200-901 Free Practice Test

- (Exam Topic 1)
In DNS, which record specifies an alias that refers to another name that ultimately resolves to an IP address?

1. A. AAA
2. B. SOA
3. C. NS
4. D. CNAME

Correct Answer: D
Reference: https://ns1.com/resources/dns-types-records-servers-and-queries

- (Exam Topic 3)
Which network constraint causes the performance of the application to decrease as the number of users accessing the application increases?

1. A. latency
2. B. loss
3. C. bandwidth
4. D. jitter

Correct Answer: C

- (Exam Topic 2)
Which tool is used to block all traffic to the domain by using a single API call?

1. A. Cisco ISE
2. B. Cisco Firepower
3. C. Cisco AMP
4. D. Cisco Umbrella

Correct Answer: B

- (Exam Topic 2)
What is a functionality of the Waterfall method as compared to the Agile method for software development?

1. A. Waterfall increases agility to implement faster while Agile promotes reliability.
2. B. A phase begins after the previous phase has ended in Waterfall while Agile phases run in parallel.
3. C. Customers get feedback during the process in Waterfall while they can see the result at the end in Agile.
4. D. Requirements can be updated in Waterfall while in Agile it should be gathered in the beginning.

Correct Answer: B

- (Exam Topic 2)
Into which type of Python data structure should common data formats be parsed?

1. A. sequence
2. B. set
3. C. dictionary
4. D. list

Correct Answer: C