[Apr 15, 2025] H12-831_V1.0-ENU Exam Dumps, H12-831_V1.0-ENU Practice Test Questions [Q148-Q167]

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[Apr 15, 2025] H12-831_V1.0-ENU Exam Dumps, H12-831_V1.0-ENU Practice Test Questions

Free H12-831_V1.0-ENU Study Guides Exam Questions and Answer

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Q148. When troubleshooting dual-master faults in a VRRP backup group, which of the following statements is wrong?

There is no need to check whether the switch port that transmits the VRRP advertisement message is in the same VLAN

Need to check whether the VRRP group ID on the interface is the same

Need to check whether the interface IP address is in the same network segment

Need to check whether the virtual IP addresses of the VRRP group are the same

Q149. On the OSPFv3 network shown in the figure, area 1 is a stub are
a. Which of the following statements are true?

Default routes exist in the routing tables of R1 and R2.

Both R1 and R2 generate Network-LSAs.

Both R1 and R2 generate Inter-Area-Prefix-LSAs.

Both R1 and R2 generate Intra-Area-Prefix-LSAs.

Q150. On the network shown in the figure, OSPF is deployed on R1 and R2. IS-IS is deployed on R2 and R3. To enable R1 to obtain the route to 10.0.3.3/32, ISIS routes are imported into OSPF on R2. In this case, the next hop address to 10.0.3.3/32 in the routing table of R1 is_____.

10.0.23.2

Q151. The RR rules for advertising routes violate the IBGP split horizon rules, which may cause loops in the AS. Which routing attributes does RR use to prevent loops?

Cluster List k

Nexthop

AS-PATH

Originator ID

Q152. When configuring the DHCP Relay function on the device, the VLAN ANIF interface of the relay connection client must be bound with a DHCP server group, and the IP address of the proxy DHCP server must be configured in the bound DHCP server group.

True

False

Q153. Display interface GE0/0/0 once, and find that the Total Eror count (the total number of error packets on the physical layer of the interface) is not 0. At this point, it can be concluded that the current fault has not disappeared.

TRUE

FALSE

Q154. BGP authentication can prevent illegal routers from establishing neighbors with BGP routers. BGP authentication can be divided into ID5 authentication and Keychain authentication. Which of the followingBGP packets will carryBGPKeychain authentication information?

Open

Keepalive

Update

Notification

Q155. As shown in the figure, R1, R2, R3, and R4 are in the same PLs domain, and LDP is used to distribute IPLS labels between devices.
R4 is the Egress LSR of the FEC 4.4.4.0/24. If you want to achieve R1 access 4.4.4.0/24, R4 does not need to query the label table but can know the forwarding priority of the data, then the outgoing label of R3 for the FEC should be:____. (Please fill in the Arabic numerals directly, without symbols)

(0)

Q156. Which of the following are not included in the security protection actions that a secure MAC address can perform?

Protect

Restrict

Shutdown

Remark

Q157. On the network shown in the figure, VRRP is configured on Rl and R2, and the virtual IP address is 10.0.12.254. After the configuration is complete, the network engineer checks the VRRP status on R1 and R2, and finds that both devices are in the Master state. Which of the following is not a possible cause of this problem?

R1 and R2 have different priorities in the VRRP group.

GE0/0/1 and GEO/0/2 of SW1 belong to different VLANs.

The VRIDs configured on R1 and R2 are different.

The virtual IP addresses configured on R1 and R2 are different.

Q158. In PLSVPN, in order to distinguish IPv4 prefixes that use the same address space, the value of R0 is added to the IPv4 address. The correct description of the following options is:

On a PE device, each VP instance corresponds to a value of 0. On the same PE device, the RD value must be unique.____, ____, ____.

RD can be used to control the publication of 1 routing information

RD is encapsulated in Update message as BGP extended community attribute during delivery

After the PE receives the IPv4 route from the CE, it adds RD to the IPv4 route to convert it into a globally unique VPN-IPv4 route, and publishes it on the public network

Q159. A campus deploys OSPF to implement network interworking. The LSDB of R2 is shown in the figure. From this LSDB. it is possible to What information was obtained?

ArealNone inType3 LSA. maybeR2in the area1In the correct directiontype3 LSAfiltered

Area 1forNSSAarea

R2WillType7 LSAThe default route is converted toType5 LSAdefault route for

R2existOSPFThe default route is delivered in the process

Q160. There are multiple types of MAC address entries on a switch. Which of the following entries are manually configured and cannot be aged out?

MUX MAC address entries

Static MAC address entries

Dynamic MAC address entries

Blackhole MAC address entries

Q161. On the OSPF network shown in the figure, area 1 is a stub area, area 2 is a totally stub area, and area 3 is an NSSA.
Which of the following LSAs does not exist in areas 1, 2, and 3?

Type 2

Type 4

Type 1

Type 3

Q162. Which of the following commands can be used to view BGP VPNv4 routing and BGP private network routing information on the PE?

display bgp routing-table address-family vpnv4

display bgp vpnv4 routing-table

display bgp routing-table ipv4-family vpnv4

display vpnv4 bgp routing-table

Q163. Which description is correct about the MPLS forwarding mechanism? (Multiple choice)

The system automatically assigns an ID to the upper-layer application that uses the tunnel, also known as Tunnel ID

When an IP packet enters the MRLS domain, the FIB table is the first to be checked

If the Tunnel ID value is not 0x0, enter the normal IP forwarding process

If the Tunnel ID value is 0x0, enter the MPLS forwarding process

Q164. What are the work that needs to be performed in the closing phase after the cutover acceptance is completed? (Multiple choice)

Transition training

Data transfer

Acceptance summary

On-site defense

Q165. the configuration file of the device. Is the following statement D wrong?

Regardless of whether the device is configured with apricotBPDU Tunnel,neither will be correctMSTPmake an impact

Port connected to user terminal equipmentMSTPWhether it is disabled or configured as an edge port

Check port configuration to confirm enableMSTPWhether the port is enabled with the protocol packet sending command. Such as:bpdu enable

Check if the port is added to the correct oneWLAN

Q166. As shown in the figure, configure a backhaul summary route 10.0.0.0/24 on the border route RT1. next hop to RT2. At the same time, the default route to the external network is configured. At this point, a routing black hole will appear. The following is about routing Is the black hole statement correct? (multiple choice)

Configuring black hole routing can solve the routing black hole problem

Routing black hole has no impact on the network and can be ignored

Precise routing $ can always avoid routing black holes

If the terminal in the network sends data packets to the network segment that does not appear on the internal network, a loop will occur

Q167. (Drag and drop) As shown in the figure, there is a message containing three-layer label headers. Please select the corresponding values of the X, Y, and Z fields in the figure. (Decimal)