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NEW QUESTION # 42
Which of the following statements is true about root bridge election in STP?
- A. If the bridge priorities of devices are the same, the device with the largest MAC address becomes the root bridge.
- B. If the bridge priorities are the same, the device with the largest number of ports becomes the root bridge.
- C. The device with the largest bridge priority becomes the root bridge.
- D. The device with the smallest bridge priority becomes the root bridge.
Answer: D
Explanation:
Detailed Explanation: In STP, the root bridge is elected based on the lowest bridge priority. If there is a tie in bridge priority, the device with the lowest MAC address is selected as the root bridge. This process ensures a stable, predictable root bridge selection in the network.
NEW QUESTION # 43
When using the SNMPv1 protocol to manage network devices, which of the following commands is used by the network management system to complete the configuration of the network devices?
- A. Response
- B. Get- Next Request
- C. Get- Request
- D. Set Request
Answer: D
NEW QUESTION # 44
Refer to the graphic, after the ping 10.1.1.2 command is executed on R1, LSW1 receives a tagged data frame from VLAN 10 on LSW2.
- A. TRUE
- B. FALSE
Answer: A
Explanation:
Comprehensive Explanation: In this configuration, LSW1 and LSW2 have trunk links that allow VLAN 10 to pass between them. When a ping is sent from R1, the frame is tagged with VLAN 10 on LSW2, and this tagged frame is forwarded to LSW1. Since the trunk allows VLAN 10, the tagged data frame is successfully received and processed by LSW1.
NEW QUESTION # 45
As shown in the figure, the network administrator creates VLAN2 on SWA and SWB. The ports connecting the hosts on the two switches are configured as Access ports. They are assigned to VLAN2. G0/0/1 of SWA and G0/0/2 of SWB are configured as Trunki ports. All VLANs are allowed to pass. What is needed to achieve normal communication between two hosts? () (Single-choice question)
- A. Configure G0/0/1 on SWC as a teunk port and allow VLAN2 to pass through
- B. C. Just create BLAN2 on SWC
- C. Create VLAN2 on SWC, configure G0/0/1 and G0/0/2 as trunk ports, and allow VLAN2 to pass
- D. Configure G0/0/1 on SWC as a trunk port and allow VLAN2 to pass. Set G0/0/2 as an access port.
PVID is 2.
Answer: C
NEW QUESTION # 46
Which of the following statements about single-arm routing are correct? ()
- A. One physical connection per VLAN
- B. Only one physical link is used between the switch and the router to connect
- C. On the switch, configure the port connected to the router as a Trunk port, and allow the relevant AN frame to pass
- D. Need to create a subinterface on the router
Answer: C
NEW QUESTION # 47
Refer to the following configuration of an interface on a switch. What is the PVID of the interface?
interface GigabitEthernet0/0/1
port hybrid tagged vlan 2 to 3 100
port hybrid untagged vlan 4 6
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
Explanation:
Comprehensive Explanation: The PVID (Port VLAN ID) is the VLAN to which untagged data frames are assigned on a hybrid port. In this configuration, the port hybrid untagged vlan 4 6 command indicates that VLANs 4 and 6 are untagged, and the PVID will be the lowest untagged VLAN, which is VLAN 4. Tagged frames for VLANs 2, 3, and 100 will be forwarded as tagged, but untagged traffic will belong to VLAN 4 by default.
NEW QUESTION # 48
In the network shown in the figure below, there are the following configurations in Router A. Which of the following statements is correct?
ip route-statiC.10.0.2.2255.255.255.25510.0.12.2iP
Route-statiC.10.0.2.2255.255.255.25510.0.21.2pre ference 70
- A. If the G0/0/2 port is Down, then Router A reaches 10.0.2.2. The route NextHop. is changed to 10.012.2
- B. The Next in the routing table of Router A reaches 10.0.2.2. Hop is 10.0.21.2
- C. The Next in the routing table of Router A reaches 10.0.2.2. Hop is 10.0.12.2
- D. If the G0/0/1 port is Down, the route NextHap from Router A to 10.0.2.2 is changed to 10.0.21.2
Answer: C,D
NEW QUESTION # 49
By default, network devices running the SNMPv2C. protocol use which of the following port numbers to send trap messages to the network management system? ()
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION # 50
According to the following configuration, which statement is correct? () (Multiple Choice Questions)
Int g0/0/1
Int g0/0/2
Port hybrid pvid vlan 20
Port hybrid pvid vlan 10
Port hybrid untagged vlan 10 20
Port hybrid untagged vlan 10 20
- A. Host A (PC3) can ping through host B (PC4) more
- B. The pvid of switch G0/0/1 port is 20
- C. Host A (PC3) cannot ping host B (PC4)
- D. The two link data frames do not contain vlan tag
Answer: A,B,D
NEW QUESTION # 51
By default, what is the RouterDeadInterval of the OSPF protocol on the broadcast network?
- A. 20s
- B. 10s
- C. 40s
- D. 30s
Answer: C
NEW QUESTION # 52
As shown in the figure. When the router uses the 0＄PF protocol at the same time. Which BDR is in this network? () (Single-choice question)
- A. Router A
- B. Router B
- C. Router D
- D. Router C
Answer: A
NEW QUESTION # 53
Which of the following features does the OSPF protocol have? ()*
- A. Trigger update
- B. Support area division
- C. Easy to produce routing loops
- D. Calculate the shortest path by number
Answer: A,B
NEW QUESTION # 54
When using FTP for file transfer, how many TCP connections will be established? ()
- A. B. 1
- B. C. 3
- C. 0
- D. D. 4
Answer: C
NEW QUESTION # 55
Which of the following commands is used to configure the country code on an AC?
- A. country-code
- B. province-code
- C. nation-code
- D. state-code
Answer: A
Explanation:
Detailed Explanation: The country-code command is used on an AC (Access Controller) to specify the country code, which aligns the wireless settings with local regulatory standards. Setting the correct country code ensures compliance with regional RF (Radio Frequency) regulations, such as frequency bands and transmission power limits.
NEW QUESTION # 56
Which of the following network types are supported by OSPF?
- A. Point-to-point (P2P)
- B. NBMA
- C. Point-to-multipoint (P2MP)
- D. Broadcast
Answer: A,B,C,D
Explanation:
Explanation:
NEW QUESTION # 57
In the following figure, after the OSPF routers converge, in which state is the OSPF neighbor relationship between Router B and Router C?
- A. 2-way
- B. Full
- C. Down
- D. Attempt
Answer: A
Explanation:
Explanation:
NEW QUESTION # 58
Which of the following networks belong to a local area network? ()
- A. Broadband Metropolitan Area Network
- B. Internet
- C. A home network
- D. A company office network
Answer: C,D
NEW QUESTION # 59
In the broadcast network as shown in the figure, 0SPF runs on four routers. And in the same area. The same network segment. SPF will automatically elect one DR and multiple BDRs to achieve a better backup effect. () (True or False)
- A. True
- B. False
Answer: B
NEW QUESTION # 60
If the packet matches the deny rule in an ACL, the packet is discarded.
- A. TRUE
- B. FALSE
Answer: A
Explanation:
Explanation:
NEW QUESTION # 61
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