Free HCIE-Datacom V1.0 Exam H12-891_V1.0 Exam Practice Test

Is the following statement about VLAN aggregation correct?

• Sub-VLAN is used to isolate broadcast domains
• A Super VLAN can contain one or more Sub-VLANs
• The super Sub-VLAN contains a physical interface that can establish a Layer 3 VLANIF interface
• Sub-VLAN contains a physical interface that can establish a Layer 3 VLANIF interface

In inter-domain packet filtering, which of the following options belongs to the outbound direction?

• trust -->Local
• untrust--> dmz
• trust--> untrust
• untrust--> trust

What improvements have been made to the IGMPv2 protocol compared to IGMPv1? ( Multiple Choice)

• Added maximum response time field
• Added high group messages
• Added specific group query message
• Added a specific source group query packet

The LSA of type certainly does not exist in the 220SPF Stub zone

• Type7
• Type5
• Type4
• Type3

If the OSPP protocol is running in the network , after configuring the non-backbone area in the OSPP area as the Totally Stub region, the ABR router sends a message to Totally. The Stub region issues an LSA with an LS ID of 0000, and what type of LSA is the LAS to?

• LSA5
• LSA2
• LSA1
• LSA3

When configuring ISIS zone authentication, which ISIS message will carry the authentication letter? ( Single choice questions).

• ISIS ?Level-1 ?SNP ?LSP?
• ISIS ?Level-2 ?SNP ?LSP?
• Hello message of ISIS's Level-1.
• Hello message of ISIS's Level-2

The following statement about the VPNv4 address is wrongly described as ?

• By default, PE does not perform VPN-target filtering on received VPNv4 routes.
• Local PE sets up An Export Target for these routes before releasing VPNv4 routes learned from sites that are directly connected to them to other PEEs attributes, and are published with routes as extended community attributes for BGP.
• Carries the RD attribute when BGP publishes both reachable and unreachable VPNv4 routes.
• The VPNv4 address has a total of 12 bytes, including an 8-byte route identifier RD (Route Distingulisher) and a 4-byte IPv4 Address prefix.

s the following description of THE MUX VLA N in huawei switches correct?

• MUX VLAN ??Principal VI-AN ?Subordinate VI-AN ???Separate VLAN ? Isolate VLAN
• Each Separate VLAN can bind multiple Principal VLANs
• Under the same VLAN, muX VLANs can be mixed with SuperVLANs
• The Principal port can pass the answer to all ends within the MUX VLAN

BGP EVPN advertises external routes, which of the following routes?

• Type1
• Type2
• Type3
• Type4
• Type5

When there are multiple rule rules for ACLs in VRP, which of the following statements is true regarding the order of matching? Single choice questions).

• By default, matching is based on the principle of 'depth first'
• By default, matching occurs in the order in which the permit is matched first and denim later.
• By default, matching is made from smallest to largest according to the Rule-ID.
• There is only one matching order and cannot be modified.