Cisco 210-250 Online Practice Questions and Exam Preparation

Cisco 210-250 Online Questions & Answers

• Question 341:

  Which three are valid SQL commands? (Choose three.)

  A. SELECT
  B. UPDATE
  C. DESTROY
  D. ALTER
  E. MODIFY
  A. SELECT
  B. UPDATE
  D. ALTER

• Question 342:

  In Linux, what is the relationship between a fork system call and an exec system call?

  A. A fork system call specifies an executable file and an exec system call executes the file.
  B. A child process uses the fork system call to request its parent PID, and an exec system call to request its own PID.
  C. A parent process duplicates itself with a fork system call, and the child process replaces itself with an exec system call.
  D. A fork system call creates a new kernel instance, and an exec system call executes a command within the current kernel instance.
  C. A parent process duplicates itself with a fork system call, and the child process replaces itself with an exec system call.

• Question 343:

  What type of spoofing attack uses fake source IP addresses that are different than their real IP addresses?

  A. MAC spoofing
  B. IP spoofing
  C. application spoofing
  D. name spoofing
  B. IP spoofing

• Question 344:

  What are decompilers?

  A. Programs that take an executable binary file and attempt to produce readable high-level language code from it
  B. Programs that take a non-executable binary file and attempt to produce compiled code from it
  C. Programs that take a non-executable binary file and attempt to produce encrypted code from it
  D. Programs that execute a binary file and attempt to crack the encryption of it
  A. Programs that take an executable binary file and attempt to produce readable high-level language code from it

• Question 345:

  Which variable stores a list of the directories that the system searches for commands when you execute them from the command line?

  A. dir /
  B. */dir-list
  C. $PATH
  D. $searchdir
  C. $PATH

• Question 346:

  Which form of cryptography is used to protect passwords?

  A. asymmetric cryptography
  B. two factor cryptography
  C. hash cryptography
  D. elliptical curve Diffie-Hellman cryptography
  C. hash cryptography

• Question 347:

  Which one of the following types of malware masquerades as a legitimate software, but is actually malicious when launched?

  A. brute-force
  B. DoS
  C. Trojan
  D. smurf
  C. Trojan

• Question 348:

  Which purpose of the certificate revocation list is true?

  A. Provide a list of certificates that are untrusted regardless of other validity markers.
  B. Provide a list of certificates that are trusted regardless of other validity markers.
  C. Provide a list of certificates used in the chain of trust.
  D. Provide a list of alternate device identifiers.
  A. Provide a list of certificates that are untrusted regardless of other validity markers.

• Question 349:

  What is an advantage to using HTTPS?

  A. Performance and data retrieval is faster.
  B. Traffic is encrypted between the client and the server.
  C. HTTPS works with multiple websites.
  D. Traffic cannot be inspected by firewall and IPS.
  B. Traffic is encrypted between the client and the server.

• Question 350:

  Which layer of the TCP/IP model is concerned with end-to-end communication and offers multiplexing service?

  A. Transport
  B. Internet
  C. Link layer
  D. Application
  A. Transport