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H12-261 HCIE-Routing & Switching (Written) Questions and Answers

Questions 4

Which of the following statements regarding the BFD one-arm-Echo function are true?

Options:

A.

Local and remote discriminators must be configured for this function.

B.

After this function is enabled, the destination and source IP addresses of BFD packets are the same.

C.

This function is applicable when one device supports BFD and the other device does not.

D.

The default destination IP address of a BFD packet is 224.0.0.184.

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Questions 5

mm en

Router HW1 functions as an MPLS LSR router on the carrier's network. The router receives a labelled packet, but the label entry does not exist in the router's LFIB. Given this information, how will the router process the packet?

Options:

A.

Router HW1 discards the packet.

B.

Router HW1 uses the default label to forward the packet.

C.

Router HW1 removes the label, searches the FIB, and uses the destination IP address to forward the packet.

D.

Router HW1 uses LDP to create an LSP and creates a path in its LFIB for the label carried in the packet.

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Questions 6

Multicast IP 229.130.130.1, MAC: The address is the corresponding address of

Options:

A.

00-00-5E-02-82-01

B.

00-00-5E-82-82-01

C.

01-00-5E-82-82-01

D.

01-00-5E-02-82-01

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Questions 7

If host HW1 on the network wants to join a video conference, what will the host do?

Options:

A.

The host multicasts an 1GMPv2 Membership Report message that carries the expected multicast address to the local network.

B.

The host multicasts an IGMPv2 Membership Report message with the multicast address for all PIM routers (224.0.0.2) to the local network.

C.

The host unicasts an IGMPv2 Membership Report message to the default router on the local network.

D.

The host unicasts an IGMPv2 Membership Report message to the RP.

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Questions 8

The router acts as the HW1 MPLS LSR HW, and the router exists in the network of the carrier. The router receives a message with the tag.

The item does not exist in its LFIB ? Then how does the router manage the text?

Options:

A.

The router will use it to build a HW1 LDP LSP LFIB and create a new path in the Chinese

B.

The router will abandon the text HW1 lose the newspaper

C.

The router will forward the report using the modal HW1 tag.

D.

The router will strip the HW1, FIB IP tags and find the destination address.

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Questions 9

IPv6 ISIS ring protocol deployment, the following method is correct

Options:

A.

In the broadcast network, the first can be divided into IPv4 IPv6 DIS priority settings.

B.

By default, the priority of the broadcast network interface is Level-1 Level-2 DIS 1 and

C.

In the same broadcast network, if each router is supported, IPv4 IPv6 IPv4 IPv6 DIS and , and must be the same device

D.

ISIS ISIS silent ISIS ISIS interface configuration, then this interface will not send packets, but will receive packets

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Questions 10

The following is not a routing role? EVPN Type2

Options:

A.

Host Address Notification MAC

B.

Host Announcement ARP

C.

BUM News Forwarding

D.

Host Route Advertisement IP

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Questions 11

By showing the command as shown below, it can be judged that the fault of the delivery machine is the replacement ring.

Options:

A.

B.

C.

D.

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Questions 12

OSPFv3 OSPFv2 OSPFv3 protocol Single-issue protocol is a separate one. It differs from the other in terms of road-based rather than network segment chain.

The next thing is to say the mistake ?

Options:

A.

Two routers connected to the link, even if their IPv6 addresses are differently suffixed, they can still establish a neighbor relationship.

B.

Pairing the two routers connected to the road, even if you do not configure the broadcast IPv6 address, you can establish a neighbor.

C.

The OSPFv3 Link-local router obtains the next hop of the neighboring address from the neighboring routing information.

D.

In addition to the virtual connection, all interfaces use the address of the address composition OSPFv3 Link-local

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Questions 13

About the sliding window TCP ( ) action, which of the following description is the error? Multiple selection

Options:

A.

When the repeater is over-timed, the sender does not receive the confirmation, and the data will be unrecognized.

B.

Sending the transmission end does not require a full window size

C.

TCP Sliding window allows multiple packets to be sent before receiving the acknowledgment

D.

Sliding window size can only increase or remain unchanged

E.

