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H12-821_V1.0 HCIP-Datacom-Core Technology V1.0 Questions and Answers

Questions 4

To inject IGP routes into BGP routes, you can only use the network command.

Options:

A.

TRUE

B.

FALSE

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Questions 5

OSPF neighbors have multiple states, such as Down, Init, 2-way, Loading, or Full. In which of the following states do OSPF routers negotiate the master and slave roles?

Options:

A.

Exchange

B.

Init

C.

2-way

D.

ExStart

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Questions 6

The IP prefix list configuration on a Huawei router is shown below. Which of the following routes can match this IP prefix list?

bash

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[huawei] ip ip-prefix test index 10 permit 10.0.0.0 8 less-equal 32

Options:

A.

10.1.1.1/32

B.

10.1.1.0/6

C.

10.1.1.0/24

D.

10.0.0.0/16

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Questions 7

L2TP does not provide security encryption. Therefore, other security measures, such as IPsec, are required to ensure the security of the entire tunnel for data transmission.

Options:

A.

TRUE

B.

FALSE

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Questions 8

IP multicast effectively conserves network bandwidth and reduces network load. Therefore, it is widely used in network services, such as IPTV, real-time data transmission, and multimedia conferencing.

Options:

A.

TRUE

B.

FALSE

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Questions 9

In IPv6, to communicate with a destination host, a host must obtain the link-layer address of the destination host through ARP.

Options:

A.

TRUE

B.

FALSE

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Questions 10

A router performs a lookup in its FIB table for a packet. If the tunnel ID in the matching entry is 0, the packet needs to be forwarded through a tunnel, such as an MPLS tunnel.

Options:

A.

TRUE

B.

FALSE

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Questions 11

A company has a stack consisting of three switches that are running properly. The master switch restarts due to a fault. Given this, which of the following statements are true?

Options:

A.

Before the restart of the original master switch is complete, the original slave switch is specified as the new standby switch.

B.

After the original master switch restarts, it becomes the new master switch.

C.

After the original master switch restarts, the original standby switch becomes a new slave switch.

D.

Before the restart of the original master switch is complete, the original standby switch becomes the new master switch.

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Questions 12

Match the following IPv4 multicast protocols with the corresponding functions.

Options:

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Questions 13

An IP prefix list is configured on a router using the following command:

ip ip-prefix huawei index 10 permit 10.1.1.0 24 greater-equal 26

In this case, the value of greater-equal-value is ____, and the value of less-equal-value is ____.

Options:

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Questions 14

On an OSPF network, all OSPF routers generate Router LSAs. If the E bit in a Router LSA is set to 1, the router that generates this LSA is a/an ______.

Options:

A.

ABR

B.

IR

C.

ASBR

D.

DR

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Questions 15

As shown in the figure, SWA, SWB, and SWC run the Rapid Spanning Tree Protocol (RSTP). What are the roles of SWB's GE0/0/2 and SWC's GE0/0/1?

Options:

A.

Backup port, alternative port

B.

Alternative port, backup port

C.

Backup port, root port

D.

Root port, designated port

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Questions 16

On an STP network, only the designated port processes inferior BPDUs. On an RSTP network, a port with any role processes inferior BPDUs.

Options:

A.

TRUE

B.

FALSE

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Questions 17

On a network, each router has a local core routing table and protocol routing tables. A routing entry in the local core routing table has multiple key fields. Which of the following are included?

Options:

A.

Destination address of a route

B.

Routing protocol preference of a route

C.

Inbound interface that learns a route

D.

Routing protocol that learns a route

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Questions 18

VRF, also called VPN instance, is a network virtualization technology that helps VPN technology to isolate users. In normal cases, multiple VPN instances can be created on a physical device, and each VPN instance has independent entries. Which of the following resources can be independently owned by a VPN instance?

Options:

A.

Interface

B.

Routing table

C.

MAC address table

D.

Routing protocol process

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Questions 19

A network entity title consists of an area address and a system ID. It is a special NSAP (the SEL has a fixed value of 00) and is mainly used for route calculation.

Options:

A.

TRUE

B.

FALSE

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Questions 20

Both MQC and PBR can be applied on device interfaces to filter received and sent packets or control packet forwarding paths.

Options:

A.

TRUE

B.

FALSE

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Questions 21

ASPF enables the firewall to support multi-channel protocols such as FTP and to define security policies for complex applications.

Options:

A.

TRUE

B.

