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NEW QUESTION # 90
In Huawei's WAN solution, regarding the issue of "blurry and stuttering video conferencing across regions," which of the following troubleshooting steps should be performed first?
- A. Check if the video conferencing traffic is configured with the DSCP EF flag (high priority).
- B. Check if the memory usage of the branch equipment is too high.
- C. Check if the DNS configuration of the CE device is correct.
- D. Check if public internet services are consuming excessive bandwidth.
Answer: A
NEW QUESTION # 91
In a wide area network (WAN) BGP protocol deployment, if it is necessary to "set the Local Preference property of EBGP neighbor routes to a higher value so that they are selected first", which of the following strategies should be configured?
- A. Configure BGP neighbor MD5 authentication
- B. Apply a prefix-list to filter routes in the outbound direction of BGP neighbors.
- C. Apply route-policy to the BGP neighbor inbound direction and set Local Preference.
- D. Enable BGP route aggregation, merge routes, and then modify their properties.
Answer: C
NEW QUESTION # 92
In Huawei's WAN bandwidth optimization solution, for " office documents (such as Word and Excel) transmitted across regions", which of the following technologies can "reduce the transmission of duplicate files and improve efficiency"?
- A. Sort by file size and transfer smaller files first.
- B. Compress the file before transmission without changing the number of transmissions.
- C. Transfer all files directly without performing duplicate checks.
- D. Duplicate file filtering based on file fingerprints (files that have already been transmitted will not be transmitted again).
Answer: D
NEW QUESTION # 93
In Huawei's WAN solution, regarding the issue of "echoes in cross-regional voice services (VoIP)," which of the following troubleshooting steps should be performed first?
- A. Check if the MPLS LSP of the PE device is established.
- B. Check if echo cancellation is enabled on the VoIP gateway.
- C. Check if the link bandwidth is sufficient.
- D. Check if the routing table of the CE device includes the VoIP server network segment.
Answer: B
NEW QUESTION # 94
In an MPLS VPN network, which of the following configurations is NOT a necessary condition for
"CE devices and PE devices to exchange routes via BGP "?
- A. Configure BGP VPNv4 address family on the PE device.
- B. Configure routing policies on the CE device to advertise local routes to the PE device.
- C. Configure BGP neighbors on the D.P device to transmit routes between CE and PE.
- D. The BGP neighbor relationship between the CE and PE devices has been configured and successfully established.
Answer: C
NEW QUESTION # 95
In Huawei's WAN bandwidth management solution, which of the following functions can "classify and label traffic of different application types to provide a basis for subsequent QoS scheduling"?
- A. Link aggregation
- B. Application identification and tagging (e.g., DSCP tagging)
- C. Bandwidth quota allocation
- D. Deduplication
Answer: B
NEW QUESTION # 96
In a wide area network (WAN) OSPF deployment, if it is necessary to "merge multiple detailed routes within an OSPF area into a single summarized route to reduce routing table entries", which of the following should be configured?
- A. OSPF NSSA area
- B. OSPF Regional Authentication
- C. OSPF route aggregation (Summarization)
- D. OSPF Virtual Link
Answer: C
NEW QUESTION # 97
In Huawei's SD-WAN solution, which of the following functions can "monitor the status of the VPN tunnel between branches and headquarters in real time (such as establishment/disconnection, encryption algorithm)"?
- A. Service Traffic Bandwidth Statistics
- B. Equipment hardware resource monitoring
- C. VPN Tunnel Status Monitoring and Alerts
- D. Link Quality Probe (LQM)
Answer: C
NEW QUESTION # 98
In Huawei's WAN bandwidth optimization solution, for "high-definition video surveillance streams transmitted across regions," which of the following technologies can "reduce bandwidth usage while ensuring video clarity"?
- A. Reducing the video frame rate causes stuttering.
- B. Transmit the raw video stream directly without compression.
- C. Reduce video resolution, sacrificing clarity for bandwidth.
- D. H.265-based video compression technology (saving 50% bandwidth compared to H.264)
Answer: D
NEW QUESTION # 99
In the OSPF protocol for wide area networks, what is the function of Type 4 LSA (ASBR Summary LSA)?
- A. Describes external routing information for the AS and propagates it throughout the AS.
- B. Describes the location information of the ASBR, used by routers within the area to locate the ASBR.
- C. Describes router information within the network and propagates it within the area.
- D. Describe summarized routes between areas to reduce routing table entries.
Answer: B
NEW QUESTION # 100
In Huawei's SD-WAN solution, which of the following technologies can "enable configuration backup and automatic recovery of branch devices, avoiding configuration loss"?
- A. Do not perform configuration backups; reconfigure if lost.
- B. Backups are only sent to the headquarters management platform; automatic recovery is not supported.
