[2023年11月最新リリース]H12-831-ENU問題集でHCIP-Datacom認証 [Q77-Q100]

[2023年11月最新リリース]H12-831-ENU問題集でHCIP-Datacom認証

最新の完璧なH12-831-ENU問題集問題と解答で100%パスさせます

質問 # 77
There are different ways of MPLS encapsulation. Which of the following statements are correct about the encapsulation method?(Multiple choice)

A. ATM uses cell mode encapsulation
B. When encapsulating in cell mode, if the MPLS Header has been deactivated in the packet
C. Ethernet and PPP use frame mode encapsulation
D. MPLS encapsulation has frame mode and cell mode

正解：A、C、D

質問 # 78
A router's Network LSA is shown in the figure. Which of the following statements are correct? (Multiple choice)

A. The priority of router DR is 100
B. The Router ID of this router is 10.0.12.2
C. The network segment where the router is located is 10.0.12.0/24
D. This router is the DR

正解：B、C、D

質問 # 79
The three authorizations required for high-risk operations do not include:

A. Administrative Authorization
B. Administrative Authorization
C. Technology Authorization
D. Customer Authorization

正解：B

質問 # 80
As shown in the figure, to enable the traffic between Site1 and Site2 to pass through the Hub-CE, VPN instances on two Spoke-PEs have been configured. Two VPN instances need to be created on the Hub-PE. The instance VPN in is used to receive routes from Spoke-PE, and the instance VPN out is used to advertise routes to Spoke-PE. Please select Import RT and Export RT for these two instances respectively. .

正解：

解説：

質問 # 81
If faced with a complex network failure, and after evaluation, it is considered that the troubleshooting cannot be completed in a short time, and the user urgently needs to restore the availability of the network, which of the following approach is correct?

A. Always try to troubleshoot without informing the user of the current difficulty of the failure
B. Tell the user that this is not possible
C. Communicate with users whether it is possible to skip the faulty node and build an alternative network environment
D. Directly build an alternative network environment without notifying customers

正解：C

質問 # 82
After reset isis all is executed, the IS-IS protocol process needs to be restarted, the neighbors need to be re-established, and various IS-IS statistics will not be cleared.

A. FALSE
B. TRUE

正解：B

質問 # 83
Regarding the site in the BGP/MPLS IP VPN network architecture. Which of the following descriptions is correct?

A. A site is a group of IP systems, and a network composed of a host cannot be called a site
B. Under no circumstances can different sites belonging to the same VPN use overlapping address spaces
C. Terminals connected to the operator's network through the same C may belong to different sites (MCE)
D. The two networks that are geographically separated must belong to different sites

正解：C

質問 # 84
What is the most effective way to view device alarms through CLI?

A. display interface brief
B. display clock
C. display alarm
D. display current-configuration

正解：C

質問 # 85
Access control refers to restricting or blocking specific access traffic based on the needs of business management and control on the basis of reachable network routes.

A. False
B. True

正解：B

質問 # 86
Which description is correct about the characteristics of a high-availability network? (Multiple choice)

A. will not fail
B. Once a failure occurs, the business can only be restored through manual intervention
C. Quick recovery after failure
D. Cannot fail frequently

正解：C、D

質問 # 87
In an MPLS domain, LSR can be divided into Ingress LSR, Transit LSR and Egress LSR according to the different processing methods of LSR for data. For the same FEC, a certain LSR can be the Ingress LSR of the FEC or the FEC Transit LSR.

A. TRUE
B. FALSE

正解：B

質問 # 88
The configuration shown in the figure is performed on R2 to filter all received routes. Suppose that there is an AS Path attribute on R1 with an AS Path attribute of [100 200 300 400] that needs to be sent to R2. Please help the network administrator to adjust the route on R1. The order of AS's in the AS Path attribute ensures that routing entries are not filtered by R2's routing policy.