The sender announces the initial window size

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Questions 14

Community-filter: There are two types of primitive attribute and high-level attribute group filter group filtering. Which of the following tools enables high-level attribute filtering?

Is it more flexible than the basic Hugh attribute?

Options:

A.

ACL

B.

Regular-expression

C.

AS-path-filter

D.

IP-prefix

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Questions 15

The RD VPN IP RD bit is used to distinguish the same address in different. How much is included?

Options:

A.

16

B.

64

C.

32

D.

128

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Questions 16

Compared with IGMPv1 IGMPv2 ( ), what changes have been made? Multiple selection

Options:

A.

Added specific text query

B.

Added a separate report

C.

Increased the maximum response field.

D.

Added specific source query report

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Questions 17

As shown in the figure, there are two diagrams. IPv6 IPv4 IPv6 IPSEC network can access the network, and the same two time networks need to establish inter-network tunnel communication.

Which of the following packaging modes is sufficient for the above requirements?

Options:

A.

ESP+ tunnel mode

B.

None of the above options

C.

AH+ transmission mode

D.

AH+ tunnel mode

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Questions 18

As shown in the figure, the branches and branches use the redundant path to establish the total chain IPSEC VPN Router_B 1 URPF , and the traffic from the branch pair is on at the same time.

Which of the following are correct options? ( ) Multiple choices

Options:

A.

When using the main channel redundancy IPSEC URPF URPF backup link, use the function under the physical interface to build the loose mode.

B.

When using multi-channel redundancy IPSEC tunnel URPF URPF chain backup, enable the function under the interface, you can use the grid mode

C.

When the primary channel redundancy IPSEC URPF URPF backup link is used, the function can be enabled on the physical interface.

D.

When using multi-channel redundancy IPSEC URPF URPF chain backup, enable the function on the physical interface, you can use the grid mode

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Questions 19

The following is about reliability, describing LDP errors?

Options:

A.

The LDP FRR LSP LSP can also be generated from the mapping of the non-lowest hops as the privilege label, and the primary device is configured as the primary device. The table forwarding entry B. LDP IGP IGP LDP IGP is associated with the association. , guaranteed to be consistent with the path

B.

Hand-configured dynamic LDP FRR 32 LDP LSP policy is the default route to the backup device.

C.

LDP GR (Graceful Restart) MPLS uses the feature that the plane and the control plane are separated, and is forwarded when the device protocol is replaced by the restart or the primary or the reverse.

No interruption.

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Questions 20

When the router is running on the same OSPFv3 ISIS OSPFv3 ISIS and the routes that need to be imported, the following types of import configurations are correct.

selected)

Options:

A.

[Huawei] isis 1

[Huawei-isis-1] is-level level-1

[Huavvei-isis-1] network-entity 47.0001.0000.0000.0002.00

[Huawei-isis-1] ipv6 enable topology standard

[Huawei-isis-1] ipv6 import-route ospfv3 1 level-1

[Huawei-isis-1] quit

[Huawei] ospfv3 1

[Huaweiospfv3-1] router-id 2.2.2.2

B.

[Huawei] isis 1

[Huawei-isis-1]is-level level-1

[Huavvei-isis-1] network-entity 47.0001.0000.0000.0002.00

[Huawei-isis-1] ipv6 enable topology standard

[Huawei-isis-1] ipv6 import-route ospfv3 1

[Huawei-isis-1] quit

[Huawei] ospfv3 1

[Huawei-ospfv3-1] router-id 2.2.2.2

C.

[Huawei] isis 1

[Huavvei-isis-1] network-entity 47.0001.0000.0000.0002.00

[Huawei-isis-1] ipv6 enable topology standard

[Huawei-isis-1] ipv6 import-route ospfv3 1 level-1

[Huawei-isis-1] quit

[Huawei] ospfv3 1

[Huaweiospfv3-1] router-id 2.2.2.2

D.

[Huawei] isis 1

[Huavvei-isis-1] network-entity 47.0001.0000.0000.0002.00

[Huawei-isis-1] import-route ospfv3 1

[Huawei-isis-1] quit

[Huawei] ospfv3 1

[Huawei-ospfv3-1] router-id 2.2.2.2

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Questions 21

Which of the following high-level features is supported by BGP EVPN?

