QUESTION 179
What command can trigger the outgoing BGP route advertisement without interrupting the BGP connection?
- A. refresh bgp all external
- B. reset bgp
- C. refresh bgp all internal
- D. rr-filter
Answer: A
NEW QUESTION 180
The following is part of the configuration information of the router Huawei, which description about the configuration information is incorrect?
<Huawei> sysrem-view
[Huawei] ip as-path-filter 2 permit _200_300
[Huawei] route-policy test permit node 10
[Huawei-route-policy] if-match as-path-felter 2
- A. The Route-Policy can only be called in the OSPF process.
- B. Define a Route-Policy named test with a serial number of 10
- C. Set the AS path filter number 2 to allow the router information to include AS200 and AS300.
- D. Node 10 of the Route-Policy references AS path filter 2 and defines an if-match clause.
Answer: A
NEW QUESTION 181
A network scale is relatively large. Some switches run MSTP, and the other switches run RSTP. When the MSTP-enabled switch detects that the neighboring switch is running in RSTP mode, what mode does the MSTP switch work in?
- A. MSTP mode
- B. Unable to determine
- C. STP mode
- D. RSTP mode
Answer: A
NEW QUESTION 182
IGP routing can only be a BGP route through the networki command.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 183
Which of the following descriptions are true about the OSPF protocol? (Multiple Choice)
- A. AS-External-LSA describes the path from the router to the ASBR.
- B. AS-External-LSA does not belong to any area
- C. The AS-External-LSA describes the path to the external route of the AS. The scope of the flooding is outside the AS.
- D. The cost of the external route of the second type is only the external cost of the AS. Ignore the internal cost of the AS.
Answer: B,D
NEW QUESTION 184
In order to provide different services to different users or services, users or services can be finely divided according to the information of the packets (such as packet priority, source IP, destination IP, port number, etc.) so for the alleged partitioning function, the QoS technology we usually use is:
- A. Congestion avoidance
- B. Complex flow classification
- C. Congestion management
- D. Traffic policing
Answer: B
NEW QUESTION 185
Which of the following is not the basic network type defined by OSPF?
- A. Virtual Link
- B. P2MP
- C. NBMA
- D. Broadcast
Answer: A
NEW QUESTION 186
In the BGP configuration command, what is the role of "peer ignore"?
- A. Retain all configurations of the peer, stop establishing a connection with the peer, and clear all related routing information.
- B. Keep all the configurations of the peer, keep the connection with the peer, and do not receive the route sent by the peer.
- C. Retain all configurations of the peer, stop establishing a connection with the peer, and retain all relevant routing information.
- D. Delete the Peer
Answer: A
NEW QUESTION 187
Which of the following is wrong about multicasting? (Multiple choices)
- A. Multicast technology is used in most "single-to-multiple" data distribution applications.
- B. Because multicast technology is based on TCP, multicast technology can ensure the reliable transmission of packets.
- C. Multicast technology can reduce redundant traffic and save network bandwidth.
- D. The unicast technology and broadcast technology can't solve the problem of single send and multi-point receive. Only multicast technology can solve it.
Answer: B,D
NEW QUESTION 188
Which of the following descriptions is correct about BGP MED? (Multiple choice)
- A. In the BGP routing rules, the priority of the MED is lower than AS-Path, Preferred-Value, Local-Preference and Origin.
- B. By default, if there is no MED value in the route attribute, press 0 to process. If the bestroute med-none-as-maximux command is configured, the MED is processed as the maximum value of 4294967295.
- C. The default value of BGP route MED is 0.
- D. By default, BGP routing rules can perform MED comparisons on routers from different autonomous systems.
Answer: A,B,C
NEW QUESTION 189
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