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NEW QUESTION # 395
OSPFV2 supports IPv6 by adding a new type of LSA.
- A. False
- B. True
Answer: A
NEW QUESTION # 396
In the network shown in the figure below, from the perspective of security, router A refuses to receive OSPF packets and ICMP packets received from the G0/0/1 interface. Which of the following commands can achieve this requirement? (Multiple choice)
- A. acl number 2000
rule 5 deny 89
rule 10 deny 1
#
interface GigabitEthernet0/0/1
traffic-filtet inbound acl 2000
# - B. acl number 3000
rule 5 deny 89
rule 10 deny icmp
#
interface GigabitEthernet0/0/1
traffic-filter inbound acl 3000
# - C. acl number 3000
rule 5 deny ospf
rule 10 deny icmp
#
interface GigabitEthernet0/0/1
traffic-filtet inbound acl 3000
# - D. acl number 3000
rule 5 deny 89
rule 10 deny 1
#
interface GigabitEthernet0/0/1
traffic-filter inbound acl 3000
#
Answer: B,C,D
NEW QUESTION # 397
Routers in the backbone area have complete link state information for all other areas.
- A. False
- B. True
Answer: A
NEW QUESTION # 398
Which kind of NAT can convert multiple private network addresses into one public network address to access the public network at the same time? (Multiple choice)
- A. Easy IP
- B. Static NAT
- C. NAPT
- D. Dynamic NAT
Answer: A,C
NEW QUESTION # 399
Which traffic can be mirrored by port mirroring? (Multiple choice)
- A. Message sent by the port
- B. Packets discarded by ports
- C. Packets received by the port
- D. Messages sent and received by the port
Answer: A,C,D
NEW QUESTION # 400
In the RSTP protocol, when the root port fails, () will quickly switch to a new root port and immediately enter the forwarding state?
- A. Alternate port
- B. Forwarding port
- C. Edge port
- D. Backup port
Answer: A
NEW QUESTION # 401
VRRP packets do not support authentication.
- A. False
- B. True
Answer: A
NEW QUESTION # 402
CSS refers to the combination of two switch devices that support the cluster feature, logically combining into one switch device.
- A. True
- B. False
Answer: A
NEW QUESTION # 403
How to deal with when the Trunk port sends data frames?
- A. When the VLAN ID is the same as the PVID of the port and is the VLAN ID allowed by the port, remove the Tag and send the message
- B. When the VLAN ID is different from the PVID of the port, discard the data frame
- C. When the VLAN ID is different from the PVID of the port, replace it with PVID forwarding
- D. When the VLAN ID is different from the PVID of the port, strip the TAG forwarding
Answer: A
NEW QUESTION # 404
How many bits is the total length of the IPV6 address?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION # 405
What is the function of the hello message of ospf? (Multiple choice)
- A. Synchronize router's LSDB
- B. Neighbor Discovery
- C. Maintain Neighborhood Relationships
- D. Update LSA information
Answer: B,C
NEW QUESTION # 406
In which working state of the port in the STP protocol can it be transferred to the Forwarding state without going through other states?
- A. Listening
- B. Learning
- C. Disabled
- D. Blocking
Answer: B
NEW QUESTION # 407
In PPP, when the two ends of the communication detect the activation of the physical link, they will transition from the link unavailable stage to the link establishment stage. In this stage, the link parameters are mainly negotiated through the () protocol
- A. DHCP
- B. LCP
- C. IP
- D. NCP
Answer: B
NEW QUESTION # 408
If the Length/Type of an Ethernet data frame = 0x8100, then the payload of this data frame may be? (Multiple choice)
- A. ICMP message
- B. TCP data segment
- C. ARP packets
- D. UDP data
Answer: A,B,C,D
NEW QUESTION # 409
The output information of a router's routing table is shown in the figure, which of the following statements is correct? (Multiple choice)
- A. The router's NextHop reaching 10.0.0.1 is 10.0.12.2
- B. The router's NextHop reaching 10.0.0.1 is 10.0.21.2
- C. The router's NextHop reaching 10.0.2.2 is 10.0.21.2
- D. The router's NextHop reaching 10.0.2.2 is 10.0.12.2
Answer: A,C
NEW QUESTION # 410
The ports of Trunk type and Hybrid type are processed in the same way when receiving data frames.
- A. True
- B. False
Answer: A
NEW QUESTION # 411
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