Huawei H12-891 Practice Test - Questions Answers, Page 46

The following statement about ISIS (IPv6) is correct?

When the load is an ICMPv6 message, what is the numeric value of the Next Header field in the IPv6 header if the presence of an extended header is not taken into account?

QinQ technology is a technology that extends the VLAN space by adding a layer of 8021Q tag messages to the extended VLAN. The function of space, the following statement about QInQ is mispronounced?

Traditional BGP-4 can only manage IP4 unicast routing information, and MP-BGP extends BGP-4 to provide support for multiple network layer protocols. Among them, MP-BGP's support feature for IPv6 unicast networks is called BGP4+,

BGP4+ via NextHop The route next hop address information is carried by the attribute.

OSPF fast convergence is an extended feature to improve the convergence speed of routing, in which PRC works by speeding up routing computation by performing path calculations only on the affected nodes when the network topology changes.

The router port to which the policy is applied has been idle for about 10 seconds, and there is a huge burst of c1 type coming in an instant, so how many bytes will the packets that are colored green?

In ospf broadcast networks, there are 4 routers RTA, RTB, RTC, and RTDs within the same network segment The DR priorities are 2, 1, 1, and O, and the Router ID is respective 1921681.1, 19216821, 19216831, and 19216841 If the OSPF protocol is enabled on both of these four routers, ospf selects the BDR as

In an MPLSVPN network, when a packet enters the Internet and is forwarded, it is encapsulated with two layers of MPLS tags, and the processing of the packet in the following options is described correctly?

There are three port roles defined in RSTP, with alternative ports and backup ports flags in STP messages The port role values within the fields are consistent, all of which are 01