FALSE

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Questions 22

As shown in the figure, SWA, SWB, SWC, and SWD run the Rapid Spanning Tree Protocol (RSTP). Which of the following statements are true?

Options:

A.

Once receiving OPOUs, the edge port re-partlci pates in the calculation of the spanning tree.

B.

After a port is Configured as an edge port, the port can quickly enter the Forwarding state.

C.

You can enable the edge port on SWD's GEO/0/2 connected to the terminal so that this port can quickly enter the Forwarding state.

D.

You can enable the edge port on SWC's GE0/0/2 connected to the terminal so that this port can quickly enter the forwarding state.

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Questions 23

An enterprise office network runs OSPF and is divided into multiple OSPF areas. Enterprise network engineers can configure route summarization on ASBRs to reduce the number of inter-area Type 3 LSAs, which in turn reduces the routing table size and improves device resource utilization.

Options:

A.

TRUE

B.

FALSE

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Questions 24

Which of the following statements regarding Local-Preference in BGP is true?

Options:

A.

Local-Preference affects traffic that enters an AS.

B.

Local-Preference can be transmitted between ASs.

C.

The default Local-Preference value is 100.

D.

Local-Preference is a well-known mandatory attribute.

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Questions 25

On an IS-IS network, each device needs to be configured with a network entity title (NET), which consists of three parts, each containing different fields. Which of the following fields are contained in the Area Address part?

Options:

A.

High Order DSP

B.

AFI

C.

IDI

D.

System ID

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Questions 26

As shown in the figure, VRRP is associated with a BFD session. When a backup device detects a fault through BFD, the backup device immediately assumes the master role after the Master_Down_Timer timer expires.

Options:

A.

TRUE

B.

FALSE

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Questions 27

Which of the following statements regarding the firewall zone security level is false?

Options:

A.

The configured security level cannot be changed.

B.

Two zones cannot be configured with the same security level.

C.

The default security level of the new zone is 1.

D.

Only the security level of the user-defined zone can be configured.

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Questions 28

IGMP group entries play an important role in multicast forwarding. An administrator runs a command to view information about a multicast entry. The information is as follows:

sql

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display igmp group

Interface group report information

Vlanif100(10.1.6.2):

Total 1 IGMP Group reported

Group Address Last Reporter Uptime Expires

225.1.1.2 10.1.6.10 00:02:04 00:01:17

Given this, which of the following statements are true?

Options:

A.

This entry can be used to construct the corresponding (S, G) entry.

B.

This entry is created when the device receives an IGMP Join message from a user.

C.

Expires indicates the aging time of the IGMP group.

D.

225.1.1.2 is the address of the group that the user joins.

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Questions 29

An ACL can be used to match routes or data, but cannot be used to match both the IP address prefix length and mask length.

Options:

A.

TRUE

B.

FALSE

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Questions 30

IGMPV3 not only supports IGMPv1 General Query and IGMPv2 Group-Specific Query, and also IGMPv3 Source/Group-Specific Query.

Options:

A.

TRUE

B.

FALSE

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Questions 31

Which of the following scenarios is not suitable for deploying interface PBR?

Options:

A.

A core switch needs to forward traffic between the intranet and extranet to an AC device that connects to the core switch in off-path mode.

B.

A core switch needs to forward the traffic between the intranet and extranet to a security detection device that connects to the core switch in off-path mode.

C.

A device needs to modify the next-hop IP address for locally originated traffic.

D.

On an enterprise network with multiple ISP outbound interfaces, each internal network segment accesses the Internet through a particular ISP outbound interface.

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Questions 32

On an OSPF network, LSDBs are used to store LSAs. Common LSAs include router LSAs and network LSAs. Which of the following items is not included in the 3-tuple that is used to uniquely identify an LSA?

Options:

A.

LS Sequence Number

B.

Link State ID

C.

Advertising Router

D.

LSType

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Questions 33

On an OSPF network, interfaces are classified into four types based on link layer protocols. Which of the following types can interfaces on an IS-IS network be classified into based on physical links?

Options:

A.

P2P

B.

Broadcast

C.

P2MP

D.

NBMA

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Questions 34

BGP is generally applied to complex networks where routes change frequently. Frequent route flapping consumes a large number of bandwidth and CPU resources, and even affects the normal operation of the network. This is an unavoidable problem that cannot be solved in BGP.

Options:

A.

TRUE

B.

FALSE

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Questions 35

In BGP, the origin attribute of the routes imported using the import-route command is incomplete.