Options:

A.

ARP broadcast suppression

B.

VRRP over VXLAN

C.

Multi-live gateway

D.

VXLAN Qos

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Questions 22

As shown in the following topology, establish a phase relationship, and receive the AS400 AS100 1.1.1.1/32 AS-Path routing network. What is the attribute?

Options:

A.

100 200 300

B.

400 300 200 100

C.

100 200 300 400

D.

300 200 100

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Questions 23

The following is true about the route aggregation method.

Options:

A.

Route aggregation can be configured and valid on all routers.

B.

Route aggregation can only be configured on the router to take effect level--1

C.

Route aggregation can only be configured on the router to take effect level--2

D.

Route aggregation can only be configured on the router to take effect level--1-2

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Questions 24

ISIS P2P, LSP, PSNP, LSDB protocol in the broadcast network and the network. When the router receives it, it needs to use the line to ensure the synchronization.

Options:

A.

True

B.

False

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Questions 25

The description of the configuration is correct: (multiple BGP4+ selected)

Options:

A.

Ruter-ID BGP4 Router-ID is the same as .

B.

BGP4+ peer Link-Local specified when required

C.

The next hop of the BGP4+ Link-Local route does not use an address.

D.

BGP4+ BGP4 When the reflector is configured, the role of the reflector and the client needs to be the same as the configuration of the user.

E.

BGP4+ does not support route reflectors.

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Questions 26

Which of the following is the correct description of the assertion mechanism?

Options:

A.

The winner IP will not elect the address size for the election.

B.

In the assertion mechanism, broadcast data to the broadcast network segment. The winner is responsible for the forwarding group.

C.

The DR election used by the assertion mechanism.

D.

The interface to the broadcast network in the assertion mechanism loser shut down.

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Questions 27

A company's second network architecture, such as a layer map, when the project configuration is completed, the communicator can't find the business door, and the command looks like the following to check the device status.

Possible reasons are as follows

(No texture, anyway, the three elements are not consistent with the MSTP Master sample project.)

Options:

A.

Interchange of the exchange

B.

The exchange between the BPDUs is inconsistent.

C.

Interchange of the exchange The Region Name configuration is inconsistent

D.

Interchange of the Instance VLAN mapping configuration is inconsistent

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Questions 28

The following law is correct by the VRRP protocol.

Options:

A.

VRRPv2 VRRP v3 and both support authentication

B.

VRRPv3 VRRPv2 does not support function authentication, but supports function authentication.

C.

VRRPv2 IPv4 VRRPv3 IPv6 only for networks, for network only

D.

Mater IP VRRP 255 0-254 The address of the owner has excellent

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Questions 29

Which of the following routing tools is specific to BGP ?( )( )?

Options:

A.

Route-policy

B.

ACL

C.

IP-prefix

D.

AS-path-filter

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Questions 30

VXLAN BGP EVPN, ? Use to establish a tunnel

Options:

A.

Type3

B.

Type5

C.

Type4

D.

Type2

E.

Type1

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Questions 31

When the DLDP DLDP Disable Trap fiber-optic single-chain exists in the optical path, the default operation includes the Huawei device recognizes that the state is migrated to the state; the outgoing message

Information; since the interface is blocked, it is set to state.

Options:

A.

Correct

B.

Error

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Questions 32

Which of the following attacks belong to the DoS (Denial of Service) attack?

Options:

A.

Single attack package attack

B.

Source address bullying IP scam

C.

Chinese attack

D.

Flood attack

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Questions 33

About FTP, ? Protocol Which of the following descriptions is correct

Options:

A.

In the mode, the client completes the control and data FTP Passive, the TCP user's initialization

B.

In the mode, the server is connected to the command FTP Active, "PORT is used to tell the client which port it wants to send data to.

C.

FTP TCP always uses a remote control information and data information

D.

FTP TCP 20, ICP 21 Always use the far port to establish a data session. Use the port to establish control.

