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QUESTION 1

Source-Specific Multicast (SSM)is being used throughout the HW IP Multicast network. Which of the following three
statements about SSM are true? (Choose three.)

A. SSM uses Shortest-Path Trees Only

B. There are no RPs to worry about

C. SSM is best suited for applications that are of the Many-to-Many category

D. SSM uses shared Trees only

E. The use of SSM is recommended when there are many sources and it is desirable to keep the amount of route
state in the routers in the network to a minimum.

F. SSM is best suited for applications that are of the one-to-many category

QUESTION 2

Regarding the logical model of the MPLS TTL pair, is the following description correct?

A. Pipe IP MPLS IP TTL 1 In MPLS TTL mode, when the message passes through the network, it is mapped to the field
at the ingress point.

B. MPLS TTL IP TTL MPLS A label, which has the same function as the header, can prevent the network from routing
the loop (as it is)

C. Uniform IP MPLS IP TTL 1 MPLS TTL mode is simulated. When the message passes through the network, the entry
point is reduced and the field is fixed to the value.

D. In the case of the MPLS VPN MPLS Ingress uniform, the private network text can be used in the reporting mode.

QUESTION 3

HW has a Frame Relay network with two sites (a headquarters site and a remote site) connected by a single PVC. RIP
version 2 is running in the network. A new remote site is added and HW has ordered a second PVC between this site
and the headquarters site. All Frame Relay interface IP addresses are in a single subnet.

The customer configured Frame Relay DLCI mappings and can successfully ping from the new remote to the headquarters site as well as to the other remote site. However, the new router does not have a route in its route table to the other remote site\’s LAN, and cannot ping the LAN interface or any hosts on that LAN.

What is most likely causing the problem?

A. Triggered updates should be configured on the headquarters router, to directly forward routing updates between the two remote sites

B. The headquarters site router has split-horizon enabled on the frame-relay interface

C. Neighbor statements are not configured on the two remote sites, pointing to all other sites

D. The frame-relay IP to DLCI mappings are incorrectly configured


E. RIP cannot propagate routing updates over a partial mesh frame-relay configuration, so another routing protocol
should be selected

QUESTION 4

Synchronization between LDP and IGP suppresses reachable IGP route advertisement to implement network
convergence and ensure LDP and IGP are along the same path. This minimizes traffic loss and improves network
reliability.

A. TRUE
B. FALSE

QUESTION 5

As shown in the figure, the R1 R2 ISIS R1 R2 ? neighbor relationship is established, and the data synchronization
the process with it is correct.

A. The message sent by the R1 R2 PSNP is a message.
B. The message sent by R1 R2 CSNP is a message.
C. The message sent by the R1 R2 LSP is a packet.
D. The message sent by R1 R2 Hello is the message.

QUESTION 6

The configurations of two routers in a company are shown. Which of the following statements regarding the routing table of R1 is true?

A. The IP routing entries whose destination network segment is 10.0.2.2/32 on R1 can be generated through OSPF only
when the IS-IS preference of R2 is changed to 5

B. If the IS-IS preference of R1 is changed of R1 is changed to 5, the IP routing entries whose destination network
the segment is 10.0.2.2/32 on R1 are generated through OSPF

C. If the IS-IS preference of R1 is changed to 5, the IP routing entries whose destination network segment is 10.0.2.2/32
on R1 are generated through IS-IS

D. If the IS-IS preference of R2 is changed to 5, the IP routing entries whose destination network segment is 10.0.2.2/32
on R1 are generated through IS-IS

QUESTION 7

Which of the following are key differences between RIP version 1 and RIP version 2? (Multiple Choice)

A. RIP version 2 uses multicasts while RIP version 1 does not

B. RIP version 1 supports authentication while RIP version 2 does not

C. RIP version 1 does not support VLSM while RIP version 2 does

D. RIP version 1 is distance vector while RIP version 2 is not

E. RIP version 1 uses hop counts as the metric while RIP version 2 uses bandwidth information

QUESTION 8

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?

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

QUESTION 9

In the shared network, which mechanism is used to prevent duplicate traffic PIM-SM?

