2024年01月11日合格確定ガイド準備H12-891_V1.0試験知能問題集 [Q328-Q351]

2024年01月11日合格確定ガイド準備H12-891_V1.0試験知能問題集

無料最新Huawei Certified ICT Expert H12-891_V1.0リアル試験問題と回答2024年更新

質問 # 328
What information does the BGP Open message carry as follows?

A. Local Autonomous System (AS) number
B. Route attributes
C. BGP Router ID
D. Hold time

正解：A、C、D

質問 # 329
The value of OSPF and BFD linkage is ? Radio

A. Does not affect OSPF neighbor status
B. OSPF's hello send interval is seconds, which is faster than BFD inductive link state
C. BFD packet transmission interval can reach the 100-second level, which is slower than the OSPF induction link state
D. Any change in BFD status is realized by detecting the BFD at the millisecond level, which correlates the OSPF state and realizes the purpose of OSPF rapid sensing link state

正解：D

質問 # 330
The data results of a router are as follows, and the analysis conclusion is correct (single choice).

A. The R3 router's Eth0/0/1 enables both IPv4 and IPv6 ISIS
B. The GEO/0/0 port of the R3 is in a different region than the neighbor
C. R3 routers Circuit-level is Level-1-2
D. R3 is on the link where Eth0/0/0 is Eth0/ 1 of the LEVEL-1 and Level-2 DISC

正解：C

質問 # 331
Is the following correct statement for the VXLAN message?

A. VNI has 24 T bits to distinguish the VIAN segment
B. The outer destination IP address is the IP address of the VTEP at the far end of the VXLAN tunnel
C. The source UDP port number is 4789
D. The destination UDP port number is 4789

正解：A、B、D

質問 # 332
SSH uses asymmetric encryption algorithms AES and DES to achieve security for data transmission, and uses HMAC to ensure the complete integrity of integer data

A. TRUE
B. FALSE

正解：A

質問 # 333
Which field in the IPv6 basic header has a similar effect to which field in the IPv4 header does?

A. Ldentification
B. Protocol
C. Flags
D. Time to Live

正解：D

質問 # 334
Which of the following statement about isis protocol route aggregation is correct?

A. Route aggregation can only be configured on Leve-1-2 routers to take effect with
B. Route aggregation can only take effect if configured on Leve-1 port routers
C. Route aggregation can be configured and takes effect on all types of routers
D. Route aggregation can only be configured on Leve-2 routers to take effect

正解：C

質問 # 335
When there are multiple rule rules for ACLs in VRP, which of the following statements is true regarding the order of matching? Single choice questions).

A. By default, matching occurs in the order in which the permit is matched first and denim later.
B. By default, matching is made from smallest to largest according to the Rule-ID.
C. By default, matching is based on the principle of "depth first"
D. There is only one matching order and cannot be modified.

正解：B

質問 # 336
As shown in the figure,

RI, R2 establishes an EBGP neighbor and turns on the BFD detection function, the following statement is correct

A. R1 Detection time for BFD packets The detection time for BFD packets for 660ms
B. Detection time for BFD packets for AR2 800ms
C. R1 Detection time for BFD packets for 1280ms
D. R2 is 600ms

正解：A

質問 # 337
Two routers connected through a firewall cannot establish a BGP neighbor relationship. What causes it?

A. EBGP Multi-hop is not configured
B. The firewall did not release IP protocol number 89
C. BGP neighbors must form a Layer 2 adjacency
D. Firewalls that do not have an open UDP port number of 179

正解：D

質問 # 338
Which of the following DNS resource records are legitimate?

A. MX
B. A
C. NS
D. PTR
E. FQDN

正解：A、B、C、D

質問 # 339
Compared to IPV4 multicast, which of the following descriptions is the characteristic of IP6 multicast?

