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The correct description of the extended features of ISIS is ?
Which of the following configurations for OSPFv3 route aggregation is correct?
D Class IP address range 239000-239255255,What does 255 do? Radio
Link state information is isolated by default between different IS-IS processes on the same router.
If all the public IP addresses are used by a company's intranet users to access the Internet using NAT's No-pat method, what will happen to subsequent intranet users who access the Internet?
What messages can Huawei equipment suppress traffic for?
Which timer for spanning tree protocol dictates how often to see the root bridge send configuration BPDUs?
In VXLAN scenarios, what features can be turned on to reduce flooding of ARP messages between VTEPs?( Multiple select).
If there are multiple recipients in a multicast group, the administrator enables the IGMP-Snooping function on the switch connecting the recipient, and when the receiver receives the universal group query packet of the queryer from the switch, how should multiple recipients respond?
Compared to IPV4 multicast, which of the following descriptions is the characteristic of IP6 multicast?
The default configured switch has an empty MAC address table at this time , and Host A connected to the switch issues the first unicast data frame, so what will the switch do after receiving the teaching system?( Single choice questions).
The router connects two EBGP neighbors through two parallel Serial cables, what do you do to achieve bidirectional negative sharing between two EBGP neighbors connected by these two parallel Serial cables? ( Single choice questions).
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
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 ?
When running OSPFv3 on a Huawei router, the OSPFv3 process automatically selects an interface address as the process router id
Router HW1 and Router HW2 connect Network A and Network B, respectively. As shown in the figure below, if you want to set up an IPsec VPN between router HWI and router HW. (single selection).
Regarding BGP route filtering, the following description is wrong?
The following description of the Lsp shard extension for ISIS is correct?
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 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).
How do.8021w and 8021D handle BPDUs?( Single choice questions).
OSPFV is the GP running on the P4 network) OSPF3 is the KGP running on the IP6 network. OsPFV works the same basic way as OSPF2, such as elections for DR and BDR. As shown in the figure, an engineer uses three routers for IP6 service testing, and he wants to interconnect the IPv6 network by running OSPFv3 Which of the following statements is correct regarding the election of the network DR?
Between two directly attached devices that have established an IBGP neighbor, execute the shutdown command to close the interface of one of the devices. The BGP connection is not immediately disconnected.
The correct statement about the IGMP proxy is ? Multi-select
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.
Man-in-the-middle attacks or IP/MAC spoofing attacks can lead to information leakage and other hazards, and are more common in the intranet, in order to prevent man-in-the-middle attacks or IP/MAC spoofing attacks, you can take the configuration method
Regarding the WRR (Weight Round Robin) description of the error is ?( Multiple select).
In the use of the CP protocol, the following description is correct?
There are two Communily filters: ip comimuniy-lite lpemit 101201 ip community fiter 2permit101 ip commmuriyfilter 2pemit21 Regarding the above ommuniyfiter, the correct description is ?( Multiple choice questions).
Because BGP is an EGP routing protocol, BGP routing policies can only be deployed between EBGP neighbors, and routing policies between IBGP neighbors are not valid.
The following statement about IPSec VPN is correct
SNMPv3 defines which security features
There are routers as follows, according to which the compromise conclusion is wrong?
The following description of the CHAP authentication function in the PPP protocol is correct?( Multiple choice questions).
Regarding the description of the hello message in the PIM-SM message, the error is ?
There is an existing router running OSPF HWL, HW1 interface serial0 is published in zone 1, configure commands under the OSPF process nssa default-route-advertise, based on the previous description, infers which of the following options are correct?
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?
The following statement about the Security Alliance SA in IPSec is wrong with ?
As shown in the figure, which of the following options satisfies two routers to establish an ISIS neighbor?( Single choice questions).
In the use of the LACP protocol, the following description is correct ?( Multiple select).
If the Option field value in the 0SPFv3 Hello message issued by the router's GIgabit Ethermet0/0 interface is 0x000013, the following description is correct
Dual-bucket, two-speed is used in traffic governance, where the number of tokens in a C bucket is TC and the number of tokens in a P bucket is TP. When a message of length B enters, which of the following sentences is correctly described? (Multiple choice questions).
Regarding the Stub region and the Totally Stub region of the OSPF protocol, the following statement is correct (multiple choice)
As shown in the figure, three switches SI, SN2, and SN3, where SN1 is the root bridge between S1 and SN2 Now that link support SN2 cannot receive the configuration BPDU sent by the root car, the administrator needs to configure which spanning tree protection mechanism to prevent the problem of link congestion?
Mainstream Layer 2 tunneling technologies include VXLAN TRILL, NVGB and MPLS.
In a multicast network, what causes multicast traffic to not forward properly?
Regarding how the device handles messages in the MPLS network model, what is the following description of the error? A. The label forwarding path LSP is determined and established by various protocols during the forwarding of messages. There is certainly no stripping of the label on the B. LSR.
Both C. LER and LSR are labeled.
D. For IP packets entering the MPLS domain, the device discards them.
Regarding the difference between NSR and NSF, the correct one is?
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?
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).
Regarding MP-BGP, the following description is wrong?
The command to configure VRRP preemption delay is ?
