The router is running both OSPFv3 and ISIS, and the OSPFv3 route needs to be introduced to ISIS, which of the following ingestion configurations is correct:( Multiple choice questions).
The following link-LSA for OSPFv3 is correct?
What is the following description of MPLS BGPVPN incorrect?
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?
BGP routing policies can control the publication and acceptance of routes
In EPIM-SM, the following description of the PIM Join message is correct?
APIM Join messages are sent every 3 minutes, and status B. PIM Join messages for the multicast tree are only sent when the multicast tree is first established
C. The PIM Join message is sent every 60 seconds to refresh the status of the upstream router mroute for the multicast tree
D. The upstream router sends a PIM Join acknowledgment in response to each PIM Join message received from the downstream router
MACsec provides users with secure MAC layer data sending and receiving services. Which of the following is not a service available by ACsec?
If you need to configure routing policies on one router. Which of the following parameters does an administrator use to route when deploying a routing policy?( Multiple select).
A Protocol B. Application
C. Size of the packet D. Throughput
E. Identification of a specific terminal system
What is correct below about LDP synchronization in ISIS?
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
Run the SSM across the entire HW IP multicast network. The following about SSM understands correctly?( Multiple choice question)
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?
Which levels are common in the OSI reference model and the ICP/IP model? ( Multiple choice question)
The following statement about IPSG technology is correct (single choice).
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?
BGP can only automatically aggregate routes whose source is Incomplete.
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?
What are the benefits of using WRED?( Multi-select)
When the ACL in the VRP has multiple matching rules (rules), the matching order is about Which of the following statements is true?( Confirmed).
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).
Protocols with TCP ports 443, 179, 137, 110, and 23 are, in order: 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.
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?
Which of the following LSAs propagate in a single region only?
The OSPF3 protocol is a separately developed protocol that differs somewhat from OSPF2 in that OSPFv3 is link-based rather than network segmented, and the following statement is incorrect?(). Single choice questions).
The address resolution feature for NDP in the following description is incorrect?
The following is the correct description of the aggregation of BGP (radio).
The following message about the Register in PIM-SM describes the correct ?( Multiple choice questions).
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
Configure the ipv6 preference under the IS-IS protocol view, the role of this command is to configure the priority of the Ipv6 protocol generated by the IS-IS protocol
The following statement about the concept of multicast is wrong?
What is wrong with the following statement about digital certificates?
Router A has an IP route entry with a purposeful CIDR block of 10001/32 and an outgoing interface of GigabitEthernetO/0/1. Now add the following configuration: acd number 2000 rule 10 permit source1001.10#traffic classifier test if-match acl 2000 # traffic behavior test remarkdscp cs3#traffic policy test classifier test behavior test#
interfaceGigabitftherneto/0/1 ip address 1001212552552550 traffic-policy test outbound#assuming router A received a destination IP of 10001 Of packets, the following statements are correct:
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?
What is the following description of MPLS incorrect?
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 is the relationship between CIR, BC and TC? (single select)
The following statement about EVPN Type5 routing is wrong?( Single choice questions).
Assuming that the shaping rate of a port is 10OMbps, the input loans and RIP of P configurations of each service of the interface are as follows: Then after the first round of scheduling, EF How many loans are allocated by the queue?( Single choice questions).
The following statement about IPSec VPN is correct ?qo
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?
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 126.96.36.199/32 network segment, is the path order recorded in the ASPath properties correct?
When two devices with the same priority compete for the master role at the same time, the device on which the interface with the smaller IP address resides should be selected as the master device
What mechanisms or techniques can VRRP combine with to monitor uplink connectivity?
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
Which of the following attacks are DoS (Denial of servioe) attacks?( Multiple choice question)
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
VrRP priority is not configured as O, devices that issue VRRP priority of 0 stop participating in the VRRP backup group, notifying the backup device to become a laster device as soon as possible without having to wait until the Master_Down_Interval timer times out
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 ?
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).
Regarding the FTP protocol, which of the descriptions below is correct?
Which of the following options uses an alternate channel to enable communication between IPV6 addresses?
Command IP as-path-filter1 permit^12,*74$ can match to which AS_PSTH?
In OSPFv3, Router-LSA is generated by each router, which describes the interface address and cost of the router's links, as well as the RouteriD of the neighbor 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?
Is the following information about BGP4+ described correctly?
The following statement about IPSec VPN is correct
Regarding the Stub region in the OSPF protocol, the following statement is correct.
The following statement about ISIS (IPv6) is correct?
In the use of the CP protocol, the following description is correct?
The Layer 3 logical interface on XLAN L3 Gateway that enables communication between different VXLAN virtual networks is ?
Which of the following VPN technologies may have two IP message headers in one message?
Regarding route introduction, the following description is correctly ?( Multiple choice questions).
Level-1-2IS transmits Level-2LSP to the Level-1 area if the AT location 1 in Level-2LSP is delivered It means that the Level-1lS in the area can be accessed to the outer area through Level-1-2IlS
What are the common ways to learn routing in BGP? ( Multi-select)
The following description of the process of sending and receiving data frames in switch interface Access mode is correct? ( Single choice questions).
In broadcast networks, elections to DIS begin only after a neighbor relationship has been established
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).
MQC, like PBR—can only be called under the device's Layer 3 interface.
As shown in the figure, PC1 and PC2 are hosts that belong to the same network segment, below about between PC1 and PC2 What are the correct descriptions of IPv6 neighbor states?
Regarding the difference between NSR and NSF, the correct one is?
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 correct statement about the VRRP protocol version is ?
The multicast IP address is 2291301301, and its corresponding MAC address is :(Multilist)
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
Router R1 runs the OSPF protocol, use the "display ip routing-table" command to view the routing table of the router R1, the following about the OSPF in the routing table Is the information described correctly?
The command to adjust the LINK cost value for the IS-IS interface is ?( Radio)
There is an existing switch running the RSTP protocol. If the network topology changes, what happens to the Layer 2 forwarding table that is automatically learned by the switch?
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
ICMPv6 has two types: Error Messages and Information Messages.
In an MPLS VPN network, different CE devices exchange routing information with the same PE device using different routing protocols, and different CE devices use routing protocols that are independent of each other
Regarding IPv6 over IP4(19) road, the following statement is correct
The following description is correct regarding route control
Regarding Policy Routing, the following description error is ?( Single choice questions).
The Serial Number field of LS is used to detect expired and duplicate LSAs. The field is a 32bt signed integer, so the small serial number is Ox8000000
Each DD message has a sequence number for data confirmation, and a DD sequence number is 2 bytes long
Is the following statement about the multicast address used by 0SPFv3 correct?