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NEW QUESTION 84
In PIM-SM, regarding RP, which of the following description is false?
- A. RP can be responsible for the forwarding of several or all multicast groups, and there can be one RP in the network
- B. All members of the group and multicast sources that send multicast data to the group converge to a unique RP
- C. One RP can support multiple multicast services at the same time, and one multicast group can correspond to multiple RPs
- D. The initial multicast stream of all groups in the shared tree is forwarded to the receiver through the RP
Answer: C
NEW QUESTION 85
The role of the switch in the stacking system not include:
- A. Slave switch
- B. Main switch
- C. Standby switch
- D. Candidate switch
Answer: D
NEW QUESTION 86
Which of the following information is carried in the BGP OPEN message? (Multiple choice)
- A. Local Autonomous System (AS) number
- B. Hold time
- C. BGP Router ID
- D. Routing attributes
Answer: A,B,C
NEW QUESTION 87
What parameters can the DHCPv6 server assign to the DHCPv6 client? (Multiple choice)
- A. STP server address
- B. IPv6 address prefix
- C. DNS server address
- D. Gateway address
Answer: B,C,D
NEW QUESTION 88
Which of the following Hello messages is not included in the IS-IS protocol?
- A. P2MP llH
- B. Leve1-1 LAN lH
- C. P2PIlIH
- D. Leve1-2 LANIIH
Answer: A
NEW QUESTION 89
By default, the interval for sending PIM Hello packets on the router interface is () seconds.
Answer:
Explanation:
30
NEW QUESTION 90
When IGMP query is configured with SSM Mapping rules, SSM services can only be provided to member hosts running IGMPv2
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 91
In PIM-SM, which of the following description about RP is wrong?
- A. RP can be responsible for the forwarding of several or all multicast groups, and there can be one RP in the network
- B. All members of the group and multicast sources that send multicast data to the group converge to a unique RP
- C. One RP can support multiple multicast services at the same time, and one multicast group can correspond to multiple RPs
- D. The initial multicast stream of all groups in the shared tree is forwarded to the receiver through the RP
Answer: C
NEW QUESTION 92
Regarding the accompanying business, which of the following statements is correct? (Multiple choice)
- A. The administrator does not need to care about the user's IP address when configuring the policy
- B. The administrator can execute the business strategy on the device in the controller system-manage the entire network strategy
- C. In the free mobility solution, the administrator does not need to repeat the configuration for each device
- D. The controller is not only the certification center in the campus network, but also the management center of business strategies
Answer: A,B,C,D
NEW QUESTION 93
How does IGMPv2 router maintain the network segment group membership? (Multiple choice)
- A. After receiving the eave message, the router immediately deletes the group membership
- B. The router periodically sends Query messages, and the receiver host reports a Repeat message after receiving the Query message
- C. The router will query a specific group
- D. The router maintains a timeout timer for each group membership, refreshes the timer if it receives the receiver host, and deletes the group membership if the timer expires
Answer: B,C,D
NEW QUESTION 94
The following description about BGP, OSPF, ISIS, which the description is true?
- A. BGP neighbor relationship is established based on TCP session, and the port number used is 179
- B. ISIS runs based on IP protocol, the protocol number adopted is 89
- C. BGP runs based on UDP sessions, and the port number used is 179
- D. OSPF runs based on IP protocol, the protocol number adopted is 90
Answer: A
NEW QUESTION 95
Two level-1 routers in different areas can form a neighbor relationship.
- A. False
- B. True
Answer: A
NEW QUESTION 96
Which of the following statements about the BFD detection mode is correct? (Multiple choice)
- A. Asynchronous mode is a commonly used BFD detection mode
- B. In query mode, once a BFD session is established, the system will no longer periodically send BFD control packets
- C. Asynchronous detection mode does not support echo function
- D. In asynchronous mode, the systems will send BFD control packets at the negotiated cycle. If a system does not receive the BFD control packets from the peer within the detection time, it will declare the status of the BFD session Down.
Answer: A,B,C,D
NEW QUESTION 97
The following is a part of the configuration of a router, which of the following regarding the configuration is true?
- A. The packet with the source address of 1.1.1.2 matches the second ACL statement rule 1, and the matching rule is allow
- B. The packet with source address of 1.1.1.3 matches the third ACL statement rule 2, and the matching rule is deny.
- C. The packet with the source address of 1.1.1.1 matches the first ACL statement rule 0, and the matching rule is allow.
- D. The data packet with the source address of 1.1.1.4 matches the fourth ACL statement rule 3, and the matching rule is allow.
Answer: C
NEW QUESTION 98
The advantages of address translation technology do not include:
- A. Address translation can shield users on the internal network and improve the security of the internal network
- B. Address translation can handle the case of IP header encryption
- C. Address translation can enable internal network users (private IP addresses) to access the same Internet
- D. Address translation can make many hosts in the internal LAN share a IP address to access the Internet
Answer: B
NEW QUESTION 99
In a large-scale WLAN three-layer network, which of the following description about the DHCP server is incorrect? (Multiple choice)
- A. In a large-scale WLAN network, the AP can obtain the AC's IP address from the DHCP server through the option43 parameter
- B. In a large-scale WLAN network, it is recommended to deploy an independent DHCP server
- C. In a large VLAN network, the AP can obtain the AC's IP address from the DHCP server through the option60 parameter
- D. In a large-scale WLAN network, it is generally recommended to use AC as a DHCP server
Answer: C,D
NEW QUESTION 100
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