In an IPv6 network, two nodes A and B are neighbors to each other if Node A sends NS messages to Node B if node B is B After receiving the message, reply to the NA message, then view it on node A, what will the neighbor status be marked? (Single Choice Questions).
When judging the old and new LSA, the serial number parameter and the age parameter are used , and the following two parameters are correct for ?( Multiple choice questions).
A When the router receives two LSAs, where the sequence number is the same and the checksum is the same, the smaller the age, the better
B. When the router receives—The age of the LSA is set to 3600S, the LSA is unavailable
C. If the serial number of the LSA reaches the end value of Ox7FFFFFFF, the current router advertises an LSA with an age of 3600S
D. Both the serial number and age parameters can determine whether the LSA is old or new, and the router prioritizes the sequence to participate in the teaching, and the larger the better
SSH uses asymmetric encryption algorithms AES and DES to achieve security for data transmission, and uses HMAC to ensure the complete integrity of integer data
The duplicate address detection feature for NDP in the following description is incorrect?
NO: 322
The following description of MED, correct:
The following statement about OSPF route filtering is incorrect.( Single choice questions).
As shown in the figure, all routers declare the loopback address in OSPF where the R storage does not return address is 1022 [2 declares 10033[ at the Ael.R3 ring E port[ 92101102A External routing in order to win light R win L away from the negative cut.
The noodle command is as follows: (multi-select) [BIppprefixt permlt 1001.1.024 [R1] ospf1
As shown in the figure, SWA, SWB, SWC all run RSTP, GED/O/2 on SWB Ports and GEO/0/1 ports on SWC have a port role of ? Radio
The following statement about IS-IS (IPv6) is correct?
XLAN uses BGP EVPN to establish a tunnel, what type of message is used? ( Single choice questions).
If there is a switch running RSTP, which interface on that switch sends the BPDU with the Proposal logo??
Regarding BGP MED, which of the following descriptions is correct?
There is no routing protocol running on the router HW and only one default route reaches the remote network. On the router job with the extension Ping remote file server address 105401. The result of Ping on the router job is presented as "Request time." out”? Based on the above description, the error in the following analysis is ?
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 statement about the BFD one-arm echo function is correct (multiple choice).
If you have a Huawei switch running the STP protocol, and now connect the GO/O/17 interface and the GO/O/18 interface of the switch through a cable, then the scenario described below is correct ?( Single choice questions).
If you want to advertise 19072270/27 to an EBGP neighbor, is the following command correct?
As shown in the following topology, EBGP is running between ASI0O0, AS.203, AS.30, AS8400, and the neighbor relationship has been established as RECEIVed by AS4O0 When AS1OO issues a 1..11/2 CIDR segment BGP route, the path order recorded in the ASPath attribute is correct
As shown in the topology diagram, all interfaces of the router in the figure are enabled with the ISIS protocol, and the following statement is correct.
BGP routing policies can control the publication and acceptance of routes
ION NO: 272
The rules for RR to publish routes break the rules for horizontal segmentation of IBGP, so it is possible to cause loops within the AS. What routing attributes does RR use to prevent loops?
BGP EVPN advertises external routes, which of the following routes?
In an Hw IP multicast network—which of the following multicast features are associated with (*, G) table entries? ( Multiple select)
If a Huawei switch runs the RSTP protocol, when will the BPDUs on a port on the switch be aged?
ICMPv6 has two types: Error Messages and Information Messages.
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.
There is an As-path-filter.ip as-path-filter 1 permit*(100l400) $, which As-path-filter can match which of the following AS_PATH Attribute?( Confirmed).
The following statement about the VPNv4 address is wrongly described as ?
WRED is configured on the newly deployed router HW. What is the correct description of the WRED features below? (Multiple choice questions).
A bookstore provides a wired network for customers to learn online. However, one day, it was found that some users could not access the network, and after inspection, it was found that the IP resources of the DHCP address pool had been exhausted. Which of the following is the best way to solve the problem of the moment? ( Single choice questions).
Router RI and Router R2 run BGP. Both routers are in the AS65234 The route for router R2 exists in the BGP routing table of the router RI, but not in the IP routing table of the router RI . So what causes the problem to occur? (Single Choice Questions).
There is a concept of FEC-Forwarding Equivalence Class in MPLS, so what criteria can FEC not allocate based on?
Huawei's SDN controller using VXLAN technology is fixed?
If an administrator wants to manage certain routes on the router during operations, the following tools are listed below. These routes can be flagged so that administrators can configure policies
The following description of the characteristics of Huawei device Eth-trunk link aggregation is correct?
An existing router running BGP, HW1, has both IBGP neighbors and EBGP neighbors configured on the router. Are the IP Neighbors and EBGP Neighbors described below correctly?
Vxlan is based on UDP encapsulation, which encapsulates Ethernet data frames on top of UDP in IP packets, so it is called MAC in UDP encapsulation
The following is a description of how BFD sessions are established, which is the wrong one
A multi-protocol network, the topology is shown in the figure. Take a closer look at the topology, router R4 (in Areal) is introduced into the OSPF process via the routes learned by BGP. So what categories of LS4 will R3 advertise to zone 0?( Multiple choice questions).
