The following description of the BGP route reflector is ?( Multiple choice questions).
RTA is the source DR router, RTB is the RP router, and the multicast source sends multicast data to the RTA, but the PIM is not visible on the RTB Register the multicast source to which the message is registered, then the possible causes are ?
s the following description of THE MUX VLA N in huawei switches 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.
What kind of scenario can use AS one path and one filter?
Regular expressions can be used for Community-filter and AS-path-filter definition attribute types for route filtering.
An engineer performed the ingestion operation on an OSPF router in a network of the company, is the following statement about the introduction of the routing LSA correct?
A VRRP virtual router configuration VRID is 3 and the virtual IP address is 100 1. 1. 10, so what is the virtual MAC address?
The fields that represent priority in the VLAN (8021Q) data encapsulation are a total of 6 bits.
How do IGMPv2 routers maintain cinderband group membership? Multi-select
LDP messages are exchanged between LDLRs running the LDP protocol, and LDP messages can be divided into four types according to function, which of the following is not an LDP message type ?
BGP authentication can prevent illegal routers from establishing neighbors with BGP routers, BGP authentication can be divided into MD5 authentication and Keychain authentication, please ask which BGP messages will be carried below BGPKeychain authentication information?( Multiple select).
BGP can only automatically aggregate routes whose source is Incomplete.
An engineer used 2 routers to test IPv6 services and simulated the interconnection between headquarters and branches by running BGP4+. The network logic topology is shown in the figure, regarding the delivery of IPv6 routes between two devices, which of the following statements is wrong?
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
When the BFD detection intervals on both ends are 30ms and 40ms, are the following options described correctly? An A. BFD session can be established, which takes 40ms after negotiation
A B. BFD session can be established, which takes 30ms after negotiation
C. BFD sessions can be established, each occurring at its own interval
l D. BFD sessions cannot be established
In order to study the working mechanism of the OSPFv3 protocol, a project to build a network topology is as follows, the configuration of R1 and R2 is as follows, please ask the LSA switched between R1 and R2 What are the types?
In route-policy, what are the BGP attributes that can be used for the apply clause?
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?
What are the ways to divide VLANs in Huawei switches? ( Multi-select) A Subnetting based on IP.
B. Division based on QoS
C. Partitioning based on port
D. Division based on protocol
E. Division based on MAC address.
Huawei's two switches SWA and SWB are connected together by 7 Ethernet cables, and static link clustering is configured, and the corresponding port on the switch SWA is Ethernet 1/0/1 ?Ethernet1/0/2?Ethernet 1/0/3?Ethernet 1/0/4?Ethernet 1/0/5, Ethernet1/0/6, Ethernet 1/0/7, configured in order of port if the switch SWA, SWB supports only 6 ports per aggregation group
Mainstream Layer 2 tunneling technologies include VXLAN TRILL, NVGB and MPLS.
What is the following description of LDP reliability?
A switch joins a running stacking system after powering up, a behavior known as heap overlay.
In broadcast networks, elections to DIS begin only after a neighbor relationship has been established
If you run PIM-SM in a multicast network, you need to build a multicast forwarding tree between the multicast source and the receiver to enable the receiver to receive the multicast effect, so what are the following options for the correct tree sketch for the build?
The basic header length of an IPv6 message is a fixed value.
To implement the traffic filtering function, you can use trapp-filter or MQC, which can be called in more views than traffic-filter
OSPFv3 uses the same route advertisement method as OSPFv2: advertising is done through the network command in the OSPFv3 area view.
Regarding BGP's recognized arbitrary attributes, which of the following descriptions is correct?
There is an existing network of router RI, router R, router R3, and router R4 The 4 routers are interconnected via an LN network. All 4 routers are equipped with basic oSPF. When you execute the command "displayosp" on router R2 f peer", router R2 and router R3 are discovered The status between is "2-way". So what conclusions can you draw from this output? Multiple choice questions).
In different scenarios, RSTP provides different protection functions, and the wrong statement about this statement is
What type of prefix does a router running BGP advertise to its IBGP neighbor (assuming the router is not configured as a route reflector)? (radio).
The following message about the Register in PIM-SM describes the correct ?( Multiple choice questions).
Regarding the domain-authentication-mode md5 hello command in the ISIS process, the correct explanation is ?
The following description of the characteristics of Huawei device Eth-trunk link aggregation is correct?
As shown in the FIGURE, in the HUB & Spoke networking mode of MPLS BGPVPN, in order to achieve the division, it can only communicate with the headquarters. Divisions cannot communicate with each other, and the settings for RT can be which of the following scenarios? (Multiple choice questions).
In cross-domain VPN-OptionB packet forwarding, two ASBRs exchange the same LSP tags once.
What is correct below about LDP synchronization in ISIS?
The following statement about IPSec VPN is correct ?qo
IPSGs can statically configure binding tables or form binding tables by using them with DHCP-Snooping
What are the three ways to send IPv4 messages?
