The following statements about the VRRP protocol are correct (multiple choice).
The following description of the GVRP interface registration mode in Huawei switches is correct?
What is the security level for untrust zones in the USG Series firewalls? ( Radio).
?? Route ? Policy ??:ip community-filter Ipermit 100: 1 ip as-path-filter 2 permit ^I00$ route-policy test permit node 10 if-match communityfilter 1 if-match as-path-filter 2 apply
as-path 200 Is the above configuration description correct?
When configuring ISIS zone authentication, which ISIS message will carry the authentication letter? ( Single choice questions).
Which of the following are used in Ethernet?
?BGP4+?,Update ????M IP_R EACH_NLRI ?????next hop network address ????? ?
The following description of Link ID, Data, Type, and Metirc in Router-LSA is correct :( Multiple select).
Router HW1 exists in the carrier HW's network as an MPLSLSR router. The router receives a packet carrying a label, but the label entry does not exist in its LFIB. So how does the router handle that message?
What mechanisms or techniques can VRRP combine with to monitor uplink connectivity?
When running OSPFv3 on a Huawei router, the OSPFv3 process automatically selects an interface address as the process router id
The following statement about the OSPFv3 message format is correct?( Multiple select).
In an IPv6 network, two nodes A and B are neighbors to each other if node A sends to node B NS message, if Node B receives the message and then replies to the NA message, then on Node A On the view, the neighbor status will be marked as What?
The following is the correct statement about the LSA of OSPFv3?
A company network runs the OSPF protocol, a project in order to understand the OSPF mechanism in the network to perform packet transfer operations, the following description of ospf messages is correct?
When DLDP detects the presence of a one-way link in the fiber, the default actions of Huawei equipment include: the DLDP state machine migrates to the Disable state, outputs Trap information, and automatically sets the interface to a blocked state.
The following description of Filter-Policy is correct?( Radio).
A With Filter-Policy, on ASBR in OSPF, type5LSA and type7LSA can be applied The build is filtered.
B. Prefix lists can be used to filter both routes and packets.
C. Filter-policy filters the link state information received or published, and can modify the properties of route entries.
D. When filtering routes using the pre-slow list, the table entry ip-prefxldeny0000 0 lese-qual 32 indicates that only the default route matches
The following description of the CHAP authentication function in the PPP protocol is correct?( Multiple choice questions).
What are the types of link types included in OSPF's route LSA?
R3 is not established with the RI's IS-IS neighbor, and according to the information in this figure, the possible cause is ?
The following description of the attributes of BGP is correct? Radio
ICMPv6 has two types: Error Messages and Information Messages.
Port isolation technology deployed in Ethernet can realize Layer 2 interoperability and Layer 3 isolation, making networking more flexible.
IGMP SSMMapping is bound to multicast through a static multicast source, so that members of IGMPv1 and IGMP2 can also access the SSM multicast network. The following statement about IGMPSSMMapping is wrong?( Radio).
A campus deployed both IPv4 and IPv6 networks for service testing, and ran IS-S to interconnect the networks. (The S-S routing protocol has good scalability and is widely used in the live network.) Regarding IS-IS extensibility, which of the following statements is true?
In an HW MPLS network, what parameters are used to define a forwarding equivalent class??
As shown in the figure,
RI, R2 establishes an EBGP neighbor and turns on the BFD detection function, the following statement is correct
The following description of the characteristics of cross-domain VN-Optionc is correct?
If a Huawei S series switch needs to designate a member switch as the primary switch of the stack, it can power on this switch first, and then power on other member switches after 20s.
In cross-domain VPN-OptionB packet forwarding, two ASBRs exchange the same LSP tags once.
Command IP as-path-filter1 permit^12,*74$ can match to which AS_PSTH?
If the topology of the entire network does not change, but the allocation of IP segments in the router changes, ISIS only uses PRC to calculate the changed routing information, and does not recalculate all SPT
BGP4+ is running between two routers, and the neighbor relationship is normal, but the BGP routing table of the router on this side does not have a neighbor route entry.
A home user has opened a 1Mb/s bandwidth, and in order to improve the user experience, the operator can stabilize 2Mb/s when measuring speed If we use the listening bucket technology to achieve this requirement, which of the following methods is optimal.
The following is a description of how BFD sessions are established, which is the wrong one
Users within a typical VPN can only communicate with each other, not with Internet users, and with Internet. But VPN individual sites may have access to internet's needs. The correct description of the implementation of VPN interconnection with internet is ?( Multiple choice questions).
Run the SSM across the entire HW IP multicast network. The following about SSM understands correctly?( Multiple choice question)
Two VTEPs in an XLAN can identify a VXLAN tunnel, and this VXLAN tunnel between the VTEPs will be covered by two NDEs is common to all VNI.
Router HW cannot access hosts in the remote network, router HW runs routing protocols and only pings the remote file server address 105401 on router HW with extensions through a default route remote network , the result of ping on the router HW is rendered as 'requ.' est time out', according to the above description, the error in the following analysis is ?
