H12-891_V1.0-ENU Practice Test Questions Updated 611 Questions
Huawei H12-891_V1.0-ENU Dumps - Secret To Pass in First Attempt
NEW QUESTION # 102
As shown in the FIGURE, in the HUB & Spoke networking mode of MPLS BGPVPN, in order to achieve the division, it can only communicate with the headquarters. Divisions cannot communicate with each other, and the settings for RT can be which of the following scenarios? (Multiple choice questions).
- A. ??: Ilmport Target: 1:1l; Export Target: 3:3?? 1: Import Target: 33; Export Target: 1.1?? 2:lmport Target: 3:3; ExportTarget: 2
- B. ??: lmport Target: 22; Export Target: 33?? 1: lmport Target: 33; Export Target: 1:1?? 2:lImport Target: 33; Export Target: 2
- C. ??: lmport Target:123; Export Target: 3:12?? 1:Import Target: 312; Export Target:123 ?? 2:Import Target: 3:12; Export Target: 12:3
- D. ??:Import Target: 123; Export Target:123?? 1: lmport Target:123; Export Target:123?? 2:lmport Target: 12: 3; Export Target: 123
Answer: C
NEW QUESTION # 103
The Option field in OSPEv3 appears in all LSAs
- A. True
- B. False
Answer: B
NEW QUESTION # 104
Cross-device link aggregation realizes the back-to-back transmission of data traffic and the mutual spare of the heap member switches, but due to the limited bandwidth of the heap cable between the heap devices, the forwarding efficiency can be improved in the following ways?
- A. Enables the stacking multi-master check function
- B. Configure the stacking system MAC address switching
- C. Enable traffic to be forwarded locally first
- D. Connect the stacking device via a stacking card
Answer: C
NEW QUESTION # 105
Communityflter has two types of basic group nature filters and advanced group property filters.
Which of the following filters makes the Advanced Group Genus Filter more flexible than the Basic Group Attribute Filter to match group attributes?
- A. AS-path-filter
- B. ACL
- C. Regular-expression
- D. IP-prefix
Answer: C
NEW QUESTION # 106
By default, huawei firewalls provide the following security areas:
- A. Untrust Zone
- B. Security zone
- C. Local zone
- D. Trust zone
Answer: A,C,D
NEW QUESTION # 107
::1/128 is the IPV6 loopback address
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 108
SNMPv3 defines which security features
- A. Domain checking
- B. Accounting
- C. Privacy
- D. Authentication
Answer: C,D
NEW QUESTION # 109
In Huawei devices, when SIS introduces external routes and sets external route tags for route information, the Metric type of ISIS does not need to be modified and remains default.
- A. True
- B. False
Answer: B
NEW QUESTION # 110
Man-in-the-middle attacks or IP/MAC spoofing attacks can lead to information leakage and other hazards, and are more common in the intranet, in order to prevent man-in-the-middle attacks or IP/MAC spoofing attacks, you can take the configuration method
- A. Configure the trusted/untrusted interface
- B. Configure DHCP snooping on the switch to interbolde with DAI or IPSG
- C. Limit the maximum number of MAC addresses allowed to be learned on the switch interface
- D. Enable DHCP snooping to check the chaddr field in a DHCP request message
Answer: B
NEW QUESTION # 111
The following statement about IPSG technology is correct (single choice).
- A. On Huawei routers, ipSG functions can be configured in Vlanif.
- B. The IPSG can perform binding table match checks on IP packets entering and leaving the interface.
- C. If an interface is configured as the OKCP Scooing Tust interface, the interface can normally receive DHCP ACK and DHCPNAK responded to by the OHHNP server and DHCPOffer packets, other untrusted ports cannot receive these packets properly.
- D. The ip source checkuser-bind check-item command is used to configure VLAN- or interface-based IP packet checks, which take effect for both dynamic and static table entries.
Answer: C
NEW QUESTION # 112
The OSPF3 protocol is a separately developed protocol that differs somewhat from OSPF2 in that OSPFv3 is link-based rather than network segmented, and the following statement is incorrect? (). Single choice questions).
- A. Two OSPF routers connected to the link can establish a neighbor relationship even if their IPv6 address prefixes are different
- B. The routing information obtained by the OSPFv3 router from the neighbor uses the neighbor's Link-Local address as the next hop in the forwarded packet
- C. For two OSPF routers connected to the link, you can establish a neighbor relationship even if you do not configure a unicast IPv6 address
- D. All OSPFv3 interfaces use the Link-Local address as the destination address of the message
Answer: D
NEW QUESTION # 113
What are the common ways to learn routing in BGP? (Multi-select)
- A. Introduce static routes
- B. Introduced Direct Route
- C. BGP routing for other AS is introduced
- D. receives neighbor routing information
Answer: A,B,D
NEW QUESTION # 114
?? Route? Policy??:ip community-filter Ipermit 100: 1 ip as-path-filter 2 permit ^I00$ route-policy test permit node 10 if-match communityfilter 1 if-match as-path-filter 2 apply as-path 200 Is the above configuration description correct?