A. Register mechanism
B. BSR/RP mechanism
C. Assert mechanism
D. Join/Prune mechanism

QUESTION 10

LAND\\’s attack means that the attacker sends a source address and a destination address to the target host. The target is marked as the source port and the destination port. SYN-ACK TCP report text, the receiving end is waiting for the sending end of the final message, and the connection is always connected in a semi-connected state, causing the
receiver to receive limited resources. Waste

A. Correct
B. Error

QUESTION 11

In a basic network packet layer, which information can be included (more?)

A. Data Road Department Chain Head
B. Upper data layer
C. Network Department
D. Path record
E. net tail layer

QUESTION 12

One of the VXLAN BD VNIs can have multiple correspondences
A. Correct
B. Error

QUESTION 13

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?

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

The correct answer is here:

Q1: ABF, Q2: B, Q3: B, Q4: A, Q5: B, Q6: C, Q7: AC, Q8: B, Q9: C, Q10: B, Q11: BC, Q12: B, Q13: B

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Following Questions and Answers are all new published by Pass4itSure dumps.

QUESTION 1

Which statements about the MUX VLAN configuration are true? (Choose two.)

A. VLAN 10 is the principal VLAN
B. VLAN 11 is the principal VLAN
C. VLAN 12 is the subordinate separate VLAN

QUESTION 2

Which of the following indicators are performance indicators of the Eudemon? (Choose three.)

A. Throughput of large-sized or small-sized packets
B. Number of the interface
C. VPN performance
D. Process delay

QUESTION 3

Which of the following statements about STP Designated Port is true?

A. Each of the bridge can have one Designated Port only.
B. Designated Port is responsible for forwarding packets to its connected network segments.
C. The only path leading to the Root Bridge is through Designated Port.
D. Designated Port forwards the data packet from its corresponding switch to the Root Switch.

QUESTION 4

According to the MSTP protocol, each MST instance calculates an independent spanning tree by using the RSTP
algorithm.

A. True
B. False

QUESTION 5

Which of the following statements regarding the MPLS forwarding process is false?

A. If an LSP fails to forward data, the MPLS control plane responsible for LSP setup can detect this error.
B. The main function of MPLS forwarding plane can add labels or delete labels from an IP packet, and forward the
received packets based on the label forwarding table. The forwarding plane is connection-oriented.
C. After an IP packet enters the MPLS network, the ingress LER will analyze the IP packet and add proper labels to the
packet.
D. MPLS can use Ping or Traceroute to detect LSP errors and locate faulty nodes.

QUESTION 6

Which of the following statements about the Smart Link group is false?

A. A Smart Link group has two interfaces at most. The two interfaces if configured are an active interface and a standby
interface.
B. Among the two interfaces in a Smart Link group, one is in the active state and the other one in the standby state in
normal situations.
C. When the active interface goes down, the Smart Link group automatically blocks it and changes the status of the
standby interface to active.
D. When the active interface recovers from a fault, traffic will be switched back to it immediately.

QUESTION 7

As shown in the figure, port 1 of switch A is configured with the Fixed mode, and other ports are configured with the
Normal mode. The trunk interfaces allow all VLANs. Which VLANs are registered on port 1 of switch C? (Choose
three
.)

A. VLAN 1
B. VLAN 5 to VLAN 10
C. VLAN 15 to VLAN 20
D. VLAN 25 to VLAN 30

QUESTION 8

Which statements about VLAN aggregation are true? (Choose three.)

A. “multiple” VLANs (broadcast domains) are on the same physical network; therefore, different VLANs belong to the
same subnet.
B. VLAN aggregation can save IP addresses.
C. Only the super VLAN requires an IP address, but sub-VLANs do not need.
D. The VLAN that is used to separate broadcast domains is called super VLAN.

QUESTION 9

The urgent pointer in the flag field of an IPv4 packet header is generally used for OOB data transmission.
A. True
B. False

QUESTION 10

When configuring VLAN mapping, you must set the priority of outer VLAN ID.

A. True
B. False

QUESTION 11

Which methods can be used to import local routes to BGP? (Choose two.)
A. Run the network command.
B. Receive routes from peers.
C. Run the summary automatic command.
D. Run the import command.

QUESTION 12

Which statement about VLAN is false?

A. VLAN tag contains a 3-bit priority field. The priority value ranges from 0 to 7. It is used for differentiated service
forwarding.
B. The priority in the VLAN tag can be mapped to the internal priority of the switch, for differentiated service forwarding.
C. The priority in the VLAN tag can be changed on the switch.
D. The priority in the VLAN tag cannot be changed.

