gRPC (Google Remote Procedure Call)is a language-neutral, platform-neutral, and open-source remote RPC system that supportsunary RPCs and streaming RPCs.
Which of the following service methodsare NOT supportedby gRPC?

• A.rpc Subscribe(SubsArgs) stream returns(SubsReply) {};
• B.rpc dataPublish(stream serviceArgs) returns(stream serviceArgs) {};
• C.rpc stream LotsOfGreetings(HelloRequest) returns (HelloResponse) {};
• D.rpc Cancel(CancelArgs) returns(CancelReply) {};

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What is the field that the IPv6 header has similar to the IPv4 header "Type of Service" field?

• A.Version
• B.Next Header
• C.Traffic Class
• D.Flow Label

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What check frames can IPSG set?

• A.Out of the interface
• B.MAC address
• C.VLAN ID
• D.IP address

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The following statement about the OSPFv3 message format is correct?( Multiple select).

• A.Hello messages no longer contain address information, carrying Interface lD
• B.There is no change in the option field of the Hello message
• C.Remove the Authentication, Auth Type fields
• D.The OSPF version number changed from 2 to 3

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Which of the following descriptions of MPLS header TTL are correct?

• A.Copy IPTIL value is handled in such a way that the LSR of the MPLS domain is hidden, which plays a certain security role
• B.MPLS has two ways of handling TTL, one is that the IP packet copies the PTTL of the MPLS header hen it enters the MPLS network Value; Another is to set the TTL of the MPLS header to 255 at the entrance LER
• C.When copying TTL is disabled, tracert can see the LSR of the passing MPLS domain
• D.Can prevent wireless circular forwarding of messages

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