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NEW QUESTION 114
The default type of router in ISIS is Level-2.
- A. True
- B. False
Answer: B
NEW QUESTION 115
The following topology is available, and based on this analysis, which of the following statement is correct?
- A. There are routing entries for 10.0.2.2/32 and 10.0.3.3/32 in the IP routing table of R1.
- B. Because R2 does route aggregation, only the routing entry of 10.0.0.0/16 exists in the IP routing table of R1.
- C. There are routing entries of 10.0.2.2/32 and 10.0.0.0/16 in the IP routing table of R1.
- D. The routing entries of 10.3.3.3/32 and 10.0.0.0/16 exist in the IP routing table of R1.
Answer: D
NEW QUESTION 116
Which of the following statements about the BFD single-arm echo function are correct? (Multiple Choice)
- A. BFD single-arm echo function is applicable to scenarios where one device supports BFD and the other device does not.
- B. After the BFD single-arm echo function is enabled, the destination IP and source IP of the BFD packets are the same.
- C. The default destination IP address of the BFD single-arm echo function protocol packet is 224.0.0.184.
- D. The BFD single-arm echo function must be configured with a local identifier and a remote identifier.
Answer: A,B
NEW QUESTION 117
Regarding the cross-domain VPN-OptionB scheme, which of the following description is wrong?
- A. Exchange the outer label of the VPNv4 route between the two ASBRs.
- B. The cross-domain VPN-Option B scheme is not limited by the number of interconnected links between ASBRs.
- C. An IP-EBGP neighbor relationship needs to be established between the two ASBRs.
- D. During the packet forwarding process, exchange the private network LSPs of the VPN on the two ASBRs.
Answer: A
NEW QUESTION 118
Which of the following types of packets is required to implement virtual machine migration in the BGP EVPN distributed gateway scenario?
- A. Type3
- B. Type1
- C. Type4
- D. Type5
- E. Type2
Answer: E
NEW QUESTION 119
In Huawei devices, when ISIS imports external routes and sets external route tags for routing information, the metric type of ISIS does not need to be modified, just keep the default.
- A. True
- B. False
Answer: B
NEW QUESTION 120
Regarding BGP route filtering, what is wrong with the following description? (Multiple Choice)
- A. For a locally advertised route, configure a routing policy. The policy takes effect before the route is added to the BGP routing table.
- B. In the same node of Route-Policy, the relationship of multiple if-match clauses for different attributes is "OR".
- C. The filtering relationship between the nodes of the Route-Policy is "or", that is, if it is filtered by a node, it can pass route-policy.
- D. When receiving a route of a BGP peer, perform a routing policy to filter unwanted BGP routes. These routes are not added to the local BGP routing table.
Answer: A,B
NEW QUESTION 121
Which of the following description about the process of sending and receiving data frames in the Access mode of the switch interface is correct?
- A. Only receive unlabeled data frames in Access mode
- B. In the Access mode, the VLAN tag of the data frame will be stripped off when sent.
- C. When the data frame enters the switch interface, the switch learns the destination MAC address in the data frame.
- D. Directly discard when receiving a tagged data frame in Access mode.
Answer: B
NEW QUESTION 122
Which layers are shared in the OSI reference model and the TCP/IP model? (Multiple Choice)
- A. Expression layer
- B. Application layer
- C. Session layer
- D. Transport layer
- E. Data link layer
Answer: B,D
NEW QUESTION 123
Router R1 and Router R2 run BGP. Both routers are in the AS 65234. The route of router R2 exists in the BGP routing table of router R1, but is not in the IP routing table of router R1. So, what caused the problem?
- A. Synchronization is turned off
- B. Router R1 does not enable BGP Multi-hop
- C. The BGP neighbor relationship is Down.
- D. Routing is not optimal
Answer: D
NEW QUESTION 124
Regarding the Stub area and the NSSA area of the OSPF protocol, which of the following statement is incorrect?
- A. Both the Stub area and the NSSA area are not allowed to inject Type 4 LSA.
- B. Type 5 LSA is not allowed in the Stub area, and Type 5 LSA is allowed in the NSSA area.
- C. Both the Stub area and the NSSA area can inject Type 3 LSAs.
- D. Type7 LSA is not allowed in the Stub area, and Type 7 LSA is allowed in the NSSA area.