QUESTION 13

Which of the following statements regarding the physical topology monitoring function of eSight are true? (Choose all
that apply.)

A. eSight displays the layout and status of NEs, subnets, and links on the GUI.
B. eSight supports visualized monitoring of the network-wide running status.
C. eSight displays the architecture of the entire network and relationship between network entities.
D. The physical topology monitoring provides an entry for unified network monitoring, improving OandM efficiency.

The correct answer is as follows:

Q1: AC, Q2: ABC, Q3: B, Q4: A, Q5: A, Q6: D, Q7: ABC, Q8: ABC, Q9: A, Q10: B, Q11: AD, Q12: D, Q13: ABCD

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QUESTION 1 #

VXLAN is irrelevant to SDN technology.

A. TRUE
B. FALSE

QUESTION 2 #

Congestion management uses queue scheduling to manage and control traffic when traffic congestion occurs.

A. TRUE
B. FALSE

QUESTION 3 #

Which of the following queue scheduling technologies is better in a fair manner?

A. WFQ
B. PQ
C. FIFO
D. RR

QUESTION 4 #

Which IP precedence value represents the critical service traffic?

A. 0
B. 2
C. 5
D. 6

QUESTION 5 #

Which of the following items is not the disadvantage of the traditional congestion avoidance mechanism (tail drop)?

A. Global TCP synchronization
B. High jitter and long delay
C. High cost
D. Packets are discarded without differentiating the priority

QUESTION 6 #

How is OPEX defined?

A. Maintenance cost
B. Total cost of ownership (TCO)
C. Operating cost
D. OandM costs

QUESTION 7 #

Which of the following statements regarding the trusted and untrusted zones are true? (Multiple Choice)

A. The direction for the access from the trusted zone to the untrusted zone is the outbound direction.
B. The direction for the access from the trusted zone to the untrusted zone is the inbound direction.
C. The security level of the trusted zone is 85.
D. The security level of the untrusted zone is 50.

QUESTION 8 #

Which QoS technology is usually used by congestion avoidance?

A. GTS
B. LR
C. CAR
D. WRED

QUESTION 9 #

During configuration of the WRED drop profile, the lower drop threshold and upper drop threshold for AF21 traffic are 35 and 40, the lower drop threshold and upper drop threshold for AF22 traffic are 30 and 40, and the lower drop threshold and upper drop threshold for AF23 traffic are 25 and 40. The maximum drop probability for AF21, AF22, and AF23 traffic is 10%. Before congestion occurs, which type of traffic can obtain bandwidth guarantee?

A. AF21
B. AF22
C. AF23
D. AF21, AF22, and AF23 traffic

QUESTION 10 #

Which information of labels is used for simple traffic classification?

A. DSCP priority
B. IP precedence
C. MPLS EXP priority
D. 802.1p priority

QUESTION 11 #

BFD is a universal fast detection technology that can implement fast switchover, so BFD does not need to be used with
other fast switching technologies.

A. TRUE
B. FALSE

QUESTION 12 #

Which of the following statements regarding the authentication domain of the Agile Controller are true? (Multiple Choice)

A. Authentication domain are classified into the pre-authentication domain, isolation domain, and post-authentication
domain.
B. A pre-authentication domain defines public network resources that users can access before passing identity
authentication in the area, for example, the DNS server, external authentication source, Service Manager, and Service
Controller.
C. An isolation domain defines resources that end-users passing identity authentication but failing the security check
can access. These resources such as the patch server and antivirus server can help end-users eliminate violations.
D. A post-authentication domain defines controlled network resources that end users can access after passing identity
authentication and security check, for example, the ERP system, financial system, and database.

QUESTION 13 #

Which of the following statements regarding VRRP load balancing are true? (Multiple Choice)

A. Multiple virtual routers can be configured on an interface of a router so that the router functions as the master of the virtual router and the backup of another virtual router.
B. In load balancing mode, multiple routers transmit service at the same time, so at least two or more virtual routers are required.
C. In load balancing mode, two or more VRRP groups are created, and multiple routers transmit services.
D. During priority configuration, the VRRP master of the three virtual routers can be on different routers.

Correct answer

Q1: A, Q2: A, Q3: A, Q4: C, Q5: B, Q6:A, Q7: AC, Q8: D, Q9: A, Q10: C, Q11: B, Q12: ABCD, Q13: CD

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QUESTION 1

If there are two BGP routes with the same destination address but different next hops in a BGP routing table, then which statement regarding the two BGP routes is true?