Options:

A.

TRUE

B.

FALSE

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Questions 36

A firewall receives a packet that PC1 sends to PC2. Which of the following statements are true?

Options:

A.

The packet does not match any security policy.

B.

The packet matches security policy rule 1, and the firewall forwards the packet.

C.

No source or destination security zone is specified in security policy rule 2, indicating that any security zone is a match.

D.

The packet matches security policy rule 1, and the firewall discards the packet.

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Questions 37

STAs stay on different subnets before and after Layer 3 roaming. To enable the STAs to access the original network after roaming, network engineers need to configure user traffic to be forwarded to the original subnet over a CAPWAP tunnel.

Options:

A.

TRUE

B.

FALSE

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Questions 38

A Huawei firewall by default creates security zones named untrust, dmz, _________ and local. (Use Lowercase letters.)

Options:

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Questions 39

Route summarization is a mechanism that combines multiple routes. BGP supports automatic summarization and manual summarization on IPv6 networks.

Options:

A.

TRUE

B.

FALSE

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Questions 40

In the SNMP management model, which of the following elements defines the attributes of a managed device?

Options:

A.

MIB

B.

Agent

C.

Managed Object

D.

NMS

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Questions 41

ASBRs cannot exist in an OSPF stub area.

Options:

A.

TRUE

B.

FALSE

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Questions 42

Which of the following statements regarding OSPF route summarization commands are true?

Options:

A.

The asbr-summary command is executed in the OSPF view.

B.

The abr-summary command is executed in the OSPF area view.

C.

Advertise is the default parameter of the abr-summary command. That is, if not-advertise is not specified in the abr-summary command, the advertise parameter takes effect by default.

D.

Not-advertise is the default parameter of the abr-summary command. That is, if advertise is not specified in the abr-summary command, the not-advertise parameter takes effect by default.

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Questions 43

On a broadcast IS-IS network shown in the following figure, a DIS needs to be elected to create and update pseudonodes. Which of the following routers is elected as the DIS?

Options:

A.

R1

B.

R3

C.

R4

D.

R2

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Questions 44

If a router ID is configured in both the system via and the BGP view, BGP uses the router ID configured in the BGP view because the BGP view takes precedence over the system view.

Options:

A.

TRUE

B.

FALSE

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Questions 45

In PIM-DM, which of the following processes are involved in SPT establishment?

Options:

A.

Prune

B.

Graft

C.

Flooding

D.

State-refresh

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Questions 46

What parameters can a DHCP6 server assign to a DHCPv6 client?

Options:

A.

Gateway address

B.

DNS server address

C.

IPV6 address/prefix

D.

SNTP server address

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Questions 47

BGP can select routes based on the AS_Path attribute. Therefore, in some cases, a route-policy needs to be used to modify the AS_Path attribute for route selection. Which of the following parameters can be specified in the apply as-path command for a route-policy to modify this attribute?

Options:

A.

Delete

B.

Additive

C.

Copy

D.

Overwrite

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Questions 48

ACLs are a common matching tool in routing policies. An ACL can be configured on a router to match routes.

Options:

A.

TRUE

B.

FALSE

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Questions 49

To enable PC1 to access PC2 using the IP address of the firewall's GE0/0/2, you need to configure NAPT for source address translation. In the following figure, fill in the blank to complete the command.

Options:

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Questions 50

On an OSPF network, routers learn routing information on the entire network by exchanging LSAs. Which of the following values is the LS Age in the LSA header when an LSA is deleted?

Options:

A.

1800s

B.

3600s

C.

1200s

D.

600s

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Questions 51

On an OSPF network, if a router receives an update of an LSA that exists in the local LSDB, the router updates the LSDB and floods the LSA.

Options:

A.

TRUE

B.

FALSE

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Questions 52

A filter named si is configured on a device using the as-path-filter command and is applied to a specified BGP peer. The detailed configurations are as follows:

csharp

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[SW1] ip as-path-filter si permit _65500$

[SW1] bgp 65100

[SW1-bgp] ipv4-family unicast

[SW1-bgp-af-ipv4] peer 10.1.1.2 as-path-filter si import

After the configuration is complete, which of the following statements is true about the way the local device processes the routes received from the peer?

Options:

A.

It accepts only the routes whose AS_Path contains AS 65500.

B.

It accepts only the routes originated from AS 65500.

C.

It accepts only the routes that last pass through AS 65500.

