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NEW QUESTION 32
A switch runs MSTP. The configuration is shown in the figure. What is the role of this switch in MSTI 1?
- A. Secondary root switch
- B. Uncertain
- C. Root switch
- D. Non-root switch
Answer: B
NEW QUESTION 33
Which of the following statements regarding the LSA age field are true?
- A. If the LS age of a LSA has reached the LSRefreshTime (30 minutes), any router can regenerate an instance of this LSA again.
- B. The unit of this field is seconds. In a LSDB, the LS age of a LSA decreases with time.
- C. If the LS age of a LSA has reached the LSRefreshTime (30 minutes), the originator of this LSA needs to regenerate an instance of this LSA again.
- D. The unit of this field is seconds. In a LSDB, the LS age of a LSA increases with time.
Answer: B
NEW QUESTION 34
ON a stateful inspection Firewall where there is no session table, when the status detection mechanism is enabled and the second packet (CYN+ACK) of 3-way hadshakes reaches the firewall. Which of the following statements is true?
- A. If the firewall security policy permits packets to pass, the packets can pass the firewall.
- B. Packets must pass the firewall, and a session table is established.
- C. By default, when status detection is disabled and the permit policy is configured packets can pass.
- D. If the firewall security policy permits packets to pass, the session table is created.
Answer: D
NEW QUESTION 35
If a router ID is configured in both the system via and the BGP view, BGP uses the router ID configured in the BGP view because the BGP view takes precedence over the system view.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 36
Which of the following statements is false, based on the following IGMP information on an interface of RTA?
- A. The IGMP version is IGMPV2.
- B. The maximum time for response to Query messages is 10s.
- C. The interval for sending group-specific Query messages is 60s.
- D. The IP address of the interface is 192.168.1.1.
Answer: B
NEW QUESTION 37
Which of the following TLVs is used by ISIS to describe the IP address of an interface?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 38
Which of the following statements about the forwarding plane of a switch is false?
- A. Consists of main control boards and interface boards.
- B. Provides high-speed and non-blocking data channels.
- C. Can encapsulate and decapsulate packets.
- D. Can collect packet statistics.
Answer: D
NEW QUESTION 39
Which of the following statements regarding an IP prefix are true?
- A. An IP prefix filter can be used to filter data packets.
- B. An IP prefix filter cannot be used to filter data packets.
- C. An IP prefix filter is used to filter IP address prefixes and cannot match an IP prefix number and a prefix length at the same time.
- D. An IP prefix filter is used to filter IP address prefixes and can match an IP prefix number and a prefix length at the same time.
Answer: A
NEW QUESTION 40
RSTP provides different functions in different scenarios. Which of the following statements Is false?
- A. The role of the designated port that is enabled with root protection cannot be changed
- B. If the edge port on the switch enabled with BPDU protection receives RST BPDU, the switch sets the edge port as a non-edge-port and triggers STP calculation
- C. When the designated port enabled with root protection receives optimal RST BPDUs, the port enters the Discarding state and does not forward packets. If the port does not receive optimal RST BPDUs within a certain period of time, the port will automatically restore to the Forwarding state
- D. After TC-BPDU attack defense function is enabled, you can set the number of times the switch processes TC BPDUs within a certain period
Answer: B
NEW QUESTION 41
As shown in the figure, SWA, SWB, SWC, and SWD run the Rapid Spanning Tree Protocol (RSTP). Which of the following statements are true?
- A. After a port is Configured as an edge port, the port can quickly enter the Forwarding state.
- B. You can enable the edge port on SWD's GEO/0/2 connected to the terminal so that this port can quickly enter the Forwarding state.
- C. Once receiving OPOUs, the edge port re-partlci pates in the calculation of the spanning tree.
- D. You can enable the edge port on SWC's GE0/0/2 connected to the terminal so that this port can quickly enter the forwarding state.
Answer: A
NEW QUESTION 42
In the OSPF protocol, inter-area route calculation involves only Router LSA, Network LSA, and Summary LSA.
- A. TRUE
- B. FLASE
Answer: A
NEW QUESTION 43
Which of the following statements regarding the firewall zone security level is false?
- A. The default security level of the new zone is 1.
- B. The configured security level cannot be changed.
- C. Two zones cannot be configured with the same security level.
- D. Only the security level of the user-defined zone can be configured.
Answer: B
NEW QUESTION 44
What is the correct procedure for a VLAN pool to assign terminals to VLANs.
Answer:
Explanation:
NEW QUESTION 45
OSPF supports area authentication and interface authentication. If both authentication modes are configured, Interface authentication takes preference over area authentication.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 46
As shown in the following figure, a new AP is deployed In dual link MSB networking (load balancing mode).
Which AC will the connect to?
- A. AC1
- B. Random access
- C. None
- D. AC2
Answer: C
NEW QUESTION 47
The traffic limiting policy feature only supports the number of connections initiated by the specified IP or the number of connections received.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 48
Drag the following VRRP states to the corresponding working mechanisms.
Answer:
Explanation:
Explanation
Master
Backup
Master
Backup
NEW QUESTION 49
Which Of the following IEEE 802.11 standards is also known as Wi-Fi 6?
- A. 802.11ac
- B. 802.11ax
- C. 802.11b
- D. 802.11n
Answer: A
NEW QUESTION 50
See the following figure. RTA, RTB, RTC, and RTD are in the same AS and establish IBGP peer relationships through direct links. RTB an RTC are route reflectors (RRs), RTA and RTC are the RR clients of RTB, and RTB and RTD are the RR clients of RTC. If RTA advertises the route 10.1.1.0/24 to the BGP process, the Originator ID of the BGP route received by RTD is------------------.
Answer:
Explanation:
IN ORDER
NEW QUESTION 51
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