A. Both BGP routes are advertised to other BGP peers.
B. Only the optimal route between the two is advertised to other BGP peers.

QUESTION 2

What does the IP-prefix-filter “ip ip-prefix test index 10 deny 0.0.0.0 0 less-equal 32” mean?

A. Matching only default routes
B. Matching all routes
C. Denying only default routes
D. Denying all routes

QUESTION 3

The unicast and multicast technologies are both outstanding in solving the problem of “single source, multiple
destinations” in order to allow efficient P2MP data transmission.

A. TRUE
B. FALSE

QUESTION 4

Which types of packets are supported by BGP? (Select 3 answers)

A. Hello
B. Notification
C. Update
D. Route-refresh

QUESTION 5

On a broadcast network or an NBMA network, not all neighbors need to set up adjacencies with each other. Therefore,
the concept of establishing adjacency is applicable only to the broadcast network or the NBMA network.

A. TRUE
B. FALSE

QUESTION 6

Which statements regarding BGP well-known mandatory attributes are true? (Select 3 answers)

A. Well-known mandatory attributes must be recognized by all BGP routers.
B. Well-known mandatory attributes impacts the path decision process.
C. Well-known mandatory attributes are optional in an Update packet, and can be included in an Update packet as
needed.
D. Well-known mandatory attributes must be included in all Update packets.

QUESTION 7

Which of following BGP attributes is used to define a set of prefixes with same properties?

A. Origin
B. Nexthop
C. Community
D. MED

QUESTION 8

One route-policy may have several nodes with each node containing a node ID. Each node may also have multiple “ifmatch” and “apply” clauses. Which of the following statements are true? (Select 2 answers)

A. Different nodes are in an OR relationship.
B. Different nodes are in an AND relationship.
C. If-match clauses of a node are in an AND relationship,
D. If-match clauses of a node are in an OR relationship.

QUESTION 9

How does community attribute of the BGP route set by routing policies affect route selection?

A. The Community attribute directly affects route selection because it must be compared during the route selection
process.
B. The Community attribute does not affect route selection because it is non-transitive and cannot be transmitted
between routers.
C. Routes are classified by the Community attribute which indirectly affects route selection. Different route attributes
such as the Local-Preference and MED values can be set for routes in different communities.

QUESTION 10

What are the functions of an IGMFV2 Query message? (Select 3 answers)

A. A router sends IGMPv2 Query messages to collect group memberships of receiver hosts.
B. A router sends IGMPv2 Query messages to elect a querier.
C. A working router sends Query messages periodically.
D. Based on IGMPv2 Query messages, receiver hosts can unicast Report messages to the querier by obtaining its
address.

QUESTION 11

How many hosts are available per subnet if you apply a /21 mask to the class B network?

A. 510
B. 512
C. 1022
D. 2046

QUESTION 12

Which of the following is the address range assigned by IANA for SSM service in IPv4?

A. 232.0.0.0/24
B. 225.0.0.0/8
C. 232.0.0.0/8
D. 239.0.0.0/8

QUESTION 13

Which of the following routes matches the ACL filter given below? “acl number 2001 rule 0 permit source 1.1.0.0 0”

A. 1.1.1.1/32
B. 1.1.1.0/24
C. 1.1.0.0/16
D. 1.0.0.0/8

The correct answer is here

Q1: B, Q2: D, Q3: B, Q4: BCD, Q5: B, Q6: ABD, Q7: C, Q8: AC, Q9: C, Q10: ABC, Q11: D, Q12: D, Q13: C

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QUESTION 1

Which of the following statements regarding static and dynamic routing is incorrect?

A. The static route can be easily configured and managed on the enterprise network.
B. The use of dynamic routing is more convenient for the administrator to manage the network following network
convergence.
C. The static route can automatically recover when a link failure is encountered.
D. Dynamic routing will use more resources than static routes.
Correct Answer: C

QUESTION 2

When an IPsec tunnel is established between two routers, which of the following parameters does not need to be
consistent between IPsec peers?

A. The security protocol used
B. Data encapsulation mode
C. Proposal name
D. Authentication algorithm
Correct Answer: C

QUESTION 3

What is the number range of a basic ACL?

