H12-891_V1.0テスト問題練習試そう！2024年に更新された610問あります
更新された2024年01月プレミアムH12-891_V1.0試験エンジンPDFで今すぐダウンロード！無料更新された610問あります
質問 # 280
The command to adjust the LINK cost value for the IS-IS interface is ?( Radio)
- A. ISIS circuit level
- B. ISIS cost
- C. ISIS timer hello
- D. lSIS circuit type
正解：B
質問 # 281
BGP can only automatically aggregate routes whose source is Incomplete.
- A. False
- B. True
正解：B
質問 # 282
Regarding IPv6 over IP4(19) road, the following statement is correct
- A. Automatic tunneling has great advantages over manual tunneling, and manual tunneling will be phased out
- B. The 6to4 automatic tunnel requires the use of a specific IP6 address segment, and the assigned address segment is preceded by 3ffe::/16
- C. 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
- D. All automatic tunnels encapsulate data in the same way.
- E. The ISATAP tunnel determines the destination IPV4 address of the tunnel based on the destination IP6 address.
正解：D、E
質問 # 283
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
正解：B
質問 # 284
If the Option field value in the 0SPFv3 Hello message issued by the router's GIgabit Ethermet0/0 interface is
0x000013, the following description is correct
- A. Router A is an OSPFv3 device with forwarding capability
- B. Router A supports AS-An External-LSA flood
- C. Router A's Gigabit/thernetO/0/0 interface belongs to the NSSA zone
- D. The Gigabit/thernetO/0/0 interface of Router A adds IPv6 routing to compute
正解：A、B、D
質問 # 285
The following statements about the VRRP protocol are correct (multiple choice).
- A. Both VRRPv2 and VRRPv3 support authentication
- B. VRRPv2 only applies to IPv4 networks, and VRRPv3 only applies to IPv6 networks
- C. The owner of the Master IP address has a VRP priority of 255, and all configurable priorities range from
0 to 254 - D. VRRPv3 does not support authentication, while VRRPV2 does
正解：D
質問 # 286
What parameters can the DHCPv6 server assign to DHCPv6 clients?
- A. SNTP server address
- B. IPv6 address/prefix
- C. DNS server address
- D. Gateway address
正解：A、B、C、D
質問 # 287
How do.8021w and 8021D handle BPDUs?( Single choice questions).
- A. 8021D bridges do not forward BPDU packets
- B. The 8021D bridge only forwards BPDU packets received from the root bridge
- C. 8021w Bridge does not forward BPDU packets
- D. The 8021w bridge only forwards BPDU packets received from the root bridge
正解：B
質問 # 288
As shown in the figure, a company sets up an OSPF network. The links in the figure all form OSPF adjacencies, and all OSFP devices declare their own loopback addresses. One day SIR2 The two links of the S2AR1 suddenly failed, and in order to detect if the network was operating properly, the engineers performed a device status check, which is correct as described below
- A. R1 can normally learn the loopback route
- B. R5 can normally learn the loopback route to R2
- C. R3 of R2 The loopback route of R2 can be learned normally
- D. R3 can not learn the loopback route to R2
正解：B、D
質問 # 289
XLAN uses BGP EVPN to establish a tunnel, what type of message is used? ( Single choice questions).
- A. Type3
- B. Type4E. Type5
- C. Typel
- D. Type2
正解：A
質問 # 290
What categories can ACLs be divided into?
- A. Two-layer ACL
- B. User-defined ACLs
- C. Advanced ACLs
- D. Basic ACL
正解：A、B、C、D
質問 # 291
The following statement about the five types of LSAs in OSPF is used to pass external routes, and the following statement about the five types of LSAs is incorrect and flooding in
- A. Routers in the same zone as ASBR can calculate external routes by chanting the LSA and the five types of ISAs in the region
- B. OSPF networks in non-Stub/NSSA regions
- C. Configuring the appropriate filtering policy on the ABR or ASBR can filter five types of LSAs
- D. The FA address is included in the five types of LSAs, and the FA address is 000 only as reserved for no practical purpose
正解：D
質問 # 292
Regarding the DSCP field, the following statement is incorrect: single selection
- A. In addition to indicating the priority of the data, DSCP can also indicate the probability of data being discarded. The CS class in DSCP divides data into 8 priorities.
- B. When the value of DSCP is EF, it indicates that the data belongs to the accelerated forwarding class.
- C. The DSCP value can be 0, and packets use the default forwarding mechanism when 0
正解：B
質問 # 293
IPv6 introduces the Solicited-Node address, which is described correctly below (multiple choice)
- A. IPv6 introduced the Solicited-Node address to support IPv6 multicast.
- B. The Solicited-Node address on the router interface is automatically generated and can have multiple.
- C. This is a specific address that is used for resolution in ARPv6 The MAC address.
- D. If the Solicited-Node address is not configured , the router automatically generates one on each interface.
正解：B
質問 # 294
Regarding the description of the hello message in the PIM-SM message, the error is ?
- A. Routers periodically use hello messages to stay in touch
- B. Elect dr in multiple router segments with hello messages
- C. In a PIM-SM network, a newly started multicast router needs to use hello messages to discover neighbors and maintain neighbor relationships
- D. Hello messages are sent to multicast address 224005
正解：D
質問 # 295
The correct description of the extended features of ISIS is ?
- A. After you enable the LSP shard extension feature of your router, you can use it without restarting the ISIS process.
- B. If there are other vendors' devices on the network and do not support the LSP sharding function, the sharding expansion mode must be configured as Model-1, otherwise the message will not be recognized by other vendors' devices.
- C. ISIS can choose whether to authenticate incoming SNP and LSP packets
- D. When the amount of information in the Link State Protocol data packet PDU to be released by ISIS is too large, the ISIS router will generate multiple LSP shards to carry more ISIS information.
正解：B、C、D
質問 # 296
In broadcast networks, elections to DIS begin only after a neighbor relationship has been established
- A. False
- B. True
正解：B
質問 # 297
In the following topology diagram,
R1 can be established between R2 and R3 fetches the Internet, RI and R2, R1 and R3 EGP connections, R2, R3 belong to the same AS The default routes are issued through BGP separately, requiring R2 to be preferred for traffic accessed by RI to the Internet, and the following practices can be achieved
- A. R1 specifies that peer R3 sets the MED property to 150 in the import direction
- B. R2 specifies that peer R1 is in export The direction setting local priority is 150
- C. R1 specifies the peer R2 sets the local priority in the import direction to 150
- D. R2 specifies peer R1 in the export direction setting MED property to 150
正解：A、C
質問 # 298
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