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?
The advantages of building a campus network using stacking, clustering technology include which of the following?( Multi-select)
Mainstream Layer 2 technologies such as VXLAN, TRILL, NVGRE and MPLS
Which of the following options can affect the establishment of IBGP neighbors?
MPLS is called multiprotocol label switching, and with respect to label descriptions in MPLS, the correct one is ?( Multiple select).
The command to adjust the LINK cost value for the IS-IS interface is ?( Radio)
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 18.104.22.168/32 network segment, is the path order recorded in the ASPath properties correct?
As shown in the figure, in the HUB & Spoke networking mode of MPLS BGPVPN, in order to achieve the division can only communicate with the headquarters, the division can not communicate with each other When setting up RT, which of the following scenarios is this?( Radio).
B. Headquarters: importTarget:1:1EpodTarget:3:3
C. Headquarters: Impot Target:2:2; Expor Target:3:3 D. Headquarters: importTarget: 12:3EpodTarget: 3:12
Deploying the ISIS protocol in an IPv6 environment is true in the following statement (radio).
What are the following advanced features supported by BGP EVPN?
Which of the following parameters are not required when configuring BGP Peers?
When deploying the ISIS protocol in an IPv6 environment , the following statement is correct (single choice).
A campus deploys OSPF to achieve network interoperability, and an engineer configures R2 as shown in the figure, then the following description of the LSA in the OSPF network is wrong
What messages does an NMS (Network Management Station) running SNMPv1 send to the agent?
As shown in the figure, Department A of Branch 1 has access to the Internet, but Department B can only use an encrypted VP to access headquarters resources, and NAT can be configured on the egress device The policy enables Department A to access the Internet, while the PSecVPN (ESP Protocol) + Tunnel mode method configured for Department B gives it access to headquarters.
The Option field in OSPFv3 appears in all LSAs
IPv6 introduces the Solicited-Node address, which is described correctly below (multiple choice)
The DHCP protocol assigns to clients—some TCPIP-related parameter information—in the process DHCP defines a variety of messages that are encapsulated at the transport layer :(sortic).
: :1/128 is the IPV6 loopback address
OSPFv2 is an IGP running on an IPV4 network; OSPFV3 is an IGP running in an IPV6 network
IGP, OSPFv3 in the network has a similar LSA type compared to OSPFV2, but the functionality is slightly different, osPFv3LSA type does not include which of the following?
By default, which of the following security MAC address types lose table entries after the device restarts?
The following link-LSA for OSPFv3 is correct?
The following statement about is the ISIS protocol LSP message is correct
The following is a description of how BFD sessions are established, which is the wrong one
There are many ways to establish a cluster on a box switch, what methods does Huawei frame switch support to establish a cluster?
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.
Run the SSM across the entire HW IP multicast network. The following about SSM understands correctly?( Multiple choice question)
Assume that BGP/MPLSIPVVPN, OSPF, LDP, and static routing protocols are already enabled on the PE router . Which of the following protocols need to enable GR on PE in order to get NSF functionality? (Multiple choice questions).
Router RL runs the OSPF protocol and uses the display ip routing-tabe command to view the router RL's routing table , the following information about OSPF in the routing table is described correctly as ?
Regarding the FTP protocol, which of the descriptions below is correct?
If the Interface Sticky MAC function is enabled, what is the number of MAC addresses that the interface learns by default?
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 ?
XLAN uses BGP EVPN to establish a tunnel, what type of message is used? ( Single choice questions).
The following is the correct description of the aggregation of BGP? (Single Choice Questions).
In a network, the same gigabit running S and OSPF anti-tampering and fluttering as shown in the figure, on the two border routers RTB and RTC are introduced into the wine route, the device question is to use gigabit one port strobe, , 222 The network is introduced into the OSE via impotrote direct on the RTD, assuming that all other configurations are dead default configurations, then the description of this network is wrong ?
In addition to stateless address autoconfiguration, IPV6 devices can also obtain addresses, gateways, DNS, and other information through DHCPv6
What is the following description of MPLS BGPVPN incorrect?
Which nationality meets the following two conditions: 1] BGP Router A can choose whether the Ulpdate message is based on the nationality. ( ) If Router B receives a Updae message containing a cross-hatch, run-by B does not have an identified solidity, but will also contain a multifaceted] Ulpdate retracts the advertisement to Router C. Router C may recognize and apply this attribute. (Multiple choice questions).
The address resolution feature for NDP in the following description is incorrect?
What are the following correct statements about MUX VLANs?( Multiple select).
What are the following statements about 8021x, RADIUS, and HWTACACS certification? ( Multiple choice questions).
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
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
The existing router HWl running BGP is configured with both IBGP neighbors and EBGP tenants. The following descriptions about IBGP Neighbors and EBGP Neighbors are correct?