Cisco 210-250 Online Practice Questions and Exam Preparation

Cisco 210-250 Online Questions & Answers

• Question 981:

  Which field in the IP header is decremented by every router it passes through?

  A. the TOS field
  B. the TTL field
  C. the Options field
  D. the Control bits field
  B. the TTL field

• Question 982:

  Which two activities are examples of social engineering? (Choose two.)

  A. receiving call from the IT department asking you to verify your username/password to maintain the account
  B. receiving an invite to your department's weekly WebEx meeting
  C. sending a verbal request to an administrator to change the password to the account of a user the administrator does know
  D. receiving an email from HR requesting that you visit the secure HR website and update your contract information
  E. receiving an unexpected email from an unknown person with an uncharacteristic attachment from someone in the same company
  A. receiving call from the IT department asking you to verify your username/password to maintain the account
  E. receiving an unexpected email from an unknown person with an uncharacteristic attachment from someone in the same company

• Question 983:

  Which three are true about the Cisco FirePower NGFW logging? (Choose three.)

  A. can log packet-level information about IPS events
  B. can identify indications of compromise
  C. can identify traffic anomalies by examining NetFlow records
  D. can collect and correlate logs from other network security devices
  E. can log the NGFW connections events
  A. can log packet-level information about IPS events
  B. can identify indications of compromise
  E. can log the NGFW connections events

• Question 984:

  Which of the following are examples of asymmetric encryption algorithms?

  A. AES
  B. SHA
  C. Diffie-Hellman
  D. RSA
  C. Diffie-Hellman
  D. RSA

• Question 985:

  Which two statements are true about application logs? (Choose two.)

  A. The application log file contains events that are logged by the network applications.
  B. Events that are written to the application log are determined by the operating system.
  C. Application logs can be used along with the network usage logs to verify that network resources are being used appropriately.
  D. An application uses the same location for storing log messages regardless of the operating system on which it is running.
  A. The application log file contains events that are logged by the network applications.
  C. Application logs can be used along with the network usage logs to verify that network resources are being used appropriately.

• Question 986:

  How do UDP scans work?

  A. By establishing a three-way handshake.
  B. By sending SYN packets to see what ports are open.
  C. UDP scans have to rely on ICMP "port unreachable" messages to determine whether a port is open. When the scanner sends a UDP packet and the port is not open on the victim's system, that system will respond with an ICMP "port unreachable" message.
  D. By sending ICMP "port unreachable" messages to the victim.
  C. UDP scans have to rely on ICMP "port unreachable" messages to determine whether a port is open. When the scanner sends a UDP packet and the port is not open on the victim's system, that system will respond with an ICMP "port unreachable" message.

• Question 987:

  How does a network tap alter the data flow?

  A. A network tap installs a new header field into the Ethernet frame.
  B. A network tap alters the Layer 3 TCP/IP headers and recalculates the CRC field.
  C. A network tap does not alter the data flow.
  D. Using a data-mixing feature, the network tap combines two or more data flows for efficiency.
  E. A network tap regenerates the captured packet, thus changing its digital signature.
  C. A network tap does not alter the data flow.

• Question 988:

  Which two of the following might be considered attack surfaces in the network environment? (Choose two.)

  A. open ports
  B. privacy settings
  C. use of SSH
  D. use of Telnet
  A. open ports
  D. use of Telnet

• Question 989:

  What is the primary purpose for using a hash algorithm for a message?

  A. authentication
  B. confidentiality
  C. availability
  D. integrity
  D. integrity

• Question 990:

  DRAG DROP

  Match the access control type to its destination.

  Select and Place: