NEW 2021 Certification Sample Questions H12-224 Dumps & Practice Exam
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NEW QUESTION 123
The dot1x authentication-method command is used to set the 802.1x authentication mode. Which is the most secure authentication mode?
- A. PAP
- B. CHAP
- C. EAP
- D. EAP-TTLS
Answer: B
Explanation:
Topic 2, Volume B
NEW QUESTION 124
Which of the following statements are correct regarding how OSPF detects old and duplicate LSAs?
(Choose three.)
- A. When router generates a new LSA at the first time, it will use 0x80000001 as the sequence number.
- B. An LSA can be flushed from routing domain by setting its LSA age to Maxage.
- C. The smaller the LS age, the more recent the LSA.
- D. The smaller the sequence number, the more recent the LSA.
Answer: A,B,C
NEW QUESTION 125
The peer default-mute-advertise command is executed on a BGP muter to advertise a default mute to neighboring routers. Which of the following statements regarding the change of local BGP muting table is true?
- A. No default mute will be generated in the local BGP muting table
- B. An active default mute will be generated in the local BGP muting table and delivered to the IP muting table.
- C. An inactive default mute will be generated in the local BGP muting table, but this mute will not be delivered to the IP muting table
- D. A default mute will be generated in the local BGP muting table. Whether the default muting will be delivered to the IP muting table default
Answer: A
NEW QUESTION 126
The STP protocol can prevent broadcast storms caused by loops on the Layer 2 network.
- A. True
- B. False
Answer: A
NEW QUESTION 127
Which of the following contents are included in a migration project solution? (Choose all that apply.)
- A. Migration implementation
- B. Rollback solution
- C. Contingency plan
- D. Migration preparation
Answer: A,B,C,D
NEW QUESTION 128
Which of the following statements about a backup router in a VRRP backup group are true? (Select 3 Answers)
- A. It receives VRRP packets from the master router and determines whether the master router is functioning properly.
- B. It responds to the ARP requests sent from a virtual IP address.
- C. It discards an IP packet whose destination IP address is a virtual IP address.
- D. It discards an IP packet whose destination MAC address is a virtual MAC address.
Answer: A,C,D
NEW QUESTION 129
An OSPF neighbor relationship fails to be established and the display ospf error command output is as follows.
Which of the following is the probable cause?
- A. Router IDs conflict.
- B. Area IDs are mismatched.
- C. Network masks are inconsistent.
- D. Authentication types are inconsistent.
Answer: B
Explanation:
Explanation/Reference:
NEW QUESTION 130
On an STP network, before the interface status transits from non-forwarding to forwarding, how many Forward Delay intervals does the interface wait for?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 131
On a STP network, which of the following BPDUs are sent during flooding of information throughout the network due to STP topology change?
- A. BPDUs with the TCN flag
- B. BPDUs with the TC flag
- C. BPDUs with the TCA flag
- D. All of the above
Answer: D
NEW QUESTION 132
What are the features of SDN network architecture?
- A. Centralized forwarding and control layers centralized control and open interfaces
- B. Separated forwarding and control layers centralized control and open interfaces
- C. Separated forwarding and control layers distributed control and open interfaces
- D. Separated forwarding and control layers centralized control and closed interfaces
Answer: B
NEW QUESTION 133
How is OPEX defined?
- A. Operating cost
Ds O&M cost - B. Total cost of ownership (TCO)
- C. Maintenance cost
Answer: A
NEW QUESTION 134
Which of the following statements about comparison between ACL and IP-Prefix are true?(Select 2 Answers)
- A. IP-Prefix can be used for data packet filtering and route filtering, but ACL can only be used for route filtering
- B. Both ACL and IP-Prefix can be used for route filtering
- C. Both ACL and IP-Prefix can be used for data packet filtering
- D. ACL can be used for data packet filtering and route filtering, but IP-Prefix can only be used for route filtering
Answer: B,D
NEW QUESTION 135
Which of the following statements regarding BGP route advertisement rule are true?
- A. A BGP Speaker advertises the mutes learned from an EBGP peer to all peers including EBGP peers and IBGP peers
- B. A BGP Speaker advertises all BGP routes to its peers
- C. A BGP Speaker advertises all BGP mutes to new peers immediately after they establish BGP connections
- D. Generally when multiple mutes exist a BGP Speaker adds only the optimal mute into its muting table
Answer: A,C,D
NEW QUESTION 136
Which of the following items on the packing list need to be checked during unpacking and inspection?
(Choose all that apply.)
- A. Number of parts
- B. Part model
- C. Project name
- D. Part number
Answer: A,B,C,D
NEW QUESTION 137
Which of the following statements about the BFD demand mode are true? (Choose two.)
- A. The local system periodically sends BFD control packets, and the remote system detects the BFD control packets sent from the local system.
- B. If one system does not receive any BFD packets from its peer within a detection period, it advertises a session Down event.
- C. The local system detects the BFD control packets sent by itself.
- D. Each system confirms its connections with other systems in a particular method. After a BFD session is set up, BFD control packets are no longer sent.
Answer: C,D
NEW QUESTION 138
Which of the BGP attributes will not be advertised to other neighbor AS?
- A. ORIGIN
- B. AS_PATH
- C. COMMUNITY
- D. LOCAL_PREF
Answer: D
Explanation:
Explanation/Reference:
NEW QUESTION 139
In the VRP, by default, the routes imported by BGP are not automatically summarized.
- A. True
- B. False
Answer: A
NEW QUESTION 140
What is the function for the command "InterfaceVlan-interface Vlan-ID"?
- A. Configure a VLAN for port
- B. Create a VLAN
- C. Create or enter VLAN interface view
- D. Configure PVID
Answer: C
NEW QUESTION 141
Ethernet supports broadcast. Once a network loop occurs, this simple broadcast mechanism will cause catastrophic consequences. Which of the following symptoms may be caused by a loop? (Choose all that apply.)
- A. The display interface command output shows a large number of broadcast packets received on an interface.
- B. The CPU usage exceeds 70%.
- C. A lot of ICMP packets are lost in ping tests.
- D. Users cannot log in to the device remotely.
Answer: A,B,C,D
NEW QUESTION 142
Which of the following routing protocols support import-route? (Select 3 Answers)
- A. RIP
- B. OSPF
- C. BGP
- D. Static
Answer: A,B,C
NEW QUESTION 143
Which of the following indicators are performance indicators of the Eudemon? (Choose three.)
- A. Number of the interface
- B. VPN performance
- C. Process delay
- D. Throughput of large-sized or small-sized packets
Answer: A,C,D
Explanation:
Explanation
NEW QUESTION 144
Which are the new requirements on the enterprise network stimulated by the mobility trend
- A. Fast deployment of mobile applications
- B. Consistent service experience anytime. anywhere
- C. Unfiled wired and wireless management
- D. Strict hierarchical networking
Answer: A,B,C
NEW QUESTION 145
The address space 172.28.100.0/24 is currently used. If the subnet mask 172.28.100.0/30 is used to divide this address space into several subnets serving WAN links, how many subnets in total can the address space be divided into?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 146
Which of the following statements about the BFD demand mode are true?(Select 2 Answers)
- A. The local system periodically sends BFD control packets, and the remote system detects the BFD control packets sent from the local system.
- B. If one system does not receive any BFD packets from its peer within a detection period, it advertises a session Down event.
- C. The local system detects the BFD control packets sent by itself.
- D. Each system confirms its connections with other systems in a particular method. After a BFD session is set up, BFD control packets are no longer sent.
Answer: C,D
NEW QUESTION 147
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