Pass Your Exam Easily! H12-891_V1.0 Real Question Answers Updated on Feb 25, 2023
Actual Questions Answers Pass With Real H12-891_V1.0 Exam Dumps
NEW QUESTION 293
Regarding IPv6 over IP4(19) road, the following statement is correct
- A. The ISATAP tunnel determines the destination IPV4 address of the tunnel based on the destination IP6 address.
- B. All automatic tunnels encapsulate data in the same way.
- C. Automatic tunneling has great advantages over manual tunneling, and manual tunneling will be phased out
- D. When configuring manual tunneling on the VRP platform, a Tunnel interface is generally created; When configuring automatic tunneling, a Vrua-Template interface is usually created
- E. The 6to4 automatic tunnel requires the use of a specific IP6 address segment, and the assigned address segment is preceded by 3ffe::/16
Answer: A,B
NEW QUESTION 294
The advantages of building a campus network using stacking, clustering technology include which of the following?( Multi-select)
- A. It can effectively reduce network power consumption
- B. Business disruption time is greatly reduced
- C. Improved network equipment and link utilization
- D. Simplifies network management and reduces the complexity of network deployment planning
Answer: B,C,D
NEW QUESTION 295
Which of the following tools cannot be referenced directly by the If-match clause in Route-policy?
- A. Regular expression
- B. Community-filt
- C. IP-prefix
- D. AS-path-filter
Answer: A
NEW QUESTION 296
The address resolution feature for NDP in the following description is incorrect?
- A. When sending a neighbor request packet, the source address-is set as the link-local address
- B. are used in the address resolution process, neighbor request and neighbor advertisement Address resolution implements the ability to resolve from IPv6 addresses to link-layer addresses
- C. of the local interface Two types of ICMPv6 messages,
- D. When sending a neighbor request packet, the destination address must be the multicast address of the neighbor's requested node
Answer: A
NEW QUESTION 297
There is an existing switch running the RSTP protocol. If the network topology changes, what happens to the Layer 2 forwarding table that is automatically learned by the switch?
- A. Except for the table entry related to the edge port that is not deleted, all other table entries are deleted
- B. Table entries are dropped except for table entries related to edge ports and table entries related to ports that receive TC messages
- C. If the aging time is set to 15 seconds, entries that exceed the aging time are deleted
- D. All table entries are dropped
- E. Only table entries related to the port that received the TC message are dropped
Answer: B
NEW QUESTION 298
Is the following correct statement for the VXLAN message?
- A. The destination UDP port number is 4789
- B. VNI has 24 T bits to distinguish the VIAN segment
- C. The outer destination IP address is the IP address of the VTEP at the far end of the VXLAN tunnel
- D. The source UDP port number is 4789
Answer: A,B,C
NEW QUESTION 299
Which of the following options can affect the establishment of IBGP neighbors?
- A. BGP protocol version inconsistencies
- B. iBGP-Multi-hop is not configured
- C. Authentication is unsuccessful
- D. IGP routing is not passable
Answer: A,C,D
NEW QUESTION 300
Which of the following is the benefit of VLAN aggregation?
- A. Increased number of available VLANs
- B. Increased flexibility in addressing
- C. Reduce the waste of IP addresses
- D. Implements isolation of broadcast domains between Sub-VLANs
Answer: B,C,D
NEW QUESTION 301
The following description of BGP ring protection is correct
- A. Any routing information from the IBGP peer is advertised to the other IBGP peers
- B. , through the AS-path attribute, discard any update information received from the EBGP peer that contains its own AS number in the AS-path attribute
- C. BGP routers that are not RR do not announce any updates from the IBGP peer to other IBGP peers
- D. The BGP router does not announce any updates from the EBGP peer to other EBGP peers
Answer: B,C
NEW QUESTION 302
The correct statement about the VRRP protocol version is ?
- A. VRRPv2 is only available for IPv4
- B. VRRPv2 supports authentication
- C. VRRPv3 is only available for IPv6
- D. VRRPv3 does not support authentication
Answer: A,B,D
NEW QUESTION 303
Because BGP is an EGP routing protocol, BGP routing policies can only be deployed between EBGP neighbors, and routing policies between IBGP neighbors are not valid.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 304
WRED is configured on the newly deployed router HW. What is the correct description of the WRED features below? (Multiple choice questions).
- A. Avoid global synchronization by selectively dropping multiple TCP streams
- B. WRED can set different drop thresholds and packet loss rates for packets of different priority
- C. When the flow exceeds the minimum threshold, WRED begins to discard all inlet flow (tail drop)
- D. Low-bandwidth traffic is easier to drop than high-bandwidth traffic
Answer: A,B
NEW QUESTION 305
Regarding the description of the BGP neighbor, the error is:
- A. BGP routers that support autodiscovery neighbors
- B. BGP establishing neighbors must be configured with MD5 authentication
- C. BGP needs to establish a UDP connection before establishing a neighbor
- D. BGP to establish a neighbor relationship needs to first interact with the link state information
Answer: A,B,C,D
NEW QUESTION 306
As shown in the following figure, R1 and R2 establish a neighbor relationship with LeveL2, and the key configuration is as follows, so is the following route entry for R2 correct?
- A. 0::/64 The router will appear in the IP routing table
- B. 2022::/64 Routers appear in the IP routing table
- C. 2019::/64 Routers appear in the IP routing table
- D. 2021::/64 Routers appear in the IP routing table
Answer: A,B,C
NEW QUESTION 307
How do 8021w and 8021D handle BPDUs?( Confirmed) The
- A. The 8021D bridge does not forward BPDU messages
- B. The 8021w bridge forwards only BPDU packets received from the root bridge
- C. 8021D bridge only forwards BPDU packets received from the root bridge
- D. 8021w Bridge does not forward BPDU packet
Answer: C
NEW QUESTION 308
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.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 309
The following statement about isis a route leak of ISIS is correct?
- A. Route disclosure for ISIS avoids suboptimal paths.
- B. Route disclosure for ISIS is turned on by default.
- C. Route leaks for ISIS can only be applied to IPv4 environments.
- D. Route leaks for ISIS must be deployed on Level-1 routers
Answer: A
NEW QUESTION 310
The following description of the attributes of BGP is correct? Radio
- A. The AS number of the adjacent AS, ranked to the far right of the list of AS_Path in the BGP route entry.
- B. Local_Pref is valid only between EBGP peers and is not advertised to third-party AS
- C. When a BGP Speaker publishes a route learned from an EBCP peer to an IBGP peer, it does not change the next hop attribute of that routing information.
- D. A route can have only one community attribute value.
Answer: C
NEW QUESTION 311
If four routers run ISIS and have established an adjacency relationship, and the area code and router rank are marked as shown in the figure, what is the cost value of R4 reaching 10022/32?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 312
Which of the following IEEE standards is specific to Gigabit Ethernet?
- A. 8023z
- B. 8023ad
- C. 8023af
- D. 8023ab
Answer: A,D
NEW QUESTION 313
Regarding the certification of the ISIS protocol, there is a correct statement
- A. The two routers are configured for area authentication and interface authentication, and the passwords are the same, so the two can establish an isocopied relationship
- B. After configuring the connection authentication, the IIH issued by the router must carry the authentication TLV
- C. After configuring zone authentication, the router issues an IIH, SNP, LSP-strap-to-tape authentication TLV
- D. Connection authentication can realize the authentication of the hello messages of Leve-1 and Leve-2
Answer: B,D
NEW QUESTION 314
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