D.

It accepts only the routes forwarded by AS 65500.

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Questions 53

ICMPv6 messages are classified as error or informational messages.

Options:

A.

TRUE

B.

FALSE

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Questions 54

Which of the following is the default interval at which the DIS on a broadcast IS_IS network sends CSNPs.

Options:

A.

30

B.

3.3

C.

10

D.

40

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Questions 55

GRE is a Layer 2 VPN encapsulation technology that encapsulates packets of certain data link layer protocols so that the encapsulated packets can be transmitted over an IP network.

Options:

A.

TRUE

B.

FALSE

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Questions 56

Which three transmission modes are supported for IPv4 packets?

Options:

A.

Anycast

B.

Broadcast

C.

Unicast

D.

Multicast

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Questions 57

As a next-generation wireless technology, Wi-Fi 6 greatly improves bandwidth rate and performance. Which of the following statements is false about the features of Wi-Fi 6?

Options:

A.

Uses OFDMA technology to achieve high concurrency.

B.

Realizes zero latency, ensuring efficient service running.

C.

Provides high bandwidth, up to 9.6 Gbps.

D.

Uses TWT technology to reduce terminal power consumption.

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Questions 58

Which of the following statements regarding multicast MAC addresses are false?

Options:

A.

One multicast MAC address maps to 32 multicast IP addresses.

B.

One multicast MAC address maps to only one multicast IP address.

C.

The high 24 bits of the multicast MAC address are 0x01005E, the 25th bit is fixed to 1, and the lower 23 bits of the MAC address map to the lower 23 bits of the multicast IP address.

D.

A multicast MAC address identifies receivers of a multicast group on the data link layer.

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Questions 59

BFD provides fast fault detection independent of media and routing protocols. To use this mechanism to detect link connectivity, devices at both ends must support this feature.

Options:

A.

TRUE

B.

FALSE

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Questions 60

On an STP network, the root bridge, root port, and designated port are elected in sequence. The election rules of these ports are different. List the steps for electing the root port in sequence.

Options:

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Questions 61

Which of the following statements regarding the LSA age field are true?

Options:

A.

The unit of this field is seconds. In a LSDB, the LS age of a LSA increases with time.

B.

If the LS age of a LSA has reached the LSRefreshTime (30 minutes), any router can regenerate an instance of this LSA again.

C.

The unit of this field is seconds. In a LSDB, the LS age of a LSA decreases with time.

D.

If the LS age of a LSA has reached the LSRefreshTime (30 minutes), the originator of this LSA needs to regenerate an instance of this LSA again.

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Questions 62

Which of the following statements about multicast packet forwarding is true?

Options:

A.

If a multicast data packet fails the RPF check, the packet must have been received through a sub-optimal interface. However, this interface still receives and forwards the multicast traffic downstream.

B.

IGMP snooping cannot control the scope of multicast traffic flooding on a Layer 2 network.

C.

The source address of a multicast packet is a unicast address.

D.

In multicast transmission, the destination address of a packet can be the unicast address of a host.

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Questions 63

During routine O&M, the administrator checks the IGMP configuration on a router interface. The configuration is as follows:

display igmp interface

Interface information of VPN-Instance: public net

GigabitEthernet0/0/1(192.168.1.1):

IGMP is enabled

Current IGMP version is 2

IGMP state: up

IGMP group policy: none

IGMP limit: -

Value of query interval for IGMP (negotiated): -

Value of query interval for IGMP (configured): 60 s

Value of other querier timeout for IGMP: 0 s

Value of maximum query response time for IGMP: 10 s

Querier for IGMP: 192.168.1.1 (this router)

Given this, which of the following statements are true?

Options:

A.

The IP address of the interface is 192.168.1.1.

B.

The IGMP version is IGMPv2.

C.

The maximum response time to Query messages is 10s.

D.

The interval for sending Group-Specific Query messages is 60s.

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Questions 64

A switch running a later IGMP version can identify Report messages of an earlier IGMP version, but the switch running an earlier IGMP version cannot identify Report messages of a later IGMP version. To ensure that IGMP runs properly, you are advised to set the IGMP version on the switch to be the same as or later than the IGMP version of member hosts.

Options:

A.

TRUE

B.

FALSE

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Questions 65

When two routers exchange LSDB information using DD packets, a master/slave relationship is formed first, the router with a larger router ID is the master, and determine the MS bit.

Options:

A.

TRUE

B.

