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NEW QUESTION # 221
As shown in the figure, in a pure IPv6 environment, if you want to realize the communication between PC1 and PC2, which of the following groups of addresses can be configured on PC1 and P2 respectively?
- A. 2001:FDC::1/64 2001:FDC1::2/64
- B. 2001:FDC:1/64 2001:FDC::2/64
- C. FE80::1/64 FE80::2/64
- D. FD00:1AC0:872E::1/64 FDO0:2BE1:2320::1/64
Answer: A
NEW QUESTION # 222
When routers running OSPF protocol exchange DD packets, which of the following parameters will be used to elect the master-slave relationship?
- A. Router ID
- B. DR priority of the interface
- C. Area ID
- D. The IP address of the interface
Answer: A
NEW QUESTION # 223
Which of the following description of VRRP is false?
- A. A virtual router is composed of a main router and several backup routers. The main router realizes the real forwarding function. When the main router fails, a backup router will become the new main router and take over its work.
- B. VRRP is a kind of redundant backup protocol. It is designed for LANs with multicast or broadcast capabilities (such as Ethernet) to ensure that when the next hop router device of a host in the LAN fails, another router can be used in a timely manner. Instead, to maintain the continuity and reliability of network communication
- C. The host on the network communicates with the virtual router, and there is no need to know all the information of the physical router on this network
- D. When using the protocol, you need to configure the virtual router number and virtual IP address on the router, and directly use the real MAC of the main router, so that a virtual router is added to this network
Answer: D
NEW QUESTION # 224
The preliminary investigation of the cutover project is mainly to communicate and coordinate with customers and other participants and collect network information for analysis.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 225
Two level-1 routers in different areas can form a neighbor relationship.
- A. False
- B. True
Answer: A
NEW QUESTION # 226
Two routers running IS-IS can only establish an adjacency relationship if the time interval of lH transmission is the same
- A. False
- B. True
Answer: A
NEW QUESTION # 227
The four routers run lS-IS and have established adjacency. The area code and the level of the router are marked in the figure. Which of the following statements is correct?
- A. The LSP of R4 does not exist in the LSDB of the R2 router
- B. The LSP of R3 does not exist in the LSDB of the R2 router
- C. The LSP of R4 does not exist in the LSDB of R3 router
- D. The LSP of R4 does not exist in the LSDB of router R1
Answer: D
NEW QUESTION # 228
Which is the correct description of Route Policy is? (Multiple choice)
- A. The filtering rule relationship of the if-match clause is " and ", that is, all i-match clauses of the node must match
- B. The if-match clause is used to match the node's matching conditions, and the apply clause is used to define the routing behavior through filtering
- C. The relationship between Route-Policy nodes is " or ", as long as one node is filtered, the Route-Policy can be passed
- D. A Route-Policy consists of multiple nodes. A section can contain multiple if-match and apply clauses
Answer: A,B,C,D
NEW QUESTION # 229
BGP establishes neighbor relationship through UDP interaction
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 230
Which of the following descriptions about OSPF virtual connections is wrong?
- A. The area through which the virtual connection is configured must have all the routing information
- B. The virtual connection is actually a logical channel
- C. Virtual connections increase the complexity of the network
- D. The virtual link must be configured in two ASBRs
Answer: D
NEW QUESTION # 231
In the Portal authentication scenario based on MAC priority, when the user successfully authenticates Porta1, disconnect the network within a certain period of time and reconnect, and can directly access through MAC authentication without re-entering the user's name and password for Portal authentication.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 232
When running OSPFv3 on a Huawei router, the OSPFv3 process will automatically select an interface address as the router ID of the process.
- A. False
- B. True
Answer: A
NEW QUESTION # 233
As shown in the figure, R1 and R2 constitute a VRRP backup group with a VRID of 1. Which of the following descriptions about the VRRP master and backup election process is wrong?
- A. After the two devices are initialized, they will first switch to the Backup state
- B. Both devices will switch to the Master state after their respective NASTER DoV timers expire
- C. In the case of simultaneous startup, R1 switches to the aster state faster than R2
- D. Finally, R1 will send a free ARP message
Answer: A
NEW QUESTION # 234
SSH has negotiated multiple algorithms during the implementation process, so which of the following algorithm categories are used by SSH? (Multiple choice)
- A. Algorithms used for data encryption
- B. Spanning tree algorithm for preventing communication loops
- C. Algorithms for Data Integrity Protection
- D. Shortest Path Algorithm for Determining the Shortest Communication Path
- E. Host Public Key Algorithms for Digital Signature and Authentication
- F. The key exchange algorithm used to generate the session key
Answer: A,C,E,F
NEW QUESTION # 235
Some security areas have been created by default in the fire protection block. Which of the following security areas does not exist by default in the fire protection block?
- A. Internet
- B. Trust
- C. DMZ
- D. Local
Answer: A
NEW QUESTION # 236
About LSA3, LSA4 and LSA5, which of the following description is correct?
- A. LSA3, LSA4 and LSA5 will not change after traversing different areas
- B. LSA4 will not change after traversing different areas, while LSA3 and LSA5 will change
- C. LSA5 will not change after traversing different areas, while LSA3 will change
- D. LSA3 will not change after traversing different areas, while LSA4 and LSA5 will change
Answer: C
NEW QUESTION # 237
OSPF runs directly on the TCP protocol, using TCP port number 179.
- A. False
- B. True
Answer: A
NEW QUESTION # 238
There can be multiple nodes under a route-policy. Different nodes are identified by node. Each node can have multiple if-match and apple clauses. Which of the following descriptions are wrong? (Multiple choice)
- A. There is an "or" relationship between different nodes
- B. There is an "or" relationship between the if-match clauses under each node
- C. The relationship between different nodes is "and"
- D. The relationship between the if-match clauses under each node is "and"
Answer: A,D
NEW QUESTION # 239
About LSA3, LSA4 and LSA5, which of the following description is true?
- A. LSA3, LSA4 and LSA5 will not change after traversing different areas
- B. LSA4 will not change after traversing different areas, while LSA3 and LSA5 will change
- C. LSA5 will not change after traversing different areas, while LSA3 will change
- D. LSA3 will not change after traversing different areas, while LSA4 and LSA5 will change
Answer: C
NEW QUESTION # 240
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