The HTTP protocol is based on TCP, so http Flood attacks can be defended against HTTP Flood attacks using the TCP Flood attack prevention method.

• A.True
• B.False

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What is the following description of MPLS BGPVPN incorrect?

• A.The TTL field in the label has the effect of preventing loops.
• B.The routing exchange between PE-CE can be static routing, OSPF multi-instance, IS-IS multi-instance, EBGP
• C.BGP So0, which is used to prevent routes issued from a VPN site from passing through the MPLS backbone and back to that site. So0 is an extended group attribute that MP-BGP automatically generates.
• D.IBGP PEes generally use the Loopback interface address to establish a stable BGP neighbor relationship

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What is wrong with the following statement about digital certificates?

• A.Even if two PRI entities are not in the same CA system, authentication can be completed as long as both parties can recognize each other's CA.
• B.Digital signatures guarantee the integrity of digital certificates.
• C.Authentication fails when the peer certificate is received within the validity period, but the device itself is in the wrong time if it is not within the validity period of the certificate.
• D.Digital certificates contain public key information.

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What are the problems with manually creating static VXLAN tunnels in campus networks? Multi-select

• A.Although the static VXLAN tunnel mode can support distributed gateway application scenarios, the configuration workload is large and the configuration adjustment is complex
• B.Static VLAN tunnel also uses related protocols on the control plane, which will cause equipment resource loss
• C.N devices to establish static VXLAN tunnels, you need to manually configure up to N(N-1)/2 tunnels, the amount of configuration is large
• D.VTEP can only learn remote MAC addresses in a way that relies on data flooding

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Which address prefix in the following options indicates that the address is globally unique and globally routable among unicast addresses in IPv6, similar to a public address in IPv4?(). Single choice questions).

• A.2000:;/3
• B.FE80::/10
• C.::1/128
• D.FE80:/10

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