FALSE

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Questions 66

Link aggregation is a common network technology. Which of the following are advantages of link aggregation?

Options:

A.

Load balancing

B.

Improved reliability

C.

Increased link bandwidth

D.

Route backup

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Questions 67

In an IPv4 address space, Class D addresses are used for multicast. Among Class D addresses, which of the following is the permanent group address range reserved for routing protocols?

Options:

A.

232.0.0.0 to 232.255.255.255

B.

239.0.0.0 to 239.255.255.255

C.

224.0.0.0 to 224.0.0.255

D.

224.0.1.0 to 231.255.255.255

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Questions 68

This configuration is part of RTA configuration. Which of the following statements regarding the configuration are true?

[RTA] ospf 100

[RTA-ospf-100]silent-interface GigabitEthernet 1/0/0

Options:

A.

RTA cannot establish a neighbor relationship with the neighbor that this interface is directly connected to.

B.

GigabitEthernet 1/0/0 is prohibited from sending OSPF packets.

C.

Direct routes of GigabitEthernet 1/0/0 can still be advertised.

D.

This interface cannot send Hello packets.

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Questions 69

The traffic limiting policy feature only supports the number of connections initiated by the specified IP or the number of connections received.

Options:

A.

TRUE

B.

FALSE

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Questions 70

When receiving a packet, a router matches the packet against ACL rules. The ACL matching result is either Matched or Unmatched. If the matching result is Unmatched, which of the following are possible causes?

Options:

A.

All rules are traversed but no matching rule is found.

B.

The packet matches an ACL rule with the deny action.

C.

No ACL is configured on the device.

D.

An ACL is configured but it does not contain any rules.

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Questions 71

A BGP device receives a route carrying an unknown attribute from a peer but does not know whether other devices need the attribute. In this case, the BGP device retains this attribute when advertising the route to other peers. Which of the following attributes is of this type?

Options:

A.

Community

B.

AS.Path

C.

MED

D.

OriginatorID

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Questions 72

As shown in the figure, data traffic is forwarded in tunnel mode along the path of STA -> HAP -> HAC -> upper-layer network before roaming. What is the flow direction of data traffic after Layer 3 roaming?

Options:

A.

STA -> FAP -> FAC -> HAC -> HAP -> HAC -> Upper-layer network

B.

STA -> FAP -> FAC -> HAC -> Upper-layer network

C.

STA -> FAP -> FAC -> Upper-layer network

D.

STA -> FAP -> FAC -> HAC -> HAP -> Upper-layer network

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Questions 73

In an OSPF routing domain, two routers must be specified as one DR and one BDR in a broadcast or NBMA network with at least two routers.

Options:

A.

TRUE

B.

FALSE

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Questions 74

The Next_Hop attribute in BGP records the next hop of a route. Similar to the next hop in an IGP, the Next_Hop attribute in BGP must be the IP address of a peer interface.

Options:

A.

TRUE

B.

FALSE

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Questions 75

In VRRP networking, if VRRP is not configured to track an uplink interface and the uplink interface or link of the master device in a VRRP group fails, no switchover will be triggered. As a result, a traffic blackhole occurs.

Options:

A.

TRUE

B.

FALSE

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Questions 76

A local router runs IS-IS and its command output is shown in the following figure. Which of the following statements is true?

Options:

A.

The circuit level of S4/0/0 is Level-1.

B.

S4/0/0 supports IPv6.

C.

S4/0/0 sends IIH packets at the interval of 30s.

D.

The cost of S4/0/0 is 20.

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Questions 77

Which command is used to configure the VRRP preemption delay?

Options:

A.

vrrp vrid 1 timer delay 20

B.

vrrp vrid 1 preempt-delay 20

C.

vrrp vrid 1 preempt-mode timer delay 20

D.

vrrp vrid 1 preempt-timer 20

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Questions 78

On an OSPF network, if two indirectly connected routers with the same router ID run in the same area, Type 1 LSA calculation fails.

Options:

A.

TRUE

B.

FALSE

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Questions 79

When multiple access channels are set for the same access requirement, the insecure access channels are not used and secure access channels are selected in normal cases. Which of the following are secure access channels?

Options:

A.

HTTPS

B.

Telnet

C.

SNMPv2

D.

SFTP

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Questions 80

On a BGP network, a route-policy can be used to modify route attributes. Which of the following statements is false about route-policies?

Options:

A.

When OSPF routes are imported using the import command, a route-policy can be used to change their default MED value.

