QUESTION 161
The following is part of a NETCONF packet:

Among four layers of NETCONF, at which layer does this information reside?

A. Content layer
B. Messages layer
C. Transport layer
D. Operations layer

Correct Answer: B
QUESTION 162
YANG is a data modeling language for the definition of data sent over network management protocols such as NETCONF. Which of the following are basic YANG data models?

A. Set node
B. List node
C. Tree node
D. Leaf node

Correct Answer: BD
QUESTION 163
Before connecting an SSH client to an SSH server in public key authentication mode, a client needs to create a key pair. Which of the following commands is used to create a DSS key pair on the client using Git Bash?

A. ssh-keygen -t dss
B. ssh-keygen -t dsa
C. ssh-keygen -t rsa
D. ssh-keygen -t ecc

Correct Answer: A
QUESTION 164
If public key authentication is used in the SSH user authentication phase, the public key must be manually configured on the SSH server in advance.

A. TRUE
B. FALSE

Correct Answer: A
QUESTION 165
The telemetry network model is broadly and narrowly defined. Which of the following modules are involved in telemetry in a narrow sense (device-side telemetry)?

A. Data push
B. Data generation
C. Data subscription
D. Data source

Correct Answer: ABCD
QUESTION 166
Huawei Open Programmability System (OPS) uses HTTP methods to access managed objects to manage network devices. Drag the HTTP methods to their corresponding functions.
Select and Place:

Correct Answer:

QUESTION 167
An HTTP packet consists of three parts: start line, header fields, and body.

A. TRUE
B. FALSE

Correct Answer: A
QUESTION 168
IS-IS supports multi-instance and multi-process. Which of the following statements are correct about IS-IS muilti-instance and multi-process?

A. One IS-IS process can be associated with only one VPN instance.
B. One IS-IS process can be associated with multiple different VPN instances.
C. One VPN instance can be associated with multiple different IS-IS processes.
D. If multiple IS-IS processes are created on an IS-IS router, these processes are independent of each other.

Correct Answer: ACD

QUESTION 169
In the following figure, OSPF is enabled on all router interfaces. Given this, an OSPF virtual link can be established between R4 and R5.

A. TRUE
B. FALSE

Correct Answer: B
QUESTION 170
If a BFD session goes down, a direct link becomes disconnected.

A. TRUE
B. FALSE

Correct Answer: B
QUESTION 171
Which of the following statements is correct about the inter-AS MPLS L3VPN Option A solution?

A. Common IPv4 routes are transmitted between ASBRs.
B. VPN instances need to be created on ASBRs but do not need to be bound to interfaces.
C. ASBRs do not filter received VPNv4 routes based on VPN targets.
D. ASBRs do not maintain or advertise VPN-IPv4 routes, and PEs directly exchange VPN-IPv4 routes.

Correct Answer: A
QUESTION 172
In a BGP/MPLS TP VPN scenario, if a PE and CE use OSPF to exchange routing information, domain IDs are used to identify whether the routes imported to VPN

instances are from the same OSPF domain.

A. TRUE
B. FALSE

Correct Answer: A
QUESTION 173
To improve network security, all computers in a company use static MAC address binding. A host whose MAC address is 5489-98FD-7B7F is purchased. The network administrator runs the mac-address           5489-98FD-7B7F GigabitEthernet0/0/1 vlan 10 command to connect the host to the network.(Use lowercase letters to supplement the command, which cannot be abbreviated.)

Correct Answer: static
QUESTION 174
IPv6 is deployed on a campus network for service tests. In the initial phase of deployment, engineers want to use IPv6 static routes to implement network interconnection.
When creating an IPv6 static route, you can specify either or both the outbound interface and next hop.

A. TRUE
B. FALSE

Correct Answer: B
QUESTION 175
What is the default aging time of entries in seconds in the MAC address table on a Huawei switch?

A. 5
B. 500
C. 300
D. 400

Correct Answer: C
QUESTION 176
MACsec can provide secure services during MAC-layer data transmitting and receiving. Which of the following services is not provided by MACsec?

A. Integrity check
B. Controllability check

C. Data source authenticity verification
D. User data encryption

Correct Answer: B
QUESTION 177
Port isolation can be deployed on an Ethernet network to implement both Layer 2 communication and Layer 3 isolation, making the networking more flexible.

A. TRUE
B. FALSE

Correct Answer: B
QUESTION 178
OSPF is deployed on a campus network to implement network interconnection. The LSDB of R2 is shown in the figure. What can be determined from the LSDB?

A. Area 1 does not have Type 3 LSAs. The possible cause is that R2 filters Type 3 LSAs in the outbound direction of area 1.
B. Area 1 is an NSSA.
C. R2 translates Type 7 default route into Type 5 default route.
D. R2 advertises the default route in the OSPF process.

Correct Answer: B

QUESTION 179
Which of the following statements is incorrect about a multi-VPN-instance CE (MCE)?

A. On an MCE, you need to create a routing table for each VPN and bind interfaces with VPNs.
B. Users that connect to the same MCE but belong to different VPN instances cannot communicate with each other.
C. There must be multiple physical links between an MCE and a PE to isolate VPN instances.
D. An MCE can access multiple VPN instances in a BGP/MPLS IP VPN scenario, reducing customer device costs.

Correct Answer: C
QUESTION 180
By default, the domain ID of an OSPF process is the same as the process ID. You can run the domain-id command in the OSPF process view to change a domain ID.

A. TRUE
B. FALSE

Correct Answer: B