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NEW QUESTION 87
Which of the following statements is true about the forward Delay timer of STP?
- A. Prevent temporary loops
- B. Reduces the interval for sending BPDUs
- C. Delay is required when a port transitions between Blocking and Disabled
- D. Improves the STP convergence speed
Answer: A
NEW QUESTION 88
When the router receives the packet destination IP address in the routing table does not match the table entry, the strategy adopted
- A. Place the packet fragmentation
- B. If the default route exists in accordance with the default route forwarding, or discarded
- C. Forwards the packet.
- D. lost packet.
Answer: B
NEW QUESTION 89
The correct description of GVRP below is ().
- A. GVRP is a protocol that must be enabled on the switch, otherwise the switches cannot communicate with each other.
- B. GVRP is based on the GARP working mechanism and is used to maintain VLAN dynamic registration information in the device and propagate the information to other devices.
- C. GVRP enables dynamic discovery and deletion of network devices
- D. GVRP is enabled by default, or can be manually closed
Answer: B
NEW QUESTION 90
WAN G.703 standards are related to () standard.
- A. Application layer
- B. Transport Layer
- C. Data Link Layer
- D. Physical Layer
Answer: D
NEW QUESTION 91
The main function of .InARP is to solve the protocol address of the peer device connected to each virtual link, including IP address and IPX address.
- A. Error
- B. Correct
Answer: B
NEW QUESTION 92
Routers work in the OSI Reference Model
- A. Application layer
- B. Network Layer
- C. Data Link Layer
- D. Physical Layer
Answer: B
NEW QUESTION 93
Which of the following flow control is the way?
- A. source quench packets (source quench messages)
- B. caching (buffering) technology
- C. confirmation (acknowledgement) technology
- D. window mechanism (windowing)
Answer: A,B,D
NEW QUESTION 94
Which type of network does OSPFv3 need to elect DR?
- A. P2MP network
- B. P2P network
- C. Broadcast network
- D. CLNP Network
Answer: C
NEW QUESTION 95
Which of the following statements regarding single area OSPF are correct? (Choose three)
- A. An IP address needs to be configured on a loopback interface of each router before configuring an OSPF area.
- B. A single area can be configured using any supported area number.
- C. All of the links of the network need to be advertised in Area 0.
- D. The value of an area can be from 0.0.0.0 to 255.255.255.255.
Answer: B,C,D
NEW QUESTION 96
Which version of the SNMP protocol supports encryption features?
- A. SNMPv2c
- B. SNMPv2
- C. SNMPv1
- D. SNMPv3
Answer: D
NEW QUESTION 97
To determine: the more commonly used local area network bus, star topology is the actual physical device configuration, rather than the network's logical structure.
- A. False
- B. True
Answer: A
NEW QUESTION 98
What is the default ACL step size on the G3 series routers?
- A. 10
- B. 0
- C. 1
- D. 2
Answer: D
NEW QUESTION 99
The network administrator finds that a port on the switch has learned the MAC address, but cannot forward the data frame. Which of the following working states is the port in?
- A. Learning
- B. Listening
- C. Disabled
- D. Blocking
Answer: A
NEW QUESTION 100
All interface on a router running OSPF must belong to the same area
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 101
The STP protocol is enabled on both switches shown in the figure below_ An engineer made the following conclusions on this network_ Do you think what is the correct conclusion? (Multiple Choice)
- A. The GO/0/3 part of SWA is stable in the Forwarding state
- B. The GO/0/2 port of SWB is stable in the Forwarding state
- C. Both pods of MA are designated pods
- D. Both pods of SWB are designated pods_
- E. The GO/N2 port of SWA is stable in the Forwarding state
Answer: A,B,C,E
NEW QUESTION 102
Based on ACL rules, which of the following types can an ACL be classified into? (Multiple Choice)
- A. Layer 2 ACL
- B. Basic ACL
- C. User ACL
- D. Advanced ACL
Answer: A,B,D
NEW QUESTION 103
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