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Huawei H12-891_V1.0 Exam Syllabus Topics:

Huawei HCIE-Datacom V1.0 Sample Questions:

1. When a client invokes the iMaster NCE-Campus RESTful API, it sends an HTTP request. The server then returns the status code 401.
Which of the following errors has occurred?

A) Unauthorized.
B) Access denied.
C) The requested resource does not exist.
D) The service is unavailable.

2. Refer to the following command output on the router R1. Which of the following statements is incorrect?
<R1> display interface Tunnel
Tunnel0/0/0 current state : UP
Line protocol current state : UP
Last line protocol up time : 15:21:23 UTC-08:00
Description: ! 0.0.3.3
Route Port, The Maximum Transmit Unit is 1500
Internet Address is 20.1.1.1/24
Encapsulation is TUNNEL, loopback not set
Tunnel source 10.0.1.1 (LoopBack0), destination 10.0.3.3
Tunnel protocol/transport GRE/IP, key disabled
keepalive disabled
Checksumming of packets disabled
Current system time: 15:21:37-08:00
300 seconds input rate 0 bits/sec, 0 packets/sec
300 seconds output rate 0 bits/sec, 0 packets/sec
13 seconds input rate 0 bits/sec, 0 packets/sec
13 seconds output rate 448 bits/sec, 0 packets/sec
9 packets output, 824 bytes
0 output error
Input bandwidth utilization : -
Output bandwidth utilization : -

A) The destination IP address of the tunnel is 10.0.3.3.
B) Keepalive detection is enabled on the tunnel.
C) Key authentication is disabled for the tunnel.
D) The tunnel is a GRE tunnel.

3. Which of the following is the type of northbound API used by iMaster NCE-WAN?

A) CLI
B) SNMP
C) RESTful
D) NETCONF

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

5. During WLAN planning and design, channels 1, 6, and 11 are recommended on the 2.4 GHz frequency band, and channels 1, 5, 9, and 13 are recommended in high-density scenarios. On the 5 GHz frequency band, it is recommended that high-frequency and low-frequency channels of adjacent APs be staggered to prevent overlapping.

A) TRUE
B) FALSE

Solutions: