Which of the following protocols were designed to avoid loops on a Layer 2 network? (Select TWO)

Which of the following protocols were designed to avoid loops on a Layer 2 network? (Select TWO)

Ann, a system administrator, is troubleshooting an issue with a DNS server. She notices that the security logs
have filled up and that they need to be cleared from the event viewer. She recalls this being a daily occurrence.
Which of the following solutions would BEST resolve this problem?

A client reports that half of the marketing department is unable to access network resources. The technician
determines that the switch has failed and needs to replace it. Which of the following would be the MOST helpful
in regaining connectivity?

QoS operates at which of the following OSI model layers? (Select TWO)

QoS operates at which of the following OSI model layers? (Select TWO)

Routing prefixes which are assigned in blocks by IANA and distributed by the Regional Internet Registry (RIR)
are known as which of the following?

A T1 line has lost connectivity to the ISP. The ISP has instructed the technician to place a loopback on a device
connecting the T1 line to their central office. On which of the following devices will the technician implement the
loopback?

Which of the following applies to data as it travels from Layer 1 to Layer 7 of the OSI model?

Which of the following applies to data as it travels from Layer 1 to Layer 7 of the OSI model?