Session E.FTP TCP 21, TCP 20 Always use the far port to establish a data session Use the port to establish a control session

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Questions 34

Routers and routers are running. Both routers are in R1 R2 BGP AS 65234 R2 R1 BGP. The router's route exists on the router's path.

By the table, but not in the router's routing table. R1 IP

So what caused the problem?

Options:

A.

Synchronization is turned off

B.

BGP Down neighbor relationship

C.

Router is not enabled R1 BGP Multi-hop

D.

Routing is not the best

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Questions 35

In the process of using LACP, ? (the agreement is as follows, the correct one is multiple choice

Options:

A.

You can avoid the Eth-Trunk interface due to physical path caused by the following commands.

B.

You can use the following command to configure the row source chain in the enabled route aggregation. IP: interface eth-trunk 1 address line share into the load

Load-balance src-dst-ip

C.

: You can use the following command to divide the interface into the chain aggregation in the enabled route aggregation.

Interface Gigabitethemnet0/0/0

Debug

Interface Gigabitethernet0/0/1

Undo eth-trunk 1

Interface Gigabitetheret0/0/

Undo shutdown

D.

You can join the interface group member through the channel aggregation enabled by the following command:

Interface Gigabitethernet0/0/1 shutdown

Interface Gigabitethernet0/0/1 trunkport Gigabitethernet0/0/ interface Gigabitethernet0/0/1 undo shutdown

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Questions 36

The operation of the two routers is BGP 4+ BGP, which is in the normal neighbor relationship, but the routing table of the local router does not have a neighboring routing entry.

Because it is:

Options:

A.

The routing entry of the peer BGP routing table is not the most optimal.

B.

The next hop address of the BGP routing entry is unreachable.

C.

Peer ignore configured on the peer

D.

The peer is configured with Active-route-advertise

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Questions 37

The following description of the deployment characteristics is correct 802.1s?

Options:

A.

Multiple networks share a generation example bridge

B.

All share a generation instance VLAN tree

C.

Each share a generation instance VLAN tree

D.

Multiple share a generation instance VLAN tree

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Questions 38

Manage some routing managers on the desired routers, and then mark which of the following tools can be routed out to facilitate management of the configurator

Strategy?

Options:

A.

If BGP is running, the community protocol uses the attribute route tag

B.

Use to route ACL tags on the router.

C.

Use to route the Tag value tag on the router.

D.

Use to route the ip-prefix tag on the router.

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Questions 39

If the network is running OSPF, the OSPP Totally Stub Totally Stub ls-id configures the non-backbone area in the area as the area under the strip.

0.0.0.0 LSA, LSA LSA?

Options:

A.

LSA5

B.

LSA2

C.

LSA1

D.

LSA3

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Questions 40

About the basic procedure MPLS, ? Forwarded the following description is the error

Options:

A.

When IP MPLS, IP Tunnel ID Tunnel ID 0x0, and MPLS report domain, check the destination address. If the value is 1, enter the forwarding process.

B.

, PHP Egress1 3 The point allocation of the support point is the default. The value of the section of the penultimate hop is set to .

C.

When IP MPLS is entered and the MPLS IP is reported to the domain, the device reporting layer inserts a new label in the header and header of the text.

D.

When the packet is reported in the MPLS, , and MPLS domain, it is forwarded according to the table label. The label of the top label is replaced by the label allocated by the next hop.

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Questions 41

Which routes will be learned R2 as shown in the figure below?

Options:

A.

R2 R1 can learn all the routes of the study

B.

R2 10.1.1.0/24 can learn this route.

C.

R2 10.1.2.0/24 10.1.3.0/24 can learn and two routes.

D.

R2 R1 LSP can be received but cannot be added to the routing table.

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Questions 42

After IS-IS area authentication is configured, which of the following ISIS packets will carry authentication information?

Options:

A.

IS-IS Level-1 SNPs and LSPs

B.

IS-IS Level-1 Hello PDUs

C.

IS-IS Level-2 Hello PDUs

D.