- C. Configure manual backup to local storage, and manually import if lost.
- D. SD-WAN configuration automatic backup and restore (scheduled backup, automatic restore if configuration is lost)
Answer: D
NEW QUESTION # 101
In Huawei's SD-WAN solution, for the scenario of " multi-tenant sharing SD-WAN network", which of the following technologies can "ensure that the service traffic and configuration of different tenants are completely isolated"?
- A. Create a separate SD-WAN tenant instance (with independent routing and bandwidth) for each tenant.
- B. Filtering tenant traffic only via ACL, without configuring isolation.
- C. Tenants share the same configuration template and bandwidth resources.
- D. All tenants use the same VPN instance, with services differentiated by IP address.
Answer: A
NEW QUESTION # 102
In the deployment of the OSPF protocol in a wide area network, what is the main difference between a "fully NSSA area" and an "NSSA area"?
- A. Fully NSSA areas do not receive Type 3 LSA (Inter-area summary routes), while NSSA areas do.
- B. There is no difference between a full NSSA region and an NSSA region, only the name is different.
- C. Full NSSA areas only receive Type 1/2 LSA; NSSA areas receive Type 1/2/3/7 LSA.
- D. Fully NSSA areas receive Type 5 LSA (AS external routes), while NSSA areas do not receive...
Answer: A
NEW QUESTION # 103
In Huawei's WAN solution, for "real-time video surveillance (such as 4K surveillance streams) transmitted across regions," which of the following technologies can "reduce bandwidth usage while ensuring surveillance image quality"?
- A. 265)
- B. Reduce the frame rate of the surveillance video to 10fps, thus reducing smoothness.
- C. H.265+ encoding technology for surveillance video (saving 30% more bandwidth compared to
- D. The surveillance video is transmitted at a fixed bitrate without optimization.
- E. Reduce the resolution of the surveillance video to 1080P, sacrificing image quality.
Answer: C
NEW QUESTION # 104
In the deployment of BGP routing policies in a wide area network, which of the following BGP attributes can be used to "control route reception and advertising" to achieve route optimization?
(Multiple choice)
- A. AS_PATH (Filter routes by AS path length or specific AS)
- B. Local Preference (Controls route preference within the local AS)
- C. MED (Affects the preferred order of routing for other ASs)
- D. Ignore BGP attributes and prioritize routes based solely on prefix length.
- E. No routing policy is configured; all BGP routes are received and advertised .
Answer: A,B,C
NEW QUESTION # 105
In MPLS VPN network troubleshooting, if "BGP neighboring between the PE device and the CE device is established normally, but the CE device cannot learn the routes advertised by the PE device", which of the following troubleshooting steps should be performed first?
- A. Check if the BGP version of the CE device is consistent with that of the PE device.
- B. Check if the MPLS LSP between PE devices is established.
- C. Check if the PE device exports VPNv4 routes to its BGP neighbor (CE device).
- D. Check the BGP protocol configuration on the P device.
Answer: C
NEW QUESTION # 106
In a WAN BGP protocol deployment, if it is necessary to "filter out routes with a mask length greater than 24 bits when receiving routes advertised by neighbors", which of the following policies should be configured?
- A. Configure BGP neighbor MD5 authentication
- B. Apply a prefix-list to the BGP neighbor inbound direction to limit the mask length to 24.
- C. Adjust the BGP Local Preference property to reduce the priority of long-mask routes.
- D. Enable BGP route aggregation to merge routes with a mask length greater than 24 bits.
Answer: B
NEW QUESTION # 107
In MPLS VPN network troubleshooting, if you need to "view the routing table of a VPN instance on the PE device to confirm whether the route is being learned normally", which of the following commands should be used?
- A. Display IP routing-table VPN instance [instance name]
- B. Display IP routing-table
- C. display bgp vpnv4 all routes
- D. display mpls lsp
Answer: A
NEW QUESTION # 108
In an MPLS VPN network, which of the following failures would cause "the PE device to be unable to export VPNv4 routes to the CE device"?
- A. A routing policy has been configured on the PE device to export VPNv4 routes to the CE-PE routing protocol.
- B. The VPN instance and interface are correctly bound on the PE device.
- C. Routing protocol neighbor has not been established between the PE device and the CE device.
- D. MPLS LSPs between PE devices are established normally.
Answer: C
NEW QUESTION # 109
In Huawei's SD-WAN solution, which of the following service optimization strategies can "assign the highest priority to VoIP services to ensure smooth calls"?
- A. Limit VoIP service bandwidth to avoid consuming excessive resources.
- B. All services are forwarded with the same priority.
- C. QoS priority scheduling based on application type (VoIP is the highest)
- D. Traffic distribution based on link bandwidth
Answer: C
NEW QUESTION # 110
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