A. 0
B. 1
C. 2
D. 3

正解：A、B、C、D

質問 # 89
Which of the following descriptions about the LDP Sessioni establishment process is correct? (Multiple choice)

A. Two LSRs send Hello messages to each other. The Hello message carries the transport address, and the party with the larger transport address acts as the active party and initiates the establishment of a TCP connection.
B. The active party will send an Advertisement Message to negotiate relevant parameters for establishing an LDP session, including the LDP protocol version, label distribution method, Keepalive retention timer value, maximum PDU length, and label space.
C. If the Hello Messager does not carry the Transport Address
D. If the passive party can accept the relevant parameters, it will send an InitializationMessage and a Keepalive message to the active party.

正解：A、C、D

質問 # 90
When upgrading the device software, which of the following descriptions about the operation window time is wrong?

A. Determined by user service interruption time
B. The operating window time only needs to be informed to the network maintenance personnel, not to the users
C. To reserve a certain time for troubleshooting
D. The time must be greater than the execution time of the upgrade operation

正解：B

質問 # 91
Traditional BGP-4 can only manage IPV4 unicast routing information. MP-BGP extends BGP-4 in order to provide support for multiple network layer protocols. The feature that MP-BGP supports for IPv6 unicast networks is called BGP4+, and BGP4+ carries the next hop address information of the route through the Next Hop attribute.

A. False
B. True

正解：A

質問 # 92
The packet filtering firewall provides support for detecting fragmented packets. What are the fragmented packets that the packet filtering firewall can filter? (Multiple choice)

A. The first fragmented packet
B. Subsequent fragmented packets
C. Forged ICMP error message
D. Non-fragmented packets

正解：B、D

質問 # 93
Regarding the BGP MPLS IP VPN network architecture, which of the following descriptions is wrong?

A. The P device only needs to have basic MPLS forwarding capabilities, and does not maintain VPN-related information
B. The BGP/MPLS IP VPN network architecture consists of three parts: CE (Customer Edge), PE (ProviderEdge) and P (Provider). PE and P are operator equipment, and CE is BGP/MPLS IP VPN user equipment
C. Sites can access each other through VPN, and a site can only belong to one VPN
D. In general, CE devices cannot perceive the existence of VPN, and CE devices do not need to support MPLS, MP-BGP, etc.

正解：C

質問 # 94
Network administrator A wants to use ACL to match only the four routing entries 1, 3.5, and 7 in the figure. How many ACL rules does network administrator A need to configure at least?

A. 0
B. 1
C. 2
D. 3

正解：B

質問 # 95
Assume that for the packets marked as AF21, the WRED discard policy is set to set the lower limit to 35, the upper limit to 40, and the discard probability is 50%. Then when the packet of AF21 arrives, which description is wrong about the processing result of the packet by WRED? (Multiple choice)

A. If the average length of the current queue is greater than the upper limit of 40, the packet will be discarded
B. If the average length of the current queue is less than 35, the packet starts to be discarded
C. If the current queue average length is greater than the offline 35 and less than the upper limit of 40, the probability of the packet being discarded is 50%
D. If the average length of the current queue is greater than the upper limit of 40, the packet starts to enter the queue

正解：B、D

質問 # 96
Regarding the description of OSPF's neighbor relationship failure, which of the following statements is false?

A. For a pair of DR Others on an Ethernet link
B. The two router databases are synchronized, and an error occurs in the SPF calculation. It must be because the router ID is duplicated
C. Stalling in ExStart state may be due to MTU mismatch between neighboring routers
D. Stalling in the lnit state indicates that the router has received the neighbor's Hello packet, but the Hello packet does not contain the OSPF Router ID of the router

正解：B

質問 # 97
What are the advantages of NFV? (Multiple choice)

A. Network devices can have a unified version and unified management distance
B. A single platform provides services for different applications and tenants
C. Shorten the innovation cycle of network operation services
D. Reduce equipment cost

正解：B、C、D

質問 # 98
A park has deployed IPv6 for service testing. There are 4 routers (R1, R2, R3 and R4) in the network, running OSPFV3 to realize the interconnection of the IPv6 network. A new router R5 needs to be connected to the network for testing. An engineer introduces a direct route in the OSPFV3 process of R4 so that devices in the campus network can access the GE0/0/1 port address of R5.

Which of the following statements about the scene is true? (Multiple choice)