Exam for engine

QUESTION 359
Which of the following descriptions about DIS in IS-IS is wrong?

QUESTION 360
The first 4 bits of the IP multicast address are fixed 1110, corresponding to the upper 25 bits of the multicast MAC address. Of the last 28 bits of the IP multicast address, only 23 bits are mapped to the MAC address, so 5 bits of address information are lost. The direct result is that 32 IP multicast addresses are mapped to the same MAC address.

QUESTION 361
About the description of Network Address Port Translation (NAPT) and the Translate only network addresses (No-PAT), which of the following statement is true?

QUESTION 362
Which of the following description about OSPF routing aggregation is wrong?

QUESTION 363
Which of the following descriptions about BGP Atonic_Aggregate and Aggregator are correct?
(Multiple choice)

QUESTION 364
Which of the following information is carried in the BGP OPEN message? (Multiple choice)

QUESTION 365
When the payload is an ICMPv6 packet, if the extended header is not considered, what is the value of the Next Header field in the IPv6 header?

QUESTION 366
Regarding network maintenance, which of the following statements are correct? (Multiple choice)

QUESTION 367
RPF has the function of preventing multicast forwarding loops.

QUESTION 368
To improve the reliability of RPs in a large network, deploy dynamic RPs. Please sort the dynamic RP election rules from high priority to low priority.

QUESTION 369
In RSTP, the edge port does not need to wait for the forwarding delay, and can directly enter the forwarding state. If the edge port receives BPDU, the edge port will be closed directly and enter the Aerror-dowm state

QUESTION 370
Which of the following descriptions about CloudFabric intelligent operation and maintenance is wrong?

QUESTION 371
Regarding the role of network maintenance, which of the following statements are correct? (Multiple choice)

QUESTION 372
Among the following options, which routing prefixes satisfy the following IP-Prefix conditions?
(Multiple choice)
[HUAWEI] ip ip-prefix test index 10 permit 20.0.0.0 16 greater equal 24 less-equal 28

QUESTION 373
When the IPv6 address of the host is configured in the stateless address configuration method, and other parameters except the address are obtained through DHCPv6, how to set the M bit and 0 bit in the RA message?

QUESTION 374
As shown in the figure, R1 and R2 are VRRP backup groups with VRID (fill in Arabic characters), where the State of R1 is ________, and the State of R2 is ________. (Fill in English, pay attention to the capitalization of the first letter)

QUESTION 375
In the state detection firewall, when the state detection mechanism is enabled, when the second message (SHN+ACK) of the three-way handshake reaches the firewall, if there is no corresponding session table on the firewall, then which of the following statement is correct?

QUESTION 376
Which of the following BGP attributes must not be included in the Update message of a BGP route?
(Multiple choice)

QUESTION 377
When running OSPFv3 on a Huawei router, the OSPFv3 process will automatically select an interface address as the router ID of the process.

QUESTION 378
In VRRP, when a virtual router responds to an ARP request, it will use the MAC address of the directly connected interface of the main router.

QUESTION 379
Regarding the description of IBGP neighbors and EBGP neighbors, which of the following is false?

QUESTION 380
Which of the following descriptions about BGP neighbors is wrong? (Multiple choice)

QUESTION 381
In OSPF, the AS boundary router can be Internal Router or ABR, but it must belong to the backbone area.

QUESTION 382
IPv6 link-local addresses can be generated through stateless automatic configuration.

QUESTION 383
Hardware or software testing needs to be done before the cutover to ensure the smooth progress of the cutover.