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NEW QUESTION 117
When the MTU of the interconnection interface of the two routers in the broadcast network does not match, and the interface is configured with ospf mtu-enablet, which of the following description about the status change of the neighbor relationship between the two routers is true?
- A. The neighbor relationship between two devices can enter Full
- B. The neighbor relationship status of the two devices stays in the Init state
- C. The neighbor relationship status of the two devices stays at 2-way
- D. The neighbor relationship between the two devices stays at Exstart
Answer: D
NEW QUESTION 118
After a switch is powered on to join a running stack system, this behavior is called stack join.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 119
Regarding the description of VRRP load sharing, which is correct? (Multiple choice)
- A. The load sharing method means that multiple routers undertake services at the same time, so the load sharing method requires two or more virtual routers
- B. Load sharing method refers to the establishment of two or more backup groups, and multiple routers carry services at the same time
- C. When configuring priorities, the VRRP masters of the three virtual routers can be on different routers
- D. Multiple virtual routers can be created on one interface of the router, so that the router can be used as a master router in one virtual router, and at the same time as a backup router in other virtual routers.
Answer: B,C
NEW QUESTION 120
Regarding BGP Local-Preference, which of the following descriptions are correct? (Multiple choice)
- A. The default value of BGP routing Local-Preference is 100
- B. In BGP routing rules, Preferred-value has a higher priority than Local-Preference, that is, Preferred-Value is compared first
- C. In the BGP routing rules, the priority of MED is higher than that of Local-Preference, that is, MED is compared first
- D. The default value of BGP routing Local-Preference is 0
Answer: A,B
NEW QUESTION 121
Regarding the description of the security level of the firewall security zone, which of the following is false?
- A. The newly created security zone, the system defaults its security level to 1
- B. Once the security level is set, it is not allowed to change
- C. The security level can only be set for the custom security zone
- D. In the same system, two security zones are not allowed to configure the same security level
Answer: A
NEW QUESTION 122
About the description of the Keepalive message of BGP, which of the following is incorrect?
- A. Keepalive is periodically sent between two BGP neighbors
- B. Keepalive messages are mainly used to confirm the operating status of peer routers and the availability of links
- C. Keepalive packet contains only one BGP data header
- D. By default, the keepalive interval is 180s
Answer: D
NEW QUESTION 123
Regarding BGP reliable routing updates, which of the following description of is ture?
- A. BGP uses multicast updates
- B. BGP works on top of UDP, and the transport layer protocol is 179
- C. BGP does not need to periodically advertise routing information
- D. BGP sends complete routing table information every time a route is updated
Answer: C
NEW QUESTION 124
The following is a partial configuration of a router. Which description of this configuration is correct?
[HUAWEI] ip ip-prefix plpermit 10.0.192.0 8 greater-equal 17 less-equal 18
- A. In the 10.0.192.0/8 network segment, the route with a mask length of 19 will be matched to the prefix list, and the matching rule is allow
- B. In the 10.0.192.0/8 network segment, the route with a mask length of 18 will be matched to the prefix list, and the matching rule is allow
- C. In the 10.0.192.0/8 network segment, the route with a mask length of 20 will be matched to the prefix list, and the matching rule is allow
- D. In the 10.0.192.0/8 network segment, the route with a mask length of 21 will be matched to the prefix list, and the matching rule is allow
Answer: B
NEW QUESTION 125
Which is wrong about the NDP address function in the following description?
- A. Two ICMPv6 messages, neighbor solicitation and neighbor advertisement, are used in the address process
- B. When sending a neighbor solicitation message, the source address must be the link-local address of the local interface
- C. When sending a neighbor solicitation message, the destination address must be the neighbor's solicited node multicast address
- D. The address realizes the function from the IPv6 address to the link layer address
Answer: B
NEW QUESTION 126
In the IS-IS broadcast network, which multicast MAC address does the Level-2 router use as the destination address for sending lH?
- A. 0180-c200-0014
- B. 0180-c200-0016
- C. 0100-5EO0-0002
- D. 0180-c200-0015
Answer: D
NEW QUESTION 127
When using a routing policy for route filtering, which routes the prefix of the following options in matching the following IP-Prefix will be denied out? (Multiple choice)
[HUAWEI] ip ip-prefix aa index 10 deny 0.0.0.0 24 less-equal 32
[HUAWEI] ip ip-prefix aa index 20 permit 0.0.0.0 0 less-equal 32
- A. 1.1.1.1/26
- B. 1.1.1.1/32
- C. 1.1.1.2/16
- D. 1.1.1.1/24
Answer: A,B,D
NEW QUESTION 128
BGP is an inter-domain routing protocol. Which of the following descriptions of this protocol is correct? (Multiple choice)
- A. Does not support neighbor authentication
- B. Support automatic neighbor discovery
- C. Support rich routing strategies
- D. BGP protocol adopts reliable transmission protocol
Answer: C,D
NEW QUESTION 129
Which description of Route Policy is correct? (Multiple choice)
- A. The filter rule relationship of if-match clauses is "and", that is, all i-match clauses of the node must match
- B. The relationship between Route-Policy nodes is "or", as long as one node's filtering is passed, the Route-Policy can be passed
- C. A Route-Policy is composed of multiple nodes. A section can include multiple if-match and apply clauses
- D. The if-match clause is used to match the matching conditions of the node, and the apply clause is used to define the routing behavior that passes the filter.
Answer: A,B,C,D
NEW QUESTION 130
The routing strategy supports multiple operations on routing attributes. Please match the parameters of the following apply clauses with their functions. (Drag and drop)
Answer:
Explanation:
NEW QUESTION 131
Which of the following description about verifying whether a received Hello message is legal is wrong?
- A. The RouterDeadIntera1 field in the received Hello message must be consistent with the configuration of the receiving port
- B. The E-bit in the Options field of the received Hello message must be consistent with the configuration of the relevant area
- C. If the network type of the receiving port is broadcast, point-to-multipoint or NBMA, the Network Mask field in the received Hello message may be inconsistent with that of the interface.
- D. If the network type of the receiving port is a point-to-point type or a virtual link, the Network Mask field is not checked
Answer: C
NEW QUESTION 132
In VRRP, when the device status changes to Master, it will immediately send gratuitous ARP to refresh the MAC table entries of the downstream device, thereby directing the user's traffic to this device.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 133
A router is running the IS-IS, the output information shown in FIG, which of the following statements is incorrect?
- A. The area code of this router is 49.0001
- B. System-lD of this router is 0100.0000.1001
- C. The System-ID of the neighbor router is 0002.0200.2002
- D. This router is DIS
Answer: D
NEW QUESTION 134
For the following understanding of DR/BDR, which is wrong? (Multiple choice)
- A. In the broadcast network, DR and BDR must be elected. Without either DR or BDR, the broadcast network cannot work normally
- B. All DR other only establish adjacency with DR and BDR
- C. The network address monitored by DR other is 2240.0.6
- D. The power of the multicast address monitored by DR other is 224.0.0.5
Answer: A,C
NEW QUESTION 135
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