B.

When direct routes are imported using the import command, a route-policy can be used to filter out the routes that you do not want to advertise.

C.

When routes are imported using the network command, a route-policy cannot be used to modify the attributes of the imported routes.

D.

In the address family view, the peer command can be run to reference a route-policy to modify the local preference of the routes to be advertised.

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Questions 81

Similar to the OSPF DR, the IS-IS DIS needs to be elected on a broadcast network. However, the OSPF DR is preemptive by default, whereas the IS-IS DIS is not preemptive by default.

Options:

A.

TRUE

B.

FALSE

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Questions 82

OSPF networks are classified into four types of networks by link layer protocol. Drag the following link layer protocols to the corresponding network types.(Token is reusable)

Options:

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Questions 83

A large shopping mall configures a VLAN pool to prevent network performance deterioration caused by potentially large broadcast domains. A network engineer runs the display vlan pool name STA command to check information about the VLAN pool. The following command output is displayed:

display vlan pool name STA Name : STA Total : 2 Assignment: hash Threshold Notify Count: 3 Threshold Notify time(min): 3 VLAN ID : 2 4

Which of the following statements are true?

Options:

A.

The VLANs with the IDs of 2 and 4 are added to the VLAN pool.

B.

The total number of VLAN pools is 2.

C.

The name of the VLAN pool is STA.

D.

The VLAN pool uses the even VLAN assignment algorithm.

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Questions 84

After which of the following parameters are modified does an IS-IS neighbor relationship need to re-established?

Options:

A.

The cost of an IS-IS interface is changed.

B.

The IP address of an ISIS interface is changed.

C.

The level of an ISIS interface is changed.

D.

The interval at which an IS-IS interface sends IIH packets is changed.

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Questions 85

On an OSPF network, Type 7 LSAs can be generated only by ASBRs in NSSAs or stub areas and describe AS-external routes.

Options:

A.

TRUE

B.

FALSE

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Questions 86

RSTP provides different functions in different scenarios. Which of the following statements Is false?

Options:

A.

After TC-BPDU attack defense function is enabled, you can set the number of times the switch processes TC BPDUs within a certain period

B.

The role of the designated port that is enabled with root protection cannot be changed

C.

If the edge port on the switch enabled with BPDU protection receives RST BPDU, the switch sets the edge port as a non-edge-port and triggers STP calculation

D.

When the designated port enabled with root protection receives optimal RST BPDUs, the port enters the Discarding state and does not forward packets. If the port does not receive optimal RST BPDUs within a certain period of time, the port will automatically restore to the Forwarding state

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Questions 87

STP ensures a loop-free network but has a slow network topology convergence speed, affecting communication quality. RSTP has made some improvements based on STP. Which of the following improvements is not included?

Options:

A.

If a port does not receive configuration BPDUs from the upstream device within four Hello intervals, the switch considers that the negotiation with the neighbor fails.

B.

The non-root switch running RSTP sends configuration BPDUs at the interval specified by the Hello timer, which is performed independently by each device.

C.

RSTP reduces five port states to three port states based on user traffic forwarding and MAC address learning.

D.

RSTP deletes three port states and adds two port roles.

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Questions 88

During routine operation and maintenance, an engineer checks the IGMP configuration on RTA. The configuration is as follows:

Interface information of VPN-Instance: public net

GigabitEthernet0/0/1 (192.168.1.1):

IGMP is enabled

Current IGMP version is 2

IGMP state: up

IGMP group policy: none

IGMP limit: -

Value of query interval for IGMP (negotiated): -

Value of query interval for IGMP (configured): 60 s

Value of other querier timeout for IGMP: 0 s

Value of maximum query response time for IGMP: 10 s

Querier for IGMP: 192.168.1.1 (this router)

Given this, which of the following statements is false?

Options:

A.

The IP address of the interface is 192.168.1.1.

B.

The maximum response time to Query messages is 10s.

C.

The interval for sending Group-Specific Query messages is 60s.

D.

The IGMP version is IGMPv2.

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Questions 89

The BFD (Bidirectional Forwarding Detection) state machine implements a three-way handshake for BFD session setup or teardown. Which of the following session states are involved in BFD session setup?

Options:

A.

Up

B.

AdminDown

C.

Init

D.

Down

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Exam Code: H12-821_V1.0
Exam Name: HCIP-Datacom-Core Technology V1.0
Last Update: Apr 2, 2025
Questions: 299
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