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Huawei H12-891_V1.0-ENU (HCIE-Datacom V1.0) Exam is a certification exam designed for IT professionals who specialize in data communication. H12-891_V1.0-ENU exam is one of the most sought-after certifications in the industry and is recognized worldwide. Passing H12-891_V1.0-ENU exam demonstrates a high level of expertise in data communication technologies and is a testament to the skills and knowledge of the IT professional who has successfully completed it.
NEW QUESTION # 209
Configure queue-based traffic shaping, which defaults to tailing if the queue length exceeds the cache size
- A. True
- B. False
Answer: A
NEW QUESTION # 210
In a multicast network, what causes multicast traffic to not forward properly?
- A. PIM is not enabled on the RPF interface
- B. Multi-router egress network, this router is not DR
- C. The router does not have an RPF route
- D. The upstream router will receive the PIM Join message dropped
Answer: A,C,D
NEW QUESTION # 211
The role of Link-LSA in OSPFv3 does not include?
- A. of this interface to other routers on the link Advertise this IPv6 prefix list to other routers on the link
- B. Advertise the per-port ID of this router to other routers on the link
- C. Advertise the link-local address
- D. Advertise to other routers on the link optional that is set in the Network LSA from which this link originates
Answer: D
NEW QUESTION # 212
CORRECT TEXT
When configuring the source NAT and having no pat configuration parameters, which of the following statements is true? (Radio)
- A. Perform destination IP address and destination port translation
- B. Simultaneous source P address and source port translation
- C. Only source P address translation occurs
- D. Only destination IP address translation occurs
Answer: C
NEW QUESTION # 213
What are the characteristics of Syslog information?
- A. The transmission of Syslog messages is unreliable
- B. The transmission of Syslog messages is secure
- C. The transmission of Syslog messages is confirmable
- D. The transmission of Syslog messages is not secure
- E. The transmission of Syslog messages is reliable
- F. The transmission of Syslog messages is not acknowledgable
Answer: A,D,F
NEW QUESTION # 214
The BSR/RP mechanism described below describes the correct determination? (Multiple choice questions).
There can be multiple C-BSRs in the
- A. PIM-SM domain, but only one BSR can be elected.
- B. A C-BSR can also collect C-RP information by receiving C-RP packets
- C. BSR advertises BSR and C-RP information to all routers in the PIM-SM domain via flood bootstrap messages
- D. BSR collects C-RP information by receiving packets of C-RP
Answer: A,C,D
NEW QUESTION # 215
Regarding the FTP protocol, which of the descriptions below is correct?
- A. In FTP Active mode, the server tells the client which port it expects to send data on by commanding "PORT"
- B. In FTP Passive mode, the client completes the initialization of the TCP session for control and data
- C. FTP always uses a TCP session to transmit control information and data information
- D. FTP TCP port 21 to establish a data session, TCP port 20 to establish a control session
- E. FTP always uses TCP port 20 to establish a data session, and ICP port 21 to establish control will always use
Answer: B
NEW QUESTION # 216
In a network in MPLSVPN, different CE devices can exchange routing information with the same PE device using different routing protocols, and different CE devices can exchange routing information with the same PE. The routing protocols used between devices are independent of each other
- A. True
- B. False
Answer: A
NEW QUESTION # 217
Regarding the OSPFv3 protocol, what is the error described below?
- A. Under the sukugan of a shared router, each OSPFv3 process runs independently
- B. Multiple instances can be run in the same OSPFv3 under the same interface
- C. OSPFv3 message header will contain instance IDFu Duan flogging
- D. Can support running multiple instances on a single link
Answer: B
NEW QUESTION # 218
Which of the following VPN technologies may have two IP message headers in one message?
- A. GOES
- B. L2TP
- C. IPsec VPN
- D. SSL VPN
Answer: A,B,C
NEW QUESTION # 219
There is an existing router running OSPF connected to Zone 0 and Zone 1 You configured Zone 1 as a stub zone, what classes does LSA that only operates inside Zone 1 include?
- A. 7? LSA
- B. 1? LSA? 2? LSA
- C. I LSA,2 LSA 5 LSA
- D. 3? LSA? 4? LSA
- E. 1 LSA,2 LSA 3 LSA
Answer: E
NEW QUESTION # 220
When you deploy LLQ, you need to configure bandwidth parameters, what is the significance of bandwidth parameters? (Single choice questions).
- A. The parameter should be as small as possible. It means that the bandwidth is always preserved, and even if the LLQ is set, changing the parameters will reduce the available bandwidth of the interface
- B. Provides a built-in policer to limit the maximum available bandwidth of a low-latency queue during congestion
- C. It represents a reference CIR to calculate the burst size D of the built-in tactician token bucket Changing parameters is an option because LLQ always takes precedence over other queues
Answer: B
NEW QUESTION # 221
If the OSPP protocol is running in the network, after configuring the non-backbone area in the OSPP area as the Totally Stub region, the ABR router sends a message to Totally. The Stub region issues an LSA with an LS ID of 0000, and what type of LSA is the LAS to?
- A. LSA5
- B. LSA3
- C. LSA1
- D. LSA2
Answer: B
NEW QUESTION # 222
A routing tool can define multiple entries.
Which tool will automatically add a deni-any entry at the end of the configuration?
- A. AS-path-filter
- B. IP-prefix
- C. Community-tilter
- D. Route policy
Answer: A,B,C,D
NEW QUESTION # 223
As shown in the figure, the PPP link between R1 and R2 is not in the same network segment, but the R1 and R2 direct connectors can communicate, and the Ethernet link cannot communicate under the same planning, why?
- A. The interconnect POS port of RI and R2, through LCP learns the MAC address of the opposite termination, does not need to use ARP to request the MAC address
- B. The interconnect POS ports of R1 and R2 learn the 24-bit subnet route of each other's direct connection ports through IPCP
- C. The interconnect POS ports of R1 and R2 learn the 32-bit host route for each other's direct connections through IPCP
- D. The data packets of the interconnect POS ports of R1 and R2 do not need to encapsulate ethernet headers and do not need to use ARP to request MAC addresses
Answer: C,D
NEW QUESTION # 224
What are the main reasons why RSTP converges faster than STP?
- A. RSTP has a smaller overhead
- B. RSTP has a smaller timer
- C. RSTP does not converge based on timer
- D. RSTP increases the variety of port states
Answer: C
NEW QUESTION # 225
During the LDPsession setup process, the active party first sends the Illitalization information to negotiate the parameters, and if the passive party does not accept the negotiation parameters, which of the following messages will be sent? (Single select).
- A. Error Notification Message
- B. Hello Message
- C. Initialization Message
- D. Keepalive Message
Answer: A
NEW QUESTION # 226
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