Cisco CCNA 200-301 Questions & Answers

• Question 21:

  What will happen if you configure the logging trap debug command on a router?

  A. It causes the router to send messages with lower severity levels to the syslog server.

  B. It causes the router to send all messages with the severity levels Warning, Error, Critical, and Emergency to the syslog server.

  C. It causes the router to send all messages to the syslog server.

  D. It causes the router to stop sending all messages to the syslog server.

  Correct Answer: C

• Question 22:

  Which type of address is the public IP address of a NAT device?

  A. outside global

  B. outsdwde local

  C. inside global

  D. insride local

  E. outside public

  F. inside public

  Correct Answer: C

  NAT use four types of addresses:

  1.

  Inside local address - The IP address assigned to a host on the inside network. The address is usually not an IP address assigned by the Internet Network Information Center (InterNIC) or service provider. This address is likely to be an RFC 1918 private address.

  2.

  Inside global address - A legitimate IP address assigned by the InterNIC or service provider that represents one or more inside local IP addresses to the outside world.

  3.

  Outside local address - The IP address of an outside host as it is known to the hosts on the inside network.

  4.

  Outside global address - The IP address assigned to a host on the outside network. The owner of the host assigns this address.

• Question 23:

  Which of the following is the JSON encoding of a dictionary or hash?

  A. {“key”:“value”}

  B. [“key”,“value”]

  C. {“key”,“value”}

  D. (“key”:“value”)

  Correct Answer: A

• Question 24:

  Which option best describes an API?

  A. A contract that describes how various components communicate and exchange data with each other.

  B. an architectural style (versus a protocol) for designing applications;

  C. a stateless client-server model

  D. request a certain type of data by specifying the URL path that models the data

  Correct Answer: A

• Question 25:

  Which option about JSON is true?

  A. uses predefined tags or angle brackets (<>) to delimit markup text

  B. used to describe structured data that includes arrays

  C. used for storing information

  D. similar to HTML, it is more verbose than XML

  Correct Answer: B

• Question 26:

  Refer to the exhibit. When PC1 sends a packet to PC2, the packet has which source and destination IP address when it arrives at interface Gi0/0 on router R2?

  

  A. source 192.168.10.10 and destination 10.10.2.2

  B. source 192.168.20.10 and destination 192.168.20.1

  C. source 192.168.10.10 and destination 192.168.20.10

  D. source 10.10.1.1 and destination 10.10.2.2

  Correct Answer: C

  The source and destination IP addresses of the packets are unchanged on all the way. Only source and destination MAC addresses are changed.

• Question 27:

  Refer to the exhibit.

  

  Users in your office are complaining that they cannot connect to the severs at a remote site. When troubleshooting, you find that you can successfully reach the severs from router R2.

  What is the most likely reason that the other users are experiencing connection failure?

  A. interface ports are shut down on the remote servers

  B. The DHCP address pool has been exhausted

  C. The ip helper-address command is missing on the R2 interface that connects to the switch

  D. VLSM is misconfigured between the router interface and the DHCP pool.

  Correct Answer: D

• Question 28:

  Which option about JSON is true?

  A. uses predefined tags or angle brackets () to delimit markup text

  B. used to describe structured data that includes arrays

  C. used for storing information

  D. similar to HTML, it is more verbose than XML

  Correct Answer: B

  JSON data is written as name/value pairs.

  A name/value pair consists of a field name (in double quotes), followed by a colon, followed by a value:

  “name”:”Mark”

  JSON can use arrays. Array values must be of type string, number, object, array, boolean or null..

  For example:

  {

  “name”:”John”,

  “age”:30,

  “cars”:[ “Ford”, “BMW”, “Fiat” ]

  }

• Question 29:

  Refer to the exhibit. Which statement about the interface that generated the output is true?

  

  A. Five secure MAC addresses are dynamically learned on the interface.

  B. A syslog message is generated when a violation occurs.

  C. One secure MAC address is manually configured on the interface.

  D. One secure MAC address is dynamically configured on the interface.

  Correct Answer: C

• Question 30:

  Refer to the exhibit.

  

  Which two statements about the interface that generated the output are true? (Choose two.)

  A. Two secure MAC address are manually configured on the interface.

  B. A syslog message is generated when the maximum number of secure MAC addresses is on the interface.

  C. The interface is error -disabled.

  D. The interface dynamic ally learned two secure MAC addresses.

  E. An SNMP trap is generated when the maximum number of secure MAC addresses is reached on the interface.

  Correct Answer: CD