Answer: B
NEW QUESTION 125
Four routers R1, R2, R3, and R4 run ISIS, the ISIS router type is marked, and the routing table is viewed on R1. The reason why R1 does not reach the route of 10.34.34.4 is
- A. R2's system-ID conflicts with R3
- B. Regional planning errors for R3 and R4
- C. Configure a routing policy on R2 to filter the default route.
- D. R2's system-ID conflicts with R1
Answer: B
NEW QUESTION 126
You need to configure policy routing on the router to specify that specific traffic is forwarded through an interface.
When using policy-based routing, which two types of most typical information can be used to forward traffic along a particular path?
- A. Source IP address and Layer 2 source address
- B. Service type header and message length
- C. TTL and source IP address of the packet
- D. Source IP address and specific protocols (such as FTP, HTTP, etc.)
Answer: D
NEW QUESTION 127
Which of the following statements is true about the database synchronization process on an IS-IS broadcast network?
- A. As the DIS, R2 sends a CSNP packet periodically.
- B. The interval at which R2, as the DIS, sends Hello packets is three times that of other routers.
- C. R1 and R3 maintain the database consistency by sending PSNP packets periodically.
- D. As the DIS, R2 does not receive the PSNP requests from other routers.
Answer: A
NEW QUESTION 128
Which of the following is correct about the ISIS GR description?
- A. ISIS GR defines a new TL structure to support this feature
- B. ISIS GR has four timers.
- C. ISIS GR notifies the event and maintains the neighbor relationship through the CSNP message.
- D. The GR feature of ISIS is enabled by default.
Answer: A
NEW QUESTION 129
Which of the following statement about deploying ISIS protocol in IPv6 environment is correct?
- A. In broadcast networks, the DIS priorities of IPv4 and IPv6 can be set separately.
- B. By default, the DIS priority of the broadcast network interface on Level-1 and Level-2 is 1.
- C. Configure ISIS silent on the ISIS interface, then this interface will not send ISIS packets, but will receive ISIS packets.
- D. In the same broadcast network, if each router supports both IPv4 and IPv6, the DIS of IPv4 and IPv6 must be the same device.
Answer: D
NEW QUESTION 130
When deploying LLQ, you need to configure bandwidth parameters. What is the meaning of bandwidth parameters?
- A. This parameter is an option because LLQ always takes precedence over other queues
- B. This parameter should be as small as possible. It means that the bandwidth is always reserved, even if LLQ is used, this parameter will reduce the available bandwidth of the interface.
- C. It indicates that the reference CR is used to calculate the burst size of the built-in policer token bucket.
- D. Provide a built-in policer to limit the maximum available bandwidth of low latency queues during congestion
Answer: D
NEW QUESTION 131
Which of the following belong to single package attack? (Multiple Choice)
- A. DDoS attack
- B. Malformed package attack
- C. Special control package attack
- D. Scanning detection attack
Answer: B,C,D
NEW QUESTION 132
Run the display mpls Isp command on the router to view the LSP information. The command output is as follows.
Which of the following is correct?
- A. After the router receives the data packet with the label 1024, it changes to the label 1027 and then sends the data packet.
- B. When sending a packet with the destination IP address of 4.4.4.4, the router sends it directly without adding any labels.
- C. When sending a packet with the destination P address of 2.2.2.2, the router sends it directly without adding any label.
- D. When sending a packet with a destination address of 3.3.3.3, the router will add the label 1026 to the packet before sending it.
Answer: C
NEW QUESTION 133
Router HW is enabled with OSPF and the role of the router HW is ABR, and abr-surmnary is configured. Which classes of LSA will be aggregated?
- A. Class 1 LSA
- B. Class 4 LSA
- C. Class 2 LSA
- D. Class 3 LSA
- E. Class 5 LSA
Answer: A,C,D
NEW QUESTION 134
In an existing OSPF network, which type of LSA will cause SPF calculation? (Multiple Choice)
- A. Type 1 LSA
- B. Type 4 LSA
- C. Type 2 LSA
- D. Type 3 LSA
- E. Type 5 LSA
Answer: A,C
NEW QUESTION 135
Which of the following does the digital certificate not contain?
- A. Issuer
- B. Public key information
- C. Digital signature
- D. Digital envelope
Answer: D
NEW QUESTION 136
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