BGP EVPN does MAC address advertisement, ARP message advertisement, and IRB route advertisement for which BGP EVPN route is advertised?
In which of the following cases, RSTP refreshes the MAC address table?( Multi-select)
The following description of ISIS's routed infiltration is correct?( Multi-select)
An engineer uses 2 routers to test Pv6 services and runs OSPFV3 to achieve interconnection and interoperability of IPV6 networks The RI has access to the loopback address of R2 The engineer looks at ri's OSPF3 routing table entry and finds that there is no route reaching the R2 loopback address It can't be caused by which of the following?
The following description is correct regarding route control
If multiple candidate RPs are configured in a multicast group, which of the following parameters does the RP that elect the group from multiple candidate RPs need to be compared?
Which of the following BGP attributes is not required in the Update message for a BGP route?
Regarding the mpLS handling mode of TTL, is the following description correct?
The following statement about isis protocol LSP messages is correct
The address resolution feature for NDP in the following description is incorrect?
As shown in the following topology, EBGP is running between AS100, AS200, AS300, AS400, and the neighbor relationship is established S400 When you receive a BGP route from ASI00 for a 188.8.131.52/32 network segment, is the path order recorded in the ASPath properties correct?
As shown in the figure,
all interfaces of the router have OSPF turned on, and the COST value of the link is identified in the figure. R2's loop backO interface advertises a cost in region l, then R1 reaches 10022/32 The value is
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?
The following description of VRRP load sharing is correct?( Multiple choice questions).
The switch can suppress traffic by suppressing traffic and extremely other failures can affect operations, which of the following traffic suppression configurations is the wrong configuration
Configuration under a certain interface: isis timer hello 5 level-2, the following statement is correct?
If a DR needs to be elected between multicast routers running PIM-SM to be responsible for the sending and receiving of source or member multicast data, which one is described correctly below for the DR election rule?
Which of the following is the benefit of VLAN aggregation?
As shown in the figure, the PPP link between R1 and R2 is not in the same network segment, but the R1 and R2 direct connectors can communicate, and the Ethernet link cannot communicate under the same planning, why?
The correct description of the extended features of ISIS is ?
Regarding the DSCP field, the following statement is incorrect: single selection
In a data communication session between two hosts, which level does the session layer of the oSI model of the host on one end communicate with the osl mode of the host on the other end?
Mainstream Layer 2 technologies such as VXLAN, TRILL, NVGRE and MPLS
The BSR/RP mechanism described below describes the correct determination ?( Multiple choice questions).
There can be multiple C-BSRs in the
When the ABR is a Type 5/7 LSA Switch router in the NSSA zone, then the ABR can be used against the Type 7 LSA The converted type 5 LSA is aggregated.
The value of OSPF and BFD linkage is ? Radio
When you deploy BGP/MPLSIPVPN, when two VPNs have a common site, the common site must not use overlapping address spaces with the other sites of the two VPNs.
A company's two-layer phase network architecture as shown in the figure, when the engineer is configured to find that the business between departments can not communicate, through the command to view the status of the equipment as follows, please determine the possible causes?
Which address prefix in the following options indicates that the address is globally unique and globally routable among unicast addresses in IPv6, similar to a public address in IPv4?(). Single choice questions).
The following description of VLANs in Ethernet is correct?
The following statement about the security alliance SA in IPSec is incorrect
The following about the Router-LSA of OSPFv3 is correct?( Single choice questions).
What are some of the following misrepresentations about URPF, IPSG, and DAI technologies? ( Multiple choice questions).
Underneath, what doesn't belong to EVPN Type2 routing is ?( Multiple choice question)
The correct statement about the IGMP proxy is ? Multi-select
The multicast IP address is 2291301301, and its corresponding MAC address is :(Multilist)
The following description of the process of sending and receiving data frames in switch interface Access mode is correct? ( Single choice questions).
: :1/128 is the IPV6 loopback address
In the laboratory network, the network is built according to the following topology diagram, SWI is the default configuration, and SW2 disables the switch STP function.
/R1Jospf1lRL-osp- jarea.2[RLospf-1-arca-0002]network1001310000 As shown in the configuration, the administrator configured OSPF but RI on R1 You cannot learn routes for other routing rings. Then the possible cause is the question).
As shown in the following figure, R1, R2, R3 establish a neighbor relationship of Level2 The IP routing table for R3 is correct (multiple choice).
The following statement about the VXLAN gateway is incorrect?( Single choice questions).
In the city, that is, mpLS BGPVPN network, when the packet enters the public network forwarding, it will be encapsulated with two layers of MPLS tags, the following description of the two layers of tags, the error is ?
The switch role in the stacking system does not include ?
A From the switch
B. Candidate Switch
C. Standby Switch
D. Primary Switch
What is the relationship between CIR, BC and TC? (single select)
The command to adjust the LINK cost value for the IS-IS interface is ?( Radio)
WRED is configured on the newly deployed router HW. What is the correct description of the WRED features below? (Multiple choice questions).