Questions

The following is a short list of review questions to help reinforce your learning and identify areas that require some improvement:

1. What is the default port for NTP?

   A. 143

   B. 110

   C. 123

   D. 1234

2. Which command allows you to configure the system clock on a device?

   A. ntp server

   B. ntp master 1

   C. ntp master

   D. clock set

3. Which Stratum level has the most accurate time on a network?

   A. 0

   B. 4

   C. 1

   D. All

4. DHCP has which of the following open ports?

   A. 68

   B. 67

   C. 69

   D. 53

5. After a DHCP server receives a DHCP request message, what message will the server send to the client?

   A. None

   B. Discover

   C. Acknowledgement

   D. Offer

6. Which DNS record is used to resolve an IP address to a hostname?

   A. SOA

   B. MX

   C. A

   D. PTR

7. Syslog uses which of the following ports?

   A. 123

   B. 161

   C. 512

   D. 514

8. Which port does SNMP use?

   A. TCP 123

   B. UDP 161

   C. TCP 161

   D. UDP 514

9. Which SNMP message is used to modify a device's configuration?

   A. Set

   B. Trap

   C. Get

   D. Create

10. Which of the following is the...