IS-IS Level-2 SNPs and LSPs

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Questions 43

Which of the following statements regarding 802.1X authentication, RADIUS authentication, and HWTACACS authentication are true?

Options:

A.

A user cannot be authenticated by both RADIUS authentication and 802.1X authentication.

B.

A user cannot be authenticated by both RADIUS authentication and HWTACACS authentication.

C.

A user can be authenticated by both RADIUS authentication and HWTACACS authentication. This is more secure than using just one authentication method.

D.

Users can access a network through 802.1X authentication, and can be authenticated through RADIUS authentication.

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Questions 44

In a data communication session between two hosts, the session layer in the OSI model generally communicates with what other layer of the OSI model?

Options:

A.

The physical layer of the peer

B.

The peer’s presentation layer

C.

The peer’s session layer

D.

The peer’s application layer

E.

The data link layer of the peer

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Questions 45

Which of the following statements about penultimate hop popping are true?

Options:

A.

It can only be used with LDP

B.

It enables the Edge LSR to request a label pop operation from its upstream neighbors

C.

It is only used when two or more labels are stacked

D.

It is requested through LDP using a special label value that is also called the implicit-null value

E.

It is used only for directly connected subnets or aggregate routes

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Questions 46

Which of the following statements about VRRP load balancing are false?

Options:

A.

When configuring priorities, you must ensure that the same router server as the master router in three VRRP backup groups

B.

To implement load balancing, default network gateways of hosts on a LAN must be configured as IP addresses of different virtual routers

C.

Multiple VRRP backup groups can be created on an interface of a router. The router can serve as the master router in on VRRP backup group and the backup router in other VRRP backup groups.

D.

VRRP local balancing requires that at least two virtual routers transmit services at the same time.

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Questions 47

Based on the key configurations, as shown in the figure, R1 and R2 establish a Level-2 neighbor relationship. Which of the following statements regarding routing entries on R2 are true?

Options:

A.

2020:: /64 will be displayed in the IP routing table.

B.

2021:: /64 will be displayed in the IP routing table.

C.

2019:: /64 will not be displayed in the IP routing table.

D.

2022:: /64 will not be displayed in the IP routing table.

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Questions 48

Which of the following statements regarding IS-IS GR is true?

Options:

A.

A new TLV is defined to support IS-IS GR.

B.

IS-IS GR is enabled by default.

C.

IS-IS GR uses four timers.

D.

IS-IS GR uses CSNPs for event notification and neighbor relationship maintenance.

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Questions 49

Which of the following AS-paths can be matched by the AS-Path filter configured using the ip as-path-filter 1 permit ^12.*74$ command?

Options:

A.

AS_Path (32 1274 23)

B.

AS_Path (125 328 74 23)

C.

AS_Path (123 621 743 2374)

D.

AS_Path (321 12 2374)

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Questions 50

Huawei switches SWA and SWB are connected through seven physical Ethernet links and are configured with static link aggregation. On SWA, the interface and are configured in the following sequence: Ethernet 1/0/1, Ethernet 1/0/2, Ethernet 1/0/3, Ethernet 1/0/4, Ethernet 1/0/5, Ethernet 1/0/6,

Ethernet 1/0/7. If only six ports are supported in a LAG on SWA and SWB, which of the following statements is true?

Options:

A.

If the configurations of different ports are consistent, SWA selects one of the seven ports at random to be the Unselected port of the LAG.

B.

If the configurations of different ports are consistent, Ethernet 1/0/6 is the Unselected port of the LAG.

C.

If the configurations of different ports are consistent, Ethernet 1/0/7 is the Unselected port of the LAG.

D.

If the configurations of different ports are consistent, Ethernet 1/0/1 is the Unselected port of the LAG.

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Questions 51

A network with the typology shown in the figure below is set up in a lab. On the network, SW1 uses the default configurations, and STP disables on SW2. Given this information, which of the following statements is true?

Options:

A.

Go/0/2 of SW2 enters the Discarding state.

B.

G0/0/1 of SW1 enters the Discarding state.

C.

G0/0/1 of SW2 enters the Discarding state.

D.

No interface is blocked.

E.

G0/0/2 of SW1 enters the Discarding state.

