| Exam Code/Number: | GB0-391Join the discussion |
| Exam Name: | Constructing Secure optimized WANs v2.0 |
| Certification: | H3C |
| Question Number: | 468 |
| Publish Date: | Jun 04, 2026 |
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The four routers R1 , R2 , R3, and R4 are connected in sequence, and Loopback0 interfaces are created on R1 and R4 , and the interface addresses are 1.1.1.1 and 4.4.4.4 respectively.The four devices are configured with dynamic routing protocols to ensure Loopback0 of R1 and R4 .The address is reachable, and a GRE Tunnel is established between R1 and R4 .Check the tunnel interface information on R1 as follows:
[R1]displa interface Tunnel 0
Tunnelo current state: UP
Line protocol cu rrent state: UP
Description: Tunnelo Interface
The Maximum Transmit Unit is 1476
Internet Address is 10.0.0.1/30 Primar
Encapsulation is TUNNEL , aggregation ID not set
Tunnel source l.1.1.1 , destination 4.4.4.4
Tunnel keepalive disable
Tunnel protocol/transp ort GRE/IP
GRE ke disabled
Checksumming of GRE packets disabled
Last 300 seconds input: 2 btes/sec , 0 packets/sec
Last 300 seconds output: 2 btes/sec , 0 packets/sec
15 packets input , 840 btes
0 input error
27 packets output , 1248 btes
0 0utput error
At this time, if the link between R2 and R3 is interrupted , the following statement is correct.
In the VoIP network, the bandwidth saved by VAD technology has nothing to do with which of the following solid elements
Among the broadband access transmission media, the highest achievable transmission rate is ____ .
The business transmission between departments of an enterprise needs to adopt IPSec to provide end-to-end security protection, and data must be encrypted for transmission.
According to the requirements of the enterprise's business transmission security, which working mode and encapsulation protocol should IPSec use ? ( Choose one or more )
In the L2TP networking, there are three ways for LNS to authenticate users: proxy authentication, mandatory CHAP authentication and LCP renegotiation.The highest priority is ____ .
