BFD is a universal fast detection technology that can implement fast switchover, so BFD does not need to be used with other fast switching technologies.
A. TRUE
B. FALSE
Which of the following statements regarding the stateful inspection firewall is true?
A. The stateful inspection firewall needs to match the rules for each incoming packet.
B. Because UDP is a connectionless protocol, so the stateful inspection firewall cannot match UDP packets with the status table.
C. When the stateful inspection firewall checks packets, packets of one same connection are not correlated.
D. The stateful inspection firewall only needs to match the first data packet against a rule, and the subsequent packets of the connection are matched directly in the state table.
What is the multicast destination address of VRRP packets?
A. 224.0.0.18
B. 224.0.0.20
C. 224.0.1.18
D. 224.0.1.20
Single-packet attacks indicate that an attacker controls botnet hosts to send a large number of attack packets, causing link congestion on the attacked network and system resource exhaustion.
A. TRUE
B. FALSE
Which of the following attacks is not the network layer attack?
A. IP spoofing attack
B. Smurf attack
C. ARP spoofing attack
D. ICMP attack
Which packet information can be used for complex traffic classification? (Choose three.)
A. Packet length
B. Source and destination addresses
C. Protocol type
D. Source and destination MAC addresses
Congestion means that the service rate is reduced because of insufficient network resources. Congestion avoidance technologies include RED and WRED.
A. TRUE
B. FALSE
Which of the following statements regarding the physical topology monitoring function of eSight are true? (Choose all that apply.)
A. eSight displays the layout and status of NEs, subnets, and links on the GUI.
B. eSight supports visualized monitoring of the network-wide running status.
C. eSight displays the architecture of the entire network and relationship between network entities.
D. The physical topology monitoring provides an entry for unified network monitoring, improving OandM efficiency.
Which of the following are included in the full lifecycle guest management of the Agile Controller? (Choose all that apply.)
A. Account registration
B. Account approval and distribution
C. Account authentication
D. Account audit and deregistration
Which of the following are roles in port mirroring? (Choose three.)
A. Mirrored port
B. Local observing port
C. Remote mirroring port
D. Trunk port
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