Which types of messages are supported by the BGP protocol? (Multiple Choice)

• A.Update
• B.Hello
• C.Keepalive
• D.Open

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Which of the following descriptions of the OSPF protocol are correct? (Multiple choice)

• A.AS-External-LSA describes the route to the external route of the AS, and the flooding scope is outside the AS
• B.AS-External-LSA does not belong to any area
• C.AS-External-LSA describes the path from the router to the ASBR
• D.The cost value of the second type of external route is only the AS external cost value, and the AS internal cost value is ignored

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The network administrator is going to use the 6to4 automatic tunnel to carry IPv6 data on the IPv4 network. The IPv4 address of the router interface is 138.14.85.210. So the corresponding tunnel address is 2001:8a0e:55d2:1:230:65ff:fe2:9a6

• A.True
• B.False

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The HTTP protocol is based on TCP. Therefore, you can use the TCP Flood attack defense method to defend against HTTP flood attacks.

• A.False
• B.True

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The SWA and SWB are connected by two physical Ethernet links.
The SWA has the following interface configurations:
[SWA]interface GigabitEthernet 1/0/1
[SWA-GigabitEthernet 1/0/1] port link-type trunk
[SWA-GigabitEthernet 1/0/1] port trunk allow-pass vlan 1 0 100
[SWA]interface GigabitEthernet 1/0/2
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[SWA-GigabitEthernet 1/0/2] port link-type trunk
[SWA-GigabitEthernet 1/0/2] port trunk allow-pass vlan 1 10
These two links are aggregated
Assume that the configuration on the SMB is correct.
Which of the following statements are correct in view of this information? (Multiple Choice)

• A.GigabitEthernet 1/0/1 and Gigabitethernet 1/0/2 can be added to the same LAG without changing the current configuration.
• B.After the link aggregation is configured on the SWA and the SWB, if enabled MSTP, GigabitEthernet 1/0/1 and GigabitEthernet 1/0/2 will enter the Forwarding state in MSTP
• C.GigabitEthernet 1/0/1 and GigabitEthernet 1/0/2 cannot be added to the same LAG because the allowed VLANs are different.
• D.GigabitEthernet 1/0/1 and GigabitEthernet 1/0/2 can be added to the same LAG only after GigabitEthernet 1/0/2 is configured. Change to the same as GigabitEthernet1/0/1

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