In the following figure, all routers are running OSPF. Given this, which of the following statements is correct?

• A.R2 forwards the Router-LSAs generated by R1 to R3.
• B.R2 forwards the Router-LSAs generated by R3 to R1.
• C.R2 generates Router-LSAs only in area 0.
• D.R2 generates Router-LSAs in both area 1 and area 0.

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As shown in the figure, Department A of Branch 1 has access to the Internet, but Department B can only use an encrypted VP to access headquarters resources, and NAT can be configured on the egress device The policy enables Department A to access the Internet, while the PSecVPN (ESP Protocol) + Tunnel mode method configured for Department B gives it access to headquarters.

• A.Wrong
• B.Right

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Huawei Open Programmability System (OPS) uses HTTP methods to access managed objects to manage network devices. To facilitate script compilation, Huawei OPS provides the Python script template. In the Python script template, what are the contents of the Content-type and Accept fields in the header of an HTTP request packet?

• A.text/xml, text/json
• B.text/json, text/json
• C.text/xml, text/xml
• D.text/json, text/xml

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Which of the following statements about the SP scheduling algorithm is incorrect?

• A.If the SP scheduling algorithm is used and a high-priority queue occupies a large amount of bandwidth, the low-priority queue may be starved.
• B.The SP scheduling algorithm preferentially schedules high-priority queues.
• C.When the SP scheduling algorithm is used to schedule multiple low-priority queues, the data packets that enter the queue first are forwarded first.
• D.To ensure the quality of key services, the SP algorithm can be used to schedule services and set the minimum bandwidth.

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Refer to the following command output on the router R1. Which of the following statements isincorrect?
<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.Key authentication is disabled for the tunnel.
• B.The destination IP address of the tunnel is 10.0.3.3.
• C.The tunnel is a GRE tunnel.
• D.Keepalive detection is enabled on the tunnel.

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