A. IPv6 multicast clients use IGMPv3 to join multicast groups
B. IPv6 multicast load sharing extends the multicast routing rules and is completely independent of RPF check
C. The first 8bit IPV6 multicast address is always FF(11111111).
D. IPv6 multicast does not contain MSDP and dense mode

正解：C

質問 # 340
The switch SWA and SWB are connected together by 2 Ethernet links, where the switch SWA has the following interface configuration:

A. Without changing the current configuration, GigabitEthernet1/0/1 and GigabitEthernet1/0/2 can join the same aggregation group
B. After link clustering is configured on both SWA and SWB, if MSTP is enabled on the switches SWA and SWB Both GigabitEthernetl1/0/1 and GigabitEthernetl/O/2 are the forwarding status of MSTP
C. Only if the configuration of GigabitEthernet 1/0/2 is changed to match GigabitEthernet 1/0/1 can the two join the same aggregation group
D. Because of the different VLANs allowed, GigabitEthernet1/0/1 and GigabitEthernet1/0/2 cannot join the same aggregation group

正解：C、D

質問 # 341
The following description of VLANs in Ethernet is correct?

A. The default reserved VLANs for Huawei devices are 4000~4010
B. VLANs can be extended through QinQ technology.
C. VLANs do not support bulk creation on devices
D. The range of VLANs is 0 to 4096

正解：B

質問 # 342
As shown in the figure, R1, R2, and R3 run OSPP at the same time and declare their respective ring ports, as described below is the error.

A. RI can make Efilter-policy import filter the loopback route for R3
B. R2, you can use the filter po y export command to filter R3's loopback route
C. R2 you can make Efilter in Area 0 The import command to filter the loopback route for R3 on
D. RI, you can use the Make Efilter export command in Area 1 to filter loopback routes for R3

正解：B

質問 # 343
If a router only needs to forward iPv6 packets, you do not need to configure any IPV4 agreements and addresses on that router.

A. False
B. True

正解：B

質問 # 344
In an MPLS IBGP VPN environment, if tags are distributed only through BGP, LDP, the MPLS tags for a message can be up to two layers of tags.

A. False
B. True

正解：B

質問 # 345
Which of the following tools cannot be referenced directly by the If-match clause in Route-policy?

A. IP-prefix
B. Regular expression
C. Community-filt
D. AS-path-filter

正解：B

質問 # 346
The following description of the CHAP authentication function in the PPP protocol is correct?( Multiple choice questions).

A. is calculated using the MD5 algorithm Three message interactions are required for authentication, and only the user name is transmitted on the network without the password
B. can also be configured without the authenticated party interface Using the authentication sequence ID, random number, and key, a Hash value
C. If the authenticator does not have a username configured, password
D. The user name must be configured under the authenticated party interface for CHAP authentication

正解：A、B、D

質問 # 347
The message types of ISIS mainly include SNP, IIH, and LSP

A. False
B. True

正解：B

質問 # 348
What are the characteristics of Syslog information?

A. The transmission of Syslog messages is not acknowledgable
B. The transmission of Syslog messages is confirmable
C. The transmission of Syslog messages is unreliable
D. The transmission of Sysiog messages is reliable
E. The transmission of Syslog messages is secure
F. The transmission of Syslog messages is not secure

正解：A、C、F

質問 # 349
Regarding the sliding window of TCP, what are the following descriptions that are enough to be wrong? ( Multiple choice question)

A. The sender does not need to transmit messages of full window size
B. The TCP sliding window allows multiple packets to be sent before an acknowledgment is received
C. The sender declares the initial window size
D. Sliding window size can only be increased or remain unchanged
E. After the retransmission timer times out, the sender has not received an acknowledgment and will retransmit unacknowledged data
F. The receiver needs to acknowledge the sender's packet

正解：C、D

質問 # 350
When deploying BGP/MPLS IPVPN, OSPF's VPN route tag is not present
The extended properties of MP-BGP are passed only locally, only locally, and only meaningful on routers that receive MP-BGP routes and generate OSPF LSAs.