H12-831_V1.0 Exam Questions

The linkage between OSPF and BFD is to associate BFD and OSPF protocols to speed up the response of OSPF protocol to network topology changes. After BFD status 3 is UP, the OSPF ne...

In the OSPF network shown in the figure, the link cost value has been marked in the figure. R1 has enabled OSPF IP FRR and configured the "maximum load-balancing 8" command in the...

Both VLAN aggregation and MUX VLAN are deployed in a certain enterprise network, and the interfaces connecting the switches to the terminals are all Access interfaces. in the scena...

In an IPLS network, when an LSR (Label Switching Router) receives a Hello message from the other end, it will establish an LDP adjacency relationship, in which the Hello message wi...

As shown in the figure, the message is forwarded based on MPLS in the network. When PE2 receives the message sent by P2, which of the following is the label value carried in the me...

In the network shown in the figure, OSPF protocol runs between R1, R2, and R3. IBGP neighbor relationship is established between R1 and R3 using loopback interface, and BFD functio...

Which of the following reasons will cause Telnet login failure of network devices? (Multiple choice)

In the network shown in the figure, R1 and R2 cannot establish an EBGP neighbor relationship through the direct connection interface. The network engineer first checked the BGP-rel...

In the IS-IS IPv6 network shown in the figure, all routers have multi-topology enabled. The IPv6 address of the R4 Loopback0 interface is 2000::4/128. Configure "ipv6 summary 2000:...

In the network shown in the figure, adjacent routers use directly connected interfaces to establish EBGP neighbor relationships. The AS number is 6500X , where X is the router numb...

A network engineer is checking LLDP neighbor information on R1. Which of the following descriptions are correct? (Multiple choice)

Network administrators can use the clock time zone command to set the time zone information of the device. If the time zone settings of two network devices are inconsistent, the dy...

MPLS supports multi-layer label nesting. When the device receives an MPLS message, it will first process the label close to the second-layer header, that is, the MPLS label at the...

In order to prevent traffic flooding caused by broadcast storm, the administrator plans to deploy traffic suppression function in the inbound direction of the device interface view...

As shown in the figure, a network administrator implements MPLS data forwarding by configuring static LSP. Below the topology diagram is the administrator's packet capture informat...

In the OSPF network shown in the figure, area 1 is an NSSA area, area 2 is a common area, and R4 imports external route 10.0.4.4/32. The Router ID of each device is 10.0.0.X, where...

In the network shown in the figure, R1 and R2 establish an EBGP neighbor relationship through the Loopback0 interface. R1 imports the route 2001::1/128 into BGP, and then cancels t...

Which of the following is not a new addition to IS-IS to support the processing and calculation of IPv6 routes?

The administrator uses the display mpls lsp command to view the LSP of the device. The output information is shown in the figure. Which of the following descriptions of the informa...

Which of the following descriptions about OSPFv3 are correct? (Multiple choice)

With the increase of business traffic, an enterprise needs to expand the backbone network transmission bandwidth. Which of the following methods can best meet this demand?

The flexible QinQ function can add different outer tags according to different inner messages. Which of the following descriptions about the tag addition of flexible QinQ is wrong?

In the OSFFV3 network shown in the figure, there are () Link-LSAs in R2's LSDB.

As shown in the figure, when a network engineer is troubleshooting, he draws a schematic diagram of a multicast network. The IGIP version enabled by R1 and R2 is 2, PIM-SM is used...

As shown in the IS-IS IP4 network, when the network is stable, R1 can ping 2000:12::0, and the MAC address corresponding to 2000:12::0 can be viewed through "display ipv6 neighbors...

In a BGP/MPLS IP VPN network, when a PE device advertises VPNv4 routes, which of the following information will it carry? (Multiple choice)

Which of the following reasons may cause the local device to be unable to learn the ARP information of the other device? (Multiple choice)

NetEngine AR can assign DHCP addresses to clients in the same network segment or different network segments from the router as a DHCP server. Which of the following reasons will no...

The LSP information generated by an IS-IS router itself is shown in the figure. From the LSP information, it can be inferred that the router is configured with 5 IPv6 addresses.

Which of the following descriptions about OSPFv3 Link-LSA and Intra-Area-Prefix- LSA are correct? (Multiple choice)

When dealing with a fault in the existing network, a network engineer drew a topology diagram as shown in the figure. All routers run OSPF. Which of the following descriptions abou...

With the increase of business traffic, an enterprise needs to expand the dedicated transmission bandwidth of the backbone network. Which of the following methods can best meet this...

In an MPLS network, when the penultimate hop LSR (Label Switching Router) performs label exchange, if it finds that the label value after exchange is (), it will pop the label and...

In an MPLS network, data is forwarded based on information such as FIB, MILFE, and ILM. Among these informations, which of the following options is mainly used for information asso...

An enterprise network is shown in the figure. If CE2 is dual-owned by PE2 and PE3, a Type 5 LSA routing loop may occur. The loop can be prevented by setting the route-tag command o...

In a networking environment where the network is relatively stable and has high requirements for route convergence time, you can specify the OSPF LSA update interval to 0 to cancel...

In the OSPF network shown in the figure, the cost value of the link has been marked in the figure. R1 has enabled OSPFIP FRR. Which of the following descriptions are correct? (Mult...

In the network shown in the figure, OSPF protocol is deployed between R2 and R1, and OSPF protocol is also enabled on GE0/0/1 interface of R2. IS-IS protocol is deployed between R2...

As shown in the figure, the administrator wants to enable the MPLS LDP function of devices R1~R4. Which of the following configurations about R1 is correct?

In a BGP/MPLS IP VPN network, VPNv4 routing transfer will carry RD values. Which of the following path attributes does MP-BGP use to carry the RD value?

When a network engineer logs in to a NetEngine AR6120 through the console port, he finds that the password is wrong and cannot log in. If the device can still be logged in through...

The dir command and the Is command are used to display information about all files or specified files on the FTP server, and can also save the information about specified files to...

The file information shown in the figure exists on the R2 device. When the network engineer uses the "dir | exclude 1" command to view the file information, which of the following...

In the OSPF network shown in the figure, the area numbers are marked in the figure. Area 1 is a stub area, area 2 is a totally stub area, and area 3 is an NSSA area. Which of the f...

OSPF supports equal-cost load balancing. When the number of equal-cost routes in the network is greater than the number of equal-cost routes configured by the maximum load-balancin...

An interface of the switch is in error-down state, probably because the average rate of broadcast packets received by the interface exceeds the maximum threshold set by the adminis...

When the basic QinQ function is configured on a port of the switch, only when a message with a VLAN Tag is received from the port will the message be tagged with the default VLAN o...

In the BGP/MPLS IP VPN network, VPN4 routes can be transmitted between PE devices through the BGP-4 protocol.

In the network shown in the figure, adjacent routers use directly connected interfaces to establish EBGP neighbor relationships. The Router ID of each device is 10.0.XX, and the AS...

The MPLS architecture is divided into a control plane and a forwarding plane, which contains multiple protocols and tables. Which of the following tables is responsible for forward...