A. 2000-2999
B. 3000-3999
C. 4000-4999
D. 6000-6031
Correct Answer: A

QUESTION 4

What is the value of the Type field in RSTP configuration BPDUs?

A. 0×00
B. 0×01
C. 0×02
D. 0×03
Correct Answer: A

QUESTION 5

If the administrator wants to update the VRP of the AR2200 router, the correct method is (). (multiple choice)
A. The administrator configures the AR2200 as an FTP client to transfer VRP software through FTP.
B. The administrator configures the AR2200 as an FTP server to transmit VRP software through FTP.
C. The administrator configures the AR2200 as a TFTP server and transmits VRP software through TFTP.
D. The administrator configures the AR2200 as a TFTP client to transmit VRP software through TFTP.
Correct Answer: ABD

QUESTION 6

system-view [Huawei]command privilege level 3 view user save The correct statement about the above configuration
the command is ()

A. Modify the save command of a user to have a permission level of 3
B. Modify the permission level of the save command in the user view to 3
C. Modify the user view command to a permission level of 3 and save the configuration
D. Modify the user\’s permission level to 3 and save the configuration
Correct Answer: B

QUESTION 7

The ACL configuration shown above is completed on the router RTA, and the following description is correct (). [RTA]acl
2001 Huawei question bank battle report group: 434299778[RTA-acl-basic-2001]rule 20 permit source 20.1.1.0
0.0.0.255 [RTA-acl-basic-2001]rule 10 deny source 20.1.1.0 0.0.0.255

A. The VRP system will automatically adjust the order of the first rule in the order of configuration.
B. The VRP system does not adjust the sequence number, but will first match the rule of the first configuration. 20.1.1.0
0.0.0.255
C. Configuration error, the order number of the rule must be from small to large.
D. The VRP system will first match the second rule in order. deny source 20.1.1.0 0.0.0.255
Correct Answer: D

QUESTION 8

When RIPv1 is enabled on the Huawei router, the interface that is advertised to the RIP receives the RIPv1 broadcast
packet, the RIPv2 broadcast packet, and the multicast packet by default.

A. Yes
B. Wrong
Correct Answer: A

QUESTION 9

Source Destination Protocol Info
10.0.12.1 10.0.12.2 TCP 50190 > telnet [SYN] Seq=0 Win=8192 Len=0 MSS=1460 10.0.12.2 10.0.12.1 TCP telnet>
50190 [SYN, ACK] Seq=0 Ack=1 Win=8192 Len=0 MSS=1460 10.0.12.1 10.0.12.2 TCP 50190 > telnet [ACK] Seq=1
Ack=1 Win=8192 Len=0 Refer to the capture output.

The administrator has captured three packets in the network. Which statement regarding the captured packets is incorrect?

A. These packets represent a TCP three-way handshake process.
B. 10.0.12.1 is the telnet server, while 10.0.12.2 is the telnet client.
C. The three packets contain no application data.
D. 10.0.12.1 uses port 50190 to build the telnet connection.
Correct Answer: B

QUESTION 10

One of the reasons that segment routing (SR) is introduced is that traditional LDP has some restrictions.
Which of the following statements about LDP restrictions are true?

A. LDP does not support automatic label allocation.
B. LDP supports path computation only based on IGP SPF (minimum cost), not based on traffic engineering.
C. LDP path computation depends on an IGP. If the IGP and LDP are not synchronized, black holes are generated,
affecting services.
D. LDP has 11 types of protocol packets, which greatly increases link bandwidth consumption and device CPU usage.
Correct Answer: CD

QUESTION 11

For DHCP, the priority of an interface address pool is higher than that of a global address pool.

A. True
B. False
Correct Answer: A

QUESTION 12

The company network engineer has an AR2200 that cannot be started normally. How can the administrator want to
update its VRP?

A. The administrator needs to use the console cable to connect to the router and host, and then enter the BootROM
interface to complete the upgrade.
B. The administrator needs to configure the AR2200 as an FTP client and use FTP to transfer the new
C. The administrator needs to configure the AR2200 to obtain an IP address through DHCP and then obtain the VRP
system file through TFTP.
D. The administrator needs to use telnet on the local host to remotely update the VRP system files of the device.
Correct Answer: B

QUESTION 13

OSPF allows for “multiple” processes. By default, OSPF selects a process whose number is ( ).

A. 0
B. 1
C. 10
D. 100
Correct Answer: B

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