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Which two steps does a receiver perform to validate a messag

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Which two steps does a receiver perform to validate a message using HMAC？ （）
A

decrypts the received MAC using a secret key

B

compares the computed MAC vs. the MAC received

C

authenticate the receivedmessage using the sender’s public key

D

look up the sender’s public key

E

extracts the MAC from the receivedmessage thenencrypts the received message with a secret keyto producethe MAC

F

Computes the MAC using the receivedmessage and a secret key as inputs to the hash function

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相似问题和答案

第1题：

Which two statements are true about TCP communication?()

A. The receiver acknowledges the final packet in each communications stream.

B. The receiver adds sequencing numbers to the packets received.

C. The sender adds sequencing numbers to the packets it sends.

D. The receiver acknowledges each packet it receives from the sending device.


参考答案：A, C

第2题：

What protection method is used in 4F BLSR networks?（）

  • A、Each fiber has half of its SONET capacity reserved for protection.
  • B、Two fibers in the span carry working traffic, while the other two fibers in the span are reserved for protection.
  • C、The signal is sent simultaneously in both directions around the ring. The receiver determines which fiber to listen to based on signal quality.
  • D、The signal is sent simultaneously in both directions around the ring. The transmitter determines which fiber has the working bit set for the receiver to acknowledge.

正确答案:B

第3题：

Which two metrics does the Executive report summarize? ()(Choose two.)

A. QoS statistics

B. WAN performance

C. acceleration statistics

D. compression statistics


参考答案：B, D

第4题：

Which two tasks does the Dynamic Host Configuration Protocol perform?（）

  • A、Set the IP gateway to be used by the network.
  • B、Perform host discovery used DHCPDISCOVER message.
  • C、Configure IP address parameters from DHCP server to a host.
  • D、Provide an easy management of layer 3 devices.
  • E、Monitor IP performance using the DHCP server.
  • F、Assign and renew IP address from the default pool.

正确答案:C,F

第5题：

Which two statements are true about TCP communication?（）

  • A、The receiver acknowledges the final packet in each communications stream.
  • B、The receiver adds sequencing numbers to the packets received.
  • C、The sender adds sequencing numbers to the packets it sends.
  • D、The receiver acknowledges each packet it receives from the sending device.

正确答案:A,C

第6题：

Which two steps does a receiver perform to validate a message using HMAC？ （）  

  • A、 decrypts the received MAC using a secret key
  • B、 compares the computed MAC vs. the MAC received
  • C、 authenticate the receivedmessage using the sender’s public key
  • D、 look up the sender’s public key
  • E、 extracts the MAC from the receivedmessage thenencrypts the received message with a secret keyto producethe MAC
  • F、 Computes the MAC using the receivedmessage and a secret key as inputs to the hash function

正确答案:B,F

第7题：

Which two features must be configured to perform AToM NSF？（）

  • A、FRR
  • B、SSO
  • C、distribute CEF
  • D、switch virtual path
  • E、graceful restart

正确答案:B,E

第8题：

With which two does a scheduler map associate? ()

A.Scheduler

B.BA Classifier

C.Queues

D.Interface


参考答案：C, D

第9题：

Which two steps check out a database connection from the connection pool?（）

  • A、DB Get  
  • B、DB Read  
  • C、DB Write  
  • D、DB Release

正确答案:B,C

第10题：

Which statement is true about the digital to analog conversion process？（）

  • A、the two steps of digital to analog conversion are decompression and reconstruction of the analog signal
  • B、the two steps of digital to analog conversion are decoding and filtering
  • C、the two steps of digital to analog conversion are decompression and filtering of the analog signal
  • D、the two steps of digital to analog conversion are quantization and decoding

正确答案:B

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