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Questions 52

Network administrators can use CAR technology in traffic policing.

Which of the following technologies can be applied in CAR?

Options:

A.

Dual buckets at dual rates

B.

Single bucket at a single rate

C.

Three buckets at a single rate

D.

Dual buckets at a single rate

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Questions 53

Which of the following statements regarding optimal route selection of various protocols is true?

Options:

A.

All routes learned through OSPF in the LSDB are added to the IP routing table

B.

The optimal route is selected after comparison costs of routes that are learned through BGP and destined for the same network segment

C.

The optimal route is selected after comparison between preferences of routes that are learned through BGP and OSPF and that are destined for the same network segment

D.

BGP routes with unreachable next hops are also added to the IP routing table

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Questions 54

OSPF is running on a network. In OSPF, what LSA type would only cause an Incremental SPF calculation? (Multiple Choice)

Options:

A.

Type 3

B.

Type 4

C.

Type 1

D.

Type 2

E.

Type 5

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Questions 55

In a BGP EVPN distributed gateway scenario, which of the following packet types is required to implement VM migration?

Options:

A.

Type 1

B.

Type 2

C.

Type 3

D.

Type 5

E.

Type 4

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Questions 56

Which of the following statements is true about the port mirroring on Huawei devices?

Options:

A.

Huawei devices support port mirroring on the control traffic sent to the CPU

B.

Huawei devices support flow-based port mirroring. The mirrored traffic can be copied onto multiple observing ports

C.

Traffic in the RSPAN is transmitted to observing ports in multicast mode

D.

When the observing port becomes congested, mirrored packets cannot be discarded because these packets have higher priority than service traffic

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Questions 57

Which MAC address corresponds to the multicast IP address 229.130.130.1?

Options:

A.

01-00-5E-82-82-01

B.

00-00-5E-02-82-01

C.

01-00-5E-02-82-01

D.

00-00-5E-82-82-01

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Questions 58

which of the following statements is true according to the topology shown?

Options:

A.

Routing entries 10.0.3.3/32 and 10..0.0./16 exist in the IP routing table of R1.

B.

Routing entries 10.0.2.2/32 and 10.0.3.3/32 exist in the IP routing table of R1.

C.

Because route summarization is configured on R2, only the routing entry 10.0.0./16 exist in the IP routing table of R1.

D.

Routing entries 10.0.2.2/32 and 10.0.0.0/16 exist in te IP routing table of R1.

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Questions 59

An OSPF router is connected to Area 0 and Area 1, and Area 1 is configured as a stub area.

Which type of LSAs are in Area 1?

Options:

A.

Type 1, Type 2, and Type 5 LSAs

B.

Type 1, Type 2, and Type 3 LSAs

C.

Type 3 and Type 4 LSAs

D.

Type 7 LSA

E.

Type 1 and Type 2 LSAs

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Questions 60

Routers R1 and R2 are configured for BGP. Both routers are in AS 65234. Routes from Router R2 are in the BGP table on Router R1, but not in the IP routing table. What could be the cause of this problem?

Options:

A.

Synchronization is off

B.

BGP multi-hop is disabled on Router R1

C.

The next-hop of these routes can not reach by router R1

D.

The BGP peers are down

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Questions 61

Which parameter will not be received from the root bridge by a non-root bridge running 802.1D STP?

Options:

A.

Forward delay

B.

Hello time

C.

Root cost

D.

Hold time

E.

Max Age

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Questions 62

If P1M-SM is enabled on a multicast network, an RP needs to be configured. The RP can be configured the following statements regarding RP configuration is true?

Options:

A.

No BSR needs to be configured when a dynamic RP is configured.

B.

When a static RP is configured, you need to configure a BSR that advertises RP information.

C.

The BSR needs to be configured as the RP backup when a dynamic RP is configured.

D.

RP information needs to be specified on all PIM routers when a static RP is configured-

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Questions 63

BGP can automatically summarize only routes with the Origin attribute being Incomplete.

Options:

A.

TRUE

B.

FALSE

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Questions 64

By default, WRED is configured on a newly deployed Huawei router. Which of following statements regarding WRED are true?