- A. The BGP route matches the above only if the BGP route carries a community attribute value of 100:1 or if the AS PATH is 100 route one policy. The AS-one PATH attribute that matches the route is changed to 200
- B. Only if the BGP route carries an AS-PATH of 100, the BGP route matches the route one policy above. The AS-one PATH attribute that matches the route is changed to 200
- C. As long as the BGP route carries a community attribute value of 100:1, the BGP route matches the route-policy above. The AS-PATH attribute of the matching route is changed to 200
- D. The BGP route matches the above only if the BGP route carries a community attribute value of 100:1 and the AS-One PATH is 100 route policy?. The AS-PATH nature of the matching route is changed to 200
Answer: D
NEW QUESTION # 115
The following description of 8021S deployment characteristics is correct? (Multiple choice question)
- A. Multiple bridges share a spanning tree instance
- B. All VLANs share a spanning tree instance
- C. Multiple VLANs share a spanning tree instance
- D. Each VLAN has one spanning tree instance
Answer: C
NEW QUESTION # 116
When configuring AS-Path-Filter, ip as-path-filter 10 permit_100$ indicates a matching route received from the A5100 but not from the AS100
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 117
The following description of the CHAP authentication function in the PPP protocol is correct? (Multiple choice questions).
- A. The user name must be configured under the authenticated party interface for CHAP authentication
- B. If the authenticator does not have a username configured, password
- C. 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
- D. can also be configured without the authenticated party interface Using the authentication sequence ID, random number, and key, a Hash value
Answer: A,C,D
NEW QUESTION # 118
The correct description of configuring BGP4+ is that
- A. BGP4+ does not support route reflectors.
- B. BGP4 specifies p
- C. BGP4 configures the reflector, the role positioning of the reflector and the client needs to be consistent with the configuration of BGP4
- D. The next hop of a BGP4 route can use the Link-Local address.
- E. BGP4+? Router-ID? BGP4? Router-ID-??
Answer: D,E
NEW QUESTION # 119
You want to set the DSCP value of VolP traffic in HW network devices to EF. According to the differentiated service model RFC, traffic token EF should be set to:
- A. IP ToS is set to OXEF
- B. DSCP is set to decimal 36
- C. DSCP is set to decimal 5
- D. Bitstream 101110
- E. IP Experimental ECN
Answer: D
NEW QUESTION # 120
The MAC address of a PC is 5489-98FB-65D8. The administrator wants this PC to get the specified P address 1921681.11/24 from the DHCP server So the administrator-configured command should be,
- A. dhcp server static -bind ip address 1921681.112552552550 mac-address 5489-98FB-65D8
- B. dhcp server static-bind ip-address 1921681. 11 mac- address 5489-98FB-65D8
- C. dhcp static-bind ip address 1921681.11 mac- address 5489-98FB-65D8
- D. dhcp static-bind ip address 1921681.11 24 mac- address 5489-98FB-65D8
Answer: B
NEW QUESTION # 121
R3 is not established with the RI's IS-IS neighbor, and according to the information in this figure, the possible cause is?
- A. R3 and R1
- B. R3 duplicates the System ID of R1
- C. R3 does not match the IS-Level of R1
- D. R3 and R1 interconnection ports circuit-type do not match the lH authentication of
Answer: D
NEW QUESTION # 122
As shown in the following topology, EBGP is running between AS100, AS200, AS300, AS400, and the neighbor relationship is established S400 When you receive a BGP route from ASI00 for a 1.1.1.1/32 network segment, is the path order recorded in the AS Path properties correct?
- A. 300, 200,100
- B. 400,300,200,100
- C. 100, 200,300, 400
- D. 10,200,3
Answer: A
NEW QUESTION # 123
In the city, that is, mpLS BGPVPN network, when the packet enters the public network forwarding, it will be encapsulated with two layers of MPLS tags, the following description of the two layers of tags, the error is?
- A. MPLS BGPVPN uses two layers of tags: public labels (also known as outer labels) and private network labels (also known as inner labels).
- B. Private network tags are carried and distributed by MP-BGP when routing, and public network tags are distributed by the LDP protocol.
- C. By default, the router assigns the same tag value to all VPNv4 routes destined for the peer
- D. The egress PE uses the inner tag when determining which egress CE the message should be sent to.
Answer: C
NEW QUESTION # 124
In an HWIP multicast network, where multiple sources exist and each source has several receivers, which protocol allows source-to-RP traffic and RP-to-receiver traffic to share the same tree 2?
- A. 56768GZliuji
- B. PIM-DM
- C. DVMRP
- D. PIM SM
- E. MOSPF
Answer: A
NEW QUESTION # 125
A workstation is connected to an Ethernet switch in the work through a super-class 5 wire, the workstation can access the entire network (that is, full connection) through the switch, but the access rate is much lower than expected, when viewing the switch interface statistics, you can detect that there are many ultra-small frames, with software to read the statistics of the workstation network card, found that there are Many FCS and frame alignment errors, what causes the machine to cause these errors?
- A. The line between the workstation and the switch has been completely damaged
- B. The operating mode between the workstation and the switch does not match
- C. The rate mismatch between the workstation and the switch
- D. The network interface card on the workstation is damaged
- E. Interface mismatched to an 8021Qtrunk interface
Answer: B
NEW QUESTION # 126
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