Cisco Cisco Certifications 210-250 Questions & Answers

• Question 231:

  What entity that issues and signs digital certificates is trusted by the browser?

  A. Certificate Authority

  B. Certificate Notary

  C. Certificate Controller

  D. Certificate Licensor

  Correct Answer: A

• Question 232:

  What is the default port for HTTPS?

  A. 443

  B. 8080

  C. 80

  D. 22

  Correct Answer: A

• Question 233:

  Which three are reasons for using HTTPS? (Choose three.)

  A. for the web server to authenticate the browser using an EAP method

  B. to encrypt the data that is sent between the browser and the web server

  C. to ensure the identity, trust, and validity of the web server

  D. to ensure that the data that is sent between the browser and the web server cannot be decrypted then re-encrypted by a man-in-the-middle

  E. to avoid detection when used to transport the attack CnC traffic

  Correct Answer: BCE

• Question 234:

  Which three are valid HTTP request methods? (Choose three.)

  A. GET

  B. QUIT

  C. PUT

  D. HEAD

  E. FETCH

  Correct Answer: ACD

• Question 235:

  Which three are valid fields in the Set-Cookie HTTP header? (Choose three.)

  A. Expires

  B. Domain

  C. Session

  D. Encrypted

  E. Path

  Correct Answer: ABE

• Question 236:

  Which three are important distinctions of HTTP? (Choose three.)

  A. Cookie information is sent in the URL.

  B. Cookie information is sent in the URI.

  C. Cookie information is sent in the response header.

  D. Cookie information is sent in the request header.

  E. Cookie information is sent in the request body.

  F. Cookie information is sent in the response body.

  G. Cookie information is sent via the response codes.

  H. Cookie information is always private and encrypted.

  I. Cookie information is stored on the client's browser.

  Correct Answer: CDI

• Question 237:

  Which of the following protocols is typically used as the communication channel between the client and the DDNS provider?

  A. HTTP/HTTPS

  B. DHCP

  C. ARP

  D. ICMP

  Correct Answer: A

• Question 238:

  Which two statements are true about DDNS? (Choose two.)

  A. Attackers dislike using DDNS due to its inflexibility.

  B. DDNS is a popular choice for home users who wish to host a website.

  C. Clients often use DHCP to communicate to the DDNS provider.

  D. DDNS is useful in residential networks because the IP subnets don't change.

  E. DDNS is often used by attackers for CnC servers.

  Correct Answer: BE

• Question 239:

  In dynamic DNS, the term "dynamic" refers to which two of the following characteristics? (Choose two.)

  A. The client's IP address changes frequently.

  B. The client has a dynamic IP address range.

  C. The hostname of the client's machine changes frequently.

  D. The client's IP address is not routable.

  Correct Answer: AB

• Question 240:

  What is a DNS server that is responsible for the RRs for its zones considered to be?

  A. canonical

  B. recursive

  C. distributed

  D. authoritative

  Correct Answer: D