Options:

A.

When traffic exceeds the minimum threshold, WRED starts to discard all inbound traffic (tail drop).

B.

Traffic with low bandwidth is more likely to be discarded than traffic with high bandwidth.

C.

WRED selectively discards multiple TCP flows to avoid global synchronization.

D.

WRED can be used to set different drop thresholds and packet loss ratio for data packets with different priorities.

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Questions 65

Which of the following command outputs indicates that a loop has occurred on a switch?

A)

B)

C)

D)

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Questions 66

Which messages are sent to the agent by the network management station (NMS) SNMPv1?

Options:

A.

Trap, Get, and Set messages

B.

Only Trap messages

C.

Get, Set, and GetNext messages

D.

Get, Set, and GetBulk messages

E.

Get, Set, GetNext, and GetBulk messages

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Questions 67

How long will a Huawei switch running RSTP wait before aging out the BPDUs on an interface?

Options:

A.

Hello time interval

B.

6 seconds

C.

MaxAge interval

D.

BPDUs on the interface will not be aged out.

E.

Forward delay

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Questions 68

Which of the following statements regarding BGP route summarization is true?

Options:

A.

Routes in the local BGP routing table can be manually aggregated.

B.

After the aggregate ipv4-address mask command is configured, only summary routes are advertised and specific routes are not advertised.

C.

By default, automatic BGP route summarization is enabled.

D.

BGP supports manual aggregate and automatic summarization of IPv6 routes.

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Questions 69

The function mpls isp command is run on a router to check LSP information. The command output is as follows;

Which of the following statements is true?

Options:

A.

When sending a data packet with the destination IP address 2.2.2.2, the router sends it directly without any label added.

B.

After receiving a data packet with label 1024, the router changes the label to label 1027 and then sends the packet.

C.

When sending a data packet with the destination IP address 33.3.3, the router adds label 1026 to the packet before sending it.

D.

When sending a data packet with the destination IP address 4.4.4.4, the router sends it directly without any label added.

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Questions 70

Which of the following statements regarding PPPoE data frames are true?

Options:

A.

The Session JD field of a PPP session must be the value specified in the Discovery phase and cannot be changed.

B.

After a PPPoE session is set up, all Ethernet packets are unicast.

C.

The Ethemet_Type field has a fixed value of 0x8863.

D.

When PPPoE is used to transmit session data, Code must be set to 0x0.

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Questions 71

Which of the following statements regarding the stub area in OSPF are true?

Options:

A.

A virtual link cannot pass through a stub area.

B.

A backbone area cannot be configured as a stub area.

C.

Type 7 LSAs cannot be flooded to a stub area.

D.

A stub area contains no ASBR.

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Questions 72

A network administrator is planning to use an automatic 6to4 tunnel to transmit IPv6 data on an IPv4 network. If the IPv4 address of the router interface is 138.14.85.210, the corresponding tunnel address should be 2001:8a0e:55d2:l:230:65ff:fe2c:9a6.

Options:

A.

TRUE

B.

FALSE

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Questions 73

Which of the following statements regarding RADIUS are true?

Options:

A.

Authentication, authorization, and accounting are separated in RADIUS protocol.

B.

RADIUS authentication and Portal authentication cannot be used together because users can be authenticated using the Portal server when Portal authentication is enabled.

C.

MAC address authentication does not require a user name and password. Therefore, users cannot be authenticated through RADIUS when using MAC address authentication.

D.

RADIUS supports user access in wired and wireless modes.

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Questions 74

The following descriptions about the PPP CHAP ?( ) protocol authentication function are correct.

Options:

A.

If the party does not have a username authentication account, the endpoint interface may not be configured with a password.

B.

Use sequence authentication ID. MD5 Hash random number and secret key algorithm to calculate a value

C.

It requires three texts to report authentication, and only send the name on the network instead of sending the password.

D.

CHAP authentication authentication must be configured under the user interface

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Exam Code: H12-261
Exam Name: HCIE-Routing & Switching (Written)
Last Update: Apr 14, 2023
Questions: 497